选择性必修第四册Uni1单元过关演练.docx

选择性必修第四册Uni1单元过关演练.docx

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选择性必修第四册Uni1单元过关演练

2020-2021学年人教版（2019）选择性必修第四册Uni1单元过关演练

　　本套试卷总分120分。

考试时间100分钟。

第一部分　阅读（共两节,满分50分）

第一节（共15小题;每小题2.5分,满分37.5分）

阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。

A

Technologymakeslisteningtoholidaymusiceasierthanever.ThereareendlesssourcestohelpyoufindyourfavouriteChristmastunesandmanyothersongs.Peoplehaveexploredhowtolistentoholidaymusicwithhigh-techdevices.

AppleMusic

ThisisthefirstyearthatyoucanuseAppleMusictolistentoholidaysongs.AppleMusichasmorethan30millionsongsandisavailableinover100countries.

TellvoiceassistantSirito“playholidaymusic”toopenthemusicprogramonyouriPhone,iPadorAppleTV.AppleMusicappisavailableintheGooglePlaystore,butnotwithavoiceassistant.

Forthefirstthreemonths,youcanuseitforfree.Afterthat,usershavetopayasubscriptionfee.

GooglePlayMusic

GooglePlayMusicisalsointheholidayspirit.GototheGooglePlayMusicHolidaypageandsearchfor“holidaymusic”.

GooglePlayMusicisavailableforfreeifyoudon’tmindtheadvertisements.Ifyoudo,buyapaidsubscriptiontoavoidthem.GooglePlayMusicoffersmorethan30millionsongsfrom58countries.

TuneInRadio

ListentoradiostationswithTuneInRadio.Thisisanonlineserviceandoffersstationsfromallsevencontinentsintheworld,includingAntarctica.TuneInRadioisavailableonyourcomputerandisfreetoonlineusers.IntheUnitedStates,BritainandCanada,apaidsubscriptiongivesyoumorestationswithoutadvertisements.

（　　）1.WhatcanwelearnaboutAppleMusic?

A.Itisanewtooltolistentoholidaymusic.

B.Itispopularinover100countries.

C.Itcanonlybeusedforthreemonths.

D.Itcanonlybeusedafterthesubscription.

（　　）2.What’sspecialaboutGooglePlayMusic?

A.Itisfavouredbyyoungpeople.

B.Itcanalwaysbeusedforfree.

C.Ithasthelargestnumberofsongs.

D.Itdoesn’tallowanyadvertisement.

（　　）3.WecanlearnthatTuneInRadio　　　　. 

A.hasover30millionsongs

B.isavailableonourmobiledevices

C.offersstationsfromaroundtheworld

D.isexpensiveinAmericaandCanada

B

PeopleoftenaskhowIdecidewheretogo,andIusuallygethesitatedwithmyresponse,asIdon’tactuallyhaveananswertothat.Formorethanthreeyears,Ihavebeenmakingmovementswiththeuniverse,travellingfromlocationtolocationatseeminglyrandomintervals.

AfriendofminepostedaFacebookstatusaskingifanybodywasinterestedinajobteachingEnglishinChina.SoIjumpedonacomingplane.Walkingintomyfirstclass,Iwasbombedby16strangechildrenwhocouldn’tunderstandasinglewordoutofmymouth.WhenIwalkedoutofmylastclass,sixmonthslater,Ihadmadeapersonalconnectionwiththem.SomeofmystudentscouldbarelyspeakChineseorEnglish.Butsomehow,throughdeterminationandforce,weconnected.

EveryclasswasnotonlyalessoninEnglish,butingoodfellowship,beingarolemodel,beingaparent,andbeingafriend.Ibecameafathertosome,anolderbrothertoothers.Iwaslovedandadored,fearedandhated.Ihadtolearndiscipline,andnotonlyhowtodealitout,buthowtodisciplineandconductmyselfasarolemodel.Butinbetweenthediscipline,Ihadtomakelearningafunexperience.AndtheyforgavemewhenIyelledorgotupset.Andwhentheythrewatemperorbruisedtheirkneesormissedtheirmummy,Iforgavethem,kissedtheirbruisesbetter,andgavethemashouldertocryon.

TeachingEnglishinChinais,byfar,themostemotionallyrewardingandfulfillingthingI’veeverchallengedmyselftodo.Ihavewalkedawayfromthisjobwithasoftenedheart,knowingthatIhavemadeadifferenceinsomanylives.Iwantthat.Iwantmyteachingstobereciprocalbecausetheytaughtmehowtounconditionallyopenmyheartandhowtobeamorelovingandpatientperson.

（　　）4.WhatcanwelearnaboutthewriterbeforehecametoChina?

A.Hedidn’thaveafixedjob.

B.Hewasaprofessionalwriter.

C.Heworkedinatravelagency.

D.Hetaughtinalanguageschool.

（　　）5.Whatwasthesituationlikewhenthewritermethisstudentsforthefirsttime?

A.Hard.B.Exciting.C.Touching.D.Inspiring.

（　　）6.WhatcanweinferaboutthewriterfromParagraph3?

A.Hewascasualandpatient.

B.Hewasresponsiblebutsensitive.

C.Hewascautiousbutbad-tempered.

D.Hewasself-reflectiveandconsiderate.

（　　）7.Whatdoestheunderlinedword“reciprocal”inParagraph4mostprobablymean?

A.Beneficial.B.Interacted.

C.Encouraging.D.Acceptable.

C

Whilethestartofanewschoolyearisalwaysexciting,thisyearwasevenmoresoforsomeelementaryschoolstudentsinAuckland,NewZealand.Theybecametheworld’sfirstkidstobe“taught”byadigitalteacher.Beforeyoustartimaginingahuman-likerobotwalkingaroundtheclassroom,Willisjustanavatarthatappearsonthestudent’sdesktop,orsmartphonescreen,whenorderedtocome.

Theautonomousanimationplatformhasbeenmodeledafterthehumanbrainandnervoussystem,allowingittoshowhuman-likebehaviour.ThedigitalteacherisassignedtoteachVector’s“Besustainablewithenergy”—afreeprogramforAucklandelementaryschools.

Justlikethehumansitreplaced,Willisabletoinstantlyreacttothestudents’responsestothetopic.Thankstoawebcamandmicrophone,theavatarnotonlyrespondstoquestionsthekidsmayhave,butalsopicksupnon-verbalcues.Forinstance,ifastudentsmilesatWill,herespondsbysmilingback.Thistwo-wayinteractionnotonlyhelpsattractthestudents’attention,butalsoallowstheprogram’sdeveloperstomonitortheirengagement,andmakechangesifneeded.

NikhilRavishankarbelievesthatWill-likeavatarscouldbeanovelwaytocatchtheattentionofthenextgeneration.Hesays,“Ihavealotofhopeinthistechnologyasameanstodelivercost-effective,rich,educationalexperienceinthefuture.”

Theprogram,inplacesinceAugust2018,hasbeenagreatsuccessthusfar.Ravishankarsays,“WhatwasfascinatingtomewasthereactionofthechildrentoWill.Thewaytheylookattheworldissocreativeanddifferent,andWillreallycapturedtheirattention.”However,regardlessofhowpopularitbecomes,Willisunlikelytoreplacehumaneducatorsanytimesoon.

（　　）8.WhatwasspecialforsomeelementaryschoolstudentsinAuckland?

A.Adigitalteachertaughtthem.

B.Theyfirstsawsomethingdigital.

C.Thiswasthestartofanewschoolyear.

D.Theycouldgetclosetothesmartphonescreen.

（　　）9.Whatisthebenefitofthistwo-wayinteraction?

A.Itcansmileback.

B.Itcanuseamicrophone.

C.Itcantalkanytopicforfree.

D.Itcanchangeifnecessary.

（　　）10.What’sRavishankar’sattitudetoWill’sreplacinghumaneducatorssoon?

A.Optimistic.B.Doubtful.

C.Unclear.D.Disapproving.

（　　）11.Whatmightbethebesttitleforthepassage?

A.Newhigh-techcontributestoeducation

B.Theworld’sfirstdigitalteacherappearsinclassrooms

C.Theworld’sfirstdigitalteacher,ahelptostudents

D.NewZealandwillreplaceteachersinclassrooms

D

Haveyoueverexperiencedsuchanannoyingthingasittooksolongtoopenawebpage?

You’rewatchingstopseveryfewminutes,whichruinedyourInternetexperience.Butitcouldbeathingofthepast.OnJune3,theMinistryofIndustryandInformationTechnologyannouncedthatChinawouldissuelicencesforthecommercializationof5G.Itmeansmajortelecomscarrierswillstarttoprovide5Gservices.

The“G”in“5G”referstothegenerationofmobilenetworktechnologies.1Gletustalktoeachother,2Gletussendmessages,3GgaveusmobiledataandtheInternet,and4Gmadeallofthesethingsfaster.

Now5Gpromisesmuchfasterdatadownloadanduploadspeeds,andmorestableconnections.ThismeansthatyouwillbeabletodownloadanentireHDmovieinsecondsandonlyexperienceashortdelaybetweensendingandreceivingdata.Forexample,whenyouhaveavideochatwithyourfriend,thereisgenerallya100to200milliseconds（毫秒）delaywith4G,but5Gwillreducethedelayto1millisecondorless,whichisalmostrealtime.

Witha5Gnetwork,theshortdelayininformationexchangewillallowdriverlesscarstorunmoresafely,astheywillbeabletocommunicateinrealtimeandavoidpotentialdangers.Meanwhile,5G-enabledwearabledeviceswillkeepdoctorsconstantlyupdatedonthehealthstatusoftheirpatientsandwarnthemimmediatelyifthere’ssomethingwrong.Besides,VRgameswillbecomemorepopularwith5G.Theshortdelayof5Gwillmakethegamesfeelevenmorereal.

Though5Gwillmakeourlivesmoreconvenient,itwillnotbeperfect.Foronething,5Gwillnot“travel”far.On4Gnetworks,youcanbe10kilometresawayfromthenearesttransmission（传输）baseandbarelylosesignals.But5Gwillonlycoverabout300metres,meaningwewillneedmoretransmitterssothatwecangetsignals.Andinordertouse5G,wewillhavetobuynewproductsspeciallydesignedfor5Gthatarecurrentlyexpensive.

（　　）12.Whatisthefunctionofthefirstparagraph?

A.Toprovideabackgroundofthetopic.

B.Toofferbasicknowledgeofthetopic.

C.Touseanexampletosupportthetopic.

D.Todrawreaders’attentiontothetopic.

（　　）13.Accordingtothepassage,whatislikelytohappentoourlifewith5G?

A.Doctorscantreatmorepatients.

B.Nodriversareneededinthenearfuture.

C.Manyadvancedtechnologieswillbefurtherimproved.

D.ChildrenwillhateplayingVRgamesintherealworld.

（　　）14.Whatcanbefoundwhen5Giscomparedwith4G?

A.4Gcoverssmallerareas.　B.4Gneedsmoretransmitters.

C.5Gsignalscantravelfarther.　D.5Gcostshigherinearlystage.

（　　）15.Whatisthetextmainlyabout?

A.Thedevelopmentof5G.

B.Challengesth