Unit 13 We're trying to save the earth Section A (2a-2d)课件+内嵌音频

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Unit 13
We’re trying to save the earth.
Section A (2a-2d)
Learning aims:
1.Practice listening using the target language
2.Practice listening for specific items in conversation
3.Use the target language in conversations.
4.Use the target language in a controlled manners.
Listen to the interview. Circle the kinds of pollution that Jason
and Susan talk about.
2a
A.land pollution B.air pollution
C. noise pollution D.water pollution
2b
Listen again and complete the sentences.
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
polluted
2b
Listen again and complete the sentences.
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
2c
Use the information in 2a and 2b to role-play
conversations between Jason and Susan.
Jason: The air has become really polluted
around here. I’m getting very
worried.
Susan: Yes, I used to be able to see stars
in the sky.
Jason: The problem is that ...
2d
Role-play the conversation.
Interviewer: Jason and Susan, what are your ideas for solving these
problems
Jason: Well, to cut down air pollution, we should take the bus or
subway instead of driving.
Susan: Yeah, or ride a bike. There are other advantages of bike
riding . It’s good for health and it doesn’t cost anything!
Interviewer: Great ideas! What about waste pollution
Susan: Mmm, I think simple things like bringing a bag to go
shopping can help. I started doing that a year ago.
2d
Role-play the conversation.
Jason: Me, too. Also, I never take wooden chopsticks or plastic forks
when I buy takeaway food. I use the ones at home.
Susan: And remember to throw rubbish in the bins and keep public
places clean and beautiful for everyone.
Interviewer: So together, our actions can make a difference and lead
to better future!
turn ... into...为固定短语，意为.把....变成.....
例: I can turn the liquid into the gas.
我能把液体变成气体。
Language points
turn into 既指形式上的改变，
也表示状态上本质的改变
change into更强调外在形式上的改变
例: Water turns into ice.水变成冰。
He changed into the working clothes.
他换上了工作服。
Language points
be able to强调通过努力而获得的能力，
有人称和数的变化,可用于多种时态,
在shall, will后面要用be able to,与can
不能重叠使用
can强调自身已具有的能力，
没有人称和数的变化,
只用于现在时和过去时中;
can的过去式为could
(甘肃白银中考) Finish your homework first, then you’ll watch
TV for an hour.
Can B. be able to C. able D. could
解析: will 后面用be able to,表示“可以， 能够”。
can 只用于现在时和过去时两种时态。故选B。
Language points
solve此处为及物动词,意为“解决" ,
其宾语常为problem.
同义短语为work out。
例: Tell me how to solve the problem.
告诉我如何解决这个问题。
Language points
Language points
Well, to cut down air pollution,
we should take the bus or subway instead of driving.
to cut down air pollution在句作目的状语。
动词不定式(短语)在句中作目的状语时，
既可放在句首，也可放在句末，意为“为了...”
Language points
instead of介词短语，后接名词、代词或动词-ing形式等作宾语，
否定of后的内容
instead副词，意为"代替;相反",常位于句首或句末作状语，
肯定instead所在句的内容
Language points
例: They will go on a vacation by plane instead of by train.
他们将乘飞机去度假，而不是坐火车。
He didn't play basketball yesterday. He went swimming instead.
他昨天没打篮球，而是去游泳了。
Language points
advantage可数名词，意为”优点;有利条件”。
其反义词为disadvantage, 意为”劣势，不利条件"。
例: What is the advantage of using nuclear power
使用核能的优点是什么
Language points
与advantage与有关的短语:
take advantage of 利用
be of advantage to ...
对……有利
have advantage over优于，胜过
Language points
be good for.....有益"，后接表示人或事物的名词
be good at"擅长，善于”，后接名词、代词或动名词
be good to.....好(和善、慈爱)",后常接表示人或人格化的名词
Language points
例: Reading in the morning is good for your English study.
晨读对你的英语学习有好处。
My father and mother are both good at swimming.
我的父亲和母亲都擅长游泳。
All my teachers are good to me in my new school.
在新学校所有的老师对我都很好。
Language points
go+动词-ing形式‘表示去做某事”，
常用于表达从事某一体育运动或休闲活动。
例: go skateboarding去滑滑板
go bike riding去骑自行车
go camping野营
go surfing去冲浪
go climbing去爬山
go skating去滑冰
Thank you!