内容正文:
Unit 13
We’re trying to save the earth.
Section A (1a-2d)
Listening and speaking
Learn new words and phrases.学习新单词和短语
litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic, takeaway, bin, play a part in, cut down,instead of,
Get to know about the kinds of pollution 了解污染的种类
Talk about the pollution problems, the causes and the solutions. 谈论污染问题,及其成因和解决方法
Learning objectives
2
Our school starts a program called Saving the earth.
It aims to search for the ambassador (大使) of environmental
protection.
环保大使(组)
If you fihish 3 tasks, you can be a great ambassador (大使) of environmental
protection.
Task 1. know about pollutions
Watch a video
Water pollution
What kind of pollution is it?
air pollution
water pollution
waste pollution
land pollution
......
What kinds of pollution do you know?
Discussion
noise pollution
light pollution
Task 2. Talk about problems
What causes noise pollution?
Let’s learn
_________ , _____________, _____________ and_____
cause the noise pollution.
Loud music
building houses
mobile phones
cars
说完种类后,推出因污染叶子掉完的树,小组回答问题积分。
What causes water pollution ?
Let’s learn
工业废水
People throw_________ into the river.
litter
[ˈlɪtə(r)]n. 垃圾
Factories _________the waste water_______the river.
put/
pour
into
说完种类后,推出因污染叶子掉完的树,小组回答问题积分。
Factories burn________
and they produce lots of black smoke.
What causes air pollution ?
Let’s learn
[kəʊl]n. 煤
coal
There are more cars on the road and they produce lots of______________.
waste gas
说完种类后,推出因污染叶子掉完的树,小组回答问题积分。
What was the problem? The river was really ______. Even the bottom of the river was full of _________. There were no more _______for fishermen to catch.
What caused the problem? People are throwing _______ into the river.
Factories are putting _______ into the river.
How should the problem be solved? We should write to the government and ask them to _____ _____ the factories. Everyone should help
to ____ ____the river.
appeal n. 呼吁