第16页

信息发布者：
D
in
problems
dropping
die
useful
to keep
Without
importance
itself
children
（更多请点击查看作业精灵详解）

B
A
36.A 37.C 38.D 39.B 40.A
41.in 42.problems 43.dropping 44.die 45.useful 46.to keep 47.Without 48.importance 49.itself 50.children
41.in 42.problems 43.dropping 44.die 45.useful 46.to keep 47.Without 48.importance 49.itself 50.children
The Importance of Plants 
We all know plants are very important to us humans, animals and the environment we live in. Now, let me introduce the importance of plants to you.
 Plants give us basic needs. People can eat plants or use them as medicine. People use wood from trees to build houses and furniture. Our clothes are also made from plants. Books, paper, pencils and erasers all come from plants. Animals live in the forest and eat the fruit from the trees. Plants also help make the air clean and fresh. They cover the soil and can stop the wind. In a word, all of us cannot live without plants. The plants are important.
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