With his attention________on the shops along the roadside，he knocked an old man down while riding to school.

A  concentrating     B．concentrated     C．to concentrate      D．concentrates

答案　B

解析　考查词组，故选B项。

（2011·安徽卷）B

Think about the different ways that people use the wind. You can use it to fly a kite or to sail a boat. Wind is one of our cleanest and richest power sources（来源）, as well as one of the oldest. Evidence shows that windmills（风车）began to be used in ancient Iran back in the seventh century BC. They were first introduced to Europe during the 1100s, when armies returned from the Middle East with knowledge of using wind power.

For many centuries, people used windmills to grind（磨碎）wheat into flour or pump water from deep underground. When electricity was discovered in the late 1800s, people living in remote areas began to use them to produce electricity. This allowed them to have electric lights and radio. However, by the 1940s, when electricity was available to people in almost all areas of the United States, windmills were rarely used.

During the 1970s, people started becoming concerned about the pollution that is created when coal and gas are burned to produce electricity. People also realized that the supply of coal and gas would not last forever. Then, wind was rediscovered, though it means higher costs. Today, there is a global movement to supply more and more of our electricity through the use of wind.

60. From the text we know that windmills              .

A. were invented by European armies

B. have a history of more than 2800 years

C. used to supply power to radio in remote areas

D. have rarely been used since electricity was discovered

61. What was a new use for wind power in the late l9th century?

A. Sailing a boat. 

B. Producing electricity.

C. Grinding wheat into flour.

D. Pumping water from underground.

62. One of the reasons wind was rediscovered in the 1970s is that             .

A. wind power is cleaner

B. it is one of the oldest power sources

C. it was cheaper to create energy from wind

D. the supply of coal and gas failed to meet needs

63. What would the author probably discuss in the paragraph that follows?

A. The advantage of wind power.

B. The design of wind power plants.

C. The worldwide movement to save energy.

D. The global trend towards producing power from wind.

【解析】选D。推理判断题。根据末段句子Today, there is a global movement to supply more and more of our electricity through the use of wind可知，接下来作者应该谈论利用风能发电的情况，因此选择D项。

That year , in the local school, there was a new math teacher, as well as some new pupils. One of the new kids was the stupidest child anyone had ever seen. It made no difference how quickly or how slowly they tried explaining numbers to him; he would always end up saying something enormously stupid. Like two plus two was five, seven times three was twenty-seven, or a triangle had thirty corners……
Before this boy arrived, math lessons had been the most boring of all. Now they were great fun. Encouraged by the new teacher, the children would listen to the pieces of nonsense spouted by the new kid, and they would have to correct his mistakes.
Whenever the new teacher asked questions, the stupid kid would stand up but made the wrong answers, the other students all wanted to be the first to find his mistakes, and then think up the most original ways to explain them. To do this they used all kinds of stuff : sweets, playing cards, oranges, paper planes, etc. It didn’t seem like any of this bothered the new kid.
However, Little Lewis was sure that it was bound to make him feel sad inside. Lewis was sure he would see him crying. So, one day, he decided to follow the new kid home after school. On leaving school, the new kid walked a few minutes to a local park, and there he waited for a while, until someone came along to meet him……
It was the new teacher!
The teacher gave the new kid a hug, and off they went, hand in hand. Following from a distance, Lewis could hear they were talking about math.
【小题1】根据短文第二三段描述，可知这位新老师的工作很有创造性，故选A。
【小题2】根据短文最后一段Following from a distance, Lewis could hear they were talking about math.描述，可知选B，这个所谓的最蠢的学生其实比其它学生知道的多。
【小题3】根据Lewis was sure he would see him crying. So, one day, he decided to follow the new kid home after school.描述，可知选B。
【小题4】联系上文To do this they used all kinds of stuff :可知选C。
【小题5】The math lessons became interesting again because of the new teacher’s ___________.

In the early days of the internet, many people worried that as people in the rich world embraced new computing and communications technologies, people in the poor world would be left stranded on the wrong side of a "digital divide." Yet the debate over the digital divide is founded on a myth that plugging poor countries into the internet will help them to become rich rapidly.

This is highly unlikely, because the digital divide is not a problem in itself, but a symptom of deeper, more important divides: of income, development and literacy（识字）. Fewer people in poor countries than in rich ones own computers and have access to the internet simply because they are too poor, are illiterate, or have other more immediate concerns, such as food, health care and security. So even if it were possible to wave a magic wand（棒） and cause a computer to appear in every household on earth, it would not achieve very much: a computer is not useful if you have no food or electricity and cannot read. Yet such Wand-waving - through the construction of specific local infrastructure（基础设施） projects such as rural tele-centers--is just the sort of thing for which the UN's new fund is intended.

This sort of thing is the wrong way to go about addressing the inequality in access to digital technologies: it is treating the symptoms, rather than the underlying（下面） causes. The benefits of building rural computing centers, for example, are unclear. Rather than trying to close the divide for the sake of it, the more sensible goal is to determine how best to use technology to promote bottom-up development. And the answer to that question turns out to be remarkably clear: by promoting the spread not of PCs and the Internet, but of mobile phones.

1. What is the main idea of this passage?

A. Plugging poor countries into the Internet will help them to become rich rapidly.

B. Poor countries should be given more basic devices other than advanced ones.

C. Rich countries should help poor ones become rich.

D. People in poor countries cannot afford devices such as computer.

2. What did the author mean by referring "digital divide." (Line 3, Para. 1)?

A. Digital technology will make the gap between rich world and poor world wider.

B. Digital technology will divide people into rich and poor world.

C. People can be divided digitally.

D. To divide people in digital world is wrong.

3. We can infer from the 2nd paragraph that_______.

A. people in poor countries cannot use computer because of illiteracy.

B. poor people cannot use computers.

C. there would be no magic to cause a computer to appear in every household on earth.

D. people in poor countries need more basic living conditions than computers.

4. Considering the following sentences, which one would the author most agree?

A. Digital technology is useless.

B. Digital divide will help poor countries become rich.

C. Poor people need more immediate concerns, such as food, health care and security.

D. Mobile phones should be promoted firstly. 

5. The following passage will probably be:

A. How to promote using of mobile phones.

B. How to use technology to promote bottom-up development.

C. The benefits of building rural computing centers.

D. How to meet the need of food, health and security in poor countries.

Elderly people who drink several cups of green tea a day are less likely to suffer from depression, probably due to a "feel good" chemical found in this type of tea, Japanese researchers said.

Several studies have    1  drinking green tea to lessening psychological problems and Kaijun Niu, of Tohoku University Graduate School, and colleagues found people    2   70 and older who drank four or more cups of green tea daily were 44 percent   3     likely to experience depression.

Green tea is widely   4    in many Asian countries,  5    China and Japan.

Niu's team   6     1,058 relatively healthy elderly men and women. About 34 percent of the men and 39 percent of the women had symptoms of    7  , according to the study that was   8      in the American Journal of Clinical Nutrition.

A total of 488 participants said they    9    four or more cups of green tea a day, 284 said they downed two to three cups    10   and the rest reported having one or fewer cups daily.

According to the researchers, the    11    effect of drinking more    12    tea on alleviating symptoms of depression did not    13   after they factored in social and economic status, gender, diet, history of medical problems and       14 of antidepressants.

There was no   15    between consumption of black or oolong tea, or coffee, and   16     symptoms of depression.

A green tea component, the amino acid thiamine（硫胺素）, which is   17    to have a tranquilizing（镇静的）  18   on the brain, may  19  the "potentially beneficial effect" shown in the current study, Niu noted,   20   that more study is needed.

(    ) 1. A. linked              B. taken         C. considered               D. regarded

(    ) 2. A. aging                      B. aged          C. years                D. age

(    ) 3. A. more                B. little          C. less                  D. much

(    ) 4. A. sold                 B. planted      C. spread               D. consumed

(    ) 5. A. including          B. concluding C. containing               D. considering

(    ) 6. A. looked for               B. checked     C. investigated      D. asked

(    ) 7. A. optimism          B. happiness   C. bitterness          D. depression

(    ) 8. A. published         B. come out   C. appeared           D. showed

(    ) 9. A. ate                   B. drank               C. swallowed               D. chewed

(    ) 10. A. weekly           B. daily          C. monthly           D. yearly

(    ) 11. A. apparent         B. light          C. huge                D. gentle

(    ) 12. A. black                     B. oolong      C. coffee              D. green

(    ) 13. A. fade                      B. disappear   C. run                  D. decease

(    ) 14. A. influence               B. effect               C. use                   D. result

(    ) 15. A. association      B. use            C. comparison       D. difference

(    ) 16. A. lower             B. increase     C. strengthen         D. cause

(    ) 17. A. assumed          B. thought     C. imaged              D. hoped

(    ) 18. A. effect             B. affect               C. effort                      D. outcome

(    ) 19. A. report             B. confirm     C. complete          D. explain

(    ) 20. A. adding            B. addressing        C. speaking           D. saying