Unit 1 单元基础练习题-2022-2023学年高中英语人教版2019选择性必修第二册

Unit1ScienceandscientistsI.选用合适的内容并用其正确形式填空。1.substantial,initiala.Whatmaderesearcherssatisfiedwasthatthe__________reactiontheprojectwasexcellent.b.Thefarmerwasgenerousand__________donationscharity.2.thinking,findinga.Studentsareencourageddevelopcritical__________insteadofacceptingopinionswithoutquestioningb.The__________oftheresearchserveasawarningthosewhoaredestroyingtheenvironment.3.concrete,concepta.Itwasadifficult__________grasp,butDavidsoonunderstoodb.ItbelievedthattheRomanswerethefirstuse__________asabuildingmaterial.II.a-e1-5）（每项限用一次）。to,for,down,in,outa.onceand__________allb.__________c.break__________d.__________chargeofe.thanks__________1.needsettlethisproblem____________________beforetheresearchprojectbegins.2.____________________recentresearch,effectivetreatmentsareavailable.3.Accordingthereport,thescientistwasFrancewhenthewar____________________.4.impliedthatshewastheone____________________thewholeproject.5.YesterdayI____________________andwasunableIII.选用合适的内容完成下列句子。1.WhatIwantknow__________(whether,when)heornot.2.Theproblem__________(that,who)leadtheresearchteam.3.Thetrouble__________(what,that)heknowsnothingabouttheresearchprojectatall.4.questionwas__________(where,that)hecouldthebus.IV.阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Scientistshavediscoveredthatthreekindsofsharks1.__________livethedeepoceanhaveanunusual2.__________(able)—they(发光)thedark.Whenalivingthinggivesoffa3.__________(call)bioluminescence.Bioluminescencefairlycommonthesea.Butbeforethis,nooneknewthatthekitefinshark,theblackbellylanternshark,andthesouthernlanternsharkwerebioluminescent.Thescientistssaythesharksseem4.__________(give)offamainlyfromtheirlowerbodies.It’snotclearexactly5.__________thesesharksStill,researchershaveacoupleof6.__________(idea).threeofthesharkslivedeeptheoceanwhereit’s7.__________(extreme)dark.Thescientiststhinkthattheglowhelpthesharksblend(与……融为一体)theweak8.__________(come)fromabove,whichprotectthemfrombeingattackedbytheirenemiesbelow.Anotherpossibility,forthekitefinshark9.__________least,thatusehelpfindfoodontheseafloor.Thekitefinsharknowtheworld’slargest10.__________(know)glow-in-the-darkvertebrate(脊椎动物).Itcannearly6feet.

答案:I.1.a.initialb.substantial2.a.thinkingb.findings3.a.conceptb.concreteII.a.forb.downc.outd.e.1.onceandforall2.Thanks3.brokeout4