Unit5同步检测同步练习

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1、Unit5Thepowerofnature同步检测同步练习I.阅读理解TheUnitedNationsEnvironmentProgramiscallingforurgentactiontoreducegrowingrisksfromchemicals.Bettermanagementofchemicalscouldsavemillionsoflivesandbillionsofdollars・Asestimated,143,000chemicalsarenowproduced.Yettherepo

2、rtsaysonlyasmallnumberofthesechemicalshavebeenstudiedfortheireffectsonhumanhealthandtheenvironment.Itsaysdeathanddisabilityratesarehighfromtheunsafeuseofchemicalproducts.SylvieLemmet,directoroftheUnitedNationsEnvironmentProgram,sayspoormanagementofchem

3、icalshasahigheconomiccost.Forexample,shesaysthecostishigherthantheamountofoverseasdevelopmentaid,orODA,forhealthcareinsub-SaharanAfrica.Shesays,“Ifyoulookattheestimatedcostofpoisoningfrompesticideinsub-SaharanAfrica,onlytheinjuryandthelossofworkingtime

4、isestimatedtobe6.3billionUSdollarsin2OO9.ThisishigherthanthetotalODAthatisgoingtothehealthsectorinthesamearea.nTheUnitedNationsEnvironmentProgramestimatesthatchemicalsalesworldwidewillincreasebyaroundthreepercentayearuntil2050.Chemicalproductionismovin

5、gquicklyfromdevelopedtodevelopingcountries・By2020,chemicalproductionisexpectedtoincreaseby40percentinAfricaandtheMiddleEastand33percentinLatinAmerica.Oneofitsbiggestconcernsispollutionofriversandlakesbypesticideandfertilizer.Othermajorconcernsareheavym

6、etalpollutionfromtheproductionofcementandtextiles,anddioxinpollutionfrommining.TheUNreporturgesthechemicalindustryandgovernmentstoworktogethertodevelopsafetypolicies・Itsayspreventingharmcostslessthanfixingit.【文章大意】本文讲的是联合国环境规划署号召我们要采取行动來减少口益增加的化学产品给人类带

7、来的危害。1•ThepurposeofParagraph3ismainlytoindicatethat.A.theuseofpesticidecausesagreatlossB•AfricaneedsmoredevelopmentaidC-chemicalshaveahighproductioncostD・theestimatedcostofpoisoningfrompesticideisinaccurate解析：选A。段落大意题。根据第三段的内容可知,SylvieLemmet是在说杀虫剂中毒给人类

8、的身体和经济带来巨大的损失。故选A。2・WhichofthefollowingisNOTasourceofdangeraccordingtothetext?A.Pesticide.B.Fertilizer.C.Heavymetals.D・Minerals.解析：选D。推理判断题。根据倒数第二段后两句的内容可知,A、B、C项均是危害的D项文中没有提及。故选D。3.Accordingtothetext,whatisthemainreasonfortherisksfromc