Endangered
animals
Natural
disasters
Pollution
Saving endanger
ed animals is one
thing we can do for ou
r world.
What else can w
e do to help sa
ve
the planet?
try to use the public
transportation
recycle books and paperturn off the light when you
leave a roomturn 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 mare words.
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
Noise pollution:
loud music, planes, building houses,
mobile phones (machines, crowds, vehicles)
Air pollution:
cars, factories, smoking, building houses
(burning, power plants, nuclear disposal)
Water pollution:
rubbish, littering, ships, factories (sewage,
industrial waste, pesticides)
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.
•What caused the problem?
People are throwing ________ into the river.
Factories are polluting ______ 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.
really dirty
rubbish
fish
litter
waste
government
close down
clean up
1c Role-play the conversation. Then make
your own conversations about the kinds
of pollution in 1a.
The air was
polluted. The
heavy smoke
flew to the air.
But, it used to
be clean and
clear.
Yes, but factories
pr d c lots of
waste gas
everyday.
Everyone in the
town should play
a part in clean it
up.
A: The river was dirty. Even the
bottom of the river is full of rubbish.
B: But it used to be so clean.
A: Yes, but people are littering in the
river.
B: Everyone in the town should play a
part in cleaning it up.
1.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
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。
4. Even the bottom of the river was full of
rubbish.
Yes, but people are throwing litter into
the river.
litter 和 rubbish :“垃圾”，不可数名词
rubbish 指“没用的东西(被扔或将要丢弃
的无用的东西)”不可回收
litter 指“(室内或公共场所)乱扔的废物
(纸屑、不要的包装纸、废瓶等)”还可回
收Throw the rubbish out.
Pick up your litter after a picnic.
随堂练习
Translate the following phrases:
对…有害
买得起…..
在……中起作用
过去常常
解决问题
起作用
听说
在……顶部
在……底部
切下，割下
Be harmful to
Afford sth
Play a part in
Used to do
Solve problems
Make a difference
At the top of
At the bottom of
Cut off
1. try to do =try one’s best to do
2. be related to
3. play a part in
4. litter & rubbish
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