题目内容

Must we find out the reason today? - No, you _____.
A．mustn'tB．don't haveC．don't have toD．needn't to
C解析:
略
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Everyone knows that exercise is important. We need to exercise. Doctors say it is good for us. It keeps our bodies strong.

? When the daytime comes, we must get up. This is the time for exercise. Exercise means doing things with the body. There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Make sure you excise in the following ways: you have to like what you’re doing. Exercise enough---but not too much. It is good to exercise twice each week. Thirty minutes each time is enough. Try all kinds of things until you find one, two or three sports that feel right for you.

? Exercise can be fun. Friends can exercise together at fitness center, or they can play sports together. How do you exercise?

1.In the passage the writer tells us that we all need to_______________.

A. drink??? B. relax??? C. exercise??? D. work

2.Which of the following sports can’t we find in the passage?

A. Fishing?? B. Running??? C. Swimming?? D. Walking

3.What does exercise mean?

A. It means doing things with the body?????? B. It means studying

C. It means doing lessons.???????????????? D. It means playing

4.What can exercise do to the body?

A. It can make the body weak???????????? B. It can make us sleep more

C. It can make the body sick????????????? D. It can make the body healthy

5.The words “fitness center” in the passage mean_________

A.减肥中心???? B.健身中心????? C.购物中心????? D.医疗中心

 

Must we find out the reason today? - No, you _____.

A. mustn't          B. don't have     C. don't have to D. needn't to

 

Water is very important to living things．Without water there can be no life on the earth．All animals and plants need water．Man also needs water．We need water to drink．to cool our food and to clean ourselves．Water is needed in offices，factories and schools．

    Water is needed everywhere．There is water in seas；rivers and lakes ,Water is found almost everywhere．Even in the driest part of the world．there is some water in the air．You cannot see or feel it when it is a part of the air．The water in the seas，rivers and lakes is a liquid。The water in the air is a gas，and we call it water vapor．

    Clouds are made of water．They may be made of very small drops of water．They may also be made of snow crystals(结晶体)．Snow crystals are very，very small crystals of ice．Ice is frozen water．It is a solid．There can be snow and ice everywhere in winter．

(   )4．Where Can we find water?

A．We can find water when it turns into vapor．

B．Water can be found almost everywhere

C．We can see water in deserts here and there．

 D．Water is only in seas and rivers．

(   )5．We must protect water resources because        ．

A．crops need water        B．all living things need water

C．all animals need water    D．all plants need water

 

---Must we find out the reason today?

---No, you _____.


  1. A.
    mustn’t
  2. B.
    don’t have
  3. C.
    don’t have to
  4. D.
    needn’t to

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