题目列表(包括答案和解析)
We know that trees are useful in our everyday life. They give us 1 things, such as wood, oxygen, rubber(橡胶), medicines 2 many other things. They can also tell us a lot about our climate. The following are the reasons. If you cut 348 a tree, you can see that it has many rings. Most trees grow one new ring 4 year. Because of this, we know how old a tree is. A tree over a hundred 5 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 7 usually thin. When it is wet and warm, the rings
8 thicker. If the rings are suddenly very thin or suddenly very thick, it means that the 9 changed suddenly. If we look at the rings on the tree, we can learn about the climate in the past years. We can see
10 changing today.
1.A.much B.lot C.many
2.A.so B.and C.while
3.A.down B.cross C.into
4.A.every B.many C.some
5.A.year old B.old C.years old
6.A.plants B.rings C.leaves
7..A.is B.are C.were
8.A.are much B.are more C.is much
9.A.day B.year C.climate
10.A.how our climate is B.how is our climate C.how to our climate
We know that trees are useful in our everyday life. They give us 1 things, such as wood, oxygen, rubber(橡胶), medicines 2 many other things. They can also tell us a lot about our climate. The following are the reasons. If you cut 348 a tree, you can see that it has many rings. Most trees grow one new ring 4 year. Because of this, we know how old a tree is. A tree over a hundred 5 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 7 usually thin. When it is wet and warm, the rings
8 thicker. If the rings are suddenly very thin or suddenly very thick, it means that the 9 changed suddenly. If we look at the rings on the tree, we can learn about the climate in the past years. We can see
10 changing today.
【小题1】A.much B.lot C.many
【小题2】A.so B.and C.while
【小题3】A.down B.cross C.into
【小题4】A.every B.many C.some
【小题5】A.year old B.old C.years old
【小题6】A.plants B.rings C.leaves
【小题7】.A.is B.are C.were
【小题8】A.are much B.are more C.is much
【小题9】A.day B.year C.climate
【小题10】A.how our climate is B.how is our climate C.how to our climate
Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.
A. what B. when C. why D. where
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