题目内容

Many students may feel 1. (stress) because of their parents. Most parents have good intentions, 2. some of them aren’t very helpful with the problems their sons and daughters have in 3. (adjust)to college, and a few of them seem to go out of their way to add to their children’s 4. (difficulty).

For one thing, parents are often not aware of the kinds of problems their children face. They don’t realize that the 5. (compete) is stronger, that the required standards of work are 6. (high), and that their children may not be prepared for 7. change. They may be upset by their children’s poor grades. At their kindest, they may8. (gentle) ask why John or Mary isn’t doing better, whether he or she is trying as hard as he or she should, and so on. At their worst, they may threaten 9. (take) their children out of college or cut off living expenses.

Sometimes parents think it right and natural that they determine 10. their children do with their lives. They forget that everyone is different and that each person must develop in his or her own way.

 

1.stressed

2.but

3.adjusting

4.difficulties

5.competition

6.higher

7.the

8.gently

9.to take

10.what

【解析】

1.stressed 考查固定短语。Feel stressed 感到有压力;

2.but 考查连词。句意:大多数的父母有好的打算而一些是无益的;

3.adjusting 考查非谓语动词。In 是介词后面跟动名词做宾语。

4.difficulties 考查名词。句意:一些父母有自己的想法这增加了孩子的困难;

5.competition 考查名词。句意:他们没有意识到比赛是有竞争力的。

6.higher 考查形容词。句意:作品的要求比较高。

7.the 考查冠词。句意:孩子们没有为挑战做好准备;

8.gently 考查副词。句意:对于他们的好心,他们温和的问孩子为什么没有做得更好;

9.to take 考查非谓语动词。句意:糟糕的的,他们被威胁不许上学或切断经济来源。

10.what 考查宾语从句。句意:有时父母认为他们处理孩子的生活是对的。

考点:语法填空。

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Natural leaves are able to change sunlight and water into energy. It is known as photosynthesis (光合作用). Now researchers have found a way to imitate this seemingly simple process.

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Though the leaf is only about the shape of a poker card, scientists claimed that it is promising to be an inexpensive source of electricity in developing countries. “One can imagine villages in India and Africa not long from now purchasing an affordable basic power system based on this technology,” said Nocera at a conference of the American Chemical Society.

The artificial leaf is not a new idea. The first artificial leaf was invented in 1997 but was too expensive and unstable for practical use. The new leaf, by contrast, is made of cheap materials, easy to use and highly stable. In laboratory studies, Nocera showed that an artificial leaf prototype (原型) could operate continuously for at least 45 hours without a drop in activity.

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With the goal to “make each home its own power station” and “give energy to the poor”,scientists believe that the new technology could be widely used in developing countries,especially in India and rural China.

1.Which of the following orders correctly shows how the artificial leaf is used to produce electricity?

a. artificial leaves split water into hydrogen and oxygen

b. the hydrogen and oxygen gases are stored in a fuel cell

c. the artificial leaves are put in water

d. the fuel cell uses hydrogen and oxygen to produce electricity

A. c, a, b, d B. c, b, a, d

C. b, c, a, d D. c, a, d, b

2.The purpose of the scientists at MIT in developing the new artificial leaf is to ________.

A. build up more power stations in the world

B. provide cheaper energy for developing countries

C. offer people in developing countries access to pure water

D. gain a deeper understanding of the photosynthesis process

3.The main idea of this passage is ________.

A. an introduction to the history of artificial leaves

B. a mixture of water power and solar energy

C. giving energy to the poor

D. an invention copying photosynthesis

 

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Seek out native speakers of your new language in your school or neighborhood.They can help you with many skills,including pronunciation,and they can provide immediate feedback on your progress.

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A.explain why learning a foreign language is challenging

B.tell us the importance of learning foreign 1anguages

C.tell us some ways of earning a top grade

D.give us some tips on learning foreign languages

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5.A. away B. off C. straight D. about

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8.A. Since B. Although C. As D. Before

9.A. hoping B. considering C. concluding D. indicating

10.A. across B. off C. along D. towards

11.A. earned B. shared C. expected D. undertaken

12.A. changed B. followed C. possessed D. witnessed

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14.A. ignore B. oppose C. tolerate D. scold

15.A. anxiety B. desperation C. annoyance D. sadness

16.A. street B. corner C. way D. scene

17.A. result B. response C. reward D. reply

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19.A. recognition B. encouragement C. motivation D. commitment

20.A. liked B. trusted C. accepted D. known

 

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