选择性必修第四册Uni1单元过关演练Word格式文档下载.docx
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选择性必修第四册Uni1单元过关演练Word格式文档下载.docx
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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
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