课件内容介绍和使用说明
本课件是为仁爱英语 ( http: / / www.21cnjy.com )九年级上册Unit 2 Topic 1 Section B编写的教学课件，这是第二单元第一话题的第二课时。本课以康康和周太太的对话为话题，学习相关的单词和短语，让学生学会在谈话中恰当地使用一般过去时和现在完成时。本课的语音练习着重训练单词发音、重音、连读和停顿这几方面。通过本课的学习，让学生学会关心他人，并了解环境污染的种类。为更好更有效地实现本课教学目标，本课件从学生实际出发，对教材进行了必要的整合，教学设计直观生动。基于本节课主要活动是1a，因此对教学设计作如下安排：
Getting students ready for learning:
呈现Bruce 和Steve对话的动画，为本课学习做铺垫。（图片设置了超级链接，点击即会出现动画）(幻灯片2)。
② 回答问题，复习跟生病有关的功能句，同时引入本课中会学到的知识点和功能句进行学习。(幻灯片3)
Pre-listening:
创设情境，让学生在情感上为即将进行的听力练习做准备。(幻灯片4、5、6)
While-listening:
①听1a录音，勾出听到的问题，完成1b中的A。 (幻灯片7)
②再次听1a录音，完成1b中B的练习。(幻灯片7)
③阅读1a，完成1c。(幻灯片8)
Post-listening:
①阅读并补全信的内容，完成2。 (幻灯片9)
②讲解2中出现的知识点。(幻灯片10)
③播放1a动画，让学生边听边看动画，进一步理解1a对话内容，注意模仿语音语调。(幻灯片11)
④讲解1a中出现的知识点。(幻灯片12)
Pronunciation:
①先读单词和短语，注意发音和重读，再根据短语的意思选择正确的图片。然后听录音，注意模仿语音语调。(幻灯片13)
②完成3b的练习题，读出句子，注意发音、连读和停顿。(幻灯片14)
③讲解3b中出现的知识点。(幻灯片15)
Practice:
完成练习题。(幻灯片16、17)
Assigning homework:
①总结本堂课的新单词、短语和语法项目，让学生能把握整堂课的重点。(幻灯片18)
②设计了书面显性作业及课文朗读、对话练习、预习新课等隐性作业。(幻灯片19)(共20张PPT)
Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section B
Watch the flash, then answer the questions below.
Answer the questions.
1. Does Bruce look well
2. What’s wrong with him
3. How long has he been like this
4. Has he seen a doctor
No, he doesn’t.
Two days.
He looks weak.
He has a headache and a cough.
= He has got a pain in his head.
/He has been like this for two days.
No, he hasn’t.
/ Not yet.
pain
n. 疼，痛，痛苦
Kangkang was going to leave the West Hill.
He met Mrs. Zhou.
They had a talk.
Kangkang asked Mrs. Zhou some questions.
…
…
What questions did Kangkang ask
B. Listen again and match each question above with an answer below.
a. Not yet.
b. I’ve been like this since last week.
C. It’s difficult for me to breathe.
d. Oh, yes.
C
b
a
d
1b A. Listen to 1a and check the questions you hear.
Question Answer
1. What’s wrong with you _____
2. How long have you been like this _____
3. Where have you been _____
4. Have you seen a doctor _____
5. Have you noticed the dead fish in the river _____
√
√
√
√
1c Read 1a and answer the questions.
1. What caused Mrs. Zhou’s problems
2. What will Kangkang do
3. Do you have any other ways to solve
Mrs. Zhou’s problems
The bad air and too much noise.
He will write to the newspaper about
these problems.
2 Choose the correct words to complete the passage.
Dear editor,
I’m writing to say something about the chemical factory near my house. The factory causes _______ (too many/ too much) problems. First, it produces terrible gas, and it is hard for us to ________ (breathe/ breath). What’s worse, the factory makes a lot of noise. We can’t sleep well at night. It also pollutes the river nearby. Now there are many _____ (die/ dead) fish in the river. I think people should care for these problems and I hope the government will solve them soon.
Yours,
Kangkang
too many
breathe
dead
The factory causes too many problems.
too many + 可数名词复数
e.g. There are too many people in the supermarket. I don’t want to go there any more.
too much + 不可数名词
e.g. I am busy. I have too much work to do.
much too + adj./ adv.
e.g. It’s much too cold today. Many people stay at home instead of going out.
1a Look, listen and say.
It’s difficult for me to breathe. 我呼吸很困难。
breathe v. 呼吸
e.g. He could hardly breathe because of the
lung cancer.
breath n. 呼吸
e.g. She took a long slow breath to calm down.
It’s + adj. + for sb. to do sth.
e.g. It’s important for us to learn English well.
It’s easy for him to solve this problem.
3a Look at the pictures and read the words and phrases, paying attention to the sounds and stress.
`soil po`llution
`water po`llution
`noise po`llution
`air po`llution
`litter
`light po`llution
( )
( )
( )
( )
( )
( )
A B
C D
E F
F
C
D
A
B
E
soil
n. 土壤，土地
Example:
People use chemicals too much in their fields, /and soil pollution causes
unhealthy food.
1. People pour waste water into rivers and lakes, /so _________________
is almost everywhere in China.
2. ______________ makes people sick. /It causes breathing problems and
even cancer.
3. In some cities, /there’s too much ________________ caused by many
cars.
4. ________________ is harmful to birds. /Also, /when we use too many
lights at night, we waste energy.
5. _________ makes a mess of our environment, /so people shouldn’t
throw it around.
3b Complete the sentences with the words and phrases in 3a. Then read them aloud, paying special attention to the pronunciation, liaison and pause.
water pollution
Air pollution
noise pollution
Light pollution
Litter
Light pollution is harmful to birds.
harm v. & n. 危害，伤害，损害
harmful adj. 有害的
e.g. It is harmful to animals.
= It does great harm to animals.
be harmful to = do harm to 对……有害
单项选择
( ) 1. There are ________ books in the shop. I don’t know
which one to choose.
A. too many B. too much
C. much too D. too
( ) 2. — Don’t smoke. It’s ________ to our health.
— Sorry, I won’t do it again.
A. harm B. harmful
C. harms D. harmed
( ) 3. He has a headache. He feels difficult ________.
A. breathe B. breath
C. to breathe D. to breath
A
B
C
单项选择
( ) 4. She is so noisy that I can’t ________ her.
A. see B. know
C. bear D. understand
( ) 5. —How long have you ________ this
— For a week.
A. liked B. been
C. been like D. like
( ) 6. If you are always ________, it will be bad for your health.
A. in a good mood B. in a bad mood
C. in good health D. in need
C
C
B
1. Use the correct stress, pronunciation, liaison and
pause while reading aloud.
2. Know the differences between Simple Past
and Present perfect.
I’ve got a pain in my throat.
Pollution has caused too many problems.
1. Some words:
breathe, pain, produce, chest, awful, bear, breath,
soil, harmful
2. Some phrases:
have got a pain in…, be harmful to, too many,
too much
3. Some sentences:
(1)How long have you been like this
(2) What’s worse, the factory makes too much noise.
Homework
1. Read 1a.
2. Read 3a and 3b, paying attention to
the stress, pronunciation, liaison
and pause.
3. Finish Section B in your workbook.
4. Preview Section C.
Thank you.
