Module 4 Unit 10 Air 第2课时 课件（16张PPT）

(共16张PPT)
Module 4 The natural world
Unit 10 Air
学习目标
单词：air; hurt; everywhere; fresh; alive; plant; balloon; factory; smoke; dirty; clean
句型：1. It keeps them high in the sky.
2. It is important to all people.
3. What's the matter, Kitty
4. Where is the smoke from
5. It makes the air dirty.
语法： 学习一般将来时。
单词回顾
factory
smoke
dirty
clean
It has no colour or shape.
It has no smell or taste.
We cannot see it, but we can feel it.
It is everywhere.
It is important to all people.
It is also important to animals and plants.
We all need it to keep us alive.
课文回顾
Look at the kite and the balloon.
Look at the plane and the bird.
They all need it too.
It keeps them high in the sky.
What is it
课文回顾
Say and act
Ben: What's the matter, Kitty
Are you crying
Kitty: I'm not crying. My eyes hurt. It's the smoke.
Ben: Where is the smoke from
Kitty: It's from the cars and buses.
Ben: Look at the black smoke from the factory. It makes the air dirty.
Kitty: Let's go to the park, Ben. The air is clean there.
Ben: OK.
Say and act
Kitty: The air is so fresh here.
Ben: Yes. There are a lot of trees in the park. Trees keep the air clean.
Kitty: We should plant more trees and keep the air clean.
Ben: Yes! We should keep our city clean.
知识拓展
“What's the matter？”用于询问某人怎么了或遇到了什么事情，当具 体询问某人时，在某人前加介词 with。其同义表达为“What's wrong with you？”。
例： —What's the matter with you？你怎么了？
—I can't find my pencil. 我找不到我的铅笔了。
1.What’s the matter, Kitty 凯蒂，你怎么了？
知识拓展
句型“Where+be 动词 + 主语 +from？”用于询问某物来自哪里。答语句型为“主语 +be 动词 +from+ 地点.”。be from 意为“来自”，be动词的形式由其后的主语决定。
come from 与 be from 同义，都意为“来自”。当询问某人 / 某物来自哪里时，也可用句型“Where do/does+ 主语 +come from？”。
例： Where are you from？Where do you come from？
你来自哪里？
2. Where is the smoke from 烟从哪里来？
知识拓展
“make sb./sth.+ 形容词”表示“使某人或某物变得……”，其中的形容词是宾语 air 的补语，对宾语进行补充说明。
例：Trees make the air clean.
树使空气变得洁净。
3. It makes the air dirty. 它使空气变得很脏。
Say and act
Complete the notes.
The smoke in the street comes from the ________,
______________and a ____________________.
The air is ___________in the street.
The air is ________and _________in the park.
There are a lot of _______ in it.
Trees keep the air_________.
cars
buses
factory
dirty
clean
fresh
trees
clean
Ask and answer
Look at the pictures. Talk about them with your classmates.


Ask and answer
Look at the pictures. Talk about them with your classmates.
S1: What makes the air dirty
S2: The smoke from ...
makes the air dirty.
S1: What should we do to
keep the air clean
S2: We should ...
随堂练习
选句子，补全对话
A: We will have a class meeting this Monday afternoon.
B: __________.
A: Air.
B: That is great. _________.
A: You are right!
B: __________.
A: We should plant many, many trees.
B: __________Trees can make air clean. We can't leave air.
A: Yes. __________I think we can tell a lot of people to do it.
B: I hope so!
A. What is your idea
B. We can talk about how to make air clean.
C. I agree with you.
D. Clean air can make our body healthy.
E. What will we talk about in the class meeting
E
B
A
C
D
课堂练习
1. The smoke ______the air _______.
A. make; clean B. makes; dirty C. making; clean
2. Air has no colour ______ no shape.
A. or B. and C. some
3. We can______ air.
A. touch B. see C. feel
4. Air ______high in the sky.
A. keep B. keeping C. keeps
课后作业
尝试用本课时学到的句子造句。
抄写、背诵本课时中学到的单词、短语和重点句型。