Unit 3 课后作业-2022-2023学年高中英语人教版（2019）必修第一册

高一必修一unit3课后作业I.用所给词的恰当形式完成句子1.Itmaytakeafewweekstobuildupyour_______________(strong)again.2.Thescientistwasinvited_______________(give)alectureatthemeetingyesterday.3.Hepretended_______________(finish)hisworkbutinfact,hedidn’t.4.Itisnoused_______________(buy)somuchfoodwhenthereisnoenoughpeopletoeatit.5.Theideaisworth_______________(consider).6.Thehardworkmademe_______________(tire).7._______________(nature),hisparentsdidn’tagreewithwhathesaid.8.Heisthemanwhohas_______________(set)agoodexampletotheyoungpeople.9.Thecaptainwas_______________(impress)bytheyoungman’sperformance.10.WrittenEnglishismoredifficulttomasterthan_______________(speak)English.II.完形填空Myfatherwaskilledinacaraccident.MysisterandIwerereallytooyoungto1whatwasgoingon,butIknewwemisseddadandmumwaslonely.Twoyearslater,bothofus2hertomeetsomeonenew.ThenCharlescameintomymum’slifeandtheydecidedtogetmarried.MysisterandIwereso3thatweweregettingadaddy.Thatwasjustthebeginningof4yearsforus.Charlessawusashisowndaughtersinsteadof“step”children.Mymotherwasaqueenandwewere5.Daddywasamanthatwewereso6tocallDaddy.7,wereceivednewsthatwouldforever8ourlives.Daddyhadcancer.Buthe9complained(抱怨)andwas10togetasmuchoutoflifeaspossible.IhaveneverexperiencedsuchpainasIdidseeingmyDaddy11.Ihavealsoneverseensuch12shownwhenhe13facedthedestiny(命运)withasmuchhumoranddeterminationashecouldgather.Iwillnever14thedayIwasspendingthemorningwithhimandhehadgottenviolently15.MomandIweresittingoutsidetheroomincaseheneededhelp.Allofasudden,hebegansinging,“JustACloserWalkWithThee”.Weraninsideandweremovedtoseeeveniffacingdeath,hestillhadasonginhisheartandasmileonhisface.Daddywenttoheavenweekslater,withourappreciationforhiscareanddevotiontothefamilyandoursadnessforlosingadaddy,notbyblood,butbylove.1.A.know B.witness C.catch D.observe 2.A.refused B.encouraged C.taught D.commanded3.A.excited B.sad C.afraid D.surprised4.A.painful B.harmful C.wonderful D.successful5.A.enemies B.girls C.daughters D.princesses6.A.proud B.upset C.afraid D.concerned7.A.Therefore B.However C.Thus D.Besides8.A.lose B.control C.change D.improve9.A.never B.sometimes C.frequently D.always10.A.confident B.hopeless C.foolish D.determined11.A.recover B.enjoy C.suffer D.lie12.A.fear B.hope C.doubt D.courage13.A.carefully B.bravely C.gently D.deeply14.A.remember B.forget C.want D.expect15.A.upset B.tired C.angry D.ill III.阅读理解AAsurveybytheAmericanPsychologicalAssociationshowsthatoneintenadultsreadsonlinenewsatleastonceanhour.Alothasbeenwrittenaboutthemental(心理的)healthinfluencefromnewsaddiction,andinparticularfromreadingnegativereports.Justlikejunkfood,“junk”newscanbebadforourhealth.Inrecentyears,thingshavebeengettingincreasinglymorenegative.AstudyofthecontentofNewZealand’slargestnewspapershowedthatwhilein1973theaveragenumberofstoriesaboutdeathonthefrontpagewas0.75,by2013itwas4.1(andno,thereweren’tfivetimesmorepeopledying).What’smore,onlinenews,andthestorieswereadonmobilephonesinparticular,tendtobeevenmorenegativethanprint.A2019studyof50U.S.newspapersshowedthatmobileversions(版本)ofnewspapersreportthreetimesmorestoriesaboutdisastersandaccidentsthanpaperones.Suchnegativereportsleadpeopletobelievethatthingsareworsethantheyreallyare.Theycanleadtostress,worryandlowerspirits.Experimentsalsosuggestthatlonelinessandpoorrelationshipshavebeenconnectedwithreadingnegativereports.Afterreadingnegativereports,peoplearelesslikelytohelpothers.Evenworse,whenwechecknewsonsmartphones,wemay“phub”ourlovedones,whichleadstolowerrelationshipsatisfaction.Negativereportsattractourattentionfarmorethanpositiveones.That’saglobalhappening.Ihope,however,thatifwerealizethatnegativenewsisspoilingourmoods,wemightallbemorewillingtochange.16.Whyis“junkfood”mentionedinthefirstparagraph?A.Toentertainreaders.B.Tointroducethetopic.C.Tomakeanadvertisement.D.Tokeepreadersawayfromit.17.WhatcanwelearnaboutthestudyinParagraph2?A.ThedeathrateinNewZealandisveryhigh.B.Printnewspapershavebecomelesspopular.C.Storiesaboutdeathhavebecomelesspopular.D.Negativereportinghasbeenincreasingoveryears.18.Whatmaynegativereportsleadpeopletodo?A.Liveahopefullife.B.Becomemorecareful.C.Becomelesslikelytohelpothers.D.Paymoreattentiontotheirphysicalhealth.19.Whatdoestheunderlinedword“phub”inParagraph5mean?A.IgnoreB.HateC.LaughatD.Careabout20.Whichofthefollowingcanbethebesttitleforthetext?A.ASurveyonNewsReadingHabitsB.NegativeEffectsofMobilePhonesC.IsOnlineNewsBetterThanPrint?D.IsJunkNewsaDangertoHealth?BUnlikehumanswhoenterastateofrelativelycompleteunconsciousness(无意识)whilesleeping,birdscanmorecarefullycontroltheirsleep.Birdsoftensleepwithoneeyeopen,onlyhalftheirbrainrestingatthesametime.Theotherhalfofthebrainisawake,abletonotedangerifneeded.Whiletheexactwayinwhichbirdscontroltheirsleeppatterns(模式)hasnotbeenwellstudied,ithasbeenshownthatthesaferabirdfeelswhensleeping,themorelikelyitistosleepdeeper.Ifthesituationismoreuncertain,however,thebirdwillsleepmorelightly.Sleepingtogetherisanotherdefensivemethodthatmanybirdsuse.Bylivingtogether,somespeciescancreateanighttimeplacewherethousandsofindividualssleep.Asaresult,therearemorebirdstonoticetheirenemies’attack,givingeachindividualbirdagreaterchanceofsurvival.Inwinter,manybirds,particularlysmallbirds,livetogethertosharebodyheatandsurvivelowernighttimetemperatures.Whenbirdssleep,theyburyweakbodypartsintheirfeathers(羽毛).Abird’sfeatherscreateairpocketsthathelpitkeepwarm,andbyplacingfeetorthebill(喙)intothefeathers,lessbodyheatislost.Whenabird’sbillisburieddeeplyinitsfeathers,itisalsoabletobreatheairwarmedbyitsownbodyheat.Thereislittledataabouthowlongbirdssleepatatime,butstudiesshowthatbirdsmaysleeplongerduringlongernights.Thismaybebecausebirdsarenotabletosearchforfoodortakepartinotheractivitieswithoutenoughlightandsosleepingisthenextnaturalitemontheirto-dolists.Birdsareabletosleepforashorttimeduringtheday,however,andcanalsosleeplongerwhenevertheyareinasafeplace.21.Howcanbirdscontroltheirsleep？A.Byopeningbothoftheeyes.B.Byignoringdangerfrequently.C.Byenteringadreamcompletely.D.Bykeepinghalfofthebrainawake.22.WhatisParagraph2mainlyabout?A.Birds’condition.B.Birdsweight.C.Birds’feelings.D.Birds’sleeppatterns.23.WhydobirdssleeptogetheraccordingtoParagraph3?A.Theycanattacktheirenemies.B.Theycanprotectthemselveswell.C.Theycanlowerbodytemperatures.D.Theycansharebodyheatinsummer.24.Wheredobirdsputtheirweakbodypartswhilesleeping?A.Intotheirfeathers.B.Intotheirfeet.C.Intotheirmouths.D.Intotheirskinpockets.25.Whatcanbeinferredfromthelastparagraph?A.Birdscansearchforfoodinweaklight.B.Birdsshouldplantheiractivitiesmorecarefully.C.Birdscanusuallysleeplongeratnightinwinter.D.Birdsshouldplacesleepingfirstontheirto-dolists.III.语法填空TheDujiangyanistheoldestman-madewatersystemintheworld,andawonderinthedevelopmentofChineseagriculture.Builtover2,200yearsagoin1isnowSichuanProvinceinSouthwestChina,thisamazingengineering2(achieve)isstillusedtoday.Inancienttimes,theregion3DujiangyannowstandssufferedfromregularfloodsfromtheMinjiangRiver.4(help)thevictimsoftheflooding,LiBing,theregiongovernor,togetherwithhisson,decidedtofind5solution.Lidesignedaseriesofchann