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1、WordsModule4sandstormsinAsiaReadingcomprehensionQuestions:Question1.Whatisasandstorm?Answer:Sandstormsarestrong,drywindsthatcarrysand.thatistosay,Asandstormisakindofdisastrousweathersystemanditisacombinationofsandandstrongwind.Question2.Whatcausedsandstorms?Answer:Sandstormsarecausedbystron
2、gwindsblowingoverloosesoilsorsand.Itisquitecloselyrelatedtoglobalwarming,thesharpdecreaseofforests,theextinctionofspecies,thedamageofvegetationandotherfactors.Ofallthefactors,theoveruseofnaturalrecourses,suchascuttingdowntoomanytrees,diggingupgrassandopeninguptoomuchvirginland,contributemos
3、ttothefrequentoccurrenceofsandstorms.Question3.Wherearethefourmainplacesintheworldwheretherearesandstorms?CentralAsia,NorthAmerica,CentralAfricaandAustraliaQuestion4wherearetheresandstormsinChina?InthenorthwestofChina.Question5.Whatdamagecansandstormcause?S1）Sandstormscankillpeopleandanimal
4、s,pulldownbuildingsandcausepoorharvests.Infact,sandstormscausealmostasmuchlossastyphoonsandhurricanes.Inthepastfiveyears,thenorthwestofourcountryhavebeenstruckbyover20sandstorms,fromwhichpeoplesufferedheavylossesworthofmorethan1.2billionyuanandinwhichover200peoplediedordisappeared.2）Sandsto
5、rmscanpollutetheatmosphereandcarryawaytopsoil.Thereareatleast38chemicalelementsinthedustofasandstorm.Thebreakingoutofsandstormsbringsmoresolidpollutionsintotheatmosphereanddamagestheenvironmentandsoilintheattackedareas,thusaffectingtheagricultureformanyyears.Whenthetopsoiliscarriedaway,onwh
6、ichplantsgrow,landbecomesbarren,yieldingmuchless.Question6.Whatcanwedotostopsandstorms?Thegovernmenthasmadegreateffortstopreventsandstormsbyplantingmoretrees.Thegovernmenthasplantedmore30billiontreesandplanstocontinueplantingforthenextfiveyears.Everyoneshouldprotecttheenvironmenttostopsands
7、torms.1.Mass–adjaffectingorintendedforaverylargenumberofpeopleorthings大量的，大规模的Amassof一团/一块/一堆Inthemass总体上，整个地2.Process–a.aseriesofnaturaldevelopmentsoractionsoractionstakentoachievearesultInprocess在进行中In(the)processof在。。。。的进程中Process用做名词还有“步骤”“程序”“工序”“制作
