- Dryandcoldinwinter,whenweatherandsandstorms.Yeah,andtherearealsosandstormsinMarchandApril.Whenthesandstormsblow,it'sgloomyanddark.ThosesandstormswhippingacrossChinaeachspringcanbebadforyourhealth.Rootedover50metersdowntheground,theythriveinhostileen...
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- 问题详情:Inrecentyears,sandstorms___41___(occur)inChinafrequently,especiallyinnorthwesternareas,___42___severeinfluencehascausedwideconcerninChina.There'reseveralreasonsfortofall,peoplearecuttingdowntreeswithoutplantingmore,___43___(make)somelandbeco...
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