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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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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:

Step1 . Warming up

Show a video about the topic of environmental protection.

Step 2.Presentation

With the light music ,the teacher shows the pictures of the enviroment ,compare the differences 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)There are more cars on the road.

In order to improve their listening ,the teacher will intruduce the pictures in English.

Step3. Learning

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

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

Step 4.Listening

1. 1b Listen and complete the sentences.

Listen again and check (√) the sentences you hear.

Let the students check the answers and grape the sentences and structures.In order to improve the students’ listening and speaking ,they can follow the tape to read the sentences.

Step5. Practice

1. Role-play the conversation in 1c.

2. Make conversations using the pollution in 1a.

A: The river has always been the nicest river in this town.

B: Yes, it used to be so clean.

A: But I was there last weekend and the river was really dirty.

B: What caused the problem?

A: People are throwing litter into the river.

教材