内容正文:
Unit10 Air
Listen and say
It has no colour or shape.
它没有颜色和形状。
It has no smell or taste.
它没有气味和味道。
We cannot see it, but we can feel it. It is everywhere.
我们看不见,摸不着。它无处不在。
It is important to all people.
它对所有的人来说都很重要。
It is also important to animals and plants.
它对动植物而言也很重要。
We all need it to keep us alive.
我们都需要它来维持生命。
Look at the kite and the balloon.
看风筝和气球。
Look at the plane and the bird.
看飞机和鸟。
They all need it too.
他们也都需要它。
It keeps them high in the sky.
它使它们能飞在高空中。
What is it?
它是什么?
Say and act
1.What’s the matter, Kitty? Are you crying?
1.凯蒂,怎么了?你在哭吗?
I’m not crying. My eyes hurt. It’s the smoke.
我没有哭,我的眼睛受伤了,是烟伤的。
Where is the smoke from?
烟来自哪里?
It’s from the cars and buses.
它来自小汽车和公共汽车。
Look at the black smoke from the factory. It makes the air dirty.
看工厂冒出的黑烟,它使空气污劣。
Let’s go to the park, Ben. The air is clean there.
本,我们去公园吧,那儿的空气干净。
OK.
好的。
2.The air is so fresh here.
2.这儿的空气太清新了。
Yes. There are a lot of trees in the park. Trees keep the air clean.
是的,公园里有许多树,树保持空气洁净。