Lesson 13Lesson 13

Why Are Plants Important?Why Are Plants Important?

Su Wenya

air n. 空气，天空

shade n. 树荫

•nothing pron. nothing pron. 没有东西，没有事情没有东西，没有事情•die v. die v. 死死 （（ die-died-died, dyingdie-died-died, dying ））• energy n. energy n. 能量能量•heat n.&v. heat n.&v. 热，加热热，加热•bamboo n. bamboo n. 竹子竹子• kilogram n. kilogram n. 千克 千克

• Are there a lot of Are there a lot of trees where you trees where you live?live?

• Why do we need Why do we need trees?trees?

• What kind of What kind of things can plants things can plants do?do?

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

1.1. Donuts don’t grow Donuts don’t grow onon trees! trees! onon treestrees “ “ 在树上”在树上”

onon the tree the tree

树本身的东西，长在树上。树本身的东西，长在树上。 inin the tree the tree

外来的东西，不是树本身的东西 外来的东西，不是树本身的东西

e.g.e.g. 树上有几只鸟树上有几只鸟 ..

There are some birds There are some birds inin the tree. the tree.

树上有很多苹果树上有很多苹果 ..

There are many applesThere are many apples on on the tree.the tree.

看看 ! ! 风筝在树上风筝在树上 ..

Look! The kite is Look! The kite is inin the tree. the tree.

2. Then we can sit under a tree 2. Then we can sit under a tree in in the shadethe shade..

inin thethe shadeshade ““ 在阴凉在阴凉处”处”

类似短语类似短语 in the sunin the sunin the lightin the light

在阳光下在阳光下在灯光下 在灯光下

3. All plants take energy from the 3. All plants take energy from the sun and sun and make make itit into into food.food.

make…into…make…into… ““ 把…制成把…制成…”…”e.g.e.g. 我们可以把树制成纸我们可以把树制成纸 ..

We can make the tree into paper.We can make the tree into paper.

我们可以把棉花制成布料我们可以把棉花制成布料 . . We can make cotton into cloth. We can make cotton into cloth.

make make 被动语态的短语被动语态的短语be made frombe made from 由由 (( 看不出原料看不出原料 )) 制制

成成be made of be made of 由由 (( 看出原料看出原料 )) 制成制成

be made by be made by 被被 (( 某人某人 )) 制造 制造 be made in be made in 在在 (( 某地某地 )) 制造制造

4.Without food, they would have 4.Without food, they would have nothing to eat and they would die. nothing to eat and they would die.

withoutwithout 介词 “没介词 “没有”有”

e.g.e.g. 他没有吃早饭就去上学了他没有吃早饭就去上学了 .. He went to school He went to school withoutwithout breakfast. breakfast.

他没说再见就走了他没说再见就走了 . . He left He left without without saysayinging good-bye. good-bye.没有水鱼就不能活没有水鱼就不能活 ..Fish can’t live Fish can’t live withoutwithout water. water.

Why are plants important? 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.

cleanclean

givegive

buildbuild

sitsit

makemake

livelive

1.1. All plants take energy All plants take energy ______ the sun and ______ the sun and make it ______ food.make it ______ food.

A. to; from A. to; from B. into; to B. into; to C. from; to C. from; to D. from; into D. from; into

Exercise Exercise

2. Plants cover the soil. 2. Plants cover the soil. Then the wind and Then the wind and water don’t carry the water don’t carry the soil___.soil___.

A. in A. in B. out of B. out of C. away C. away D. on D. on

3. Pandas eat___.3. Pandas eat___.

A. pandas A. pandas B. grass B. grass C. dinosaurs C. dinosaurs D. bamboo D. bamboo

4. I would fail___your 4. I would fail___your help.help.

A. in A. in B. with B. with C. within C. within D. without D. without

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

______ _______ ___________ _______ _____