Unit 2 Saving the Earth Topic 2 All these problems are very serious.B课件(共16张PPT)

(共16张PPT)
Unit 2 Saving the Earth
Topic 2 All these problems are very serious.
Section B
By the end of the class, you will be able to：
Master the following words, phrases and sentences:
Words： none, rubbish, wild, nobody, worst, situation, punish, everybody
Phrases: here and there, worst of all
Sentences: ①None of us likes pollution.
② Don’t spit anywhere in public.
③ Everyone should care for wild animals and plant more trees.
④We should do everything we can to protect the environment.
⑤ We shouldn’t leave rubbish here and there.
Look and say
What can you see in the pictures
air pollution
Talk in pairs after the example.
Example:
A: Do you know air pollution is a serious problem
B: Yes, I do. /No, I don’t.
A: What causes air pollution
B: The factories produces waste gas./…
A: What are the effects of air pollution
B: It is hard for people to breathe./…
A: What should/shouldn’t we do to protect the environment
B: As students, we should/shouldn’t…
1a Listen, look and say.
2
3
4
1
5
1b Listen to 1a and number the following pictures.
1. None of us likes pollution. 没人喜欢污染。
none pron. 没有一个， 毫无
none和no one 的区别：
No one 1)不与of连用；2)谓语动词用单数；3)只能指人，但不具体指什么人；4)一般用来回答who,及含anyone、anybody引起的疑问句。
None 1)可与of连用；2)谓语动词用单或复数；3)具体指什么人或物；
4)一般用来回答how many +n., how much +n.及含any +n.引起的疑问句。
4. But the government is doing something useful to protect the environment. 政府正在做一些有益的事情来保护环境。
3. We shouldn’t leave rubbish here and there.
我们不应该随处乱扔垃圾。
到处
rubbish n. 垃圾，废弃物
2. Everyone should care for wild animals and plant more trees .
每一个人都应该爱护野生动物，种更多的树。
wild adj. 野生的，野的
不定代词+形容词
1c Read 1a and complete the table.
Should do Shouldn’t do
1.____ ____ wild animals 2.plant _____ _______ 3.do ___________ we can 1. _______ rubbish here
and there
2. _______anywhere
in public
3. ________ on grass
4. pick _________
care for
more trees
everything
leave
spit
walk
flowers
thing body one where
some
any
every
no
Who can fill it quickly？
something
somebody
someone
somewhere
anything
anybody
anyone
anywhere
everything
everybody
everyone
everywhere
nothing
nobody
nowhere
no one
Dear Headmaster,
I’m writing to tell you _________important. Nobody likes to be untidy. However, some students throw waste paper and bottles ___________. We all need a quiet place to study, but some students often make too much noise at school. Worst of all, some of them are quite rude when talking to _______. __________________ knows their behavior is bad, but ______of us knows how to stop them.
I think we should make rules to change the situation. ________ who breaks the rules will be punished. Perhaps it will be hard for us to keep the rules in the beginning, but if __________________ does his or her best to follow the rules, our school environment will improve.
Sincerely,
Kangkang
Everyone/Everybody
none
everyone/everybody
Anyone
2 Listen to the letter and help Kangkang to complete it. Then read it aloud as accurately as possible.
others
everywhere
something
4 Discuss the following questions in groups and try to find the solutions.
1.Do you have any bad habits when you are at school What are they
___________________________________
2.How can you make your school look better
___________________________________
You can choose the phrases to use:
1. It says that … 2. as a result
3. something useful 4. None of …
5. here and there 6. care for
7. Worst of all 8. make rules
9. change the situation 10. Perhaps
11. obey the rules 12. do one’s best
Make a speech about protecting our environment.
Use everything, everyone, anywhere, something to fill in the blanks.
But the government is doing _________ useful to protect the environment.
____________ should care for wild animals and plant more trees.
Don’t spit _____________ in public.
We should do _________ we can to protect the environment.
something
Everyone
anywhere
everything
1. Memorize the useful expressions and key sentences which we learn today.
2. Preview Unit 2 Topic 2-Section C.