Unit 13 We're trying to save the earth! Section A 1a-2d听说课件(共有PPT30张，含音频）

(共30张PPT)
We’re trying to save the earth!
Unit13 Section A 1a-2d
学习目标
通过采访活动，能够组织听力中的信息，运用used to、被动语态、一般现在时、现在完成时、一般过去时描述环境问题，提升口语交际的能力。
通过听力活动，能够应用抓取关键信息的策略，提升听力能力。
通过小组活动，能够总结环境问题及其原因并提出简单的建议，提升对人与自然关系的认识。
Let’s see and answer the questions.
1.What was the problem
There was ________________
2.What caused it What are people doing
People are __________________
____________________________
3.How did it use to be
It used to be _________________
4.How should the problem be solved
We should ________________
Noise pollution
Reason 1
too much noise.
driving cars and using
other transportation.
very quiet and natural.
stop making noise.
Let’s see and answer the questions.
1.What was the problem
There was …
2.What caused it What are people doing
People are …
3.How did it use to be
It used to be …
4.How should the problem be solved
We should …
Air pollution
Reason 2
Let’s see and answer the questions.
1.What was the problem
There was …
2.What caused it What are people doing
People are …
3.How did it use to be
It used to be …
4.How should the problem be solved
We should …
Water pollution
Reason 3
Let’s see and answer the questions.
1.What was the problem
There was …
2.What caused it What are people doing
People are …
3.How did it use to be
It used to be …
4.How should the problem be solved
We should …
Waste pollution
Reason 3
Let’s see and answer the questions.
1.What was the problem
There was …
2.What caused it What are people doing
People are …
3.How did it use to be
It used to be …
4.How should the problem be solved
We should …
Land pollution
Reason 3
Problems: What was the problem The river was ___________.Even the bottom([ b t m]) of the river was full of _________. There were no more _____ for fishermen ([ f m n]) to catch.
Reasons: What caused the problem People are throwing ____________into the river.
Factories are putting ______ into the river.
Things to Help: How should the problem be solved We should write to the ___________ and ask them to ____________ the factories. Everyone should help to
________ the river.
Let’s listen and fill in the blanks.
1b
策略：听前标注关键词，判断空词词性，预测听力内容。
really dirty
adj./pron.
n.
rubbish
n.
fish
n.
litter [ l t (r)]
n.
waste
n.
government
v.
close down
v.
clean up
Tony
Alan
What was the problem
What caused it
How did it use to be
How should the problem be solved
...
Let’s talk.
Let’s listen and choose the right answers.
2a
2b
策略：听前关注题干中的关键词，判断其逻辑关系，预测听力内容。
1. Which pollution is NOT mentioned
A. Land pollution. B. Air pollution. C. Noise pollution.
2. Why is the air badly polluted Because_______.
A. there were more cars on the road these days
B. factories that burned coal[k l] stop polluting the air with a lot of black smoke
C. people can hardly ever see blue skies and stars anymore
3. How are people turning beautiful places into ugly[ ɡli] ones People are _______
A. throwing away things like wooden[ w dn] chopsticks, plastic[ pl st k] bowls and plastic bags.
B. littering in public, like homes.
C. collecting too much rubbish and waste.
Let’s report.
Work in groups and describe the problems of land pollution and air pollution.
Let’s listen and fill in the blanks.
2d
Air Pollution Waste Pollution
Things to help We should take the _______ or _______ instead of driving. Besides, we are also supposed to _______ a bike. Bring a bag to go __________. Never take _______ chopsticks or_______ forks when buying _____________________ food. Last but not least, it’s also important to _______ rubbish in the bins[b nz] and keep public places_______ and beautiful.
In a word, everyone should play a part in cleaning it up. Then, our actions can make a _________ and lead to a better future.
策略：听前标注关键词，判断空词词性，预测听力内容。
bus
subway
ride
shopping
wooden
plastic
takeaway [ te k we ]
throw
clean
difference
n.
n.
v.
doing
adj.
adj.
adj./n.
v.
adj.
n.
Alan: As you say, the problem is really serious.
What should we do to help Could you give us more ideas
Jason: ...
Alan: How should the problem be solved
Susan: ...
Let’s interview.
Let’s discuss and create.
Choose one topic to discuss. Topic land pollution,
waste pollution and air pollution,
or other kinds of pollution
Contents problems, reasons, things to help
Make a poster and a report to call on more people to save the earth! Let’s check.
评价内容 1 2 3 4 5
能够应用抓取关键信息的策略，提升听力能力。
能够组织听力中的和已有的知识，提升口语交际的能力。
能够总结环境问题及其原因并提出简单的建议，提升对人与自然关系的认识。
litter [ l t (r)]
Let’s study.
中
作名词，不可数名词，“垃圾”
例
People are throwing litter into the river.
拓
类似表示“垃圾”的词还有trash, garbage和rubbish。
例
People are also littering in public places like parks.
中
动词，意为“扔垃圾”。
Let’s practice.
练
__________ (litter) causes pollution.
Littering
advantage [ d vɑ nt d ]
Let’s study.
中
n. 优点；有利条件
例
What are the advantages and disadvantages of WeChat
中
你应该好好利用这个机会。
例
You should take advantage of this great opportunity.
cost [k st]
Let’s study.
中
v. cost-cost-cost 花费
例
The cost of living continues to rise.
中
n. 花费；价钱；成本
Let’s practice.
I _______the book _______ ten yuan.
I ______ten yuan ________the book.
I ______ten yuan ________ the book.
The book cost me ten yuan. (提问)
_______ _______ _______the book cost you
[2018青岛] Usually taking a taxi _______ more than taking a bus. (cost)
练
bought
for
paid
for
spent
on
How
much
did
costs
play a part in
Let’s study.
中
“在(做)……方面起作用”
例
Everyone in this town should play a part in cleaning it up!
例
A good diet plays a large part in helping people live longer.
例
He was invited to play a part in this TV play.
中
“在……中扮演角色”
We are trying to save the earth.
Let’s study.
中
try to do sth.“努力或设法做某事”
try not to do sth.“努力或尽力不去做某事”
例
I’m trying to work out the math problem.
例
Please try not to be late again.
We are trying to save the earth.
Let’s study.
拓
try相关的短语
try on试穿　try out尝试；试验 have a try试一下
try doing sth. 试着做某事
try one’s best to do sth.尽某人最大的努力做某事
instead[ n sted] of
Let’s study.
中
代替；反而
例
Jim didn’t buy himself anything. Instead, he bought his mother a scarf.
At last, I decided to cook at home instead of eating outside.
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. (P97)
1b
loud music cars rubbish planes littering ships factories smoking building houses mobile phones
Noise pollution
Air pollution
Water pollution
loud music, planes, building houses,
mobile phones (machines, crowds, vehicles)
cars, factories, smoking, building houses
(power plants, nuclear disposal)
rubbish, littering, ships, factories (sewage, industrial waste, pesticides)
Listen again and complete the sentences. (P98)
2b
The air is badly polluted because there are __________ on the road these days.
Factories that burn coal also _______ the air with a lot of black smoke.
There is also too much rubbish and waste. People ________________ things every day.
People are also littering in ____________ like parks. This is turning beautiful places into ugly ones.
more cars
pollute
are throwing away
public places
Water pollution
You can know more from interesting videos.
Air pollution
You can know more from interesting videos.
Noise pollution
You can know more from interesting videos.
Homework
写至少5句话描述一种污染的相关信息。
阅读相关文章，掌握更多知识。
查找环境污染和濒危动物之间关系的信息。