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选择題A(关键专业詞汇5題以上)
Bacterialcellwallsarecomposedprincipallyofpeptidoglycans,andreproductionisbybinaryfission.[A.abruption;B.binaryfission;C.breakup;D.divide]
ThephotosyntheticbacteriacontainarangeofbacteriochlorophyllsanddonotliberatefreeO2duringphotosynthesis.[A.photosynthesis;B.photosynthate;C.breath;D.Reverse]
Conjugationinvolvesthetransferoflargeportionsofgeneticmaterialbetweendonorandrecipientcellsinmatingpairs.[A.donor;B.donate;C.donation;D.endow]
Thecyanobacteriaarephotosyntheticprokaryotescontainingchlorophyll,andalsophycobiliproteinpigmentssuchasphycocyanin.[A.peptidoglycan;B.crystalviolet;C.chlorophyll;D.algae]
Thoseusinglightastheirenergysourcearetermedphototrophic.[A.chemotrophic;B.lithotrophic;C.organotrophic;D.phototrophic]
Excessiveextractionofwatercanlowerwater-tables,which,insomeinlands(内陆),mayleadto____.A.subsidenceB.salt-waterinstrusionC.earthquakeD.flooding
Butbecauseoflossesthrough______andplanttranspiration.A.evaporationB.environmentC.evaporateD.evaporative
Irrigationhasallowedtheexpansionofagricultureintosemi-aridandeven____environments.A.dryB.aridC.droughtd.water
Thesteadyflowsthatdamscausealtertheseasonalcyclesof_____andriparianplantsandanimals.A.aquaticB.aquaticsC.aquacultureD.aquation
Newlandfillshavecomplexbottomlayerstotrapcontaminant-ladenwater,calledleachate,leakingthroughtheburiedtrash[A.wallB.leachateC.leaderD.little]
Amodernmunicipalsolidwastelandfillistypicallyconstructedaboveanimpermeableclay.[A.impressB.impermeableC.improveD.impolite]
However,manyincineratorswereeliminatedbecauseofaestheticconcerns,suchasfoulodors,noxiousgases,andgrittysmoke.[A.graveB.grittyC.groveD.glass]
Theburingwasteheatswaterandthesteamdriveaturbinetogenerateelectricity,whichissoldtoa
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