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约2910字。
　　2010年高考英语复习限时训练十五（含答案详解）
　　完形填空（时间：10分钟）
　　For some people, the sight of a mouse can be reason to s. For other mice, the same sight can be reason to sing.
　　Mice will probably 21 sing their way to any concert, but researchers in the United States have found 22 that mice do, 23 , sing.
　　Scientists already knew that mialtrasonic(超声波) sounds—noises that are too high-pitched(高音的) for people to hear 24 special equipment.
　　To find out whether mice put such sounds together in song-like 25 , the researchers recorded the sounds of 1 mice. Using puter 26 , they were able to separate the sounds into specific types of syllables(音节), and found the mice produced about 10 syllables per second.
　　The results showed that nearly all of the mice repeated sequences(顺序) of syllables in different patterns. That’s enough to meet the definition of what scientists 27 song. But not all scientists are 28 _ that what the mice are doing is 29 singing. To prove it, the researchers must show that there’s learning involved. And, they need to __ 30 why the mice sing.
　　21. A. almost B. even C. never D. usually
　　22. A. coincidence B. evidence C. guidance D. instance
　　23. A. at once B. by means C. for example D. in fact
　　24. A. during B. inside C. through D. without
　　25. A. fashions B. instructions C. patterns D. styles
　　26. A. access B. printer C. screen D. software
　　27. A. call B. hear C. sing D. write
　　28. A. aced B. convinced C. involved D. qualified
　　29. A. actually B. obviously ply D. unlikely
　　30. A. figure out B. get about C. run across D. talk over
　　语法填空（时间：10分钟）
　　Early in the 16th century men were trying to reach Asia by traveling west from Europe. In order to find Asia they had to find a way past South America. The man who finally found the way from the Atlantic Ocean to the Pacific was Ferdinand Magellan. Magellan sailed from Seville in August, 1519 ____31____ five ships and about 280 men. Fourteen months later, after ____32____(spend) the cold winter on the coast of Patagonia, he discovered the channel ____33____ is now called Magellan Strait(海峡). In November, 1520, after many months of dangers from rocks and storms, the three ____34____(remain) ships entered the ocean on the other side of South America. They then ____35____(continue), hoping to reach Asia. But they did not see any land____36____ they reached the islands off the coast of Asia. Before they arrived at these islands, later known ____37____ the Philippines, men were dying of ____38____(starve). While they were staying in the Philippines, Magellan was killed in battle. The remaining officers then had to get back to Spain. They decided to sail round Africa. After many difficulties, one ship with eighteen men sailed into Seville three years after leaving. They were all that remained of Magellan’s expedition. ____39____, their achievement was great. They were the first men ____40____ (sail) round the world.
　　阅读理解（时间：20分钟）
　　A
　　The first time my eyes were opened to children’s rights was when I was 15. A representative of Free the Children gave a speech at my school, sharing, this story I will never forget. Craig rger was 12 when he e across an article about a boy of his age who escaped from child labor and was murdered for speaking about his experiences. Craig was upset and took the article to school. He asked who would help him and with a group, of friends, started Free the Children.
　　Craig traveled to countries where he saw child laborers and poverty firsthand. He also started giving speeches to people three times his age. He was even nominated(提名) for a Nobel Peace Prize and received the Nelson Mandela Human Rights Award. His organization has already helped over a million children.
　　I could not believe a kid three years younger than me had aplished so much. His story motivated everyone who heard it to do something about the problems of the world.
　　That first burst of awareness faded, but a year later an organization at my school announced a meeting about social justiare rger, the elder brother of Free the Children’s founder, e to my school to speak and for the second time I heard the story how Craig started the organization, but this time from a person who had been there since the beginning. Mare described his visits to underdeveloped countries and the influence on his life, telling us how we could make a difference. I was pletely attracted.
　　Free the Children had set up paigns that help children get education, medical care and food. When our advisor asked if we’ would like to get involved, we responded with a unanimous yes.
　　Our group set to work realizing our goal of helping build a school by raising $6,000. It was a great challenge, but if other children had done it, so could we. I began to volunteer as a tutor at a grade school. It’s tough sometimes when the children don’t cooperate. But I thint all those children who can’ t get an education and realize it’s all worth it.
　　Every child should get an education and Free the Children has helped me understand that. Devoted to the rights of children, it has also helped me see that I can do something to help other children. I have the power to change the world and I’m going to use it. I think when the students at our school see what their money has done. They will realize they ake a difference, too.
　　41. What made Craig map his mind to set up the organization Free the Children?
　　A. He was inspired by a speech given at his school.
　　B. He was greatly shocked by an article about the death of a child laborer.
　　C. He wanted to travel round the world to help the child laborers.
　　D. He had the same experiences as the boy mentioned in the article.
　　42. Which of the following statements is true according to the passage?
　　A. Both Craig and Mare e to the author’s school and made wonderful speeches.
　　B. Free the Children was started to win the Nobel Prize for Peace.
　　C. Free the Children aims to help poor children around the world.
　　D. Free the Children was founded by the author and the rger brothers.
　　43. What’s the meaning of the underlined word "unanimous" in para.5?
　　A. unwilling B. Absolute
　　C. inconsiderate D. uncertain
　　44. We can learn from the passage that________.
　　A. Mare was given the Nelson Mandela Human Rights Award for his work.
　　B. the little author’s goal can never be achieved.
　　C. grade school students are easy to get alo