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ID:46682450
大小:48.50 KB
页数:6页
时间:2019-11-26
《报刊基础及阅读2》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、《报刊基础及阅读》模拟试卷二考试形式:开卷考试时间:90分钟PartOneExplainthefollowingsentencesinChinese1.TheHitlerdiariessetoffaworldwidefurorwhentheycametolightinlateApril.2.BritishscholarHughTrevor-Roper,anearlyadvocate,nowcallsthemforgeries/zuntiltheoppositeisproven".3.It'safabulousopportunitytomeetthepeoplebehindth
2、eissues.4.EverymorningwhenTgotupTknewTwasgoingtobejudgedandgraded.There'snotimeoffandnovacation,andyougetworriedthatyou,11blowit.5・Fully80%ofthem(antibiotics)arenotadministeredtohumansbutaremixedwithanimalfeedbothtopreventdiseaseandtoacceleratelivestockgrowth・6.BoyceandPratthadafallingoutov
3、er$150thatPrattclaimedBoyceowedhim.PartTwoReadingComprehensionPassageILeaddeposits,whichaccumulatedinsoilandsnowduringthe1960,sand70,s,wereprimarilytheresultofleadedgasolineemissionsoriginatingintheUnitodStates・InthetwentyyearsthattheCleanAirActhasmandatedunleadedgasuseintheUnitedStates,the
4、leadaccumulationworld-widehasdecreasedsignificantly.AstudypublishedrecentlyinthejournalNatureshowsthatair-borneleadedgasemissionsfromtheUnitedStateswerethe1eadingcontributortothehighconcentrationofleadinthesnowinGreenland・ThenewstudyisaresultofthecontinuedresearchledbyDr.CharlesBoutron,anex
5、pertontheimpactofheavymetalsontheenvironmentattheNationalCenterforScientificResearchinFrance.AstudybyDr.Boutronpublishedin1991showedthatleadlevelsinarctic(j匕极的)snowweredeclining.Inhisnewstudy,Dr.BoutronfoundtheratiosofthedifferentformsofleadintheleadedgasolineusedintheUnitedStateswerediffer
6、entfromtheratiosofEuropean,AsianandCanadiangasolinesandthusenabledscieiUiststodifferentiate(分区)the1eadsources.ThedominantleadratiofoundinGreenlandsnowmatchedthatfoundingasolinefromtheUnitedStates.TnastudypublishedinthejournalAmbio,scientistsfoundthatleadlevelsinsoi1intheNorth-easternUnitedS
7、tateshaddecreasedmarkedlysincetheintroductionofunleadedgasoline.Manyscientistshadbelievedthattheleadwouldstayinsoilandsnowforalongerperiod・TheauthorsoftheAmbiostudyexaminedsamplesoftheupperlayersofsoiltakenfromthesamesitesof30forestfloorsinNewEngland,New
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