(共26张PPT)
Unit 13
We're trying to save the earth!
litter
bottom
fisherman/fishermen
coal
ugly/uglier-ugliest
advantage
cost-cost-cost
wooden
plastic
takeaway
1.乱扔/垃圾，废弃物
2. 底部；最下部
3. 渔民；钓鱼的人
4.煤；煤块
5.丑陋的；难看的
6. 优点；有利条件
7. 花费
8. 木制的；木头的
9.塑料；塑胶
10. 外卖食物
复习巩固，预习检测
bin
shark
fin
cruel
be harmful to
at the top of…
chain
the food chain
ecosystem
industry
1.垃圾箱
2. 鲨鱼
3. 鳍
4.残酷的，残忍的
5.对…有害
6. 在…顶部或顶端
7. 链子，链条
8. 食物链
9.生态系统
10. 工业，行业
复习巩固，预习检测
law
scientific
take part in
afford
turn off
reusable
pay for
take action
transportation
recycle
1.法律，法规
2. 科学的
3. 参加
4.承担得起，买得起
5.关掉
6. 可重复使用的
7. 付费，付出代价
8. 采取行动
9.运输业，交通运输
10. 回收利用，再利用
复习巩固，预习检测
napkin
throw away/threw-thrown
put sth to good use
pull…down
upside
gate
bottle
president
inspiration
iron
1.餐巾，餐巾纸
2. 扔掉，抛弃
3. 好好利用某物
4.拆下，摧毁
5.上下颠倒，倒转
6. 大门
7. 瓶子
8. 主席，总统，负责人
9.灵感，鼓舞人心的人
10.铁
复习巩固，预习检测
work
metal
bring back
creativity
1.（音乐 ，艺术）作品
2. 金属
3. 恢复，使想起，归还
4.创造力
复习巩固，预习检测
The earth is badly polluted.
创设情境，感悟新知
air pollution
The factories that
burn coal pollute
the air with a lot of
black smoke.
Factories put waste into the river.
mobile phone pollution
litter
People should throw away litter in the bin.
n. 垃圾箱
noise pollution
There are more
cars on the road.
How do you feel?
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
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
1b
Listen and complete the sentences.
What was the problem?
The river was _____________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) to catch.
really dirty
rubbish
fish
听说结合，句型操练
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
1b
句型操练，拓展提升
1.Problems：The river was __（真的很脏）. Even _______（河的底部充满垃圾）. There were no more ____ (没有更多鱼供渔民们捕捞).
2.Reasons：*人们正把垃圾扔进河里。
*工厂正把废弃物放入河里。
3.Solutions:We should ____(给政府写信)and ask ___（要求他们关闭这些工厂）. _____（每个人都应该帮忙清理河流）.
2a
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
2b
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
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
2b
句型操练，拓展提升
Jason and Susan are talking about____(环境问题)
1. The air ___(被严重污染) because ___(现在马路上有更多汽车) .
2. ___(烧煤的工厂) also ____the air __a lot of black smoke.
3. ____(街道上有太多垃圾和废弃物). People are___（扔掉）things like __(木质筷子，塑料碗和塑料袋)every day.
4. People are also__( litter) ____(在公共场所) like parks. This is__(turn) beautiful places __(变成) __ (丑陋) ones.
Jason and Susan are talking about ideas for ___(解决)
pollution. —(减少) air pollution , we should take the bus or subway or ride a bike instead of __(drive).There are other___(优点)of bike riding . It is ___(对健康有好处)and
it __(不花费) anything . Simple things like___(bring)a bag to
go shopping can help .We shouldn’t take___(木质筷子)or__
(塑料叉子)when we buy___(外卖食物).We should remember
___(把垃圾扔到垃圾箱里) and ___(保持公共场所干净美丽).
our actions can__(起作用) and___(通向更好的未来).
Language points
1.减少空气污染
2.乘公交车或地铁
而不是开车
3.---的优点
4.对健康有好处
5.木筷子
6、塑料叉子
1.cut down air pollution
2.take the bus or subway
instead of driving
3.the advantages of
4.be good for health
5.wooden chopsticks
6.plastic forks
7.记得把垃圾
扔到垃圾箱
8.保持公共场所
干净和漂亮
9.对…产生影响和作用
10.通往更美好等的未来
7.remember to throw
rubbish in the bins
8.keep public places
clean and beautiful
9.make a difference
10.lead to a better future
1.不同种类的污染
2.噪音污染
3.甚至河底充满垃圾。
4.给政府写信
5.要求他们关闭工厂
6.在…方面起作用
7.在清理它方面起作用
8.被严重污染
9.扔掉
10.把…变成…
1.different kinds of pollution
2.Noise pollution
3.Even the bottom of the river was full of rubbish.
4.Write to the government
5.Ask them to close down the factories 6.Play a part in
7.Play a part in cleaning it up
8.be badly polluted
9.Throw away 10.Turn …into…
Unit13section A1a-2d重点总结
(共31张PPT)
Unit 13
We're trying to save the earth!
litter
bottom
fisherman
coal
ugly
advantage
cost
wooden
plastic
takeaway
bin
v. 乱扔
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
v. 花费
adj. 木制的；木头的
n. 塑料；塑胶
n. 外卖食物
n. 垃圾桶
复习巩固，预习检测
To talk about pollution and environment protection
To learn to use the sentence pattern
used to...but now
should do sth.
问题引领，明确目标
The earth is polluted.
创设情境，感悟新知
air pollution
The factories that
burn coal pollute
the air with a lot of
black smoke.
n. 煤炭
Factories put waste into the river.
water pollution
mobile phone pollution
litter v. 乱扔
n. 垃圾
rubbish waste
垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution
There are more
cars on the road.
How do you feel?
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
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
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
1b
Listen and complete the sentences.
What was the problem?
The river was _____________. Even the
bottom (底部) of the river was full of
_________. There were no more ______
for fishermen (渔民) to catch.
really dirty
rubbish
fish
听说结合，句型操练
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
1c
Role-play the conversation
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
The air was polluted. The heavy smoke flew to the air.
But, it used to be clean and clear.
Yes, but factories produced lots of waste gas everyday.
Everyone in the town should play a part in clean it up.
2a
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
2b
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
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
How to cut down air pollution?
Read the dialogue in 2d, then answer the questions below.
We should ride a bike, take the bus or subway instead of driving.
It’s good for health and it costs nothing.
Bring a bag to go shopping. Don’t use wooden chopsticks or plastic forks. Throw rubbish in the bins, etc.
2. What are other advantages of bike riding?
3. How to solve the waste pollution?
Read and try to retell the conversations in 3 minutes.
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
Jason and Susan are talking about how to solve pollution. To cut down air pollution, we should _______________________________ _______________. Bike riding ___________
______ and it doesn’t _____________. As for waste pollution, Susan thinks simple things like ___________________________ can help. Jason never ____________________________ _____________ when he buys takeaway food. Susan suggests that we should ____________ in the bins and keep pubic places clean.
ride a bike, take the bus or subway
instead of driving
is good for
health
cost anything
bringing a bag to go shopping
takes wooden chopsticks or
plastic forks
throw rubbish
We’re trying to save the earth!
我们正在竭尽全力拯救地球!
try to do =try one’s best to do
努力去做某事
Language points
Every student should try to study hard in order to study in a university.
为了进入大学学习，每个学生都应该努力学习。
2. Here are some words related to different kinds of pollution.
be related to 与…有关
I am not related to him in any way.
我和他无任何关系。
3. Everyone in this town should play a part in cleaning it up!
play a part in 在……方面起作用
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。
Review
try to do =try one’s best to do
be related to
play a part in
litter & rubbish
1. Write a short passage about
how to protect our environment.
2. Preview the new words and expressions.
3. Preview the article on page 59.
Homework
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