最新人教版新目标九年级英语Unit13全单元课件

Listen again and check (√) the sentences you hear.
√ √
1. We could go fishing in the river. 2. The river was really dirty. 3. The river has always been the nicest river in this town. 4. We should ask the teachers for help.
Everyone in this town should play a part in cleaning it up!
Make conversations using the pollution in 1a. The river has always been the nicest river in this town. Yes, it used to be so clean.
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
loud music cars rubbish planes littering ships factories smoking building houses mobile phones noise pollution loud music ____________ planes ____________ mobile phones ____________ ____________ building houses air pollution water pollution ships ____________ ___________ factories rubbish ____________ ___________ smoking littering ____________ ___________ cars factories building houses ____________ ___________
But I was there last weekend and the river was really dirty.
What caused the problem?
People are throwing litter into the river.
What should we do?
Factories are also putting waste into the river.
1c
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try one’s best to do 努力去做某事。 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该 努力学习。
What caused the problem?
People are throwing _______ litter into the river. Factories are putting ______ waste into the river. How should the problem be solved? government and We should write to the ____________ ask them to ___________ close down the factories. Everyone should help to __________ clean up the river.
Yes, everyone in this town should play a part.
We should write to the government and ask them to close down the factories.
What else can we do?
Everyone should help to clean up the river.
mobile phone pollution
litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution There are more cars on the road.
1b Listen and compBiblioteka Baiduete the sentences.
What was the problem?
really dirty The river was _____________. Even the bottom (底部) of the river was full of _________. fish rubbish There were no more ______ for fishermen (渔民) to catch.
The earth is polluted.
air pollution
n. 煤炭
The factories that burn coal pollute the air with a lot of black smoke.
water pollution Factories put waste into the river.