1. Lesson 13 Lesson 13 Why Are Plants Important? Su Wenya

2. air n. 空气，天空 shade n. 树荫

3. nothing pron. 没有东西，没有事情nothing pron. 没有东西，没有事情 die v. 死die v. 死 （ die-died-died, dying ） （ die-died-died, dying ） energy n. 能量energy n. 能量 heat n.&v. 热，加热heat n.&v. 热，加热 bamboo n. 竹子bamboo n. 竹子 kilogram n. 千克kilogram n. 千克

4. Are there a lot of trees where you live?Are there a lot of trees where you live? Why do we need trees?Why do we need trees? What kind of things can plants do?What kind of things can plants do?

5. *What would happen without food? *What do pandas eat?

6. 1. Donuts don’t grow on trees! on trees “ 在树上 ” on the tree 树本身的东西，长在树上。 in the tree 外来的东西，不是树本身的东西

7. e.g. 树上有几只鸟. There are some birds in the tree. 树上有很多苹果. There are many apples on the tree. 看 ! 风筝在树上. Look! The kite is in the tree.

8. 2. Then we can sit under a tree in the shade. in the shade “ 在阴凉处 ” 类似短语 in the sun in the light 在阳光下在灯光下

9. 3. All plants take energy from the sun and make it into food. make…into… “ 把 … 制成 …” e.g. 我们可以把树制成纸. We can make the tree into paper. 我们可以把棉花制成布料. We can make cotton into cloth.

10. make 被动语态的短语 be made from 由 ( 看不出原料 ) 制成 be made of 由 ( 看出原料 ) 制成 be made by 被 ( 某人 ) 制造 be made in 在 ( 某地 ) 制造

11. 4.Without food, they would have nothing to eat and they would die. without 介词 “ 没有 ” e.g. 他没有吃早饭就去上学了. He went to school without breakfast. 他没说再见就走了. He left without saying good-bye. 没有水鱼就不能活. Fish can’t live without water.

12. Why are plants important? Trees help____ the air.Trees help____ the air. Trees ____us food.Trees ____us food. We can ____things with trees.We can ____things with trees. We can ___ under a tree.We can ___ under a tree. We ___ books from trees.We ___ books from trees. Many animals ____ in trees.Many animals ____ in trees. clean give build sit make live

13. 1.All plants take energy ______ the sun and make it ______ food. A. to; from B. into; to C. from; to D. from; into A. to; from B. into; to C. from; to D. from; into Exercise

14. 2. Plants cover the soil. Then the wind and water don’t carry the soil___. A. in B. out of C. away D. on A. in B. out of C. away D. on

15. 3. Pandas eat___. A. pandas B. grass C. dinosaurs D. bamboo A. pandas B. grass C. dinosaurs D. bamboo

16. 4. I would fail___your help. A. in B. with C. within D. without A. in B. with C. within D. without

17. Why do we need plants? Find three answers to this question. Write down your answers. ______ _______ _____