Module4SandstormsinAsia“沙暴”和“沙尘暴”是同义词。它是指强风将地面上的大量沙尘卷入空中，使空气特别浑浊，水平能见度低于1000米的天气现象。在古今中外的历史上有哪些严重或恐怖的沙尘暴呢？Howoftendoyouthinkaboutsandstorms?Maybenotveryoften.Butherewearegoingtoseeafewfamoussandstormsoutofmanythroughouthistory.Australia,September22nd,2009ThisonewascruelbecauseitmadeAustralialooklikeanotherplanetinanentireweek.Itlookedlikethatthephotosdocumentingthesandstormwereeditedbysomeonewhowasseverelycolorblind.Theentiresoutherncontinentwaspaintedorangered,butpeoplestilltriedtogoabouttheirdayasif5milliontonsofdusthadn’tblownthroughtheirrespiratorysystem(呼吸系统)．Pakistan,July4th,2007Onthisday,asandstormsweptthroughthenationandshockedeveryonewithitshazyblindingsheetsofsand.Everyonethoughtit’dbeoverwithinaday.However,itpouredforseveraldays,displacinghomesandfloodingpeopletodeath.Temperaturesrangedfrom131Fduringthedayto30Fatnightandabout200peoplediedduetothissandstorm.NorthAmerica,1930－1935Farmerswereverydisappointedaboutthisone.Duringthe1930s,NorthAmericanregionsfromNewMexicotoSaskatchewanunderwentserioussandstormsbeforeWorldWarⅡ.Thiswasknownas“TheDustBowl”anditstruckrightaroundthetimeoftheGreatDepression.Ifyouaskyourelderlyfriendsaboutit,they’llprobablyhavesomethinginterestingtosay.Letmegiveyouanideaofhowexhaustingandannoyingthesandstormwas:windsreachedupto60mph,anditlastedforFIVEYEARS.Niya,China,400ADNiya,believedtohaveflourishedfromthe1stcenturyBCtothe4thcenturyAD,hasremainedthebestpreservedandoneofthelargestruinsofthecitystatesthatwerescatteredalongtheancientSilkRoadabout1，500yearsago.ThesandstormwassocruelthatitcompletelyburiedthisparticularregionofWesternChina.Itisactuallyregardedas“PompeiioftheSilkRoad.”Anotherinterestingthingtonotewasthattheyfoundwhitepeoplemummified(使成木乃伊)bythisparticularsandstorm.SectionⅠIntroduction&ReadingandVocabulary—Comprehending,重点单词写作词汇1.massadj.大量的；大规模的2.campaignn.战役；活动3.processn.进程；过程4.citizenn．公民；市民5.forecastvt.预报；预告拓展词汇6.frighteningadj.吓人的；可怕的→frightn．害怕；恐惧→frightenvt.使害怕→frightenedadj.害怕的7.dustn．沙尘；灰尘→dustyadj.满是灰尘的8.strengthn．力量；力气→strengthenvt.加强→strongadj.坚强的；强壮的→stronglyadv.强有力地；坚强地阅读词汇9.sandstormn．沙尘暴10.inlandadj.内地的；内陆的11.dunen.沙丘12.desertificationn．(土地的)沙漠化13.cyclevi.骑自行车14.maskn.面罩重点短语1.cut__down砍倒2.be/get__caught__in突然遭遇(风暴等)3.as__a__result__of由于4.wake__up__to认识到，意识到5.prevent__sb.from__doing__sth.阻止某人做某事6.one__after__another一个接一个地重点句型1.so＋adj./adv.＋that...如此……以至于……：Theyareoftenso__thick__that__you__cannot__see__the__sun(密集得遮天蔽日),andthewindissometimesstrongenoughtomovesanddunes.2.动词不定式作主语：To__have__been__caught__in__a__sandstorm(被围困在沙尘暴中)wasaterribleexperience.3.appeartodo/tohavedonesth.(＝Itappearsthat...)似乎要做/似乎已经做过某事：SandstormsinChinaappear__to__have__increased(好像增加了)inrecentyearsasaresultof“desertification”.4.makeit＋adj./n.＋todosth.(it是形式宾语，形容词或名词作宾补，不定式是真正的宾语)：Thestormssometimescontinuealldayandtrafficmovesveryslowlybecausethethickdustmakes__it__difficult__to__see(使能见度很低).5.不定式作目的状语：To__prevent__it__coming__nearer(为了阻止它越来越靠近),thegovernmentisplant...
