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题目内容
（统考 英语）
Cloze 2
We know that trees are useful in our everyday life. They give us many things, such as wood, oxygen, rubber, medicines and many other things. They can __21__ tell us a lot about our climate. The following are the reasons. If you cut across a tree, you can see that it has many rings. Most trees grow one new ring __22__ year. Because of the reason, we know how old a tree is. A tree over a hundred years old means that it has more than a hundred __23__. When the climate is dry or very cold, the trees do not grow very much and their rings are usually thin. 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 __24__ changed suddenly. If we look at the rings on this tree, we can learn about the climate for a hundred years. We can see __25__ our climate is changing today.
A.climate B.rings C.every D.also E.how
We know that trees are useful in our everyday life. They give us many things, such as wood, oxygen, rubber, medicines and many other things. They can __21__ tell us a lot about our climate. The following are the reasons. If you cut across a tree, you can see that it has many rings. Most trees grow one new ring __22__ year. Because of the reason, we know how old a tree is. A tree over a hundred years old means that it has more than a hundred __23__. When the climate is dry or very cold, the trees do not grow very much and their rings are usually thin. 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 __24__ changed suddenly. If we look at the rings on this tree, we can learn about the climate for a hundred years. We can see __25__ our climate is changing today.
A.climate B.rings C.every D.also E.how
参考答案