2019_2020学年高中英语Unit5ThepowerofnatureSectionⅠPre_reading练习新人教版选修6.doc

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1、SectionⅠPre-readingⅠ.用所给词的适当形式填空1．InordertobeastrongandeffectivepartnerwiththeAsiaPacificregion,AmericanPresidentObamathinksitis________(absolute)vitaltohaveastrongrelationshipwithChina.2．Itrainedcontinuouslyforabout3hoursontheway,completelyruininghis________(appoint)withtheinterv

2、iew.3．Thesituationisunstableand________(potential)dangerous.4．Goodshoes,clothesandabackpackarethebasic________(equip)youneedforyourhiking.5．Theprotestsbecamemoreviolentandmanypeople_______(panic)intoleavingthecountry.答案1．absolutely　2.appointment　3.potentially4．equipment　5.panicked

3、Ⅱ.单句语法填空1．Iwaved________Nancy,butshewasabsorbedinherthought，andmadenoresponse.2．Herhousewasburnt________theground,butshewasalive,andherkidsdidn'tdie.Soit'snottheendoftheworldforher.3．When________(compare)withmyuncle'shouse,minedoesn'tseembigatall.4．Aliceissaid________(leave)thesta

4、gealreadyasshehasgoneabroadforfurtherstudy.5．________(invite)toAnne'sbirthdayparty,Mr.Smithisnowsearchingshopaftershopforanicepresentforher.答案1．to　2.to　3.compared　4.tohaveleft　5.InvitedⅢ.阅读理解A-9-(2019年高考·北京卷)Bytheendofthecentury，ifnotsooner，theworld'soceanswillbebluerandgreenertha

5、nkstoawarmingclimate，accordingtoanewstudy.Attheheartofthephenomenonlietinymarinemicroorganisms(海洋微生物)calledphytoplankton.Becauseofthewaylightreflectsofftheorganisms，thesephytoplanktoncreatecolourfulpatternsattheoceansurface.Oceancolourvariesfromgreentoblue，dependingonthetypeandcon

6、centrationofphytoplankton.Climatechangewillfuelthegrowthofphytoplanktoninsomeareas，whilereducingitinotherspots，leadingtochangesintheocean'sappearance.Phytoplanktonliveattheoceansurface，wheretheypullcarbondioxide(二氧化碳)intotheoceanwhilegivingoffoxygen.Whentheseorganismsdie，theyburyc

7、arboninthedeepocean，animportantprocessthathelpstoregulatetheglobalclimate.Butphytoplanktonarevulnerabletotheocean'swarmingtrend.Warmingchangeskeycharacteristicsoftheoceanandcanaffectphytoplanktongrowth，sincetheyneednotonlysunlightandcarbondioxidetogrow，butalsonutrients.StephanieDu

8、tkiewicz，ascientistinMIT'sCenterf