Unit 13 We're trying to save the earth Section A 1a-2c课件＋音频（共33张PPT）人教版九年级全册

(共33张PPT)
Unit 13
We're trying to save the earth!
Section A
1a-2c
litter v/n.
bottom n.
fisherman n.
coal n.
ugly adj.
advantage n.
cost v/n.
wooden adj.
plastic adj/n.
takeaway n.
bin n.
乱扔/垃圾；废弃物
底部；最下部
渔民；钓鱼的人
煤
丑陋的；难看的
优点；有利条件
花费；花费，价钱
木头的，木制的
塑料的；塑料，塑胶
外卖食物
垃圾箱
The factories that
burn coal pollute
the air with a lot of
black smoke.
n. 煤炭
air pollution
mobile phone pollution
rubbish waste
垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
There are more
cars on the road.
noise pollution
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
be related to与...有关
e.g. This unit is related to save the earth.这个单元和拯救地球有关。
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
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
The river was dirty. Even the bottom of the river was full of rubbish.
But it used to be so clean!
Role-play the conversation.
Yes, but people are throwing litter into the river.
Everyone in this town should play a part in cleaning it up!
Make conversations using the words in 1a.
The river …
Yes, …
But I was there last weekend and the river was really dirty.
What caused the problem
Factories are also putting waste into the river.
People are throwing litter into the river.
What should we do
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
What should we do to save the earth
Turn off the lights when you leave a room.
关掉
stop driving to take a bus
stop using paper towels or napkins
recycle books and paper
try to do sth
try doing sth
be related to
play a part in
litter & rubbish
throw into
remember to do sth
be full of
used to
be good for
Ⅰ. 根据句意及提示，补全句中所缺单词。
1. C can be used to produce electricity.
2. The new car c a lot of money, but it was certainly worth it.
3. There is a w bed, a table and two chairs in this small room.
4. It is a very clean city. You will hardly find l when you walk along the street.
Coal
cost
wooden/wood
litter
5. My uncle is a great f and he caught four fish this morning.
6. Some cups in the shop are nice and expensive and the others are u and cheap.
7. Living in this street has a lot of a . The only drawback (弊端) is noise.
fisherman
ugly
advantages
Ⅲ. 完成句子，每空一词。
1. 牛奶对孩子们的健康有好处。
Milk _________ _________ _________ children's health.
2. 辛迪，请记得帮我寄信。
Cindy, please _________ _________ _________ me send the letter.
3. 刚才乔重重地摔到楼梯下面。
Joe landed heavily _________ _________ _________ _______ the stairs just now.
is good for
remember to
help
at the
bottom of
1. Write a short passage about
how to protect our environment.
2. Preview the article on page 99.