Module4SandstormsinAsiaPeriodOneIntroduction&ReadingandVocabularyBecauseofthedevelopmentofagriculture，theareaoflandaffectedbysandhasgraduallyincreased.Duringthe1950sand1960sthelandaffectedbysandexpandedonaverageinto1,600squarekilometersperyear.Bythe1990s，theareahadreached2,500squarekilometersperyear.ThiskindofsituationisparticularlyseriousinmanyregionsupwindfromBeijing.FengningCityinHebeiProvinceandDuolunCityinInnerMongolialietothenorthofBeijing，andinthelast50yearsthepopulationofthesetwocitieshasgrownby2to3times.Inordertoobtainmoreresources，theinhabitantshavebeenbusywithheavyfarming，treecuttingandkeepinganimals.Theresultisthatthesoilwhichhassustaineddamage，andthesandlayerbelowtheearthisnowexposedonthegroundandthegroundisrapidlybeingcontrolledbythespreadofsand.Chinahasalreadynoticedthisproblem，andhastakenmeasurestosavetheland.Nowadays，somelandusedforfarminghasreturnedtoforestlandandgrassland.TheChinesegovernmentannouncedthatitwouldinvestmorethanRMB600,000,000tocontrolBeijing’ssandstormsinthecomingyears.Onlybydecreasingthedamagecausedbymanandrestoringthenaturalenvironmentwillitbepossibletowellcontrolthesourcesofthesandanddust.Wehopeinthenotdistantfuture，wewillsolvetheproblemsuccessfullyandeffectively.1.upwindadj.&adv.在上风向的(地)2.inhabitantn.居民3.sustainvt.遭受，蒙受，经受4.restorev.恢复；还原Answerthefollowingquestions1.What’sthemainideaofthepassage?It’saboutsandexpanded/desertificationinChina.2.Howtocontrolthesourcesofthesandanddust?(1)Decreasethedamagecausedbyman.(2)Restorethenaturalenvironment.PeriodOneIntroduction&ReadingandVocabularyⅠ.单词检测1.frighteningadj.吓人的；可怕的frightenvt.使惊吓frightenedadj.受惊的；受恐吓的2.massadj.大量的；大规模的3.campaignn.战役；活动4.desertificationn.(土地的)沙漠化desertn.沙漠5.processn.进程；过程6.citizenn.公民；市民7.dustn.沙尘；灰尘8.forecastvt.预报；预告9.strengthn.力量；力气strongadj.强大的，强壮的strengthenvt.加强，巩固10.cyclevi.骑自行车Ⅱ.短语检测1.cutdown砍倒2.be/getcaughtin突然遭遇(风暴等)3.asaresultof由于4.wakeupto醒来时注意到；开始觉察到(危险、想法等)5.preventsb/sth.(from)doingsth.阻止……做某事6.oneafteranother一个接一个地Ⅰ.课文判断正(T)误(F)1.Sandstormsarestrong，wetwindsthatcarrysand.(F)2.Sandstormscomefromthedesertareas.(T)3.Thelandbecomesdesertmainlybecauseofclimatechanges.(F)4.SandstormsinChinaseemtohaveincreasedinrecentyears.(T)5.SandstormsusuallycontinueseveralmonthsinBeijing.(F)Ⅱ.课文阅读理解1.Whatisthebestdescriptionaboutasandstormaccordingtothepassage?A.ItisamajordisasterformanyAsiancountriesforcenturies.B.It’sstrong，drywindcarryingsand.C.Itisawaytocauselandtobecomedesert.D.It’sakindofnaturaldisasterthatcan’tbetreated.答案B2.WhatisthemainreasonfortheincreaseofsandstorminChinarecently?A.Tobeclosetomanydeserts.B.TheworseningoftheweatherinChina.C.Theresultofdesertification.D.Peoplecuttingdowntreesanddiggingupgrass.答案C3.Whateffectsaresandstormsbringingtopeoplelivingincities?A.Thewholecityisusuallycoveredinathickandbrownyellowdust.B.Trafficmovesveryslowly.C.Peoplecan’tbreathewellandthedustmakesthemill.D.Alloftheabove.答案D4.Whatisthegoodsuggestionwhenpeoplemeetasandstorm?A.Notgoingout.B.Ifyougoout，justwearthickclothes.C.Whengoingout，wearamask.D.Nevergooutandjuststayathome.答案C5.Whatisthebestwaytoavoidtheeffectsfromthesandstorm?A.Tolivefarawayfromdeserts.B.Tostayathomewhenasandstormhapp...
