UNIT5 HUMANS AND NATURE LESSON 3 课后练.doc

Unit5HumansandNatureLesson3课后练PartI基础部分一、基础词汇集训1._________n.探险者;勘察者2._________n.预备，准备3._________n.滑雪板;.滑雪4._________n.队长;组长5._________adj.极地的，地极的6._________n.基地，大本营;基础过以……为基地7._________adv.焦虑地;不安地8._________停止运转，出故障9._________n.抱负，雄心;追求，夙愿10._________n.探险;探索11._________adj.高兴的，兴高采烈的12._________n.证明;证实13._________adj.久远的;遏远的14._________n.坦诚，诚实，正直二、单句语法填空1.Theelephanthadheardthe__________(distance)alarmcallsofanimalsandhermoodsuddenlychanged.2.________(anxious),shetookthedressoutofthepackageandtriediton,onlytofinditdidn'tfit.3.Whilehighschooldoesnotgenerallyencouragestudentstoexplorenewaspectsoflife,collegesetsthestageforthat________(explore).4.________(base)onarealstory,thefilmwasverymoving.5.Itwaswith________(sincere)andfaithfulnessthatwecreatedaharmonious(和谐的)atmosphere.6.Drinkingwaterreallycankeepyou________(cheer).7.Thescientistsuseddetailedgeneticanalysis_____(prove)thelinksbetweenthem.8.Youcannotimaginewhatgreatdifficultytheyhad_____(solve)theproblem.9.I'man_____(ambition)writer,butwhenIstartedgoingthroughchemo(化疗),eventhoughIamapositiveperson,Ilostthedrivetowrite.10.Thenewsreportssaypeacetalkshavebroken_____withnoagreementreached.三、选词填空shelterfrom;havenegativeeffectson;haveatotalareaof;runoutof;holdonto;breakdown;bebasedon;inpreparationfor;behometo1.We_________theraininadoorway.2.Inspiration,passion,andmotivationaredifficultthingsto_________.3.Youneedtoknowwhattoabandonifyouare_________time.4.Japan_________tenpercentoftheworld'sactivevolcanoes.5.Shanghai_________about6,340squarekilometers.6.Thissong_________anoldfolktune.7.Thewashingmachineseemstohave_________again.8._________lectures,Iurgeyoutodosomereading.9.Competitionbetweenfriendsalways_________friendship.PartII提高部分阅读理解Inthepast50years,theamountofwaterintheopenoceanwithzerooxygenhasgoneupmorethanfourfold.Incoastalwaterbodies,includingrivermouthsandseas,low-oxygensiteshaveincreasedmorethantenfoldsince1950.ScientistsexpectoxygentocontinuedroppingevenoutsidethesezonesastheEarthwarms."Oxygenisfundamentaltolif