Everyone knows that______ trees we plant, ___...

Everyone knows that______ trees we plant, ______our planet will be.

A.the fewer, the more B.the more, the better C.the less, the better D.the more, the more

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We know that trees are useful in our everyday life. They 1 us many things, such as wood, oxygen(氧气), rubber, medicines and many other things. They can 2 tell us a lot about our climate. The following are the reasons. If you cut across a tree, you can 3 that it has many rings. Most trees grow one 4 ring every year. Because of this reason, we know 5   a tree is. A tree over a hundred years old means that it has more than a hundred   6. When the climate is dry(干燥的) or very cold, the trees do not grow very much and their rings are usually 7. When it is wet and 8, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the 9 changed suddenly. If we look at the rings on the trees, we can 10 about the climate for a hundred years. We can see how our climate is changing today.

1.                A．give           B．ask            C．get  D．tell

2.                A．too            B．as well          C．either    D．also

3.                A．hear           B．feel            C．see D．look

4.                A．new           B．old            C．young    D．short

5.                A．how tall        B．how old         C．how long D．how far

6.                A．leaves          B．apples          C．rings D．trees

7.                A．big            B．thin            C．thick(厚的)    D．long

8.                A．cold           B．cool            C．hot D．warm

9.                A．climate         B．things          C．people   D．life

10.               A．think          B．talk            C．learn D．change

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We know that trees are useful in our everyday life. They 1  us many things, such as wood, oxygen, rubber, medicines and many other things. They can 2  tell us a lot about our climate. The following are the reasons. If you 3 a tree, you can see that it has many rings. Most trees grow one new ring 4 year. Because of the reason, we know 5 a tree is. A tree over a hundred years old means that it has more than a hundred 6 . When the climate is dry or very cold, the trees do not grow very much and their rings are usually 7. When it is wet and warm, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the 8 changed suddenly. If we look at the rings on this tree, we can learn about the 9 for a hundred years. We can see 10 our climate is changing today.

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短文填空.

We know that trees are useful in our everyday life. They ________ us many things, such as wood, rubber(橡胶), medicine and many other things. They can ________ tell us a lot about our climate. The following are the reasons(理由). If you ________　 across a tree, you can see that it has many rings. Most trees grow one new ring ________ year. Because of the reason, we know ________ a tree is. A tree over a hundred years old means that it has more than a hundred 　 ________ . When the climate is not much rainy or very cold, the trees do not grow very much and their rings are usually 　 ________　 . When it is wet and warm, the rings are not thin. If the rings are suddenly very thin or suddenly very thick(厚), this means that the ________ changes suddenly. If we look at the rings on this tree, we can learn 　 ________　 the climate for a hundred years. We can see________ our climate changed. From trees we can get a lot. So we should pay attention to them as much as possible.

1.A. tell 　　 　 B. ask　　 　　 C. give　 　　 D. get

2.A. not　　 　　 B. too　 　　 C. to　　 　　 　 D. also

3.A. cut　　　　 B. climb　　 C. walk　　　　 D. see

4.A. every　 　 B. many　 　 C. the first　 D. from

5.A. how big B. how long C. how old　 　 D. how much

6.A. trees　 　 B. leaves　　 C. people　 　 D. rings

7.A. big　　 　　 B. long　 　 C. small　　 　　 D. thin

8.A. climate　 B. trees 　 C. rings　　 　　 D. animals

9.A. from　　　　 B. of　　　 C. about　　　　 D. to

10.A. how　 　　 B. why　　 　　 C. when　 　　 D. while

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Our plan is to plant 50 trees. And we have planted half of them 　　.

A. the other day     B. yet　　　　

C. so far　　　　     　　　 D. in the past

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We should plant more trees to make our city .

A．beautiful          B．beautifully         C．serious           D．noisy

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Great! We have planted five ___ trees around our school.

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If we keep planting trees, our country will become ______.

A. more and more beautifully B. more or more beautifully

C. more or more beautiful　　　 D. more and more beautiful

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We hope that the earth will be a green planet with ____cars and ____trees.

A. less, more　　 B. fewer, more　　 C. less, much　　 D. much, less

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______trees we plant, ______ our Mother Earth will be.

A. The little, the beautiful　　 B.　　 The many, the beautiful　　

C. The less,　 the more beautiful　　 D.　　 The more , the more beautiful

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