2017年職稱英語理工類閱讀判斷模擬試卷
The important thing in life is to have a great aim,and the determination to attain it.以下是小編爲大家搜索整理的2017年職稱英語理工類閱讀判斷模擬試卷,希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!
Image Martian Dust Particles
NASA’s Phoenix Mars Lander1 has taken its first-ever picture of a single particle of rusty Martian dust with one of its microscopes. The dust particles of dust were shown at a higher magnification than anything outside of Earth that has been imaged before. The rounded particle measured only about one micrometer, or one millionth of a meter, across.
“Taking this image required the highest resolution microscope operated off Earth2 and a specially designed device to hold the Martian dust,” said Tom Pike, a Phoenix science team member from Imperial College London3. “We always knew it was going to be technically very challenging to image particles this small4.”
The device that imaged the dust speck is called an atomic force microscope, which maps the shape of particles in three dimensions by scanning them with a sharp tip at the end of a spring. The atomic force microscope can detail the shapes of particles as small as about 100 nanometers. And this won’t be the last dust particle that Phoenix will image5. “After this first success, we're now working on building up a portrait gallery6 of the dust on Mars,” Pike said.
Dust exists everywhere on Mars, coating the surface and giving it its rusty red color. Dust particles also color the Martian sky pink and feed storms that regularly envelope the planet. The ultra-fine7 dust is the medium that actively links gases in the Martian atmosphere to processes in Martian soil, so it is critically important to understanding Mars’ environment8, the researchers said.
The $420-million Phoenix mission is analyzing the dust and subsurface ice layers of Mars’ arctic regions to look for signs of potential past habitability. The particle seen in the atomic force microscope image was part of a sample scooped by the robotic arm from the "Snow White" trench and delivered to Phoenix’s microscope station in early July.
詞彙: image / 5imidV / v.繪……的圖像 habitability / 9hAbItE`bIlEtI / n. 居住性 scan / skAn / v. 掃描 resolution / 7rezE5lju:Fen / n. 分辨率,清晰度 magnification / 7mA^nifi5keiFEn / n. 放大 scoop / sku:p / v. 挖 subsurface / 5sQb5sE:fis / adj. 地面下的 map / mAp / v.繪製……的地圖 micrometer / maI`krCmItE(r) / n.微米 trench / trentF / n. 溝註釋:
1. NASA's Phoenix Mars Lander:美國國家航空航天局的鳳凰號火星登陸器
2. off earth:地球之外
3. Imperial College London:倫敦帝國學院
4. image particles this small:描繪如此之小的微粒。 image particles this small是口語的說法,其意思是 image such small particles/image particles which are so small。
5. And this won't be the last dust particle that Phoenix will image:這不會是鳳凰號掃描圖像的最後的塵粒。本句
的言外之意是:科學家將會收集更多的火星微粒進行掃描。
6. portrait gallery:(火星塵粒)圖像陳列館
7. ultra-fine:超小的
8. it is critically important to understanding Mars’ environment:火星塵粒對於瞭解火星環境是極端重要的。 it指代上一句的 dust,而 to是介詞,所以後接動名詞 understanding。練習:
1. The dust particle on Mars is the smallest particle that has been imaged outside of Earth.
A. Right B. Wrong C. Not mentioned
2. Using the same technology, we have also measured the size of particles on the moon and Jupiter.
A. Right B. Wrong C. Not mentioned
3. Scientists use the highest resolution microscope to watch and record the image of Martian particles on earth.
A. Right B. Wrong C. Not mentioned
4. Tom Pike said that they used to think it was no easy job to image such small particles.
A. Right B. Wrong C. Not mentioned
5. An electronic device has been developed to measure the weight of certain Martian rocks.
A. Right B. Wrong C. Not mentioned
6. After collecting the last Martian dust particle, the scientists have started to build up a portrait gallery of it.
A. Right B. Wrong C. Not mentioned
7. The Phoenix's robotic arm collected the Martian dust particles for analysis on Mars.
A. Right B. Wrong C. Not mentioned
答案與解析 :1.A第一段說, NASA的鳳凰號火星登陸器用它的顯微鏡觀測地球外長度只有百萬分之一米的微粒。本題的表述與第一段的意思吻合。
2.C通篇文章都沒有提到科學家用同樣的'技術測量月球和水星上的微粒。
3.B第一段只是說, NASA的鳳凰號火星登陸器用它的顯微鏡觀察地球外長度只有百萬分之一的火星微粒,而不是地球上,所以本題的表述是錯的。
4.A Tom Pike說,“We always knew it was going to be technically very challenging to image particles this small.”(我們過去一直知道,觀察體積如此小的微粒具有很高的挑戰性。)(見第二段)這句話是選擇 A的依據。
5.C通篇文章都沒有提到有人發明了一種能測量火星上某些微粒的重量的電子裝置。
6.B第三段中提到, “… this won't be the last dust particle that Phoenix will image”。接着又說, “After this first success,we’re now working on building up a portrait gallery of the dust on Mars”。而本題卻說: “After collecting the last Martian dust particle,we’re now working on building up …”,這與文章所表達內容明顯不同,所以本題的答案是 B。
7.A 選擇 A的依據是文章最後一句: “The particle seen in the atomic force microscope image was part of sample scooped by the robotic arm …”。
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