课件25张PPT。Unit 13
We're trying to save the earth!Section A
1a-2bHow do you feel about it?
shocked(震惊的)
What did the video want to tell us?The earth is crying!Why is the earth crying?
Pollution Then, what caused pollution? planes shipssmoking factoriesdangerous gas(气体) air pollutioncarsnoise pollutionmobile phonesbuilding houseloud music water pollution
waste water rubbishThe problemsAir PollutionNoise PollutionWater Pollution
.
. take
action
right now!But what can we do to save the earth?
Tony wants to go swimming.Can he go?1bListen and complete the sentences.really dirtyrubbishfishwater pollutionlitterwastegovernmentclose downclean upListen to the interview. Circle the kinds of pollution that Jason and Susan talk about.2aA. land pollution B. air pollution
C. noise pollution D. water pollution1. 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.
3. There is also too much rubbish and waste. People ___________________things every day.
4. People are also littering in____________ like parks. This turns beautiful
parks into ugly places.more carspolluteare throwing awaypublic places Listen again and complete the sentences. 2bActivity
Can you help Jason and Susan think of some ways to reduce the pollution they mentioned? We can take the bus or subway instead of drivingWe can also ride a bike.We can take our own bag when we go shopping.We can ask the government to close down the factories.We can call on people to throw litter in the bin.We can plant more trees.1.There _______ a clean river in front of our house, but it is filled with rubbish no
A. used to have B. used to having
C. used to being D. used to be
2. You should ____ if you find litter on the floor.
A. clean up it B. clean up them
C. clean it up D. clean them up
3. Although Jason loves KFC, he tries _______ it
too often.
A. to eat B. not eat C. to not eat D. not to eat
4. look! The students ______ rubbish in the bins.
A. are throwing B. threw C. have throwing D. will throw
Summary
pollution: air pollution,
water pollution, noise pollution. protect the earth from now on.HomeworkFinish the exercises.
Preview2d and 3a. Thank you for listening!
