高中英语unit4globalwarming课时跟踪练一warmingup&reading_prereading

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1、Unit4Globalwarming课时跟踪练（一）WarmingUp&Reading-PrereadingⅠ.阅读理解AYoumightthinkthat“globalwarming”meansnothingmorethanariseintheworld'stemperature.Butrisingsealevelscausedbyithaveresultedinthefirstevacuation(撤离)ofanislandnationthecitizensofTuvaluwillhavetoleave

2、theirhomeland.Duringthe20thcentury,thesealevelrose8－12inches.Asaresult,Tuvaluhasexperiencedlowlandfloodingofsaltwaterthathaspollutedthecountry'sdrinkingwater.PaaniLaupepa,aTuvaluangovernmentofficial,reportedtotheEarthPolicyInstitutethatthenationhassuffered

3、anunusuallyhighnumberoffiercestormsinthepasttenyears.Manyscientistsconnecthighersurfacewatertemperaturesresultingfromglobalwarmingtogreaterandmoredamagingstorms.LaupepaexpresseddissatisfactionwiththeUnitedStatesforrefusingtosigntheKyotoProtocol,aninternati

4、onalagreementcallingforindustrializednationstoreducetheirgreenhousegasemissions(导致温室效应的气体排放),whichareamaincauseofglobalwarming.“Byrefusingtosigntheagreement,theUShaseffectivelytakenawaythefreedomoffuturegenerationsofTuvaluanstolivewheretheirforefathershave

5、livedforthousandsofyears.”LaupepatoldtheBBC.TuvaluhasaskedAustraliaandNewZealandtoallowthegradualmoveofitspeopletobothcountries.Tuvaluisnottheonlycountrythatisvulnerable(易受影响的)torisingsealevels.MaumoonGayoon,presidentoftheMaldives,toldtheUnitedNationsthatg

6、lobalwarminghasmadehiscountryof311,000an“endangerednation”．1．Thetextismainlyabout________.A．rapidchangesinearth'stemperatureB．badeffectsofglobalwarmingC．movingofacountrytoanewplaceD．reasonsforlowlandflooding解析：选B　主旨大意题。这篇短文主要讲述了全球变暖造成的恶劣影响，故答案选B。A、C、D三项都是细

7、节。2．Accordingtoscientists,theDIRECTcauseofmoreandfiercerstormsis________.A．greenhousegasemissionsinindustrializednationsB．highersurfacewatertemperaturesoftheseaC．continuousglobalwarmingD．risingsealevels解析：选B　细节理解题。根据第三段中“Manyscientistsconnecthighersurfacew

8、atertemperaturesresultingfromglobalwarmingtogreaterandmoredamagingstorms.”可判断出造成严重的暴风雨的直接原因是海洋表面水温太高。3．LaupepawasnotsatisfiedwiththeUnitedStatesbecauseitdidnot________.A．agreetoreduceitsgreenhousegasemissions