Unit 13 We’re trying to save the earth. Section A 1a-1c 课件 (共17张PPT)

(共17张PPT)
Unit 13.
We’re trying to save the earth.
Section A. 1a-1c.
知识与技能：了解环境污染类型，分析造成污染的原因及如何
解决污染问题。
学习策略：根据表格中文字内容预测听力内容，听中捕捉关键
词块。
文化意识：环境污染有很多类型，造成污染的原因各不相同，
需要采取不同对策来应对。
情感态度：关注人类活动是造成环境污染的根源，积极探索解
决环境污染的方法。
Teaching Goals
What can you see in the pictures
What kind of pollution are they
pollution
污染
air pollution
water pollution
land pollution
noise pollution
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
1b
Listen and complete the sentences.
What was the problem
The river was _____________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) to catch.
really dirty
rubbish
fish
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 ____________ and
ask them to ___________ the factories.
Everyone should help to __________ the
river.
litter
waste
government
close down
clean up
The river was dirty.
Even the bottom of
the river was full
of rubbish.
But it used to
be so clean!
1c
Role-play the conversation. Then make
your own conversations about the kinds
of pollution in 1a.
Yes, but people
are throwing litter
into the river.
Everyone in this
town should play
a part in cleaning
it up!
用动词的适当形式填空。
1. We’re trying _______ (save) the earth.
2. There used to _____ (be) clean and beautiful.
3. There are too many ____ for __________
to catch (fish).
4. It’s bad for environment to use
_________ (wood) chopsticks.
to save
be
fish
wooden
fishermen
用方框中所给词的适当形式填空。
1. Don't throw _______(垃圾) everywhere.
2. In winter, many people burn ______(煤) to keep warm.
3. The police found a body at the ________(底部) of the lake.
4. The ______(花费) of living in big cities is very
high.
5. He keeps a rabbit in a big _______(木制的) box.
cost wooden, coal , bottom, litter
cost
wooden
coal
bottom
litter
The earth is badly polluted. Let's save our home together!
Save the earth!