Unit+2+Loo king+into+the+Future+复习检测 高中英语人教版（2019）选择性必修第一册

Unit2复习材料Haveyoueverforgottentolockthedoorofyourhouse?Or,haveyoueverforgottentoswitchofftheTVorcomputer?Thesekindsofthings(发生在某人身上)allthetime,(浪费资源),andcansometimesleadtoproblems.However,inthenot-too-distantfuture,wewillbelivinginsmarthomesthatwilllockthedoorforuswhenweareawayandremembertoswitchofftheTVwhenweforget.Thesesmarthomeswillkeepussecure,saveusenergy,andprovideamorecomfortableenvironment(livein).IntelligentControlsToday,wehavetouseswitchesforourlights,knobsforourappliances,and()(遥控器)forourTVsandairconditioners.Inthefuture,wewillbeusing(先进的科技)everydayforautomaticcontrolofjustabouteverythinginourhome.Thefuturehomewilluseintegratedsensorstotellwhenyouleavehomeeachmorning,andthengointoan(节能模式)allbyitself.Youwillnolongerhavetothinkaboutturningswitchesonandoffyourself.Yourhomewillalsolearnyour(日常生活)dailyroutineandpreferences,soeverythingwillbereadyforyouwhenyougethomeeachevening.Yourlightswillcomeon(一…就)youenterthedooralongwithyourfavouritemusicorTVprogrammes,andyouwillfindyourdinneralready(prepare)foryou.Allcontrolswill(回应，回复)voicecommands,soifyouwanttochangeyourroutine,youjustsayaloudwhatyouwantandthehomesystemwillobey.RegularHealthChecks()(此外),yoursmarthomewillbemonitoringyourhealthforyoueveryday.Yourbed,forexample,willrecordhowwellyousleepeverynight.Itwillalsobecheckingyourbodyweight.Ifyoustarttohavesleeporweightproblems,itwill(给…发出警告)yourphone.Itwillalsogiveyousuggestionsonahealthierdietandhowtosleepbetter.Smarttoilets(将会持续追踪)yourhealthaswell.Theycanwarnyouearlyonifthereissomethingabnormalorifyouhaveacriticalillness,suchascancer,andpotentiallysaveyourlife.NoMoreDisastersSmarthomeswillbeabletoseriousdamage(阻止…免受)accidents.Forexample,ifawaterpipestarts(leak),orifthereisashortintheelectricalwiring,yoursmarthomewilldetectitand(为你提供相关信息).Thisway,youwillbeableto(解决)theproblembeforeyourhomebecomesfloodedorcatchesfire.Thissmarttechnologyisnotafantasy.Manyofthesenewinnovationsarealreadyavailableandbeingusedinsomehomes.Inthissense,thehomeoftomorrowisalreadythehomeoftoday.Nevertheless,itwilltakesomeyearsbeforemostnewhomesbegintousethisnewtechnology.Thismorning,Isaw___________________(震惊的头条):“PassengerDiesWhenCarCrashesinDriverlessMode”.Inthearticle,variouspeoplesaidthatthepublicshould_______________(反对…的想法)developingdriverlesscars.Theysaidthatsomeadvancesintechnologywereunnecessaryandcouldevenbedangerous.________(因此),weshould_________________(停止接受技术)justbecauseitisnew.Thenewspaperreportedthatthecarcompanyhadalready_____________(为…道歉)theaccident,butthefamiliesofthedeceased(死者)saiditwasnotenough.Nevertheless,thecompanystill_________(宣称)thatmostpeoplewouldbetravellingindriverlesscarsonedaysoon.________________(一方面),therearemanydifferentgroupsofpeoplearoundtheworld_____livehappily______________(缺少)newtechnology.ProbablythemostwellknownaretheAmish,agroupofChristians_______(live)inruralAmerica.Theydonotownordrivecars,watchTV,orusetheInternet.They(live)mainlyasfarmerssincethe18thcentury,andtheywillprobablybelivingthesameway_________________(在遥远的未来).They____________________(提倡简单生活)___________________(强调)hardwork,family,andcommunity.Theythinkthatisbetterthancaringaboutluxuries(奢侈品)orfollowingthelivesoftherichandfamous.ItcouldbeevenarguedthattheAmish’squalityoflifeisbettersincetheyliveinandappreciatethenaturalenvironment____________(而不是)livinginlarge,pollutedcities.____________________(另一方面),newtechnologyhasprovidedpeopleeverywherewithmanybenefitsovertheyears.Forexample,thelatestweather-trackingcomputerprogrammesgivepeoplelotsofwarningsaboutpotentialnaturaldisasters,whichsavesmanylives._____________(此外),theInternet_____________________(使…成为可能)forfriendsandfamilytokeepintoucheasilyeveniftheyareonoppositesidesoftheworld.Ithasalsomadefindingopportunitiesinlifemucheasier,asitallowspeopletomakelargernetworksoffriendsthroughusingsocialmedia._____________(就个人而言),I________________________(从…中受益良多)technologicaladvances.IfoundmycareerasanAIdesignerthroughasocialmedianetwork.Myhealthmonitor,whichIwearallthetime,hasalsohelpedmegetintothebestshapeofmylife.Ofcourse,whennewtechnologychangesthewaywelive,itcanbeascaryprospect.(可怕的前景).Nevertheless,Iwillalways_________________________(看…的积极方面)changeandacceptitratherthan________(抵抗)it.neverthelessinadditionpotentialkeeptrackoftheinstant1.ItriedphoningLilyIgothome.2.Thehotelisequippedwithairconditioners.,electricfansareavailableincasesomeguestsarenotusedtoairconditioning.3.Myparentscomefromthisarea,soit’slikecominghome.4.Scientistssaythatthistechnologyisalsousefulfordevelopingelectronicdevices.5.Themonitoringsystemwhatisgoingoninthehouse.6.I’msorrytosaythatwecan’taffordanynewequipment.,wecanstillkeepaheadofourcompetitorsbydevelopingnewinnovations.CLONING:WHEREISITLEADINGUS?Whenitwasannouncedin2018thattheChineseAcademyofSciencesinShanghaihadcreatedtheworld’sfirstclonedmonkeys,ZhongzhongandHuahua,heateddiscussionsfollowedonline.Infact,cloninghasalwaysbeenwithus.Itisawayofmakinganexactcopyofanotheranimalorplant.Ithappensinplantswhengardenerstakecuttingsfromgrowingplantstomakenewones.Italsohappensinanimalswhenidenticaltwinsareproducedfromthesameegg.Thesearebothexamplesofnaturalclones.Cloninghastwomajoruses.First,gardenersuseittoproducelargequantitiesofplantsforsale.Second,itisvaluableforresearchonnewplantspeciesandformedicalresearchonanimals.Cloningplantsisfairlystraightforward,whilecloninganimalsismuchmorecomplicatedanddifficult.Overtheyears,manyscientistsfailedintheirattemptstocloneanimals,buttheirdeterminationandpatiencepaidoffin1996withabreakthrough—thecloningofDollythesheep.Thesheepcloningprocedureworkslikethis:•FemalesheepAprovidesaneggcell.•Thenucleusisremovedfromtheeggcell.•Theeggcellisreadyforanewnucleus.•FemalesheepBprovidesasomaticcell（体细胞）fortheclone.Thenucleusofthiscellcontainsallthegenesneededtoproduceanewsheep.•Thenucleusistakenoutofthesomaticcell.•ThesomaticcellnucleusfromsheepBandtheeggcellfromsheepAarejoined.•Thecelldividesandgrowsintoanembryo.•TheembryoisputintofemalesheepC,whobecomesthecarrieroftheclone.•ThelambwhichisbornisthecloneofsheepB.ItisineverywayidenticaltosheepB,butyounger.Withtheadvancesofscientificresearch,cloningwillhaveseveralmajorusesinthefuture.Foronething,itcouldbeusedtobreedanimalspecieswhichareendangered,orevenbringbackspecieswhicharenowextinct.Foranother,itcouldbeusedtogrowhumanorgansortissueinanimals,whichcouldbeusedforhumanorgantransplantsormedicaltreatments.Finally,cloningcouldbeusedtobreedanimalsthatwillprovideuswithhigherqualitymeat,milk,oreggs.Whiletherearetechnicalissuesthatneedtobeworkedthroughtomakewidespreadcloningpossible,thebiggestconcernsaremoral.Forexample,ifscientistsbroughtanextinctanimalbackintoexistence,itwouldprobablyenduplivinginazoo.Thatisnotverygoodfortheanimal.Evenworsefortheanimalisusingitasasourceoforgantransplants—because