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 . Teach ing aims and dema nds 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.
n . 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
川.Five-fi nger Teachi ng Pla n 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?
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 nosie 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 to o much heavy smoke outside. I can 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 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. Ss:
It is noise pollution. t stand it.
s a serious air pollution.