书面表达。
同学们，保护环境，人人有责。保护环境，要从自己做起，从身边的小事做起。请你比较下农村的空气和城市的空气有什么不同。说一说保护空气的重要性。
提示：healthier更健康的  fresh新鲜的   factories in cities城市里由工厂
harmful gases有害的气体 full of smoke充满烟气  
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给下列句子排排队。

A．Twice a day.

B．I think you need about an hour of exercise a day, Linda!

C．How often do you exercise, Linda?

D．How many minutes do you exercise?

E．About ten minutes.

F．Okay. I'm going to exercise an hour a day.

________→________→________→________→________→________

阅读短文，选择正确答案。
Everybody wants to be healthy(健康的). You know food is very important（重要的）. There are many healthy foods. You can have more bananas, apples, oranges, tomatoes and carrots because fruits and vegetables are good for you. But don’t eat too much chocolate. It’s not good for you. It’s not good healthy food. Healthy food can make you grow（成长） and make you strong（强壮的）and happy. Remember there is a saying, “An apple a day keeps the doctor away.” Sports can also keep you healthy. Get up early and do some sports every day. Don’t be lazy! You will be healthy and happy.
【小题1】Which is right? ( )
A. Everybody is healthy.    B. We want to be healthy.    C. We are important.
【小题2】What are vegetables? ( )
A. Apples and pears.    B. Chocolate and sweets.    C. Tomatoes and carrots.
【小题3】Why are healthy foods good for you? ( )
A. They make you happy.    B. They make you grow strong.
C. They make you grow and make you strong and happy.
【小题4】“An apple a day keeps the doctor away.” means：______( )
A. The doctor goes away when he sees an apple.
B. The doctor runs away when you give him an apple.
C. You eat an apple every day and you can be healthy.
【小题5】The word ‘lazy’ means  ________?( )
A. 懒惰的    B. 忙碌的    C. 兴奋的

判断下列句子与短文意思是否相同

Our body rests while we sleep. Our body grows most while we are asleep. Children who are tired usually need more sleep. We can get at our lessons better, after we have had plenty of rest. Boys and girls who are eight or nine years old need ten hours of sleep every night. If we do not get enough fresh air, we will feel tired when we wake up. While in bed we must not cover our heads. Our lungs (肺) need to get enough fresh air. If we open our windows at night, we can have plenty of fresh air. Cool air is better than warm air.

【小题1】Our body grows most while we are eating. （_____）
【小题2】Too much sleep makes us unhappy. （_____）
【小题3】Our body doesn't need plenty of air when we sleep. （_____）
【小题4】Cool air is better than warm air. （_____）
【小题5】When children are tired, they need to go to bed for rest. （_____）

读短文，完成后面的判断题，对的打“T”，错的打“F”。
Look! There are so many things on the playground. Whose red T­shirt is it? Oh, it's Wu Yifan's. Whose pink dress is it? Oh, it's Bai Ling's. Whose yellow shoes are they? Oh, They're Chen Jie's. Whose black pants are they? They're Mike's. Whose purple jacket is it? Oh, it's Sarah's. Please take the things back, children!
【小题1】The red T­shirt is John's. （____）
【小题2】The pink dress is Bai Ling's. （____）
【小题3】The yellow shoes are Wu Yifan's. （____）
【小题4】The black pants are Mike's. （____）
【小题5】The purple jacket is Miss White's. （____）