七年級上冊知識點總結

總結是指對某一階段的工作、學習或思想中的經驗或情況進行分析研究，做出帶有規律性結論的書面材料，它可以促使我們思考，讓我們一起認真地寫一份總結吧。總結你想好怎麼寫了嗎？以下是小編爲大家整理的七年級上冊知識點總結，希望對大家有所幫助。

第一章：豐富的圖形世界

1、幾何圖形

從實物中抽象出來的各種圖形，包括立體圖形和平面圖形。

2、點、線、面、體

①幾何圖形的組成

點：線和線相交的地方是點，它是幾何圖形中最基本的圖形。

線：面和麪相交的地方是線，分爲直線和曲線。

面：包圍着體的是面，分爲平面和曲面。

體：幾何體也簡稱體。

②點動成線，線動成面，面動成體。

3、生活中的立體圖形

生活中的立體圖形（按名稱分）

柱：

①圓柱

②棱柱：三棱柱、四棱柱（長方體、正方體）、五棱柱、……

錐：

①圓錐

②棱錐

球

4、棱柱及其有關概念：

棱：在棱柱中，任何相鄰兩個面的交線，都叫做棱。

側棱：相鄰兩個側面的交線叫做側棱。

n棱柱有兩個底面，n個側面，共（n+2）個面；3n條棱，n條側棱；2n個頂點。

5、正方體的平面展開圖：

11種（經常考：考試形式：展開的圖形能否圍成正方體；正方體對面圖案）

6、截一個正方體：

用一個平面去截一個正方體，截出的面可能是三角形，四邊形，五邊形，六邊形。

7、三視圖：

物體的三視圖指主視圖、俯視圖、左視圖。

主視圖：從正面看到的圖，叫做主視圖。

左視圖：從左面看到的圖，叫做左視圖。

俯視圖：從上面看到的圖，叫做俯視圖。

第二章：有理數及其運算

1、有理數的分類

①正有理數

有理數{ ②零

③負有理數

有理數{ ①整數

②分數

2、相反數：

只有符號不同的兩個數叫做互爲相反數，零的相反數是零

3、數軸：

規定了原點、正方向和單位長度的直線叫做數軸（畫數軸時，三要素缺一不可）。任何一個有理數都可以用數軸上的一個點來表示。

4、倒數：

如果a與b互爲倒數，則有ab=1，反之亦成立。倒數等於本身的數是1和—1。零沒有倒數。

5、絕對值：

在數軸上，一個數所對應的點與原點的距離，叫做該數的絕對值，（|a|≥0）。

若|a|=a，則a≥0；

若|a|=-a，則a≤0。

正數的絕對值是它本身；

負數的絕對值是它的相反數；

0的絕對值是0。

互爲相反數的兩個數的絕對值相等。

6、有理數比較大小：

正數大於0，負數小於0，正數大於負數；

數軸上的兩個點所表示的數，右邊的總比左邊的大；

兩個負數，絕對值大的反而小。

7、有理數的運算：

①五種運算：加、減、乘、除、乘方

多個數相乘，積的符號由負因數的個數決定，當負因數有奇數個時，積的符號爲負；當負因數有偶數個時，積的符號爲正。只要有一個數爲零，積就爲零。

有理數加法法則：

同號兩數相加，取相同的符號，並把絕對值相加。

異號兩數相加，絕對值值相等時和爲0；

絕對值不相等時，取絕對值較大的加數的符號，並用較大的絕對值減去較小的絕對值。

一個數同0相加，仍得這個數。

互爲相反數的兩個數相加和爲0。

有理數減法法則：

減去一個數，等於加上這個數的相反數！

有理數乘法法則：

兩數相乘，同號得正，異號得負，並把絕對值相乘。

任何數與0相乘，積仍爲0。

有理數除法法則：

兩個有理數相除，同號得正，異號得負，並把絕對值相除。

0除以任何非0的數都得0。

注意：0不能作除數。

有理數的乘方：求n個相同因數a的積的運算叫做乘方。

正數的任何次冪都是正數，負數的偶次冪是正數，負數的奇次冪是負數。

②有理數的運算順序

先算乘方，再算乘除，最後算加減，如果有括號，先算括號裏面的。

③運算律（5種）

加法交換律

加法結合律

乘法交換律

乘法結合律

乘法對加法的分配律

8、科學記數法

一般地，一個大於10的數可以表示成a×

10n的形式，其中1≦n<10，n是正整數，這種記數方法叫做科學記數法。（n=整數位數—1）

第三章：整式及其加減

1、代數式

用運算符號（加、減、乘、除、乘方、開方等）把數或表示數的字母連接而成的式子叫做代數式。單獨的一個數或一個字母也是代數式。

注意：

①代數式中除了含有數、字母和運算符號外，還可以有括號；

②代數式中不含有“=、>、<、≠”等符號。等式和不等式都不是代數式，但等號和不等號兩邊的式子一般都是代數式；

③代數式中的字母所表示的數必須要使這個代數式有意義，是實際問題的要符合實際問題的意義。

代數式的書寫格式：

①代數式中出現乘號，通常省略不寫，如vt；

②數字與字母相乘時，數字應寫在字母前面，如4a；

③帶分數與字母相乘時，應先把帶分數化成假分數。

④數字與數字相乘，一般仍用“×”號，即“×”號不省略；

⑤在代數式中出現除法運算時，一般寫成分數的形式；注意：分數線具有“÷”號和括號的雙重作用。

⑥在表示和（或）差的代數式後有單位名稱的，則必須把代數式括起來，再將單位名稱寫在式子的後面。

2、整式：單項式和多項式統稱爲整式。

①單項式：

都是數字和字母乘積的形式的代數式叫做單項式。單項式中，所有字母的指數之和叫做這個單項式的次數；數字因數叫做這個單項式的係數。

注意：

單獨的一個數或一個字母也是單項式；

單獨一個非零數的次數是0；

當單項式的係數爲1或—1時，這個“1”應省略不寫，如—ab的係數是—1，a3b的係數是1。

②多項式：

幾個單項式的和叫做多項式。多項式中，每個單項式叫做多項式的項；次數最高的項的次數叫做多項式的次數。

③同類項：

所含字母相同，並且相同字母的指數也相同的項叫做同類項。

注意：

①同類項有兩個條件：a。所含字母相同；b。相同字母的指數也相同。

②同類項與係數無關，與字母的排列順序無關；

③幾個常數項也是同類項。

4、合併同類項法則：

把同類項的係數相加，字母和字母的指數不變。

5、去括號法則

①根據去括號法則去括號：

括號前面是“+”號，把括號和它前面的“+”號去掉，括號裏各項都不改變符號；括號前面是“—”號，把括號和它前面的“—”號去掉，括號裏各項都改變符號。

②根據分配律去括號：

括號前面是“+”號看成+1，括號前面是“—”號看成—1，根據乘法的分配律用+1或—1去乘括號裏的每一項以達到去括號的目的。

6、添括號法則

添“+”號和括號，添到括號裏的各項符號都不改變；添“—”號和括號，添到括號裏的各項符號都要改變。

7、整式的運算：

整式的加減法：（1）去括號；（2）合併同類項。

第四章基本平面圖形

1、線段、射線、直線

名稱

表示方法

端點

長度

直線

直線AB（或BA）

直線l

無端點

無法度量

射線

射線OM

1個

無法度量

線段

線段AB（或BA）

線段l

2個

可度量長度

2、直線的性質

①直線公理：經過兩個點有且只有一條直線。（兩點確定一條直線。）

②過一點的直線有無數條。

③直線是是向兩方面無限延伸的，無端點，不可度量，不能比較大小。

3、線段的性質

①線段公理：兩點之間的所有連線中，線段最短。（兩點之間線段最短。）

②兩點之間的距離：兩點之間線段的長度，叫做這兩點之間的距離。

③線段的大小關係和它們的長度的大小關係是一致的。

4、線段的中點：

點M把線段AB分成相等的兩條相等的線段AM與BM，點M叫做線段AB的中點。AM = BM =1/2AB （或AB=2AM=2BM）。

5、角：

有公共端點的兩條射線組成的圖形叫做角，兩條射線的公共端點叫做這個角的頂點，這兩條射線叫做這個角的邊。或：角也可以看成是一條射線繞着它的端點旋轉而成的。

6、角的表示

角的表示方法有以下四種：

①用數字表示單獨的角，如∠1，∠2，∠3等。

②用小寫的希臘字母表示單獨的一個角，如∠α，∠β，∠γ，∠θ等。

③用一個大寫英文字母表示一個獨立（在一個頂點處只有一個角）的角，如∠B，∠C等。

④用三個大寫英文字母表示任一個角，如∠BAD，∠BAE，∠CAE等。

注意：用三個大寫字母表示角時，一定要把頂點字母寫在中間，邊上的字母寫在兩側。

7、角的度量

角的度量有如下規定：把一個平角180等分，每一份就是1度的角，單位是度，用“°”表示，1度記作“1°”，n度記作“n°”。

把1°的角60等分，每一份叫做1分的角，1分記作“1’”。

把1’的角60等分，每一份叫做1秒的角，1秒記作“1””。

1°=60’，1’=60”

8、角的平分線

從一個角的頂點引出的一條射線，把這個角分成兩個相等的角，這條射線叫做這個角的平分線。

9、角的性質

①角的大小與邊的長短無關，只與構成角的兩條射線的幅度大小有關。

②角的大小可以度量，可以比較，角可以參與運算。

10、平角和周角：

一條射線繞着它的端點旋轉，當終邊和始邊成一條直線時，所形成的角叫做平角。

終邊繼續旋轉，當它又和始邊重合時，所形成的角叫做周角。

11、多邊形：

由若干條不在同一條直線上的線段首尾順次相連組成的'封閉平面圖形叫做多邊形。

連接不相鄰兩個頂點的線段叫做多邊形的對角線。

從一個n邊形的同一個頂點出發，分別連接這個頂點與其餘各頂點，可以畫（n—3）條對角線，把這個n邊形分割成（n—2）個三角形。

12、圓：

平面上，一條線段繞着一個端點旋轉一週，另一個端點形成的圖形叫做圓。

固定的端點O稱爲圓心，線段OA的長稱爲半徑的長（通常簡稱爲半徑）。

圓上任意兩點A、B間的部分叫做圓弧，簡稱弧，讀作“圓弧AB”或“弧AB”；

由一條弧AB和經過這條弧的端點的兩條半徑OA、OB所組成的圖形叫做扇形。

頂點在圓心的角叫做圓心角。

第五章一元一次方程

1、方程

含有未知數的等式叫做方程。

2、方程的解

能使方程左右兩邊相等的未知數的值叫做方程的解。

3、等式的`性質

①等式的兩邊同時加上（或減去）同一個代數式，所得結果仍是等式。

②等式的兩邊同時乘以同一個數（（或除以同一個不爲0的數），所得結果仍是等式。

4、一元一次方程

只含有一個未知數，並且未知數的最高次數是1的整式方程叫做一元一次方程。

5、移項：

把方程中的某一項，改變符號後，從方程的一邊移到另一邊，這種變形叫做移項。

6、解一元一次方程的一般步驟：

①去分母

②去括號

③移項（把方程中的某一項改變符號後，從方程的一邊移到另一邊，這種變形叫移項。）

④合併同類項

⑤將未知數的係數化爲1

第六章數據的收集與整理

1、普查與抽樣調查

爲了特定目的對全部考察對象進行的全面調查，叫做普查。

其中被考察對象的全體叫做總體，組成總體的每一個被考察對象稱爲個體。

從總體中抽取部分個體進行調查，這種調查稱爲抽樣調查，其中從總體抽取的一部分個體叫做總體的一個樣本。

2、扇形統計圖

扇形統計圖：利用圓與扇形來表示總體與部分的關係，扇形的大小反映部分佔總體的百分比的大小，這樣的統計圖叫做扇形統計圖。（各個扇形所佔的百分比之和爲1）

圓心角度數=360°×該項所佔的百分比。（各個部分的圓心角度數之和爲360°）

3、頻數直方圖

頻數直方圖是一種特殊的條形統計圖，它將統計對象的數據進行了分組畫在橫軸上，縱軸表示各組數據的頻數。

4、各種統計圖的特點

條形統計圖：能清楚地表示出每個項目的具體數目。

折線統計圖：能清楚地反映事物的變化情況。

扇形統計圖：能清楚地表示出各部分在總體中所佔的百分比。

1、綠色開花植物是由根、莖、葉、花、種、果實六大器官組成的。其中，根莖葉屬於營養器官;花果實種子屬於生殖器官。

2、在成熟的植物體內，總保留着一部分不分化的細胞，它們終生保持分生能力，這樣的細胞羣構成的組織，叫做分生組織。分生組織的細胞小，細胞壁薄，細胞核大，細胞質濃，具有很強的分裂能力，能夠不斷產生新細胞，再由這些細胞分化形成其他組織，如保護組織（保護內部器官）、疏導組織（如莖、葉脈、根尖對成熟區等能運輸水和無機鹽）、營養組織（儲藏營養物質）等。

1、探究的一般過程是從發現問題、提出問題開始的。提出問題後，根據已有的知識和生活經驗，嘗試對這一問題的答案作出假設。然後設計探究的方案，包括選擇材料、設計方法步驟等。按照探究方案進行探究，得到結果，再分析所得結果與假設是否相符，從而得出結論。並不是所有的問題都能通過一次探究得到正確的結論。探究的一般步驟是：發現問題→提出問題→作出假設→制定計劃→實施計劃→得出結論

2、在《光對鼠婦生活的影響》的探究活動中，只有光照是不同的，所以它是這個實驗中的變量，而其他條件如溫度、土壤的潮溼程度等因素都是一樣的。像這樣，在研究一種條件對研究對象的影響時，所進行的除了這種條件不同以外，其他條件都相同的實驗，叫做對照實驗。

3、環境與生物的關係是環境對生物的影響生物對環境的適應和影響生物生活的因素有兩類，生物因素：如光、溫度、水、空氣等分別是非生物因素：指影響某種生物生活的其他生物。最常見的是捕食關係，還有競爭關係、合作關係等。4、所有生物的生活都會受到非生物因素和生物因素的影響。

(1)凡能寫成形式的數，都是有理數.正整數、0、負整數統稱整數;正分數、負分數統稱分數;整數和分數統稱有理數.注意：0即不是正數，也不是負數;-a不一定是負數，+a也不一定是正數;p不是有理數;

(2)有理數的分類:①整數②分數

(3)注意：有理數中，1、0、-1是三個特殊的數，它們有自己的特性;這三個數把數軸上的數分成四個區域，這四個區域的數也有自己的特性;

(4)自然數0和正整數;a>0a是正數;a<0a是負數;

a≥0a是正數或0a是非負數;a≤0?a是負數或0a是非正數.

有理數比大小：

(1)正數的絕對值越大，這個數越大;

(2)正數永遠比0大，負數永遠比0小;

(3)正數大於一切負數;

(4)兩個負數比大小，絕對值大的反而小;

(5)數軸上的兩個數，右邊的數總比左邊的數大;

(6)大數-小數>0，小數-大數<0.

本冊所學的形容詞不多，注意拼法和反義詞

big (small) long (short) sad (happy) boring (interestingfunny ) exciting difficult

relaxing great healthy old (new) successful white (black)

　　一、方程的有關概念

1.方程：含有未知數的等式就叫做方程.

2. 一元一次方程：只含有一個未知數(元)x，未知數x的指數都是1(次)，這樣的方程叫做一元一次方程.例如： 1700+50x=1800， 2(x+1.5x)=5等都是一元一次方程.

3.方程的解：使方程中等號左右兩邊相等的未知數的值，叫做方程的解.

注：⑴ 方程的解和解方程是不同的概念，方程的解實質上是求得的結果，它是一個數值(或幾個數值)，而解方程的含義是指求出方程的解或判斷方程無解的過程. ⑵ 方程的解的檢驗方法，首先把未知數的值分別代入方程的左、右兩邊計算它們的值，其次比較兩邊的值是否相等從而得出結論.

　　二、等式的性質

等式的性質(1)：等式兩邊都加上(或減去)同個數(或式子)，結果仍相等.

等式的性質(1)用式子形式表示爲：如果a=b，那麼a±c=b±c

等式的性質(2)：等式兩邊乘同一個數，或除以同一個不爲0的數，結果仍相等，等式的性質(2)用式子形式表示爲：如果a=b，那麼ac=bc;如果a=b(c≠0)，那麼ca=cb

三、移項法則：把等式一邊的某項變號後移到另一邊，叫做移項.

　四、去括號法則

1. 括號外的因數是正數，去括號後各項的符號與原括號內相應各項的符號相同.

2. 括號外的因數是負數，去括號後各項的符號與原括號內相應各項的符號改變.

五、解方程的一般步驟

1. 去分母(方程兩邊同乘各分母的最小公倍數)

2. 去括號(按去括號法則和分配律)

3. 移項(把含有未知數的項移到方程一邊，其他項都移到方程的另一邊，移項要變號)

4. 合併(把方程化成ax = b (a≠0)形式)

5. 係數化爲1(在方程兩邊都除以未知數的係數a，得到方程的解x=a(b).

　六、用方程思想解決實際問題的一般步驟

1. 審：審題，分析題中已知什麼，求什麼，明確各數量之間的關係.

2. 設：設未知數(可分直接設法，間接設法)

3. 列：根據題意列方程.

4. 解：解出所列方程.

5. 檢：檢驗所求的解是否符合題意.

6. 答：寫出答案(有單位要註明答案)

熔化

1.定義

是指對物質進行加熱，使物質從固態變成液態的過程。它是物態變化中比較常見的類型。熔化需要吸收熱量，是吸熱過程。

2.晶體

(1)定義：晶體是由大量微觀物質單位(原子、離子、分子等)按一定規則有序排列的結構，因此可以從結構單位的大小來研究判斷排列規則和晶體形態。

(2)特性：

晶體在熔化過程中溫度不變

晶體有一定的熔點，即熔化的溫度

不同晶體熔點不同

3.非晶體

(1)定義：非晶體是指結構無序或者近程有序而長程無序的物質，組成物質的分子(或原子、離子)不呈空間有規則週期性排列的固體，它沒有一定規則的外形。

(2)特性：非晶體沒有熔點

4.影響熔點的因素：(1)壓強(2)雜質。

聲現象

1.聲音的發生：由物體的振動而產生。振動停止，發聲也停止。

2.聲音的傳播：聲音靠介質傳播。真空不能傳聲。通常我們聽到的聲音是靠空氣傳來的。

3.聲速：在空氣中傳播速度是：340米/秒。聲音在固體傳播比液體快，而在液體傳播又比空氣體快。

4.利用回聲可測距離：S=1/2vt

5.樂音的三個特徵：音調、響度、音色。(1)音調:是指聲音的高低，它與發聲體的頻率有關係。(2)響度:是指聲音的大小，跟發聲體的振幅、聲源與聽者的距離有關係。

6.減弱噪聲的途徑：(1)在聲源處減弱;(2)在傳播過程中減弱;(3)在人耳處減弱。

7.可聽聲：頻率在20Hz～20000Hz之間的聲波：超聲波：頻率高於20000Hz的聲波;次聲波：頻率低於20Hz的聲波。

8.超聲波特點：方向性好、穿透能力強、聲能較集中。具體應用有：聲吶、B超、超聲波速度測定器、超聲波清洗器、超聲波焊接器等。

9.次聲波的特點：可以傳播很遠，很容易繞過障礙物，而且無孔不入。一定強度的次聲波對人體會造成危害，甚至毀壞機械建築等。它主要產生於自然界中的火山爆發、海嘯地震等，另外人類製造的火箭發射、飛機飛行、火車汽車的奔馳、核爆炸等也能產生次聲波。

光現象知識點

1.光源：自身能夠發光的物體叫光源。

2.光的直線傳播：光在均勻介質中是沿直線傳播。小孔成像條件：孔要足夠小特點：倒立、相似、與小孔形狀無關。

3.光在真空中傳播速度最大，是3×10米/秒，而在空氣中傳播速度也認爲是3×10米/秒。

4.我們能看到不發光的物體是因爲這些物體反射的光射入了我們的眼睛。

5.光的反射定律：反射光線與入射光線、法線在同一平面上，反射光線與入射光線分居法線兩側，反射角等於入射角。(注：光路是可逆的)

鏡面反射VS漫反射：鏡面反射：平行光照射到光滑界面時，反射光線依然平行。

漫反射：平行光照射到凹凸不平的界面時，反射光線向四面八方散開。

漫反射和鏡面反射一樣遵循光的反射定律。

6.平面鏡成像特點：

(1)平面鏡成的是虛像;

(2)像與物體大小相等;

(3)像與物體到鏡面的距離相等;

(4)像與物體的連線與鏡面垂直。另外，平面鏡裏成的像與物體左右倒置。

7.實像：由光線匯聚而成;虛像：一種視覺感覺，並不是由實際光線匯聚而成。

8.平面鏡應用：(1)成像;(2)改變光路;(3)增大視覺空間。

9.平面鏡在生活中使用不當會造成光污染。

10.球面鏡包括凸面鏡(凸鏡，發散光線)和凹面鏡(凹鏡，匯聚光線)，它們都能成像。具體應用有：車輛的後視鏡、商場中的反光鏡是凸面鏡;手電筒的反光罩、太陽竈、醫術戴在眼睛上的反光鏡是凹面鏡。

11.光的折射：光從一種介質斜射入另一種介質時，傳播方向一般發生變化的現象。

12.光的折射規律：光從空氣斜射入水或其他介質，折射光線與入射光線、法線在同一平面上;折射光線和入射光線分居法線兩側，折射角小於入射角;入射角增大時，折射角也隨着增大;當光線垂直射向介質表面時，傳播方向不改變。(折射光路也是可逆的)

13.太陽光是由紅、橙、黃、綠、藍、靛、紫組成的。

14.光的三原色是：紅、綠、藍;顏料的三原色是：紅、黃、藍。

物態變化

1.溫度：是指物體的冷熱程度。測量的工具是溫度計,溫度計是根據液體的熱脹冷縮的原理製成的。

2.攝氏溫度(℃):單位是攝氏度。1攝氏度的規定：把冰水混合物溫度規定爲0度，把一標準大氣壓下沸水的溫度規定爲100度，在0度和100度之間分成100等分，每一等分爲1℃。

3.常見的溫度計有(1)實驗室用溫度計;(2)體溫計;(3)寒暑表。

體溫計：測量範圍是35℃至42℃，每一小格是0.1℃。

4.溫度計使用：(1)使用前應觀察它的量程和最小刻度值;(2)使用時溫度計玻璃泡要全部浸入被測液體中，不要碰到容器底或容器壁;(3)待溫度計示數穩定後再讀數;(4)讀數時玻璃泡要繼續留在被測液體中，視線與溫度計中液柱的上表面相平。

5.固體、液體、氣體是物質存在的三種狀態。

6.熔化：物質從固態變成液態的過程叫熔化。要吸熱。

7.凝固：物質從液態變成固態的過程叫凝固。要放熱.

8.熔點和凝固點：晶體熔化時保持不變的溫度叫熔點;。晶體凝固時保持不變的溫度叫凝固點。晶體的熔點和凝固點相同。

9.晶體和非晶體的重要區別：晶體都有一定的熔化溫度(即熔點)，而非晶體沒有熔點。

壓強知識歸納

1.壓力:垂直作用在物體表面上的力叫壓力。

2.壓強:物體單位面積上受到的壓力叫壓強。

3.壓強公式:P=F/S，式中p單位是:帕斯卡，簡稱:帕，1帕=1牛/米2，壓力F單位是:牛;受力面積S單位是:米2

4.增大壓強方法:(1)S不變，F↑;(2)F不變，S↓

(3)同時把F↑，S↓，而減小壓強方法則相反。

液體壓強

1.液體壓強產生原因:是因液體受到重力。使用液體壓強計(U型管壓強計)測量液體內部壓強。

2.液體壓強特點:

(1)液體對容器底和壁都有壓強;

(2)液體內部向各個方向都有壓強;

(3)液體的壓強隨深度增加而增大，在同一深度，液體向各個方向的壓強相等;

(4)不同液體的壓強還跟密度有關係。

3.液體壓強計算公式:(ρ是液體密度，單位是千克/米3;g=9.8牛/千克;h是深度，指液體自由液麪到液體內部某點的豎直距離，單位是米)

4.根據液體壓強公式:可得，液體的壓強與液體的密度和深度有關，而與液體的體積和質量無關。

5.流體壓強大小與流速關係:在流體中流速越大地方，壓強越小;流速越小的地方，壓強越大。

6.流體壓強大小與流速關係:在流體中流速越大地方，壓強越小;流速越小的地方，壓強越大。

拓展閱讀：國中物理學學習技巧

物理概念和術語是學習物理學的基礎，只有熟練掌握才能抓住問題的實質和關鍵。學習物理概念的方法有五種：

(1)分類法。對所學概念進行分類，找出它們的相同點和不同點，國中物理學的概念可分爲四小類①概念的物理量是幾個物理量的積，例如：功、熱量;②概念是幾個物理量的比值，如：速度、密度、壓強、功率、效率;③概念反應物質的屬性，例如：密度、比熱、燃燒值、熔點、沸點、電阻率、摩擦係數等;④概念沒有定義式，只是描述性的，如力、沸點、溫度。

(2)對比法。對於反映兩個互爲可逆的物理量可用這種方法進行學習，例如：熔解與凝固、汽化與液化、昇華與凝華、有用功與額外功。

(3)比較法。對於概念中有相同字眼的相似相關概念利用相比較學習的方法可以找出相同點和不同點，建立內在聯繫。例如"重力"與"壓力"、"壓力與壓強"、"功與功率"、"功率與效率""虛像與實像"、"放大與變大"等。

(4)歸類法。把相關聯的概念進行分組比較便於形成知識系統。例如：①力、重力、壓力、浮力、平衡力、作用力與反作用力。②速度、效率、功率、壓強。③槓桿、支點、動力、阻力、動力臂、阻力臂、力的作用線。④熔解、液化、蒸發、沸騰、汽化、液化、昇華、凝華。⑤串聯、並聯、混聯。⑥通路、短路、斷路。⑦能、機械能、功能、勢能。

(5)要點法。抓住概念中關鍵字眼進行學習，例如"重力"由於地球的吸引而受到的豎直向上的力叫重力，這個概念中"地球的吸引""豎直向下"就是關鍵字眼，值得反覆回味和理解。

一、文學常識

史鐵生，1951年生於北京，著名小說家。16歲畢業於北京清華大學附屬中學。18歲去陝北延安插隊。21歲因病致癱，轉回北京。23歲起到北京某街道工廠做了7年的工人。後又患尿毒症，靠透析維持生命。28歲發表第一篇小說《法學教授及其夫人》，以後陸續發表中、短篇小說，散文多篇，其散文《我與地壇》被公認爲中國近50年來最優秀的散文之一。小說《老屋小記》獲首屆魯迅文學獎。

二、拼音

tān huàn shì xiǔ qiáo cuì

癱 瘓 侍弄 整宿 憔 悴

shàn wān jué màn

仿膳 豌豆 訣別 爛漫

fù xù dāo

翻來覆去 絮絮叨叨

三、詞語

侍弄：經營照管

憔悴：形容人瘦弱，面色不好看

訣別：多指不再相見的分別

絮絮叨叨：形容說話囉嗦，嘮叨。

喜出望外：遇到出乎意料的事情而特別高興。

四、段落劃分

第一部分（1）：母親忍受着病痛的折磨，對“我”百般撫慰。

第二部分（2—5）：母親準備帶“我”去看菊花時，因病去世了。

第三部分（6）：妹妹推“我”去北海賞菊，表達了對母親的懷念。

(1)凡能寫成 形式的數，都是有理數.正整數、0、負整數統稱整數;正分數、負分數統稱分數;整數和分數統稱有理數.注意：0即不是正數，也不是負數;-a不一定是負數，+a也不一定是正數;p不是有理數;

(2)有理數的分類: ① 整數 ②分數

(3)注意：有理數中，1、0、-1是三個特殊的數，它們有自己的特性;這三個數把數軸上的數分成四個區域，這四個區域的數也有自己的特性;

(4)自然數 0和正整數;a0 a是正數;a0 a是負數;

a≥0 a是正數或0 a是非負數;a≤ 0 ? a是負數或0 a是非正數.

有理數比大小：

(1)正數的絕對值越大，這個數越大;

(2)正數永遠比0大，負數永遠比0小;

(3)正數大於一切負數;

(4)兩個負數比大小，絕對值大的反而小;

(5)數軸上的兩個數，右邊的數總比左邊的數大;

(6)大數-小數 0，小數-大數 0.

細胞是構成生物體的結構和功能基本單位。

一、細胞中的物質

有機物(一般含碳，可燒)：糖類、脂類、蛋白質、核酸，這些都是大分子

無機物(一般不含碳)：水、無機物、氧等，這些都是小分子

二、細胞膜控制物質的進出，對物質有選擇性，有用物質進入，廢物排出。

三、細胞內的能量轉換器：

葉綠體：進行光合作用，是細胞內的把二氧化碳和水合成有機物，併產生氧。

線粒體：進行呼吸作用，是細胞內的“動力工廠”“發動機”。

二者聯繫：都是細胞中的能量轉換器

二者區別：葉綠體將光能轉變成化學能儲存在有機物中;線粒體分解有機物，將有機物中儲存的化學能釋放出來供細胞利用。

四、動植物細胞都有線粒體。

五、細胞核是遺傳信息庫，遺傳信息存在於細胞核中

1、多莉羊的例子p55，

2、細胞核中的遺傳信息的載體——DNA

3、DNA的結構像一個螺旋形的梯子

4、基因是DNA上的一個具有特定遺傳信息的片斷

5、DNA和蛋白質組成染色體

不同的生物個體，染色體的形態、數量完全不同;

同種生物個體，染色體在形態、數量保持一定;

染色體容易被鹼性染料染成深色;

染色體數量要保持恆定，否則會有嚴重的遺傳病。

6、細胞的控制中心是細胞核

1、公元前20xx年，禹建立夏朝，這是我國曆第一個奴隸制王朝。P15

2、湯滅夏，建立商朝，盤庚遷殷後，商朝統治穩定。P21

3、公元前1046年，周武王經牧野之戰滅商，建立周朝，定都鎬。P23

4、西周實行分封制，加強了對各地的統治。P23—24

5、公元前771年，西周滅亡。P24

6、商朝的司母戊鼎是世界上已發現的的青銅器，湖南寧鄉出土了造型奇特的四羊方尊P26

7、“三星堆”文化遺址出土的青銅面具、大型青銅立人像、青銅神樹等引起了中外人士的矚目。P27

8、農業、畜牧業、手工業和商業的繁榮，形成了我國夏、商西周燦爛的青銅文明。P27

9、公元前770年，周平王東遷洛，史稱“東周”。東周分爲春秋和戰國兩個時期。P30

10、春秋五霸：齊桓公、晉文公、楚莊王、吳王夫差、越王勾踐。P30—32

11、齊桓公提出“尊王攘夷”的口號。P31

定語從句：

（一）基礎：引導詞---who, which, that, whom,

練習1.I like cities___________are quiet and clean. 2.I prefer students _________are hard- working.

3.I hate TV shows _________ are noisy and music __________ is gentle and quiet attracts me a lot.

food __________tastes delicious is not always healthy.

e boys ___________ are playing basketballs over there are from Class Fifteen.

books ____________ are written by Lu Xun are worth reading.

town ___we visited last week is much larger than book ___ he bought is very interesting.

（二）特例：只用that的情況

1、先行詞被___________或___________所修飾，或本身是______________________時，只能用that，

2.被修飾的先行詞爲________________________________________________等不定代詞時,只能用that.

3.先行詞被_____________________________________________等詞修飾時，只能用that，而不用which。

4.先行詞裏同時含有______________________，如I can remember well the persons and some pictures that I saw in the room.

5.以______________________引導的特殊疑問句，只能用that.如：Who is the girl that is crying?

練習1. I am interested in everything___ is about the 20xx World Cup.

2. Is there anything___I can do for you? 3. This is the very bike ______I lost

my surprise, he gave me nothing __ I need. is the best dictionary __ I have ever used.

6. He was the first person _______passed the exam.

talked happily about the men and books________interested him greatly.

（三）whose 1. The student ______father works in the factory is sitting there.

2. I like the rooms ______windows face south.3. This is the desk ______legs were broken.

4The woman ___ umbrella you took is angry about comes a girl ___ handwriting is the best .

6The banana __skin is green can’t be eaten.7That tall tree _ leaves are yellow is very old.

（四）從句謂語單複數由先行詞確定，時態由從句時間狀語決定，不必跟主句保持一致。

1-He is one of the boys who ____ (doesn’t, don’t) finish doing homework.

2-I like films which ____(be) exciting and interesting.

3-Children who often ____(eat) junk food are easy to become fat and unhealthy.

4-That boy who _____(run) fastest is from our class.

5Those boys who ____ playing the guitar are from our school. (be)

6The trees which _____ (be) watered yesterday belong to them. 7The man who ____ over there is our teacher.(stand) 8Those boys who ____ playing the guitar are from our school. (be)

9Mr. Brown is one of the foreign experts _______ _________ (work) in China.

10I’m one of the boys ______ ________(like) English best.

(五)“介詞＋關係代詞”注意：介詞的選用要考慮：

A.與先行詞的搭配關係

1）I will never forget the day __________ I joined the army.

2) I will never forget the days ______ I worked here.

3) I will never forget the year ____________ my son went to college.

B.與謂語動詞的搭配習慣

1）Have you found the book ________I paid 29 dollars?

2）Have you found the book ________I spent 29 dollars?

3) Have you found the book _____________we learnt a lot?

4) Have you found the book _______she often talks?

關係副詞的用法

練習：1. It must be a good place ________________we can do a lot of exercise.

is the village _________________we visited last week.

house _______ we live in is very big./ The house _______ we live is very big

4. The woman ___________ talked to you just now is a doctor. The woman ______ you talked to is my sister.

The woman to ___________ you talked is my sister. 5. This is the hospital ____________ I was born in.

This is the hospital in _________I was born. This is the hospital____________ I was born.

綜合練習一.用適當的關係代詞或關係副詞填空

1. The boy ______ is wearing the black jacket is very clever.

2. This is the present ____he gave me for my man _______ talked to you just now is an engineer.

4. He talked about the teachers and schools _______ he had visited.

5. There is nothing in the world ______can frighten him.6. We visited a factory _______makes toys for children.

7. Is this the place _______ your father once lived 8. I’ll never forget the days _______ I joined the League.

9The car______my father bought last month is beautiful.10The man______hair is white is his grandfather.

二( ) likes music ___ is quiet and gentle. A. when B. that C. where D. who

( )2.--Is the girl _ is interviewing the manager of that company your friend--Yes, she is a journalist from CCTV.

A. whom B. which C. who D. whose

( )3 Yao Ming is a famous basketball star ___ is playing in the NBA. A. whose B. who C. what D. which

( )4. The doctor ___I am waiting for is Mr. Smith. A. which B. whom C. whose D. why

( )5. --- Do you know Hong Zhanhui? ---Yes. He’s the college student ____ has moved Chinese people a lot.

A. who B. which C. what D. whom

( )6. In my family, my sister is the only person __ loves chocolate. A. which B. who C. whom D. she

( )7. This is the place ____ the old man lived last year. A. when B. where C. that h

( ) 8. The song ___ Jay Zhou sings are popular with students. A. why B. whom C. what D. which

( )9. The farmer was very thankful to the doctor ___ treated his son. A. what B. which C. who D. whose

( )10.I like to live in a house__ is big and bright. A. that B. who C. how D. why

( )11. The young lady ___ we met yesterday is our new math teacher. A. what B. whose C. whom D. which

( )12. --Can you introduce the town to me? --OK. This is the town in __ I was born. A. that B. who C. which

( )13. Miss green is the only person __ can help you with your English. A. she B. whom C. which D. who

( )14. I like the second football match ___was held last week. A. which B. who C. that D. /

( )15. Is there anything ____ to you? A. that is belonged B. that belongs C. that belong D. which belongs

( )16. I hate people ___ don’t help others when they are in trouble. A. who B. which C. they

( )17. This is the only book ___I am looking for. A. that B. which C. who D. whom

( )18 Her sister__ you met at my home was a teacher of English. A. whom B. that is C. which D. who is

( )19 The book__is sold out at the moment. need Bwhat you need h you need it D that you need it

( )20 I'm one of the boys ______never late for school. A. that is B. who are C. who am D. who is

( )21.__cleans the classroom can go home first. A. Anyone B. Those who C. However D. The one who

( )22. The old man __yesterday is a scientist.A.I spoke B. I spoke to C. whom I spoke D. that I spoke to him

會考定語從句真題演練

1.--- Is the girl __ is interviewing the manager of that company your friend? --Yes, she is a journalist from CCTV. A. whom B. which C. who D. whose

2. Do you still remember the movie _____ we saw last weekend? A. who B. what C. that D. whom

3. ---Who is your new English teacher? ---Elena, the woman ____ is wearing a red T-shirt over there.

A.不填B. whom C. whose D. who

4. Is that the man _____ helped us a lot after the earthquake? A. whose B. which C. when D. who

5. ---What are you looking for? --- I’m looking for the pen ___ I bought yesterday. A. who B. which C. whose

6. This is the novel_____ written by Guo Jingming. A. who B. what C. that D. /

7. We should be ready to help the people ____ are in trouble. A. whose B. whom C. which D. who

8. Two years has passed, but Chinese people still remember those exciting days ____ they spent during the Beijing 20xx Olympic Games. A. that B. who C. when

9. The magician _____ played magic tricks in 20xx CCTV Spring Festival Gala is Liu Qian. He is popular in China now. A. whose B. who C. which

10. July likes music very much. She likes music ____ she can dance to. A. what B. who C. that

11. At school, you should do the things _____ are allowed by the teachers. A. that B. when C. what

12. Thought is the key _____ opens the doors of the world. A. why B. where C. which D. who

13. The gentlemen ___ are coming to my office tomorrow are my classmates many years ago.

A. whom B. who C. those D. which

14. That’s the man _____ house was destroyed in the storm. A. that B. whose C. who D. which

15. The girl ____ I just talked with is Ben’s sister. A. whom B. which C. she

16. I love people ____ are friendly to others. A. which B. whose C. what D. who

17. It’s time to say goodbye to my school. I’ll always remember the people _____ have helped me.

A. who B. what C. which D. where

18. I like the teacher ____ classes are very interesting and creative. A. which B. who C. what D. whose

19. Do you know the boy ____ is sitting next to Peter? ---Yes. He is Peter’s friend. They are celebrating his ____ birthday. A. who, ninth B. that, nineth C. /, nineth D. which, ninth

linTemple__lies in the west of Zhengzhou welcomes the visitors from e h

二賓語從句

1賓語從句的學習要注意三個方面

第一：語序：在賓語從句中，一律用___________。

如Where does she live? ( Do you know?) ----Do you know where she lives?

***幾個特殊的特殊疑問句

Which is the way to the nearest shop?/ What’s wrong with you?/ What’s up?/ What’s the matter?

這幾個特殊疑問句本身就是陳述語序,在賓語從句中不需調整語序。

第二：時態; 1）如果主句是___________，賓語從句時態根據實際情況而定.

如：1. It’s going to rain. I think. ---I think it’s going to rain.

2. “I will go with you .” he says. ---He says he will go with me.

3. He studied English ten years ago. I know. I know he studied English ten years ago.

2）主句是___________，賓語從句要用___________。

如：It’s going to rain. I thought. ---I thought it was going to rain.

“I will go with you.” he said. ---He said he would go with me.

3).若從句表達的是___________，規律，不管主句是什麼時態，從句都用___________。

如1 The earth turns round the sun. The teacher told us---The teacher told us that the earth turns round the sun.

2 Light travels much faster than sound. She said … ---She said that light travels much faster than sound.

第三：連接詞1)如果被連接的句子是___________，那麼連接詞用___________, (也可省)

如1. He’ll be back in a month. ( I hear…) I hear ( that ) he will be back in a month.

2. I have been to the Great Wall once. ( He tells me…) He tells me ( that ) he has been to the Great Wall once.

2.)如果被連接的句子是___________,則用連接詞___________

如：*Does he live in that house? ( She asked me …) She asked me if/ whether he lived in that house.

*Have you finished your homework? ( I want to know…) I want to know if you have finished your homework.

3) ___________句，用原句中的特殊疑問詞引導：what, who, where, when, which, why, how (many/ much/ often/ long/ old).如：Who are you waiting for? Can you tell me? --- Can you tell me who you are waiting for?

What did he do yesterday? I don’t know. ---I don’t know what he did yesterday.

***其中以wh-疑問詞或how引導的賓語從句與動詞不定式可相互轉換

如I don’t know what I can do.可以說成I don’t know what to do.

The policeman showed me where I could get books.可以說成The policeman showed me where to get books.

Can you tell me how I can make a kite?可以說成Can you tell me how to make a kite?

4).賓語從句___________。在_________________________________等動詞所跟的賓語中，如果從句謂語是否定的，一般要將否定詞not轉移至主句謂語上去，而將從句謂語改爲肯定形式。如：I don’t think he has time to play with the girl.

二．綜合練習

1．I want to know __

A. whom is she looking after B. whom she is looking C．whom is she looking D．whom she is looking after

2．I don't know _________ the day after tomorrow．

A．when does he come B．how will he come C．if he comes D．whether he'll come

3．Could you tell me _________ the nearest hospital is？A．what B．how C．whether D．where

4．Could you tell me _________ the radio without any help？

A．how did he mend B．what did he mend C．how he mended D．what he mended

5．I don't know if he____ tomorrow. If he _____，I'll tell you．

A．comes, comes B．will come, will come C. will come, comes D. comes, will come

6．Do you know where _________ now？A．he lives B．does he live C．he lived D．did he live

7．Do you know what time ___？A．the train leave B．does the train leave C．will the train leave Dthe train leaves

8．I don't know _________．Can you tell me，please？A．how the two players are old

B．how old are the two players C．the two players are how old D．how old the two players are

9．The small children don't know _________．A．what is their stockings in

B．what is in their stockings C．where is their stockings in D．what in their stockings

10．I can't understand _________．A．what does Christmas mean B．what Christmas does mean

C．what mean Christmas does D．what Christmas means

11 . When the job______, let me know. A B C done D shed

12 asked me if I knew__ .A e pen is it B e pen it was C whose pen it is D e pen was it 13 Li wants to know _____________next week . A my uncle leaves

B will my uncle leave C e my uncle will stay D e does my uncle stay

14 d you tell me ________________with the money ? A to do B should I do C I should do D I should do

會考賓語從句真題演練

( )1. Everyone can play an important role in the society．As members，we should try our best to do__.

A. what we should do B. what should we do C. how we should do

( )2. --I really hope to keep in touch with Lily. --Sorry. I don't know __.

A. what her name is B. what her job is C. what her number is D. when she left

( )3 —Can you tell me ______? —By doing more speaking. A how I will improve my English

B. which way can I choose C. how do I deal with my English D. what’s wrong with my English

( )4. How lovely the dog is ! Can you tell me _____?

A. where did you get it B. where will you get it C. where you got it

( )5.. --Excuse me, could you tell me ____ the book about aliens? --Sure, take the escalator to the second floor.

A. where I can buy B. where can I buy C. when can I buy D. when I can buy

( )6-“Do you know_ have our summer holiday?”-“Next week.” will we are weC. when we will

( )7 ---Do you know ____ the MP4 yesterday? -- Sorry, I’ve no idea about it.

A. how much did he pay for B. how much he paid for C. he paid for how much D. he paid how much for

( )8--What time will Mr. Brown be back to China? -- Sorry. I don’t know ___.

A. when did he go abroad he is going abroad soon will he be back Dhow long he will stay abroad

（）9. You can’t image ___ when the pupils received these nice presents on Children’s Day.

A. how they were excited B. how excited they were C. how excited were they D. they were how excited

（）10. –Can you tell me ______?–She is in the computer lab.

A. where Linda was B. where is Linda C. where was Linda D. where Linda

( )11. –Do you know _______ the Capital Museum? –Next Friday.

A. when will they visit B. when they will visit C. when did they visit D. when they visited

( )12. He wanted to know____the English party.

A. when will we have B. when we will have C. when would we have D. when we would have

( )13. I want to know_______.

A. when we should arrive at the airport B. when should we arrive at the airport

C. when the airport we should arrive at D. when the airport should we arrive at

( )14. –David, look at the man in white over there. Can you tell me_______? –He is a doctor.

A. who is he B. who he is C. what is he D. what he is

( )15. –Do you know___the girl in red is? –I’m not sure. Maybe a teacher. A. when B. how C. where D. what

( )16. Your T-shirt is so cool. Could you tell me ________?

A. where you buy it B. where do you buy it C. where you bought it D. where did you buy it is

( )17. I really want to know ____ . A. what is wrong with my brother

B. how will he go to Beijing tomorrow C. if had he bought that car D. where did he go yesterday

( )18. Excuse me, sir. Could you tell me ?

e is the bank nearestB. where is the nearest e the nearest bank isD. the nearest bank is where

( )’s mother looked for her for half an hour, but couldn’t find ____.

A. What Lily was. B. What was Lily C. Where Lily was D. Where was Lily

( )20--Could you tell me___? He is wanted by the head teacher.--Sorry, I’ve no he _ here just now．

A. where Tim was, was B. where is Tim，was C. where Tim is，was D．where Tim is，is

三、狀語從句：

一）.條件狀語從句：引導詞爲:if, unless。

形式：

主句_______________,從句______________.

練習：1.I am waiting for my friend.____________, I’ll do shopping alone.

she comes she will come she doesn’t come she didn’t come

2.I am sure I can make it better, if our teacher _________me a second s give

art club is for members only. You can’t go in___you are a member. ss use gh

4.I ________the CDs to you if I have time tomorrow. return rned returned rn

5. 1）You won’t pass the final exam ___________(除非)you work hard.

2) The children __________ climb the mountain if it __________________(不下雨)

3) _______________________if he comes. (給我打電話）

二）時間狀語從句：(常見從屬連詞有when,before, after, until, as soon as, while…)

1）As soon as he _____in Paris, he will call you. ve ved ves

2）Don’t leave until the rain_______ped s ping

3）You can go skating after you ____sh the job shed the job shing the job

4) I’ll tell her the good news when he _____ back. s

5）Father was watching TV ________ Mum was washing dishes. re B. while r l

6）I was watching TV ____ you called me last night. e l r

7) I ______ here since I came to China. d lived living D. had living

8) grandma didn’t go to sleep______ I got back home. l e

三）原因狀語從句：(常用連詞有because, since, as)

1. Tom is ill at home, _____he can’t come here. use

2.—Why did you come to school late this morning?--___I watched the Football World Cup until 12:00 last night. use e gh

3.I hope to go to France some day__there are many museums gh B. unless C. because D. where

四）結果狀語從句：由so… that…/such…that/so that引導的從句（so後接形、副原級）

1）與too…to…句型的轉換：

He ran so fast that I couldn’t catch up with him. =______________________________________________

The box is so heavy that I can’t carry it= ___________________________________________________

2）“so… that +從句”與“enough to”的替換

He’s so strong that he can carry the box.=___________________________________________________

He is not old enough to go to school.=________________________________________________________

3)so that…/ so…that…/such…that ____________________________________________________________

如：He got up early in the morning so that he could catch the early bus.

The boy is so strong that he can lift up the heavy stone. He is such a clever boy that all of us like him.

練習：1.--He was _______tired ______he fell asleep as soon as he lay down. -- Oh, we can go out and let him have a good ;to ; that gh; to ; that

e were _______many people ____I couldn’t find where she is. ;that ;as ;that ;that

3. He ran as fast as possible__he could reach school on time. order to B so as to C such that D so that

4. They are ___interesting books __ I want to read them once that …that …to …that

綜合練習

may leave the classroom when you__ finish Bare finishing C have finished Dhad finished

2. Would you give Johnny this letter if you ________ to see him this week.

A. will happen B. happen C. are happened D. happened

3. She was busy, ____she couldn’t go to your birthday party last night. A. and B. so C. or D. but

4. English is ________ a useful language ________ it is spoken in many countries of the world.

A. so…that B. such…that C. so…because D. such…because

5. Don’t cross the street __ the traffic lights are green. A. after B. until C. while D. since

6. Your dream won’t come true__ you know what your dream is. A. after B. unless C. while D. since

7. --Could you ask him if he __to my birthday party next Sunday? –I will, if I __ him this afternoon.

A. comes, meet B. will come, will meet C. comes, will meet D. will come, meet

8. Sarah is ______ a hard-working girl ______ she often works late into night.

A. so; that B. too; to C. such; that D. not only; but also

狀語從句真題練習

1.—Where was your brother at this time last night?—He was writing an e-mail ___I was watching TV at home.

soon as r l e

film “Kung Fu Panda” is___interesting__I would like to see it again. ,that ,to ,as that

will call me as soon as he ___home. got get

4. We will have no water to drink___we don’t protect the earth. l re gh

won’t start the meeting ___our teacher arrives. gh l e

promises to join in the football match____he has to help his parents on the farm..

A. if C. unless D. when

7.___it’s difficult to make her dream come ture, she never gives up. gh ss use

8.---Could you tell me when Mr. Li___in Huanggang?---Sure. When he ___, I’ll call you.

ves; will arrive arrive; arrives ves; arrives arrive; will arrive

summer, food goes bad easily__it is put in the refrigerator. l ss

10.A moment, please. I’m checking if Mr. Smith__free tomorrow. g be be

11.I didn’t go to bed __my mother came back late last ; l gh

y up,___you will miss the early train. A. or ss

13.---Tommy, do you know if Frank___to the theatre with us this Sunday if it ___?---Sorry, I have no idea.

go, is fine; , is fine go, is going to be fine ; will be fine

a beautiful painting it is! I’ve never seen ___painting. a B.a better

15.I don’t know __he will come tomorrow.___he comes, I’ll tell you.

, Whether her, Whether , That , If

複合句綜合檢測

( ) this museum_ they visited last month? A. that B. where C. which D. the one

( )2. Is that book ____ he borrowed on Friday? A. that B. which C. who D. the one

( )3 The second book__I want to read is Business at the Speed of Thought. A. which B. what C. that D. as

( )4 –Do you know the man __is running along the street? A who B which C whom

( )5. Without friendship, one can’t be happy although he is rich enough. As for me, I will never forget the days ___I spent with my dearest friend. A that B when C who

( )6 This is the best TV play __we have seen this year. A when B what C who D that

( )7--Have you found the information about famous people ____you can use for report?

--Not yet. I’ll search some on the Internet. A which B who C what D whom

( )8--Have you been to the Sports Center___ is just opened in town? - -No, no yet.

A where B who C that D when

( )9 --Bob, where do you work?--I work for a company ___sells cars. A which B where C what

( )10____ have finished the work can leave. A. Those who B. Anyone C. The one who

( )11. The building that ___new is our school. A. is B. are C. was D. were

( )12. The pandas that we saved ____better now. A. are B. were C. is D. was

( )13 This is the only thing _________ I have h e

( )14.--Could you tell me____?--Sorry, I don’t know. I was not at the meeting. A. what does he say at the meeting. B what did he say at the meeting. C. what he says at the meeting D. what he said at the meeting

( )15. No one can be sure____ in a million years.

A. what man looks like B. what will man look like C. man will look like what D. what man will look like

( )16. -- Could you tell me ____?-- She is a student in Eton School.

A. where Kate is studying B. how Kate studies C Kate was studying D. when Kate studied

( )17.-- Could you tell me___ yesterday?-- About two hours. A. How long it takes to fly to Guilin B. How long it took to fly to Guilin long does it take to fly to Guiln D. How long did it take to fly to Guilin

( )18. Please tell me____.A. what is wrong with the boy B. what is the boy wrong C. what wrong the boy is

( )19. She will hate him when she _more about him sB know Dis going to know

( )20. --Excuse me. Do you know_____?--Sorry, I don’t know. A. where is No. 1 Middle School

B. where No. 1 Middle School is C. No. 1 Middle School is where D. No. 1 Middle School where is

( )21. At the science museum，the boys and girls get to know__________. A. what is the spaceship like

B. what the spaceship looks like C. how the spaceship looks 1ike D. how does the spaceship1ook like

( )22. He didn’t tell me ____.

A. which floor did he live on B. which floor he lived on C. which floor he lived D. he lived on which floor

( )23. I’m new here. Could you tell me__, please?A. when does the first bus arrive B. when the first bus arrives

C. when did the first bus arrive will the first bus arrive

( )24. I wonder how long_______school?

A. has he been away from B. he has been away C. he has left D. he has been away from

( )25. ---We can use MSN to talk with each other on the Internet. ---Really? Will you please show ____it? ‘

A. what to use B. how to use C. how can I use D. where can I use

( )26. The teacher asked the students . A. if they were interested in chatting online

B. when was Albert Einstein born C. what they will do with the computers D. how often they go to movies

( )27---Could you tell me how long __the book?--Three days.

A.I can keep I borrow C.I can borrow D. can I keep

( )28.I can’t understand ___the boy alone at home.

she left she leave had she left she leave

( )29. You will not succeeded if you ______ harder. A. will work B. won’t work C. work D. don’t work

( )e clearly __your teacher can understand you correctly. e use Dso that

( )31.______he failed , he went on doing the experiment .A. Even B. Yet C. Although D. in spite of

( ) dog went out while we __ supper. A. had B. had had C. were having D. would have

( ) brother has worked there ________ he left schoo B. after C. since D. until

( ) boy didn’t stop talking ____the second bell rang. B. until C. after D. because

( )35. __I came into the office, the teacher were having a e B. When C. Once D. Since

( )36.I was about to leave my house __ the telephone rang. e B. as C. when D. since

一、生物的特徵

1、生物的生活需要營養。生物的一生需要不斷從外界獲得營養物質，維持生存。

2、生物能進行呼吸。絕大多數生物需要吸入氧氣，呼出二氧化碳。

3、生物能排出身體內產生的廢物。

4、生物能對外界刺激作出反應。

5、生物能生長和繁殖。

6、生物還具有其他特徵。除病毒以外，生物都是由細胞構成的。

一、種子的萌發條件：

1、環境條件：適宜的溫度、一定的水分、充足的空氣

2、自身條件：具有完整的有生命力的胚，不處於休眠期。

二、測定種子的發芽率

發芽的種子數

1、發芽率=————————*100%

共檢測的種子數

2、發芽率應達到90%以上，才能播種。

三、種子萌發的過程

種子先吸收水分。子葉或胚乳中的營養物質轉運給胚根、胚芽、胚軸。隨後，胚根先突破種皮，發育成根。胚軸伸長(發育成根莖相連的部分)，胚芽發育成莖、葉。(注：食用豆芽的白胖部分是由胚軸發育來的)

1.目前世界上已知的最早的紙出現在西漢早期。

2.東漢改進造紙術的重要歷史人物是蔡倫。意義：世界各國的造紙術，大多是由我國直接或間接傳去的。造紙術的發明是我國人民對世界文化的巨大貢獻。

3.東漢時期的張衡製造的地動儀。作用：測定地震的方向。是世界公認的最早的地震儀器。

4.東漢華佗最早製成了“麻沸散”，是世界醫學史上的創舉。主要著作《五禽戲》。

5.東漢末年的張仲景著《傷寒雜病論》。書中闡述中醫理論和治病原則。他醫德高尚，醫術高明，後世尊稱他爲“醫聖”。