since january 2015, many cities in china have seen a lot of foggy 阅读理解答案

《since january 2015, many cities in china have seen a lot of foggy 阅读理解答案》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、SinceJanuary2015,manycitiesinChinahaveseenalotoffoggy阅读理解答案　　SinceJanuary2015,manycitiesinChinahaveseenalotoffoggydays.InBeijing,onlyfivedaysinJanuarywerefreeofsmog(雾霾).What’sthedifferencebetweenfogandsmog　　Accordingtoscientists,fog(雾)ismadeupoftinydropsofwaterandalsoiceparticles(颗粒)

2、duringverycoldconditions.Smogisdirtyairthatlookslikeamixtureofsmokeandfog,causedmainlybysmokefromcarsandfactoriesincities.　　AnofficialfortheMinistryofEnvironmentalProtectiontoldBeijingNewsthatpollutionisthemainproblemwithairpollution.PMreferstopollutionwithsmallparticlesmicrometers(微

3、米)orlessindiameter(直径).AccordingtotheChineseAcademyofSciences,twomainfactorsthatcausePMaremotorvehiclesandtheburningofcoal.　　Poorairhasdoneharmtopeople’shealth.Childrenandtheelderlyaremoreatrisk.AreportfromBeijingChildren’sHospitalshowsthatfromJanuary5toJanuary11,2015,halfofthepatien

4、tsinthehospitalcameforrespiratory(呼吸道的)problems.　　Torespondtotheairproblem,theChinesegovernmentandmanyChinesepeoplehavestartedtotakeaction.　　Beijingannouncedaplantousecleanfuel(燃料)ingovernmentvehiclesandplanttrees.ItaskedcitizenstosetofffewerfireworksfortheSpringFestivalcelebration.T

5、heysuggestedthatcarswithlargeemissions(排放)shouldbestoppedandfactoriesshouldbecloselywatched.　　ThreestudentsfromNo.4HighSchoolinBeijingwroteareporttoadvisetofighttheairpollution.“Wehopemorepeoplewilljoinustoprotectourenvironment.Withallourefforts,theblueskieswillcertainlyreturnsoon,”s

6、aidShiXiaofei,15,oneofthethreestudents.　　()61.Theunderlinedphrase“werefreeof”means____________.　　A.hadsomeB.hadmanyC.hadnoD.hadmoreandmore　　()62.Accordingtothesecondparagraph,wecanknow____________.　　A.smogisamixtureoffogandsmokeB.smogisformed(形成)duringcoldhours　　C.fogismadeupofdropso

7、fwaterwithsmokeD.smokefromcarsandfactoriescausefog　　()63.Paragraphs3and4aremainlyabout____________.　　A.whatPMiswhatcausesPMandhowitharmsus　　B.howtopreventPMpollutionandhowPMlooks　　C.whatPMisandhowtoprotectourselvesagainstPM　　D.howseriouslyPMaffectsusandhowtodealwithPM　　()64.Whatisthe

8、besttitlefor