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1、 Introduction&reading and vocabularyfirehurricaneearthquake volcanic eruptionlightninglandslide Natural disastersWhat disaster is it?Sandstorms What are your feelings about sandstorms?(Activity 1 on page 31)Whats the causes of sandstorms?(Activity 2 on p31)Reading and vocabulary skimming(find the ma
2、in idea with each paragraph）Para.1 suggestionsPara.2 causesPara.3 descriptionsPara.4 measuresPara.5 introductionPara.6 effects Fast-readingTip:The first or last sentence can be helpful.Intensive reading Read the passage again and answer the questions.Tip:the key words.Paragraphs 24:1.1.What What are
3、 sandstorms?are sandstorms?2.2.WhereWhere do sandstorms often occur?do sandstorms often occur?3.3.WhoWho experienced a sandstorm as a child and experienced a sandstorm as a child and whatwhat did he describe about it?did he describe about it?4.4.WhyWhy have sandstorms increased in China?have sandsto
4、rms increased in China?5.5.WhenWhen sandstorms happen in Beijing,sandstorms happen in Beijing,what whats the weather like?s the weather like?1.What are sandstorms?sandstormsstrongdrycarry sandwindsareParagraph 2:Paragraph 2:2.Where do the sandstorms often occur?ABCDCentral AsiaNorth AmericaCentral A
5、fricaAustralia 3.Who experienced a sandstorm as a child and what did he describe about it?Ren Jianbo.terrible;frightening;dangerousParagraph 2:不定式做什么句子成分？是什么从句？To have been caught To have been caught in a sandstorm was a in a sandstorm was a terrible experience.-terrible experience.-It was the most
6、frightening and the most It was the most frightening and the most dangerous situation dangerous situation I Ive ever been in.ve ever been in.4.Why have sandstorms increased in China?Sandstorms appear to have increased in recent years as a result of desertification.Paragraph 3As a result of desertifi
7、cation.appear to do When _ happen,citizens wake up to an orange _ and strong _ that cover the city in a thick,brown-yellow _.dustskywindssandstorms5.When sandstorms happen in Beijing,what is the weather like?Traffic?-traffic moves very slowly.Paragraph 4Paragraphs 5-6:They advise people not to go ou
8、t.What is the government doing to control sandstorms?The government is planting trees.Whats the weather expertsadvice?Sandstorms are strong,dry winds _carry sand.They appear to _(increase)in recent years as a _ of desertification.When they happen,the traffic moves very _(slow)because the thick dust
9、makes _ difficult to see.When a sandstorm arrives in the city,weather experts _ people not to go out.So_ you want to go out,youd better wear a _.Scientists have tried many ways _ solve the problem._(prevent)it coming nearer,the government is planting trees.advisetoresultmaskslowlyithave increasedift
10、hatwhichTo prevent Post-readingComplete the blanks（走进高考）1.for centuries 多个世纪以来多个世纪以来2.a mass campaign 大规模运动大规模运动3.solve the problem解决问题解决问题4.get caught in 被困住被困住5.appear to 似乎，好像似乎，好像6.as a result of 由于由于7.cut down砍倒；削减砍倒；削减8.dig up 挖掘挖掘9.wake up to 警觉到；意识到警觉到；意识到10.make it adj/noun to do/clause12.make sb ill 让某人不舒服让某人不舒服13.prevent sb from doing sth阻止某人做某事阻止某人做某事Important phrasesHow to prevent sandstorms?Brainstorm:recycleplant trees ride bikesuse less paperWrite a short passage about what we can do to prevent sandstorms according to the suggestions above.Homework