外研版必修3 Module 4 Sandstorms in Asia P1 Warming up（共34张PPT）

课件34张PPT。M4Sandstorms
in AsiaWe’ve learned about many natural disasters in module 3. Do you remember them? earthquakefloodtornadolighteningAppreciation of the song Heal the WorldObjectivesTo learn about sandstorms in Asia
To learn what cause the sandstorm
To learn how to prevent the sandstormBeautiful landscape!But one day something happened.How horrible!
1. What happened in these pictures?
2. How about the sky?
3. Why do they wear masks?DiscussionThe sky is yellow and it is difficult for us to see things clearly Huang Xiaomei , who lives in Beijing says, “To be cycling in a sandstorm is frightening. The winds are very strong. It’s difficult to breathe and the dust makes me ill. So if you want to go out, you’d better wear a mask.”
——Huang Xiaomei
生活在北京的黄晓梅说，“在沙尘暴中骑自行车真可怕，呼吸起来很困难，并且沙尘使我感到不舒服。所以如果你想出去你最好戴上口罩。How frightening (吓人的，可怕的)!What natural disaster is it? It is a sandstorm（沙尘暴）. cycle/wear/maskThe sand almost buries the house.Look at the picture below and complete the sentences using the correct form of these words. There has been a _________. It_____ ______ for ten hours and was very __________. The wind ___________ the sand high around the houses, and some cars were almost completely ______ by the sand. sandstorm lastedfrighteningwas blowingburied blow bury frightening
last (v) sandstormhasACBInner Mongolia GansuXinjiangmajor sandstorm centers in ChinaGansu and Western Inner MongoliaBeijing and Northeast Inner MongoliaInner Mongolia sees many sandstorms
every year. It is far away from the sea, so it is an inland（内地的） region.Cause:
1. Cutting down too many trees;
2. Desertification (沙漠化);
3. High temperature and little rain;
4. Serious air and water pollution;
5. The growing population of the world;
6. Improper use of land… In your opinion what caused the sandstorm? DiscussionMeasures:
1. We should plant more trees and grow
more grass.
2. Control air and water pollution.
3. Build green fences along the desert.
4. Forecast sandstorm’s real time to
prevent disaster.
5. All countries should join hands to
propose a plan in sandstorms control
and prevention.What should we do to prevent sandstorm?The day before yesterdayYesterdayTodayLook at these pictures. Now work in pairs. Discuss what we should do to protect our environment.Useful words and expressions:
throw the rubbish into dustbins
(将垃圾扔进垃圾桶); cut down trees(砍树);
pour waste water into …(把废水倒入……)
save (节约); plastic bags (塑料袋); dig up
grass (破坏植被); plant more trees;
recycle useful rubbish (回收有用垃圾) …What can we do to protect our environment?Plant more trees and grow more grassReduce air pollution, live a low carbon dioxide life (低碳生活)Put different garbage into different bagsRecycle useful rubbishUse some new energy, such as wind, water
and sunUse fewer plastic bags.
Take the bus or walk instead of driving cars.
Don’t eat too much meat.
Don’t use disposable chopsticks.Other suggestions on protecting our environment:For example:
Good morning, everyone:
I’m glad to stand here to make a speech. My topic is how to protect our environment.
In my opinion, firstly, we can plant more trees…Make a speechHomeworkPreview the part of Reading and Vocabulary.Thank you.