2020高考英语新创新一轮复习选修7unit21humanbiology课下作业（一_三）北师大版

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1、必修7Unit21HumanBiology课下作业（一~三）Ⅰ.单词拼写1．Mostbabiescandigest(消化)awiderangeoffoodeasily.2．Theflightwaspostponed(延期)becauseofthethickfog.3．Wecanfindthehappinessweseek(追求)ifwefirstshareitwithothers.4．Underthecircumstances(情况),wemustrelyonourselves.5．Theywereaccused

2、ofabusing(滥用)theirpowertokeeppricesartificiallyhigh.6．Asweallknow,soilisfundamental(根本的)tothegrowthoftheplants.7．Thedisappearanceofjobsisasymptom(征兆)ofadeepersocialeconomicchange.8．Duetobadmanagement,companyprofitshavebeendeclining(下降)overthelastthreeyears.9．

3、Yoursuggestionwassubmitted(提交)tothecommissionforitsconsideration.10．Withsuchashorttimeleftbeforethedeadline(最后日期),itisunlikelyforJohntofinishthejobontime.Ⅱ.单句语法填空1．Manyresidentsareopposedtobuilding(build)themotorway.Itisnotawisedecision.2．Let'spostponemaking(

4、make)adecisionuntilwehavemoreinformation.3．Hehasdeclinedto_come(come)andinthatcasewecanasksomebodyelse.4．Nobodycantolerate_being_cheated(cheat),andthat'swhyhehasnofriend.5．Weseekto_find(find)awaytomakeusgetalongwellwiththepeoplearoundus.6．Ifyouwanttoshareasto

5、ryofyourpetswiththereaders，youneedtosubmitittoSmartAnimals.7．Youmustcarrythenecessaryequipment(equip)withyou，sinceit'sallbutimpossibletofindnaturalsubstitutes.8．Wesharedthebeliefthatifyou'refortunate(fortune)enoughtohavesuccess,youshouldputsomethingback.9．Man

6、yfarmersopposed(opposite)theplanbecausetheyfearedthatwolveswouldkilltheirfarmanimalsorpets.10．Shewipedthesweatofffromherfacewithapieceoffacialtissue.Ⅲ.单句改错1．Myeffortstobringaboutasettlementendedofvain.of→in2．Shechoseanovelfromtheshelfinthelibraryinrandom.第二个i

7、n→at3．Thenumberofpopulationinthatcountryisnowinthedecline.in→on4．HemadefortuneinhisbusinesstradeontheInternetlastyear.made后加a5．Thestudentsinthelecturehallarefocusingintheprofessor'sspeech.第二个in→on6．Theyareurgentlyseekingoutthepostswheretheyarewellpaid.out→aft

8、er/for7．Iamverymuchopposedtopermithimtogoaloneatnight.permit→permitting8．Toourdelight,thesmokingofcigarettesisinthedeclineinthisarearecently.第一个in→on9．Thedrunkendriver,ratherthanthepasser