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UNIT5HUMANSANDNATURESectionBLESSON2&LESSON3课后篇巩固提升必备知识基础练Ⅰ.单词拼写1.Itisdifficultto(呼吸)athighaltitudes.答案breathe2.Thefirewasputoutwithout(死亡).答案death3.You(挽救)mefromanembarrassingsituation.答案rescued4.Itisalong(过程)forplasticbagstobreakdown.答案process5.Theenemyfailedintheir(企图)tolandontheisland.答案attempt6.Arescueteamistryingtoreachthe(被困的)miners.答案trapped7.Thesuddennoisefromthenextroom(打断)mythought.答案interrupted8.Theman(带领)usaroundtheplaceofinterest.答案conducted9.Hissunglassesgavehiseyes(防护)againstthesunshine.答案protection10.Thiscouldcausesome(损害)tothecountry’seconomy.答案damage11.Scientistshaven’t(估量)thepositiveeffectsoflaughteronthechildren.答案measured12.Theyoungnursewasverynervouswhensheassistedatherfirst(手术).答案operation13.Heis(准备)hisspeechforthemeetingtomorrow.答案preparing14.Thecompanyhasits(基地)inNewYork,andbranchofficesallovertheworld.答案base15.Heiswaiting(不安地)fortheoutcomeofhismedicalexamination.答案anxiously16.Shegavemea(兴高采烈的)smile.答案cheerful17.Hehopeshisdreamwillcometrueinthenottoo(久远的)future.答案distant18.Therewasn’tenoughevidenceto(证明)thathedidwrong.答案proveⅡ.单句语法填空1.Hisheartbeatsowildlythathecouldhardly(breath).答案breathe2.Warshavebroughtwidespreadhuman(suffer).答案suffering3.Hestudiedhardinanattempt(pass)theexam.答案topass4.It’stimetotake(measure)tostopillegalhunting.答案measures5.Hehadhisstudy(interrupt)whenthewarbrokeout.答案interrupted6.ThebattleAIDSwillcontinueforthecomingyears.答案against7.Theytriedtosaveallthepeople(trap)undertheruins.答案trapped8.His(lose)ofbloodledtohis(die)aftertheaccident.答案loss;death9.Thepolicehavelaunchedamajor(operate)againstdrunkdriving.答案operation10.Nowyouareindanger.Ithinkyoushouldaskthelocalpolicefor(protect).答案protection11.“We’vecomewithgoodnews,”Patsaid(cheerful).答案cheerfully12.YangLiweiisChina’sfirstastronaut(go)intospace.答案togo13.Theteamhasbeentraininghardin(prepare)forthebiggame.答案preparation14.Thefilm,(base)onatruestory,hasattractedpeople’sattentionalloverthecountry.答案based15.Iwonderwhypeoplearealwaysin(anxious)whenitisnotdifficulttobehappy.答案an