【文档说明】《Unit 2 Topic 2 All these problems are very serious》课件1-九年级上册英语仁爱（科普版）.ppt，共(17)页，6.543 MB，由小喜鸽上传

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Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionAsandstormsn.沙尘暴manytreescutdownforestsgonewashtheearthaway冲走chan

geintodesert转换成，变成沙漠e.g.Alotofrichlandhaschangedintodesertbecausepeoplehavecutdowntoomanytrees.Theboyandgi

rlsaretalkingabout—————.A.differenttypesofsandstormsB.thereasonsforsandstormsC.sandstormsindifferentcities1bListento1aandchoos

ethebestanswer.Focusonthemainideaoftheconversationwhenyoulistenforthefirsttime.√Listenandanswerthequestions1.What’stheweatherliketoday?It’sb

ad.Thewindissostrong.Andthesandreallyhurtsface.2.Whatcausesthesesandstorms?Peoplehavecutdowntoomanyt

rees.Asaresult,alotofrichlandhaschangedintodesert.3.Dowestillneedtodosomethingtoprotecttheenvironment?Ye

s,wedo.Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotecttheenvironment.conj.虽然，尽管，即使n.沙somebod

y,someone,something,somewhereanybody,anyone,anything,anywherenone,nobody,nothing,nowhereeverybody,every

one,everything,everywhere一般情况下用于肯定句一般情况下用于否定句和疑问句表否定含义可用于各种句式theindefinitepronounandadverb1.Ihave____totellyou.A

.importantsomethingB.somethingimportantB形容词修饰不定代词和不定副词时，要放在不定代词/不定副词之后Doyouknow?2.Everybody___readyforthematch.A.isB.ar

eA不定代词作主语时，谓语动词要用单数。1aListen,lookandsay.1cRead1aandcompletetrees’functions.A.Treescanstopthewindfromblowingtheearthaway.B.Alotofwaterca

nbesavedbyforests.C.Theycanalsostopthewaterfromwashingtheearthaway.Tree’sfunctionsK:wind;sand;anythingM:sandstormsJ:

cutdown;asaresult;changeintoM:affectJ:stop…from…;blow…awayK:canbesavedJ:wash…awayK:isharmfulto;although;do

somethingActoutthedialoginpairs1.Lily,wouldyoulike___________todrink?2.Cindyisverybusynow.Sheneeds_______tohelpher.3.

Isthere_________wrongwithyourcomputer?4.Jimlookedforhispencil-box____________,buthedidn’tfindit.5.Istayedathomelastweek.

Ididn’tgo__________.Usesomeone,something,anything,somewhere,anywheretofillintheblanks.somethingsomeoneanythingsomewhereanywher

eWelearn:1.Somewords:sand,although2.Somephrases:changeinto,humanbeing3.Somesentences:(1)Asaresult,alotofrichlandhaschangedin

todesert.(2)Treescanstopthewindfromblowingtheearthaway.Wecan:1.Usetheindefinitepronounandadverb.2.Talkaboutthesandstormand

itsharm.Summary1.Recite1a.2.FinishSectionAinyourworkbook.Thankyou!