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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。
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(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。
查看习题详情和答案>>I came to study in the US last fall. My life had been quite 1 since I arrived at Andover. Although I had quite a few activities, I hadn't taken any official leadership position.
This 2 changed when I received an e-mail from Ms. Griffith, my cluster (a group of dorms) dean (主任), 3 that a new female DC Rep was needed. DC Rep 4 Discipline Committee Representative (代表). 5 boarding school students break serious rules, like using 6 , getting drunk or cheating in their studies. The punishments given to such students are 7 by a DC Rep. I was really interested in becoming DC Rep for my cluster, Pine Knoll, 8 so were five other students. We had to hold 9 and Ms. Griffith asked us to write 10 to be sent to everyone in Pine Knoll.
I thought it hard to write. I didn't want to make any 11 , because they are difficult to keep. I didn't want to say I was experienced, because I was not. So I started my speech by explaining 12 I wanted to become a DC Rep. "I want to serve Pine Knoll and also learn how American boarding schools carry out discipline (纪律)," I wrote 13 .
I made three 14 that said "Vote For Teresa" and put them on every exit of my dorm so that people would 15 my name when they want to vote.
Although I tried hard, I didn't win the election. I was 16 , but my positive (积极的) nature did not allow me to 17 for very long. I actually 18 when my friends tried to comfort me. "Teresa, I am sorry that you didn't win the election," they would say.
"No, don't be sorry for me. I am very happy to have taken part in the election," I said.
It is true; the 19 is much more important than the result. I am surprised and happy to discover my hidden 20 .
1. A. hard B. terrible C. happy D. simple
2. A. condition B. situation C. time D. life
3. A. explaining B. writing C. saying D. talking
4. A. stands for B. asks for C. calls for D. looks for
5. A. Usually B. Sometimes C. Often D. Seldom
6. A. computers B. drugs C. cars D. mobiles
7. A. carried out B. given C. determined D. made
8. A. or B. although C. but D. therefore
9. A. a discussion B. a meeting C. an election D. a selection
10. A. articles B. speeches C. compositions D. introductions
11. A. mistakes B. movements C. promises D. requests
12. A. how B. whether C. when D. why
13. A. seriously B. easily C. fluently D. honestly
14. A. posters B. sayings C. speeches D. promises
15. A. recognize B. remember C. forget D. know
16. A. satisfied B. surprised C. disappointed D. helpless
17. A. put down B. look down C. feel down D. lie down
18. A. smiled B. cried C. laughed D. sorrowed
19. A. reason B. attitude C. process D. aim
20. A. strength B. courage C. ability D. skill
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