(共50张PPT)
Section A
1a-2d
Objectives
To learn the new words: litter, bottom, coal, ugly, cost, wooden, plastic, takeaway, bin
To learn the phrases:
To master: We're trying to save the earth!
The river used to be so clean.
The air is badly polluted.
To review some tenses such as the present continuous tense and the passive voice.
To learn to protect the environment.
litter
bottom
fisherman
coal
ugly
advantage
v. 乱扔 n. 垃圾；废弃物
n. 底部；最下部
n. 渔民；钓鱼的人
n. 煤；煤块
adj. 丑陋的；难看的
n. 优点；有利条件
New words
cost
wooden
plastic
takeaway
bin
v. 花费
adj. 木制的；木头的
n. 塑料；塑胶
n. 外卖食物
n. 垃圾桶
Lead-in
Which city would you like to live in
Tell the reason.
But, the earth is polluted.
The earth is polluted.
We're harming our planet in so many ways.
noise pollution
water pollution
air pollution
loud sound
car
plane
...
What caused these problems
factory
littering
ship
car
ship
factories
plane
How many kinds of pollution can you list
air pollution
Presentation
haze
The factories that burn coal pollute the air with a lot of black smoke.
How many kinds of pollution can you list
water pollution
Factories put waste into rivers.
How many kinds of pollution can you list
land pollution
People should throw away litter in the bin.
How many kinds of pollution can you list
noise pollution
There are more cars on the road.
How many kinds of pollution can you list
light pollution
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
1a
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
Listen and complete the sentences.
What was the problem
The river was _____________. Even the
bottom of the river was full of
_________. There were no more ______
for fishermen to catch.
really dirty
rubbish
fish
1b
What caused the problem
People are throwing _______ into the river.
Factories are putting ______ into the river.
How should the problem be solved
We should write to the ____________ and ask
them to ___________ the factories.
Everyone should help to __________ the river.
litter
waste
government
close down
clean up
听力原文
used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。
play a part in doing sth.
参与做某事; 在做某事上起作用
1c
Watch the video and role-play the conversation.
A: The river was so dirty. Even the bottom of the
river was full of rubbish.
B: But it used to be so clean!
A: Yes, but people are throwing litter into the
river.
B: Everyone in this town should play a part in
cleaning it up!
Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.
land pollution B. air pollution
C. noise pollution D. water pollution
2a
Listen again and complete the sentences.
1. The air is badly polluted because there are _________ on the road these days.
2. Factories that burn coal also ________ the air with a lot of black smoke.
more cars
pollute
2b
3. There is also too much rubbish and waste. People _________________ things every day.
4. People are also littering in ______________ like parks. This is turning beautiful places into
ugly (丑陋) ones.
are throwing away
public places
听力原文
听力原文
The air has become really polluted around here. I’m getting very worried.
Yes, I used to be able to see the stars in the sky.
The problem is that there’re more cars on the road these days.
And the factories that burn coal also pollute the air with a lot of black smoke.
Use the information in 2a and 2b to role-play conversations between Jason and Susan.
2c
Watch the video，what do they talk about
Read and answer the following questions.
1. What are the advantages of riding a bike
It can cut down air pollution; it’s good for health and it doesn’t cost anything.
2. When did Susan start bringing a bag to go shopping
A year ago.
2d
1. We should take _______ or _______ instead of driving.
2. We should also _______ ______ _____. It’s good for health!
3. Bring ___________ to go shopping.
4. Never take _________________ or __________ when buying takeaway food.
5. ______________ in the bins and keep public places clean and beautiful.
the bus
subway
ride
a
bike
a bag
wooden chopsticks
plastic forks
Throw rubbish
Read the dialogue in 2d and then fill in the blanks.
Role-play the conversation.
Which group is the best
Everyone can't do everything but everyone can do something.
We’re trying to save the earth!
try to do sth. 努力去做某事
1) You should try to remember everything.
你应该记住每件事。
2) Every student should try to study hard
for a bright future.
为了有一个美好的未来，每个学生都应该努力学习。
Language points
try n. 尝试 have a try 试一试
v. 尝试，努力，尽力
try out: 参加…的选拔, 尝试，实验
try on：试穿
Miss Wang, let me have a try. I may know the answer. 王老师，让我试试，我或许可以知道答案。
I would like to try out for the monitor. 我愿意参加那个班长的选拔。
Can I try the coat on 我可以试穿一下那件大衣吗？
2. Here are some words related to different kinds of pollution.
be related to 与…有关
1) I am not related to him in any way.
我和他无任何关系。
2) Is the topic related to what we are saying
这个话题是否与我们说的有关系？
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
1) A good diet plays a large part in helping people live longer.
健康的饮食在帮助人们长寿方面起着非常大的作用。
2) Computers have played an important part in our daily life.
电脑在我们日常生活中扮演着重要角色。
4. Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river.
litter & rubbish “垃圾”,不可数名词
rubbish 没用的东西(被扔或将要丢弃的无用的东西，不可回收)
litter (室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)(可回收)
1) Throw the rubbish out. 丢掉垃圾。
2) Pick up your litter after a picnic.
野餐后捡起你们的垃圾。
5. …, we should take the bus or subway instead of driving. 我们应该乘公共汽车或地铁而不是开车。
instead & instead of
instead adv. “代替；反而”，作状语。
instead of “代替；而不是”，后接名词、代词、
v.-ing形式、介词短语等。
选用instead或instead of填空。
1) We’ll have tea in the garden _________ in the house.
2) Give me the green one _________ the red one.
3) Her aunt stayed at home _________ swimming last Sunday.
4) I didn’t have a pen, so I used a pencil _______.
5) You’ll have to ask Zhang Li ___________ me.
instead of
instead of
instead of
instead
instead of
6. It’s good for health and it doesn’t cost anything!
它对健康有好处，而且不花一分钱！
cost v. (cost, cost) 花费；使付出，指花费金钱，主语通常是物。
1) 王先生花了200元买了件新衬衫。
The new shirt cost Mr. Wang 200 yuan.
2) 新电脑花了多少钱？
How much does the new computer cost
take, spend, cost & pay
take 花费时间, 常用于it takes sb. some time to do sth.这一句型中，其中it作形式主语
spend 花费时间和金钱，主语通常是人，常用搭配：spend … on sth. 和 spend … (in) doing sth.
pay 花费金钱，主语通常是人，常用搭配：pay for
cost 表示花费金钱或值（多少）钱，主语通常是物，常用搭配：sth. cost(s) (sb.) some money.
根据句意用take, spend, pay或cost的适当形 式填空。
1) That new car ________ them lots of money.
2) Mona ________ 50 yuan on the books just now.
3) It usually _______ me an hour to do my homework.
cost
spent
takes
4) You should ________ some time practising your pronunciation.
5) My brother _______ 3,000 yuan for the new bike yesterday.
spend
paid
7. So together, our actions can make a difference and lead to a better future!
因此，我们齐心协力就能带来变化，创造更加美好的未来！
1) make a difference (to…)
(对……)产生重大影响或作用
make no difference to 对……没有影响
make some difference to 对……有一些影响
e.g. It makes no difference whether you accept or refuse him.
The sea air has made some difference to her health.
根据汉语意思完成句子，每空一词。
1) 你是去是留对我都无所谓。
It doesn’t ________ ________ _________ to me whether you go or stay.
2) 学习驾驶时，若有一位好教练指导，效果则大不相同。
When you’re learning to drive, having a good teacher makes _______ ________ ________.
make any difference
a big difference
2) lead to 导致 (to为介词)
e.g. Eating too much sugar can lead to health problems.
lead sb. to ... 带领某人去……
e.g. His pet dog Lucky led us to his house just now.
根据汉语意思完成英语句子，每空一词。
1) 工作太多、休息太少常常导致疾病。
Too much work and too little rest often ______ _____ illness.
2) 昨天那个男孩带领他们去了那家超市。
The boy _____ _____ _____ the supermarket yesterday.
lead
led them to
to
1. Kate can‘t work out how much these things will ________.
2. He looked_______in appearance and they all laughed at him.
3. There used to be many_________living in
the village near the sea.
4. One of the rules is that we can't__________
in the museum.
5. Finally, Jenny bought a _________cup instead of a glass one.
ugly, litter, cost, plastic,fisherman
用方框中所给单词的适当形式完成句子。
cost
ugly
fishermen
litter
plastic
Exercises
翻译句子。
1. 在冬天，这里的人们烧煤来取暖。
People here burn coal to keep themselves warm in winter.
2. 为了有一个更好的未来，他每天努力地工作着。
He works hard every day for a better future.
3. 那个箱子的底部不结实了。
The bottom of the box is not strong enough.
4. 这个新的电视节目有优势吗？
Are there any advantages of the new TV program
5. 每一位队员在赢得这场比赛中都发挥了作用。
Each teammate played a part in winning the game.
Summary
1. Write a short passage about
how to protect our environment.
2. Preview the new words and expressions.
3. Preview the article on page 99.
Homework
1. Copy the new words and remember them.
2. Read the listening materials of 1b, 2a.
3. The earth is badly polluted. Please make a poster and think of what we can do.
