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1、Module4SandstormsinAsiaPeriod3GrammarⅠ.阅读理解MostofthesandstormsthathadsweptChinalastyearcamefromforeignland,aChineseofficialinchargeofdesertificationcontrolsaidonMonday.Andtheinvasions(入侵)couldpartlyexplainthefrequentsandstormsinthecountryinrecentyearsdespiteitsachievementsindeser
2、tificationcontrol.Sincethestartoflastspring,thenorthernandnorthwesternChineseregionshadbeenhitby17sandstorms,ofwhich,adozencamefromforeignland.Situatedinthecentral-Asiasandstormregion,oneoftheworld’sfourlargestsandstormsources,Chinaalsosuffersfromsandstormsfromoutsidethecountrywh
3、ilebeingblamedasasandsourcetonortheastAsia.TheotherthreemajorsourcesareinAfrica,NorthAmericaandAustralia.Thelandsufferingfromdesertificationhasbeendecreasingby7,585squarekilometresannuallyinChina,andtheareaofsandylandhasalsobeenfallingby1,284squarekilometresayear.Theshrinkage(收缩)
4、formsaclearcontrasttothefactthatthelandsufferingfromdesertificationandsandyfeaturewasaddedby10,400squarekilometresand3,436squarekilometreslatelastcentury,respectively.Currently,thedesertificationlandinChinamakesup2.64millionsquarekilometres,accountingfor27.46percentofthenation’sl
5、and,anditssandylandtotals1.74millionsquarekilometres,accountingfor18.1percentofthecountry’stotal.【语篇概述】本文主要讲了中国遭受沙尘暴侵袭,通过治理在控制沙漠化方面取得了一定成效。1.WheredomostofthesandstormsinChinacomefrom?A.ThenorthwesternChineseregions.B.ThenorthernChineseregions.C.ThewesternpartofChina.D.Foreigncoun
6、tries.3【解析】选D。细节理解题。根据第一段第一句和第二段可知,中国遭受沙尘暴侵袭的沙尘大部分来源于外国。2.WhichofthefollowingisbelievedtobethesandsourcetonortheastAsia?A.Mongolia. B.Africa.C.China.D.Australia.【解析】选C。细节理解题。根据第三段第一句可知,中国被认为是东北亚风沙的来源地。3.Whatdoestheunderlinedword“decreasing”meaninParagraph4?A.Goingdown.B.Goin
7、gup.C.Comingfrom.D.Takingup.【解析】选A。词义猜测题。根据第四段最后的“hasalsobeenfallingby1,284squarekilometresayear”可知,该词的意思是“减少”,与fall的意思接近,故选A项。4.Whatcanweinferfromthispassage?A.ThelandinChinasufferingfromdesertificationhasbeenincreasinggreatly.B.Chinahasmadeachievementsinitsowndesertificationcon
8、trol.C.Thedesertificationlandmakesupnear
