Unit 13 We’re trying to save the earth.SectiomA(1a-1c)(共38张PPT)

课件38张PPT。Unit 13
We're trying to save the earth!Section A 1
1a-1cThe earth is polluted.Lead-inHow many kinds of pollution do you know?air pollutionThe factories that
burn coal pollute
the air with a lot of
black smoke. n. 煤炭What caused the problem?Factories put waste into the river.water pollutionWhat caused the problem?mobile phone pollutionnoise pollutionThere are more
cars on the road.What caused the problem?People are throwing litter everywhere.People should throw away litter in the bin.n. 垃圾箱What caused the problem?What shoud people do?litter v. 乱扔
n.垃圾；废弃物New wordslittering 乱丢废弃物
litter 作不可数名词，意为“垃圾；废弃物”。
如：There were piles of litter on the streets.
街上有一堆一堆的废弃物。
There will be fines for people who drop litter .
乱扔垃圾的人将被罚款。litter 作及物动词，意为“把...弄得乱七八糟”。
如：Don't litter up the floor with scraps of paper.
别往地上乱丢纸屑。
It is antisocial to leave one's litter in public place. 在公共场所遗弃杂物是妨害公共利益的。litter 还可作不及物动词，意为“ 乱扔废弃物”。
如：Please don't litter. 请勿乱扔纸屑杂物。
Why do you always litter up the table with all these newspapers?
你为什么总是将报纸乱丢，把桌子弄得乱糟糟呢？litter和rubbish都可指“垃圾”，用作不可数名词。
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。
e.g. Throw the rubbish out.
把垃圾扔出去。　　The room is full of rubbish.
房间里堆满了垃圾。　　Pick up your litter after a picnic.
野餐后将废弃物收拾好。 bottom n.
底部；最下部fisherman n.
钓鱼的人1aHere 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 musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planes
littering ships factories smoking
building houses mobile phones1bListen and complete the sentences.really dirtyrubbishfishlitterwastegovernmentclose downclean upListen again and check (√) the sentences you hear.1. We could go fishing in the river.
2. The river was really dirty.
3. The river has always been the nicest
river in this town.
4. We should ask the teachers for help.√√1cRole-play the conversationThe 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!PracticeMake conversations using the pollution in 1a.The river has always been the nicest river in this town.Yes, it used to be so clean.What caused the problem?But I was there last weekend and the river was really dirty.Factories are also putting waste into the river.People are throwing litter into the river.What should we do?Yes, everyone in this town should play a part.We should write to the government and ask them to close down the factories.What else can we do?Everyone should help to clean up the river.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。
e.g. 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。Language points2. Here are some words related to different kinds of pollution.
be related to 与…有关
e.g.?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
e.g. 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。play a part 在……中扮演角色
e.g. He was invited to play a part in this TV
play.
他被邀请参加这个电视剧的演出。1. The street _____ ______ _____ (充满了)
rubbish.
2. __________ (litter) causes pollution.
3. Factories are putting ____________ (pollute) water into the river.is full ofLitteringpolluted4. The city _________ _______ (过去) be
so clean.
5. We should play a part in _________
(clean) the city up.
6. There _______ _____ _____ (过去有) so
many trees on the hills.used to cleaningused to be7. 根据汉语意思完成句子。
不要将房间弄得乱糟糟的。
_______ _______ ______ the room.
8. She painted herself thick and ______.
A. ugly B. uglify
C. uglily D. uglinessDon't litter upA完成课后作业。 书到用时方恨少，事非经过不知难。
—陆游
Thank You!