在職稱英語考試的所有題型中，閱讀理解的'得分權重最大，佔試卷總分的45%，所以大家要多加練習閱讀題。以下是yjbys網小編整理的關於理工類職稱英語B級模擬試題(閱讀理解)，供大家備考。
第4部分：閱讀理解(第31——45題，每題3分，共45分)
下面有3篇短文，每篇短文後有5道題。請根據短文內容，爲每題確定l個最佳選項。
第一篇
The Issue of Package
Maybe everyone has such an experience that you have to unwrap several layers of packaging when you enjoy a piece of candy. But this overuse of wrapping is not confined to luxuries. It is becoming increasingly difficult to buy anything that is not done up in beautiful wrapping.
The package itself is of no interest to the shopper, who usually throws it away immediately. So why is it done? Some of it, like the cellophane on meat, is necessary, but most of the rest is simply competitive selling. This is absurd. Packaging is using up scarce energy and resources and messing up the environment.
Recycling is already happening with milk bottles which are returned to the dairies, washed out,and refilled. But both glass and paper are being threatened by the growing use of plastic. More dairies are experimenting with plastic bottles.
The trouble with plastic is that it does not rot. Some environmentalists argue that the only solution to the problem of ever increasing plastic containers is to do away with plastic altogether in the shops, a suggestion unacceptable to many manufacturers who say there is no alternative to their handy plastic packs.
It is evident that more research is needed into the recovery and reuse of various materials and into the cost of collecting and recycling containers as opposed to producing new ones. Unnecessary packaging, intended to be used just once, and make things look better so more people will buy them, is clearly becoming increasingly absurd. But it is not so much a question of doing away with packaging as using it sensibly. What is needed now is a more advanced approach to using scarce resources for what is, after all, a relatively unimportant function.
31. "This overuse of wrapping is not confined to luxuries. " (Line 2, Paragraph 1) means __________.
A. more wrapping is needed for ordinary products
B. more wrapping is used for luxuries than for ordinary products
C. too much wrapping is used for both luxury and ordinary products
D. the wrapping used for luxury products is unnecessary
32. Packaging is important to manufacturers because __________.
A. it is easy to use it again
B. shoppers are interested in beautiful packaging
C. they want to attract more shoppers
D. packaged things will not go rotten
33. According to the passage, dairies are __________.
A. experimenting with the use of paper bottles
B. giving up the use of glass bottles
C. increasing the use of plastic bottles
D. re-using their paper containers
34. Some environmentalists think that __________.
A. plastic packaging should be made more convenient
B. no alternative can be found to plastic packaging
C. too much plastic is wasted
D. shops should stop using plastic containers
35. The author thinks that
A. packing is actually useless and could be ignored
le will soon stop using packaging altogether
gh research has been done into recycling
is better to produce new materials than to re—tlSe old ones
第二篇
Electric Backpack
Backpacks are convenient. They can hold your books, your lunch, and a change of clothes leaving your hands free to do other things. Someday, if you don't mind carrying a heavy load, your backpacks might also power your MP3 player, keep your cell phone running, and maybe even light your way home.
Lawrence C. Rome and his colleagues from the University of Pennsylvania in Philadelphia and the Marine Biological Laboratory in Woods Hole, Mass. have invented a backpack thatmakes electricity from energy produced while its wearer walks. In military actions search-and-rescue operations and scientific field studies, people rely increasingly on cellphones global positioning system (GPS) receivers,night-vision goggles, and other battery powered devices to get around and do their work. The backpack's electricity-generating feature could dramatically reduce the amount of a wearer's load now devoted to spare batteries, report Rome and his colleagues in the Sept.9 science.
The backpack's electricity-creating powers depend on springs used to hang a cloth pack from its metal frame. The frame sits against the wearer's back, and the whole pack moves up and down as the person walks. A gear mechanism converts vertical movements of the pack to rotary motions of an electrical generator, producing up to 7.4 watts.
Unexpectedly, tests showed that wearers of the new backpack alter their gaits in response to the pack's oscillations, so that they carry loads more comfortably and with less effort than they do ordinary backpacks. Because of that surprising advantage, Rome plans to commercialize both electric and non-electric versions of the backpack.
The backpack could be especially useful for soldiers, scientists, mountaineers, and emergency workers who typically carry heavy backpacks. For the rest of us, power-generating backpacks could make it possible to walk, play video games, watch TV, and listen to music, all at the same time. Electricity-generating packs aren't on the market yet, but if you do get one eventually just make sure to look both ways before crossing the street!
36. Backpacks are convenient because __________.
A o they can be verylarge
B. they can hold as many things as you want to carry
C. your handsare freed to do other things
Do you do not have to carry things withyou
37. What is the most important feature of the backpack invented byLawrence and his colleagues?
A. It produces electricity forelectronic devices while the wearer walks.
B. It can be used as cellphones, GPS in the military actions or field studies.
C. It is small andconvenient.
D. It is light and easy to carry.
