四、连词成句。(10分)

1. we, reuse, should, water (.)

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2. they, plastic, use, to, bags, make(.)

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3. trees, keep, help, air, the, clean (.)

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4. can, how, we, these, reuse, things(?)

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5. isn’t, there, coal, much, on, Earth(.)

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五、用所给词的适当形式填空。(10分,每空1分)

1. Wood _________(come) from trees.

2. We should make _______(paper) bags and _________(glass) bottles.

3. Water is ________(use).We drink water and use water __________(clean) things every day. We should keep the water in the river __________(clean).

4. Sam starts _________(draw).

5. We shouldn’t __________(litter) in the park.

6. I know how ________ (protect) the Earth.

7. Let’s make a _________(post) and tell them about it.

六、补全对话，每空一词。(10分)

1. A: What is she _______ now?

B: She is putting_________ in the river.

A: Can we ________ there?

B: No, we can’t. We should _________ the water ________.

2. A: Can we________ down too ______ trees?

B: No, we __________.

A: Why?

B: Trees can keep the air _________.

A: What can we use the wood to do?

B: We can use the wood to________ tables, chairs and many other things.

七、完型填空。(10分)

When you are in Britain you often see people go out   1   an umbrella or a raincoat on a sunny day. 2  ? Because the weather in Britain often changes (变化)   3   . The same weather doesn’t stay  4  . People can have four seasons in one day. In the morning the weather is warm like in  5   .After an hour, black   6   come and then it  7 . The weather gets   8  . In the afternoon it will be   9  .The sun will begin to shine, and it will be summer at this time of a day. The weather is always changing. How   10   it is!

(     ) 1. A. for         B. with        C. use

(     ) 2. A. Why         B. What        C. How

(     ) 3. A. big         B. slowly    C. quickly

(     ) 4. A. long         B. short        C. fast

(     ) 5. A. winter      B. spring       C. summer

(     ) 6. A. cloud         B. clouds    C. sky

(     ) 7. A. rains         B. rained       C. rainy

(     ) 8. A. cold         B. hot        C. warm

(     ) 9. A. cloudy        B. sunny       C. windy

(     ) 10. A. exciting        B. useful             C. interesting