高中英语：Sandstorms in Asia课件外研必修3.ppt

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1、 English English doesntdoesnt just belong to just belong to the English,it also belongs to the English,it also belongs to you you.Have a tryPlease remember the following suggestion:Todays free talk?2021/8/11 星期三1Opendiscussion:Opendiscussion:Disasters you know and give a definition to each disaster.

2、2021/8/11 星期三2Can you find out which one of the following pictures refers to a sandstorm?1234562021/8/11 星期三3If you want to know more-,get close to it!2021/8/11 星期三4 Module 4Module 4 Sandstorms in Asia2021/8/11 星期三5Introduction-1.Vocabulary(5m)Use the words in Activity 1,Page 31 to fill the blank.Th

3、is is a_.It has_for ten hours and was very_.The wind is_the sand high around the house.People are _ in the sandstorm.Sometimes the sand can_the whole building.sandstormlastedfrighteningblowingfrightenedburyblow bury frighten last(v)sandstorm2021/8/11 星期三6Prediction:If you are to write the article na

4、med“Sandstorms in Asia”,how many parts will you include in it?What will you write in each part?2021/8/11 星期三7Activity I:Fill in the diagram with one proper word.Part I:part II:Part III:disastersand-stormdiscrip-tioncauseinfluencesuggestionmeasures2021/8/11 星期三8New wordsMatch the words with the follo

5、wing definitions:forecast cycle(v)dust expert process survive1.some who knows a lot about a particular subject _2.things that happen one after another,and have a result _3.very small bits of dirt or earth,on the ground or in the air _4.to say what will probably happen _5.to continue to live after a

6、difficult or dangerous situation or event _6.to ride a bicycle _expertprocessdustforecastsurvivecycle2021/8/11 星期三91.What is sandstorm?3.whats the weather experts advice when a sandstorm comes?Sandstorms are strong,dry winds that carry sands.They advise us not to go out.If we have to,wed better wear

7、 a mask.Fast readingFast reading2.Where in the world are the main four sandstorms places?Central Asia,North America,Central Africa and Australia.Northwest China2021/8/11 星期三10ABCDNorth AmericaCentral AfricaAustralia Central Asia2021/8/11 星期三11Match the main ideas with each partPart I(para 1):Part II

8、(para2-5):Part(para6):major disaster in Asia -sandstormmeasuresdescription；cause ；influence ；suggestion2021/8/11 星期三121.Scientists have tried many ways to deal with sandstorms.2.Land becomes desert only because people cut down trees and dig up grass.3.The Chinese Central Weather Station can not fore

9、cast sandstorm some weeks before it comes.4.Our government has planted more than 30 billion trees and plans to continue planting for the next 5 years.Decide if the following statements are true()or false()2021/8/11 星期三13Para(2-5)Sandstorms in Asia(key words)DescriptionCauseInfluenceSuggestionstrong,

10、dry winds_,the most _and dangerousDesertification；_ changes；_ trees；_ grassan _sky,strong_,city in a thick,brown-yellow _move slowly,difficult to see and breathenot to go out,wear a mask orangewindsclimatecut downdig upfrighteningdustthat carry sand2021/8/11 星期三14major sandstorm centers in ChinaGans

11、u and Western Inner MongoliaBeijing and Northeast Inner MongoliaHow far is the desert away from Beijing?Part Part 2021/8/11 星期三152021/8/11 星期三16 Discussion:What measures should we take to prevent sandstorms coming?歌歌 曲曲 环环 保保环环 保保措措 施施2021/8/11 星期三17trees be cut downnothing to hold.soil be blown awa

12、ysoil be washed into歌歌 曲曲 环环 保保2021/8/11 星期三18too many sheep and cattleall the grass be eaten grass never grow again;the land become desert2021/8/11 星期三19We should plant more trees and grow more grass.Control air and water pollution.Build green fences along the desert.Forecast sandstorms real time to prevent disaster.Establish sandstorm data bank and collect information about sandstorms.All countries should join hands to make a plan in sandstorms control and prevention.歌歌 曲曲 环环 保保2021/8/11 星期三20保保护护环环境境 人人人人有有责责Bye bye!2021/8/11 星期三212021/8/11 星期三22