课件20张PPT。Unit 13
We’re trying to save the earth!Objectives1. To know how to protect our earth
2. To learn to use some words and expressions
stop riding in cars
recycle books and paper
turn off the lights Free talk
What’s the difference?used to... but nowWhat’s the difference?What made our earth ugly?
pollutionBecause of the pollution, we can't see ___________(蓝天)and we can't breathe ____________.(新鲜的空气)the blue skythe fresh airBecause of the pollution, ____________________________. (水不再清)the water isn't clean anymoreBecause of the pollution, many animals were killed.
Because of the pollution, _____________ animals don’t have places to live in.more and more越来越How many kinds of pollution
do you know?noise pollutionwater pollutionair pollutionland pollutionWhat kinds of pollution do these pictures show?noise pollution cars What caused the pollution? loud musicbuilding housesmobile phonesplanesair pollutionsmokingWhat caused the pollution? carsfactorieswater pollutionfactoriesWhat caused the pollution? rubbishlitter1aWhat can we do to help save the earth? Rank these items from the easiest (1) to the most difficult (5). (P100)_____ stop riding in cars
_____ recycle books and paper
_____ turn off the lights when you
leave a room
_____ turn off the shower while you
are washing your hair
_____ don’t use paper napkinsPair work1eMake a conversation using the information from the chart above. Say what is true for you.A: We really shouldn’t use paper napkins, you know.
B: I know. I stopped using them last year.stop doing sth. 停止做...
(停下正在做的事) stop to do sth. 停下去做另外一件事 Role-play1. Role play the conversation in groups;
2. Role play the conversation in front of the classLet’s see which group does the best.Do a researchMake a list of things that your partners usually do in daily life to protect the earth. Then show us the list you have made.选择合适的单词, 并用其正确形式填空。
build, make, pull, pollute, recycle
1. This bridge _________ in 1968.
2. Look! That monkey _________ a toy car. How funny!
3. Books, plastics, glass and so on can be collected for _________.
4. This wine ________ from grapes.
5. People should stop ________ our nature.was builtis pullingrecyclingis madepolluting Review the new words and expressions you’ve learned today.
Homework