课件36张PPT。earthquakefloodtornadotyphoonTidal wave/ tsunamiVolcanic eruptionsandstorm这张照片是3月17日由NASA的OrbView-2卫星拍摄的真彩色照片
。在照片上，沙尘已经越过黄海，到达了日本以东的太平洋上空。
事实上，这次10年以来中国北方最大的沙尘暴不仅仅影响了日本，
据美国国家海洋和大气局（NOAA）报告，这次的沙尘暴已经跨越
太平洋，于27日到达了美国西海岸！ AsiaJapan AmericaWatch a short film about sandstormsWhat have you seen in the short film?
1.The wind, the sky and the air
2.The traffic
3.The people
What is your feeling about the sandstorm? Fast
ReadingListen to the tape and read the passage quickly, decide how to divide the whole passage.1.The whole passage can be divided into 3 parts, Choose the correct answers:.
A.1 / 2-4 / 5-6
B. 1-2 / 3-4 / 5-6
C. 1 / 2-5 / 6
And find the main idea of each paragraph:
2.Match the main ideas with each paragraph.The forecast and suggestions of sandstorms.
The measures taken by the government.
The influence of sandstorms
The causes of sandstorms.
Major disaster in Asia--Sandstorms
The description of sandstorms.Para 1Para 2Para 3Para 4Para 5Para 6Read the articles carefully and answer questions.1. What are sandstorms ?
2. Where in the world are the four main sandstorm areas ?
3.What happened to Ren Jianbo when he was a child in the desert?
4.Can you explain why the desertification happen?
5.What happens to traffic when sandstorms take place? Why?
6. What do experts advise people to do in this situation?Read the articles carefully and answer questions:
1. What are sandstorms ?
2. Where in the world are the four main sandstorm areas ?How about china?They are strong, dry winds that carry sand.Central Asia, North America, Central Africa and Australia.North AmericaCentral AfricaAustralia Central Asiamajor sandstorm centers in ChinaGansu Inner MongoliaXinjiangMajor sandstorm centers in China3.What happened to Ren Jianbo when he was a child in the desert?4.Can you explain why the desertification happens?5.What happens to traffic when sandstorms take place? Why?6.Experts advise people not to go out. If cycling in the sandstorm, one had better wear a mask. 6. What do experts advise people to do in this situation?3.He experienced a terrible sandstorm.4.Because climate changes and people cut down trees and dig up grass, land becomes desert, then desertification happens.5.Traffic moves very slowly because the thick dust makes it difficult to see.Decide if the following sentences are
True or False .1.A government campaign has been started to help solve the sandstorm problem.
2.The winds in a sandstorm can sometimes prevent you from seeing the sun.
3.The Chinese Central Weather Station can only forecast a sandstorm some months before it arrives.
4.It is frightening to be cycling in a sandstorm.
5.The government is planting trees to the east of Beijing to prevent the desert coming nearer.massweekswestExerciseFill in the black according to the text.Complete these sentences using words from sandstorms in Asia ,the first letter is provided for you 1.Weather experts have f____ another big sandstorm in a week’s time.
2.It’s f___ to be outside in a sandstorm.
3.I was in a very big sandstorm some years ago. Luckily ,everyone s_____.
4.There is a lot of d_____ on the floor. We need to sweep it away.
5.Desertification is a long p____ that takes you many years.
6.Many Beijing c_____ cycle to work.righteningurvivedrocessitizenustorecast(ed)DiscussionWhat should we do to prevent sandstorms coming? What measures should we take to prevent sandstorms coming? 1. Control water and air pollution.
2. Build green fences along the desert.
3. Forecast sandstorm’s time to prevent disaster.
4. All countries work together to make a plan to control and prevent sandstorms.中国政府防治沙尘暴的四大对策
一、在北京北部的京津周边地区建立以植树造林为主的生态屏障；? 二、在内蒙古中西部地区推动以退耕还林为中心的生态保护带。坚决贯彻退耕还林还草、严禁过度放牧，重点恢复和保护草地资源；? 三、在河套地区和沙化土地地区以保护水资源和天然绿洲为中心，控制沙化土地扩大，保住天然绿洲，逐步扩大人工林；? 四、蒙古国南部荒漠地区长期影响我国的主要沙尘暴源区，因此应尽快建立一个与蒙古国长期合作防治沙尘暴的计划框架。? Have you just experienced a sandstorm?Yes! It’s terrible!performance Pair work:
Suppose you have just experienced a sandstorm, and a reporter is interviewing you. Now perform the interview for the class.
SummaryIn this period you have learnt some vocabulary and you should try to keep them in mind.
After reading the test you get to know something about the sandstorms .You also have known the damage caused by sandstorms. So we should try our best to protect our living environment and work together to build a more beautiful China.The day before yesterdayYesterdayTodayHomework:
请根据以上提示,针对山东北部遭受沙尘暴袭击的情况,向英语周报社投稿,呼吁大家植树造林,保护环境.
