【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changeintodesert转换成，变成沙漠e

.g.Alotofrichlandhaschangedintodesertbecausepeoplehavecutdowntoomanytrees.Theboyandgirlsaretalkingabout——

———.A.differenttypesofsandstormsB.thereasonsforsandstormsC.sandstormsindifferentcities1bListento1aandchoosethebestanswer.

Focusonthemainideaoftheconversationwhenyoulistenforthefirsttime.√Listenandanswerthequestions1.What’s

theweatherliketoday?It’sbad.Thewindissostrong.Andthesandreallyhurtsface.2.Whatcausesthesesandstorms?Peoplehavecutdo

wntoomanytrees.Asaresult,alotofrichlandhaschangedintodesert.3.Dowestillneedtodosomethingtoprotecttheenvironment?Yes,w

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

omebody,someone,something,somewhereanybody,anyone,anything,anywherenone,nobody,nothing,nowhereeverybody,everyone,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.areA不定代词作主语时，谓语动词要用单数。1aListen,lookands

ay.1cRead1aandcompletetrees’functions.A.Treescanstopthewindfromblowingtheearthaway.B.Alotofwatercanbesavedbyforests.C.Theycanalsosto

pthewaterfromwashingtheearthaway.Tree’sfunctionsK:wind;sand;anythingM:sandstormsJ:cutdown;asaresult;changeintoM:affec

tJ:stop…from…;blow…awayK:canbesavedJ:wash…awayK:isharmfulto;although;dosomethingActoutthedialoginpairs1.Lily,wo

uldyoulike___________todrink?2.Cindyisverybusynow.Sheneeds_______tohelpher.3.Isthere_________wrongwithyourcomputer?4.Jimlookedforhispencil-box_______

_____,buthedidn’tfindit.5.Istayedathomelastweek.Ididn’tgo__________.Usesomeone,something,anything,somewhere,anywh

eretofillintheblanks.somethingsomeoneanythingsomewhereanywhereWelearn:1.Somewords:sand,although2.Somephrases:changeinto,

humanbeing3.Somesentences:(1)Asaresult,alotofrichlandhaschangedintodesert.(2)Treescanstopthewindfromblowingtheearthaway.Wecan:1

.Usetheindefinitepronounandadverb.2.Talkaboutthesandstormanditsharm.Summary1.Recite1a.2.FinishSectionAinyourworkbook.Than

kyou!