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师梦圆初中英语教材同步人教版九年级全一册Section A 1a—1c下载详情
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二、教学重难点:

1. 教学重点:(1)能正确运用现在进行时,现在完成时,被动语态,情态动词和used to 句型。

(2)保护环境的措施方法。

2. 教学难点:能正确运用现在进行时,现在完成时,被动语态,情态动词和used to 句型。

三、教学步骤:

Section A 1 (1a-2c)

1.Presentation

Play the videos. Then Show the picture of the earth and tell students the earth is

polluted now.

For example:

(1) The factories that burn coal pollute the air with a lot of black smoke.

(2) Factories put waste into the river.

(3) People should throw away litter in the bin.

(4)There are more cars on the road.

II. Learning

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 air pollution water pollution

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

III. Listening

1. 1b Listen and complete the sentences.

What was the problem?The river was _____________. 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 ____________ and ask them to ___________ the factories. Everyone should help to __________ the river.

IV .Discussion

Group work:

教材