作业帮We know that trees are useful in our everyday life. They &nb
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/27 12:07:04
| 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.
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小题1:A
小题2:D
小题3:C
小题4:A
小题5:B
小题6:C
小题7:B
小题8:D
小题9:A
小题10:C
We know that trees are useful in our everyday life .They giv
we know that trees are useful in our everday life.they ( ) u
完形填空。 We know that trees are useful
英语任务型阅读题We all know that friends are important in our life.B
Greetings are important in our everyday life.翻译?
_______ useful computers are in our daily life!
comeputers are very useful in our lives,()they?
as we know,there are many situations in everyday life__infor
Trees are useful to men in three important ways:they give th
Trees are useful to men in three important ways:They p 1 the
英语翻译Trees are useful to men in three important ways:they giv
英语翻译Trees are useful to man in three important ways:they pro