How much sleep do we need? People are all different. Some people need only three or four hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep seven to eight hours a night.
Some people find it is hard to fall asleep. About one in three Americans have a problem with sleep. Many of these people can not fall asleep. The name of this problem is insomnia (失眠症). Many famous people in history had insomnia. Some of these people have special (特殊的) ideas to make themselves sleep. Benjamin Franklin had four beds. He moved from bed to bed to fall asleep. Mark Twain lay (躺) on his side across the end of his bed.
根据短文内容，判断正 (T) 误 (F)。
1.Different people need different amounts of sleep (睡眠时间).
2.Most Americans sleep more than 8 hours a night.
3.If a person has insomnia, he can never fall asleep.
4.About 1/3 of Americans have a problem with sleep.
5.Mark Twain had four beds to make himself sleep.
There are many kinds of food in the world. Scientists learn a lot about them. They say that there are some kinds of food people must eat every day. For example, people must eat some green and yellow vegetables. We shouldn’t eat too much meat. People also need to eat some fruits, bread and rice. Of course our bodies need some water and milk.
Scientists say people in different countries and different places eat different kinds of food. They cook food in different ways. Different people eat at different times. In one place, people eat once or twice a day. But in another place, people eat three or four times. The scientists say when to eat and how many times to eat are not important. What we eat is the most important thing.
Nowadays, the world faces two problems. People in some places, for example, in Africa, are not full. Many people are eating junk food. It’s bad for people’s health. So it’s our duty to make everyone full and make everyone healthy.
根据短文内容，选择正确答案。
1._______ know about food most according to the passage.
A. Farmers B. Cooks
C. Scientists D. Customers
2. Scientists think the most important thing about food is _______.
A. how to cook B. when to eat
C. what to eat D. how often to eat
3. Which of the following statements (陈述) is NOT true?
A. Every day, we should eat some vegetables.
B. All the people in the world have enough food to eat.
C. Many people are eating unhealthy food.
D. Everyone is needed to help solve the two problems.
4._______ is not good for our health.
A. Meat B. Bread
C. Milk D. Potato chips
5. We may read this passage in _______.
A. a letter B. a story
C. a newspaper D. a health magazine
完形填空。（10分）
It’s cold in winter. But it is also for many exciting sports; skating, skiing and sledding (雪撬). It is hard to skate and ski, but sledding doesn’t need . Now some sleds are made (制作) of glass, so they can move . In the old days, in some very parts of the world, people sleds to pull (拉) goods (货物) or people. Now sleds are used for exercising. After standing on a sled and kicking the ground, you can the sled. Or you can ask a person help. Another sled is called skeleton sled (骨架雪撬). It is . First, you your stomach (匍匐在上面) on a skeleton sled with your head ahead. Then you can drive it away. It is so fast that many people are afraid to ride it. they want again after it!
1.A. holiday B. exercise C. sport D. time
2.A. skills B. money C. help D. places
3.A. hard B. easily C. fast D. quickly
4.A. warm B. hot C. cold D. cool
5.A. used B. let C. wanted D. helped
6.A. take B. begin C. make D. start
7.A. to B. for C. with D. at
8.A. beautiful B. dear C. interesting D. different
9.A. check B. lie C. look D. hear
10.A. But B. And C. Or D. For
情景交际。（5分）请从Ⅱ栏中选出Ⅰ栏中各句的最佳应答语。
Ⅰ 1. How often do you play computers? 2. Must I hand my homework in tomorrow? 3.Can I use your red pen? 4. How long do you exercise every day? 5. Why not drink some hot water? |
Ⅱ A. One and a half hours. B. No, you don’t have to. C. Twice a week. D. Good idea. E. Certainly. Go ahead. |
—Did you finish your homework?
—No, I didn’t. But the teacher said we didn’t need _______.
A. to hand it in B. hand them in
C. to hand them in D. hand it in
If it _______ tomorrow, we will go to the park.
A. isn’t rain B. don’t rain
C. doesn’t rain D. won’t rain
