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1、Unit5Thepowerofnature同步檢測(cè)同步練習(xí)I.閱讀理解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】本文講的是聯(lián)合國(guó)環(huán)境規(guī)劃署號(hào)召我們要采取行動(dòng)來(lái)減少口益增加的化學(xué)產(chǎn)品給人類(lèi)帶
7、來(lái)的危害。1?ThepurposeofParagraph3ismainlytoindicatethat.A.theuseofpesticidecausesagreatlossB?AfricaneedsmoredevelopmentaidC-chemicalshaveahighproductioncostD?theestimatedcostofpoisoningfrompesticideisinaccurate解析：選A。段落大意題。根據(jù)第三段的內(nèi)容可知,SylvieLemmet是在說(shuō)殺蟲(chóng)劑中毒給人類(lèi)
8、的身體和經(jīng)濟(jì)帶來(lái)巨大的損失。故選A。2?WhichofthefollowingisNOTasourceofdangeraccordingtothetext?A.Pesticide.B.Fertilizer.C.Heavymetals.D?Minerals.解析：選D。推理判斷題。根據(jù)倒數(shù)第二段后兩句的內(nèi)容可知,A、B、C項(xiàng)均是危害的D項(xiàng)文中沒(méi)有提及。故選D。3.Accordingtothetext,whatisthemainreasonfortherisksfromc
