BookⅢModule4SandstormsinAsiaPeriodⅠIntroduction&ReadingComprehensionMar.Ⅰ.DoEx1.2onpage31.Ⅱ.Translatethefollowingwordsandphrases.1、吹v.blowpt.blewpp.blown2、令人可怕的，吓人的adj.frightening感到可怕的adj.frightenedv.frightenn.fright3、埋葬v.bury4、标记，手势，迹象sign5、保护v.protectn.protection6、持续了10小时last(for)10hours7、气候变化climatechanges8、砍伐（树木）cutdown(trees)9、挖掘v.digpt.dugpp.dug10、内陆地区theinlandregion11.thePacificOcean太平洋12、阻止某人做某事prevent/stop/keepsb.Fromdoingsth.Ⅲ.Discussion:Whatarethecausesofasandstorm?●Readingandvocabulary1.DoEx.1,2,3,52.Readthetextcarefullyandchoosethebestanswers.①Sandstormsarestrongwindscarryingthroughtheair.A.sandanddustB.rainandheatC.dirtandmudD.cloudandsnow②Whichofthefollowingdoesn’tbelongtothemainplacesintheworldwheretherearesandstorms?A.CentralAsia.B.NorthAmerica.C.CentralAfrica.D.Austria.③Whatdotheexpertsadvisepeopletodowhenasandstormarrivesinthecity?A.Don’tgoout.B.Don’twearmasksC.Don’tgotoworkasusualD.Don’tridebicycles.④Thefactorsthatcauselandtobedesertare.A.cuttingdowntreesB.diggingupgrassC.climatechangesD.alloftheabove⑤Fromthelastparagraphweknow.A.thegovernmentistakingmeasurestopreventsandstormsB.thedistancebetweenthedesertandthecenterofBeijingisonly250kilometersC.morethan30milliontreeshavebeenplantedinBeijingD.thegovernmentwon’tplanttreesanymoreinfiveyears⑥Accordingtothetext,whichofthefollowingstatementsisTRUE?A.Sandstormsbeginindesertareasandbigcities.B.NorthwestChinaispartofthesandstormcenterinCentralAsia.C.Trafficmovesveryslowlybecausetherearesandandthickdustontheroad.D.Whenasandstormarrives,nobodywillgoout.3.Translatethefollowingexpressionsandsentences.（1）一个主要灾难amajordisaster（2）解决这个问题solvetheproblem（3）amasscampaign大规模的运动/战役（4）遭遇，被…困住becaughtin（5）inthemostdangeroussituation处于最危险的境况（6）因为…asaresultof（7）wakeupto意识到（8）weatherexperts气象专家（9）wearamask戴面具（10）theprocessofdesertification沙漠化过程（11）建议某人做某事advisesb.todosth.（12）Thisisaprocessthathappenswhenlandbecomesdesertbecau