【正文】 ften helps her 2 her math. One night Mike and Mary 3 out their exercisebooks and began 4 their lessons. Soon Mike finished his homework, but his sister 5 . She couldn’t work out (解決) the last problem. “Let me 6 you.” said Mike. “No, please 7 . I’ll do it 8 .” said Mary. She thought and thought, and 9 an hour she worked it out. She 10 very tired, but very happy.1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 12Bill Gates was 1 on Oct. 28th, 1955. He grew up in Seattle, Washington. He was a very 2 boy. His favorite subjects at school were science and math. 3 he was 13 years old, Bill started to play with puters. At that time, puters 4 very large machines. Once he was very interested 5 a very old puter. He and some of his friends 6 lots of time doing unusual things with it. In the end, they worked out a software program(軟件程序) with the old machine. Bill 7 it for 4200 dollars when he was only 17. In 1973, Bill 8 to Harvard University. In this third year, he left Harvard to work for a pany called Microsoft. Bill began his pany in 1975 9 his friend Paul Allen. They thougth the puter would e into every office and every home soon. So they began developing the software for personal puters. They improved(改進(jìn)) the software to 10 it easier for people to use puters.1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 13One Monday morning at eight o’clock, Mathew was 1 down the street. Suddenly he heard two shots (槍聲). They 2 from the bank. Mathew ran to the 3 and saw a man run 4 . The man was short and heavy 5 blonde hair. He had a bag and a gun in his hands. 6 Mathew could do something, the man had run into the street and 7 on a bus.That afternoon Mathew 8 to the movies. He saw the 9 in the hall. He 10 the police at once. The policemen arrived in less than five minutes.1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 14Experts say that students usually need eight to ten hours’ sleep at night, but most Chinese students do not get 1 sleep. Some parents are glad to see their 2 study late. They will think their children work very 3 . But not all parents are 4 about this. Once a mother told us that every morning her 10yearold son put up one finger with his eyes still 5 , begging for one 6 minute to sleep. 7 thousands of students “early birds” in China, he has to get up before 6 every morning.A report 8 that without a good night’s sleep, students seem to be weaker than they should be. Many students have fallen 9 during class at one time. Some watch TV or 10 puter games late into the night.1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 15The weekend is usually a time of rest. 1 today’s Chinese teenagers can hardly rest during the weekends. According to a survey, 24% of the Junior students in Beijing have classes at the weekend. Over 40% of the Junior 3 have less 2 eight hours’ each night because of study.Ji Ping, a Junior student in Guangzhou, 3 to get up at 6:30 am on Saturday. Then she has a whole day of classes. On Sunday she gets to extra classes 4 math and English. But she doesn’t plain. She says that 5 her classmates work hard on Sunday.Liu Yang is from Dalian. As a Junior 2 student, his weekends are less busy. But he also spends Saturday in school. On Sunday, after 6 homework, he plays basketball. He