Unit 5 A delicate world Period 1 同步课后练习 -外研版（2019）高中英语选择性必修第二册

Unit5AdelicateworldPeriod1一词形转换和动词的形式变换(用所给词的正确形式填空)1．(北京卷)Teenagersclimbeddozensofflightsofstairstodeliverwaterandfoodtoelderlypeople(trap)inpowerlesshigh­risebuildings.2．EversinceItooktheleadershipposition,mytroubleshave(multiple)tenfold.3．Noonewasinjuredinthe(explode),buttheambulancewascompletelydestroyed.4．Asthedaysetfor(depart)drewnear,ItoldmywifethatIcouldnotgoalongsidethem.5．(2020·全国卷Ⅱ)Butsome(ecology)andfashion(时装)enthusiastsaretryingtobringbackthemarketforfurmadefromnutria(海狸鼠).6．WeattheNYFCneedbroadsupportasweurgeCongresstoincreasefarmland___(conserve).7．Thereislittleevidenceoftheeffectivenessofthese(intervene)atpresent.8．(subsequent),shepersuadedherhusbandtoallowhertoworkinthecountryside.二固定用法和搭配(空白处填入一个适当的单词或括号内单词的正确形式)1．(天津卷)Thehospitalhasrecentlyobtainednewmedicalequipment,_(allow)morepatientstobetreated.2．Owingtherain,thetabletfairwascancelled.3．Somedayslater,thelionfellatrapandittriedtogetoutofit,butinvain.4．Thenumberofboardersoftheschoolhasdecreasedthreehundred.5．Thecomradehashelpedyoualot,soyouowetohimtotreathimtodinner.6．Notuntiltheteachercameinthestudentsstoptalking.7．Mymotherhasnoappetitefood,soIcooksomedisheseasytodigestforher.8．Thelittleboyranalongthestreetnothingon.9．consequenceofyourbadworkIamforcedtodismissyou.10．Thoughheis10yearsold,hedoesn'tknowthat2multiplied4makes8.三完成句子/句型转换/一句多译1．占用你那么多的时间我非常抱歉。Ioccupyingtoomuchofyourtime.2．我希望你永远不要失去对学习的欲望。Ihopeyou'llnever．3．Hewastrappedinatrafficjam,sohehadtobepatient,waiting.→,_hehadtobepatient,waiting.(过去分词短语作状语)4．Europeanfootballisplayedin80countries,whichmakesitthemostpopularsportintheworld.→Europeanfootballisplayedin80countries,．5．直到最近他们才鼓励农村地区发展与旅游相关的活动。①thedevelopmentoftourist­relatedactivitiesintheruralareas．②thedevelopmentoftourist­relatedactivitiesintheruralareas.(倒装句)四课文语法填空MacquarieIslandtakesonalong,thinshape,1.isbecauseofstrongwindsand2.(storm)seas.ItisaUNESCOWorldHeritageSite.Itsnativeinhabitantsexistedinperfectharmonywiththeirnaturalhabitatforthousandsofyears.In1810,humansarrivedontheislandwithratsandmiceunknowingly.Theseanimalsquicklytookovertheisland,3.(bring)disasterstobirds.Unfortunatelycats4.(intend)tocontrolratsandmicedevelopedanappetiteforbirds,too.Later,rabbits5.(introduce)buttheyledtogreaterdamagetotheisland.Expertscameupwithaplantoreleaseavirus6.(kill)therabbits,butafterwards,theydevelopedanimmunity7.thevirus,andtheir8.(number)explodedonceagain.Thisincidentmade9.clearthattherat,mouseandrabbitproblemneededsolvingonceandforall.Iamheretotacklethisproblem.Ibroughttraineddogstoremovethelast10.(remain)invadingspecies.Ihopewehumansoweittotheislandtogiveitahappyending.Ⅰ.阅读理解ATheideaofturningrecycledplasticbottlesintoclothingisnotnew.Duringthelastfiveyears,alargenumberofclothingcompanies,businessesandenvironmentalorganizationshavestartedturningplasticsintofabrictodealwithplasticpollution.Butthere'saproblemwiththismethod.Researchnowshowsthatmicrofiberscouldbethebiggestsourceofplasticinthesea.Dr.MarkBrowneinSantaBarbara,California,hasbeenstudyingplasticpollutionandmicrofibersfor10yearsnow.Heexplainsthateverytimesynthetic(合成的)clothesgointoawashingmachine,alargenumberofplasticfibersfalloff.Mostwashingmachinescan'tcollectthesemicrofibers.Soeverytimethewatergetsoutofawashingmachine,microfibersareenteringthesewersandfinallyendupinthesea.In2011,Brownewroteapaperstatingthatasinglepieceofsyntheticclothingcanproducemorethan1，900fibersperwash.Brownecollectedsamplesfromseawaterandfreshwatersitesaroundtheworld,andusedaspecialwaytoexamineeachsample.Hediscoveredthateverysinglewatersamplecontainedmicrofibers.Thisisbadnewsforanumberofreasons.Plasticcancauseharmtosealifewheneaten.Studieshavealsoshownthatplasticcanabsorbotherpollutants.Basedonthisevidence,itmayseemsurprisingthatcompaniesandorganizationshavechosentoturnplasticwasteintoclothingasanenvironmental“solution”.Eventhoughthesciencehasbeenaroundforawhile,Browneexplainsthathe'shadadifficulttimegettingcompaniestolisten.Whenheaskedwell­knownclothingcompaniestosupportBenignbyDesign—hisresearchprojectthatseekstogetclothesthathaveabadeffectonhumansandtheenvironmentoutofthemarket,Brownedidn'tgetasatisfyinganswer.Onlyonewomen'sclothingcompany,EileenFisher,offeredBrownefunding.1．Whathashappenedduringthepastfiveyears?A．Fabrichasbecomemuchstronger.B．Plasticpollutionhasbeenlessserious.C．Manyplasticbottleshavebeenreused.D．Microfibershavebeengreatlyimproved.2．WhatdoesBrownethinkofwashingsyntheticclothes?A．Itisaddingmicrofiberstotheclothes.B．Itisworseningenvironmentalproblems.C．Itismakingsyntheticclotheslastlonger.D．Itisdoinggreatdamagetowashingmachines.3．WhatcanbeinferredaboutBrowne'sBenignbyDesignresearchproject?A．Ithasachievedgreatsuccess.B．Ithasn'tgotanythingdone.C．Itisknowntoveryfewpeople.D．Itisfacingsomedifficulties.4．What'sthebesttitleforthepassage?A．It'sImportanttoLearntoRecycleB．It'sNeverEasytoSolvePollutionProblemsC．RecycledPlasticClothing:SolutionorPollution?D．AreHumanBeingsMovingForwardorBackward?BTeensandpreteenswhostarttheschooldayreallyearlytendtoweighslightlymorethanthosewhostartlater.That'sthefindingofanewstudyofnearly30，000Canadiansbetweentheagesof10and18.Thesedataarethelatestevidencethatstartingschooltooearlycanharmhealth.“Weknowfromearlierstudiesthatwhenschoolstartstooearly,kidscan'tgetthesleeptheyneed，”saysGenevieveGariepy.SheworksatMcgillUniversityinMontreal,Canada.Gettingtoolittlesleepcanputkidsatriskforanumberofproblems.Sleepyteensaremorelikelytobeoverweight,tohavetroubleconcentratingandtostruggleinschool.Theyalsoareathigherriskoffeelingdepressed,usingalcoholordrugsandgettingincaraccidents.Asanepidemiologist(流行病学家),Gariepyisinterestedinpatternsofdisease.Shestudiesteenobesity,orextremelyoverweight.Inthisstudy,shewantedtoknowhowearlierschoolstarttimemightbelinkedtoweight.“OverweightandobesityinadolescentsisabigprobleminNorthAmerica，”shesays.Thenumberofoverweightkidshasgrownoverthepast30years.AboutoneinthreeUSandCanadianteensarenowoverweightorobese.Kidswhodon'tsleepenoughmaybeathigherrisk.SoGariepydecidedtofindmoreabouttheimpactofschoolstarttimes.Herteamcollectedstarttimesof362Canadianschoolsandfoundthatamong“6to10”graders,thosewhostartedschoolearliertendedtobeslightlyheavierfortheirheight.Every10­minutedelayinschoolstarttimewaslinked,onaverage,toaslightlylowerweightamongstudentswhowerethesamesex,ageandheight.Butit'snotclearthatchangingschoolstarttimewouldhelpheavierkidsloseweight.Toknowforsure,researcherswouldwanttocomparethesamekidsbeforeandafterchangingtoalaterschoolstarttime.5．Whatisthefunctionofthefirstparagraph?A．Tointroducethemaintopic.B．Toshowconcernforteenagers.C．Toshowtheimportanceofthestudy.D．Toofferadviceonschoolstartingtime.6．WhatdoesGariepywanttofindoutinherresearch?A．Howtoridadolescentsofbeingoverweight.B．Thelinksbetweenschoolstarttimeandteenobesity.C．Whymoreandmorestudentsarebecomingobese.D．Themostsuitablesleeptimeforschoolstudents.7．WhatcanweinferaboutthestudyofGariepyandherteam?A．A10­minutedelayisenough.B．Schoolsmayvalueitsconclusion.C．Itsconclusionisreliable.D．Moreworkremainstobedone.8．Whatcanbeasuitabletitleforthistext?A．ExpertsWorryAbouttheHealthofAdolescentsB．OverweightBecomesCommonAmongTeenagersC．StudyLinksWeighttoSchoolStartingTimeD．StudentsTendtoSleepLessThanBeforeⅡ.完形填空IthappenedonarainySaturdaymorninglastmonth.MywifeCatherineandIweredrivingalongwhatsomepeoplecalledmoose(麋鹿)alley.Itwasso__1__thattherewerefewcarsontheroad.__2__，amoosejumpedoutacrossourpath.Ihadbeendrivingforyearsandwas__3__indriving.Inordertoavoidknocking__4__themoose,Imadeaquickturntotheotherlane.HadInotdonethat,themoosemighthavebeenkilled,andmywifeandImighthavegot__5__，too.Afewsecondslater,whenIstoppedandlookedbackinmyrearviewmirror,themoosewasgettingupandthenranintothebush.Shakenbut__6__，webothlookedateachotherwithasurprisedexpression.Fromthenon,Ioftenthoughtaboutthe__7__betweenhumansandwildlife.Weknowthatanimalspecieshaveappearedanddisappeared__8__sincelifebeganontheEarth,whichisa(n)__9__phenomenon.However,animalspecieshavebeen__10__atamuchfasterrateforaboutacenturynow__11__humanfactorssuchaspollution.Certainphilosophersandscientistskeeprepeatingthatifwedon'tsaveanimals,howwewillbeabletosaveourselves.Abetter__12__ofanimalsgivesusabetterunderstandingofourownspecies.The__13__toprotectanimalsandnatureingeneral__14__thevalueofasociety.Andallanimalsplayrolesinnatureandhavearightto__15__.Therefore,Ithinkweshouldtryourbesttosaveendangeredanimals,becausehumanscannotliveontheEarthalone.1．A.remote B．peacefulC．early D．deserted2．A.Expectedly B．AbruptlyC．Eventually D．Obviously