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仁爱版九年级英语优质课教案
Topic 2 All these problems are very serious.Section A
上课教师：刘丽娟
The main activities are 1a and 2.本课重点活动是1a和2。
Ⅰ.Teaching aims and demands 教学目标
1.Learn a new word and some phrases:
as a result, behavior, in the beginning, day by day, die out
2.Learn some useful sentences:
(1)As a result, air pollution has become a serious problem.(2)Humans have come to realize the importance of protecting animals.3.Learn the indefinite pronoun and adverb:
(1)None of us likes pollution.(2)Don’t spit anywhere in public.(3)Everyone should care for wild animals and plant more trees.4.Learn the importance of protecting the environment.Ⅱ.Teaching aids 教具
有关污染的和学生不文明行为的教学图片/小黑板/录音机/警示标语
Ⅲ.Five-finger Teaching Plan 五指教学方案
Step 1 Review 第一步
复习(时间:7分钟)
复习污染的类型及其危害，教师创设一个空气污染的情境，引入本课话题。
1.(教师收集一些有关污染的图片，让学生说出它们分别属于哪种污染，有何危害并提出解决建议。)
T: What kind of pollution is it?
Ss:
It is noise pollution.T: What harm can it cause?
S1:
It can disturb others and make people feel uncomfortable and unpleasant.S2:
It does great harm to people’s hearing.It can even make people sick or deaf.T: Good.How should we solve this problem?
S3:
Don’t always listen to loud pop music.S4:
Don’t make a loud noise in public.…
(其它污染用同样的方法复习。学生可以在教师帮助下回答。)
Step 2 Presentation 第二步
呈现(时间:10分钟)
展示1a的图片，导入新课，呈现本课生词和词组。讲解不定代词和不定副词的用法。教育学生必须保护环境。
(教师创设一个空气污染的情境，引入本课话题。例如：教师一边拍身上的灰尘，一边咳嗽着走进教室，然后描述。)
T: It is too dirty and there is too much heavy smoke outside.I can’t stand it.1.(教师展示1a的图片，导入新课。)
T: Do you like the environment here?
Ss:
No, we don’t.T: Why?
Ss:
Because there is too much smoke.It’s a serious air pollution.T: Very good.We should stop burning coal.It is said that China has become the world’s largest producer and user of coal.As a result, air pollution has become a serious problem.
