Unit 13 We’re trying to save the earth! Section A （1a-2d）课件（共24张PPT）+内嵌音视频

(共24张PPT)
Unit 13
We're trying to save the earth!
Section A
(1a—2d)
教学目标：
1.能听、说、读、写以下词汇及词组：litter, bottom, fisherman, coal, public, ugly, advantage, cost, wooden, plastic, the bottom of, make a difference .....
2.能听懂关于环境污染和环境保护的听力材料.
3.通过谈论环境污染，学生能培养自己的环保意识.
教学重难点：
能正确运用现在进行时态，used to结构，现在完成时态， 被动语态和情态动词谈论环境污染和环境保护.
Endangered
animals
Natural
disasters
Pollution
The world's problems
air pollution
noise pollution
water pollution
land pollution
How do you feel?
Saving endangered animals is one
thing we can do for our world.
What else can we do to help save
the planet?
try to use the public transportation
recycle books and paper
turn off the light when you leave a room
turn off the shower while you are washing your hair
loud music
cars
rubbish
planes
littering
ships
factories
smoking
building houses
mobile phones
1a
Here are some words related to different
kinds of pollution. Write them in the box
below. Then add more words.
noise pollution
______________
______________
______________
______________
air pollution
______________
______________
______________
______________
water pollution
______________
______________
______________
______________
loud music; cars; building house; ships; planes
smoking; factories
factories; rubbish; littering
1b
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
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

Mark: The river was dirty. Even the bottom of
the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are littering in the
river.
Tony: Everyone in this town should play a
part in cleaning it up!
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.
1c
2a
Listen to the interview. Circle the kinds of pollution that Jason and
Susan talk about.



A. land pollution
B. air pollution
C. noise pollution
D. water pollution



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.
3. There is also too much rubbish and waste. People ___________________things every day.
4. People are also littering in____________ like parks. This turns beautiful parks into ugly places.
more cars
pollute
are throwing away
public places
2b
complete the sentences.

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 ......
Role-play
1. Role play the conversation in groups;
2. Role play the conversation in front of the class


Let’s see which group does the best.
2d
01
02
YOUR TITLE

Role-play the conversation.
2d
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?
点击请替换文字内容
请替换文字内容，添加相关标题，修改文字内容，也可以直接复制你的内容到此。

Susan: Mmm, I think simple things like bringing
a bag to go shopping can help. I started
doing that a year ago.
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 a better
future!
骑自行车
骑自行车有别的好处。
对......有益
垃圾污染
去购物
开始做某事
记得要把垃圾扔进垃圾桶
保持公共场所的整洁和美丽
对......有影响、有作用
通向美好未来
ride the bike
There are other advantages of bike riding.
be good for
waste pollution
go shopping
start doing
remember to throw rubbish in the bins
keep public places clean and beatiful
make a difference to sb.
lead to a better future







2012
2014
2013
2015


文本内容文本内容

文本内容文本内容


Explaining:
spend/pay/cost/take
spend
sb. spend time/money on sth. 某人在某事上花费时间/金钱；sb. spend time/money (in) doing sth. 某人花费时间/金钱做某事
pay sb. pay some money for sth. 某人为某物而付款；sb. pay for sth. 某人为某物付钱，赔偿
cost sth. cost (sb.) some money 某物花费(某人)多少钱;
sth. cost some money 某物值多少钱
take it takes sb. some time to do sth. 某人花费多长时间做某事

【拓展】take, cost, spend和pay在一定条件下可相互转换：
The pen cost me three yuan.
＝I spent three yuan on the pen.
＝I paid three yuan for the pen.
这支钢笔花了我三元钱。
【拓展】take和spend在一定条件下可相互转换：
I spent 3 days finishing reading the book.
＝It took me 3 days to finish reading the book.
读完这本书花了我三天时间。
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.
4. You should __________? some time practising your pronunciation.
5. My brother _______?6, 000 yuan for the new computer yesterday.
cost??
spent?
takes
根据句意用take, spend, pay或
cost的适当形式填空。
spend
paid
Checking:
Make a poster!
The air and land are badly polluted. Please make a poster and think of what we can do.
Save the earth!
THANKS
This PowerPoint applies to business summary, work report