仁爱英语九年级第二单元第一话题教案

Unit 2 Saving the Earth

Topic 1 pollution causes too many problems

Section A

I 、Teaching aims：

1、Go on leaning the present perfect tense

2、Talk about the hometown ,and enjoy the beauty of nature.

3、Talk about different kinds of pollution in order to enhance the awareness of protecting the environment.

Ⅱ、Teaching procedures：

Step1 Review

1、Talk about hometown’s scenery, then review the usage of“used to be ”

T：Who is from the country？

S1 I am

T:：How did your hometown used to be ?

S2：It used to be a very beautiful place . There were a lot of flowers and trees .But …

2、Compare the changes in hometown’s scenery ,then lead to the topic of

environment.

Step2 Presentation

1、Show the first picture in 1a and ask the student to describe the scenery .

T: What does the picture show us ?

Ss ：It’s a beautiful place with …

2、Show the second picture in 1a and ask the students to describe the changes caused

by environmental pollution .

T: What has happened in the picture ?

Ss: The water is very dirty and …

3、Listen to 1a and answer the question .Check the answer..

（1）Is the West Hill still a beautiful place now ?

（2）What happened to the West Hill?

4、Let students read 1a ,and find out the phrases and sentences . Teacher writes them

down on the blackboard and lets the students understand them .

(1)Oh ,my goodness!

(2)There are several chemical factories pouring waste water into the streams , 5、Learn and master the new words ：bee ,several ,waste , stream

Step3 Consolidation

1、Group work .Read 1a in groups of four ,then act it out .

2、Let students fill out the form in 1b according to 1a ,then ask several students to

report it to the class.

Ⅲ、Practice

一、根据句意及首字母提示完成句子

1、The fish smells terrible .It has g bad .

2、We have a lot of work to do every day ,We are as busy as a b

3、The river isn’t clear now because the factory has p much w water into it

4、Playing computer games too much can i your study

5、Pollution c too many problems

二、单项选择

1、We it with our noses ,

A、smell

B、look

C、sound

D、taste

2、population can cause trouble

A、much too

B、Too much

C、Few

D、Too many

3、Basketball is so popular a game in the world that people play it for fun and exercise

A、millions of

B、million of

C、millions

D、two millions of

4、There is a man you at the school gate now .

A、is waiting

B、waiting

C、waiting for

D、waits

5、You will see bees and butterflies

A、to dance

B、to be dancing

C、danced

D、dancing

6、 It’s a beautiful place lots of flowers .

A、 with

B、have

C、to have

D、 has

Ⅳ: Teaching reflection

Unit 2 Saving the Earth