牛津译林版英语八年级下册 Unit3 Online tours单元提高卷（I）卷

第PAGE\*MERGEFORMAT1页共NUMPAGES\*MERGEFORMAT1页牛津译林版英语八年级 下册 数学七年级下册拔高题下载二年级下册除法运算下载七年级下册数学试卷免费下载二年级下册语文生字表部编三年级下册语文教材分析 Unit3Onlinetours单元提高卷（I）卷姓名:________班级:________成绩:________一、单项选择(共15题；共30分)1.（2分）LastmonthItravelledacrosstheSaharaDesertby          camelwithsomelocals.What      amazingexperience!A.the,an    B.a,/    C./,the    D./,an    2.（2分）It'san_______book,Iam_______init.A.interested,interesting    B.interesting,interested    C.interesting,interesting    D.interested,interested    3.（2分）--Whenwillwegoskating?--Itdepends         whenIwillhavefreetime.A.in    B.to    C.at    D.on    4.（2分）Youshouldtryyourbesttocatchupwithyourclassmates.Don't_________________yourparents_________________.A.make,up    B.let,high    C.let,down    D.let,low    5.（2分）-WhereisMr.Zhao?-He_________toMountFanjing.He'llcomeback_______aweek.A.hasbeen,in    B.hasgone,after    C.hasgone,in    D.hasbeen,after    6.（2分）Ihavetravelledalot.I________speakfourlanguages.A.can    B.may    C.must    D.need    7.（2分）-________you________takeabustoschool?-Yes.ButnowIusuallygotoschoolonfoot.A.Did;useto    B.Were;usedto    C.Do;useto    D.Did,useto    8.（2分）Driveslowly,Mary.______issomethingaheadontheroad.A.It    B.This    C.That    D.There    9.（2分）—IsMrJohnsontryingto________hisdog?—Yes.Heisteachingittoshakehandswithhimnow.A.show    B.train    C.exercise    10.（2分）—Sorry,I'mlate.Hasthemeetingbegun?—Itdoesn'tmatter.Themeeting       forseveralminutes.A.hasjustbegun    B.hasjustbeenover    C.hasjustbeenon    D.hasjustended    11.（2分）Billistenyearsold．Hehasa_________sister.A.4yearsold    B.4-year-old    C.4-years-old    D.4years'old    12.（2分）—WasMr.Greenbadlyhurtintheaccident?—_____.Heisstillinhospitalnow.A.Idon'tthinkso    B.I'mafraidso    C.Ihopeso    13.（2分）—MayIspeaktoMr.Lee?—Sorry,he______Harbin,he______thecityfortwodays.A.hasbeento;hasbeenin    B.hasgoneto;hasbeento    C.hasgoneto;hasbeenin    14.（2分）Myfatherwouldrather________than________.A.stayathome;togoout    B.tostayathome;togoout    C.stayathome;goout    D.tostayathome;goout    15.（2分）—CanItakeafriendtoyourparty?—Sure,________.A.welldone    B.notatall    C.noproblem    二、完形填空(共1题；共15分)16.（15分）完形填空DennyCrookwasafamousphotographer（摄影师）.Hetraveledallovertheworld,takingpicturesformagazinesandnewspapers,andwonmanyprizes.“I'lldoanythingtogetagoodphoto,”heoftensaid.“I'llgoanywhereatanytime,evenifitis1.”Andhetoldthe2.Hehadphotosofearthquakes,forestfires,floodsandevenwars.Ifsomethinginterestinghappened,Dennywenttophotoit.Hewasamarried(已婚的)manandhiswifeoftenaskedhimtotakeherwithhim,buthealways3.”I'lltravelformywork,notfor4,”hetoldher.“Youwon'tenjoyyourself,andIwon'thave5tolookafteryou.Sometimesthere’snotevenanywhereto6,andIhavetosleepoutside.Ioftendon'thaveagood7orabathfordays.Youwon'tlikeit.”“Denny,I'mnotachild,”hiswifedidn't8.“Icanlookaftermyself.Pleasetakemewithyouthenexttimeyougooverseas.”Dennydidnotsayanything,buthe9aboutit,andwhenhewasaskedtogotoAfricahesaidtohiswife,“YoucancometoAfricawithmeifyouwantto.I'vegottotakephotosofwild10there.Itshouldbeinterestingandnottoouncomfortable.”Hiswifewasvery11,andatfirstshehadaveryenjoyabletime.ThenDennywentto12somelionstophoto.Hiswifewentwithhim,butbeforelongtheybecameseparated（分开）.Shewalkeddownonepathwhilehewalkeddowntheother.Suddenly,Dennyheardher13.Heranbackandsawherrunningtowardshim.Ahugelionwasrunningafterher.QuicklyDennytookhiscameraoutofitscaseand14itathiswifeandthelion.Thenheshouted,“15,woman!Ican'tgetyoubothinthepicture!”（1）A.dangerous     B.natural    C.convenient    D.impossible    （2）A.lie    B.reason    C.news    D.truth    （3）A.agreed     B.refused    C.failed    D.answered    （4）A.wealth     B.prize    C.fun    D.luck    （5）A.money     B.time    C.interest    D.ability    （6）A.meet     B.work    C.shop    D.stay    （7）A.meal     B.picnic    C.room    D.party    （8）A.agree     B.understand    C.answer    D.complain    （9）A.worried     B.forgot    C.asked    D.thought    （10）A.land    B.flowers    C.animals    D.people    （11）A.afraid     B.excited    C.surprised    D.disappointed    （12）A.find     B.feed    C.drive    D.shoot    （13）A.singing     B.crying    C.laughing    D.cheering    （14）A.threw     B.fired    C.showed    D.pointed    （15）A.Hurryup    B.Lookout    C.Slowdown    D.Goahead    三、阅读理解(共2题；共20分)17.（10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。BParentsandteachersworryaboutgameshavingabadeffectonstudents,and,alargenumberofreportshavebeenwrittenaboutgamesleadingtoaddiction(上瘾)andviolentaction.Onewhoisaddictedtogamesofviolencemightthinkfightingorevenkillingisnotaveryseriousthing.Butnoteverythingaboutgamingisbad.Forsome,gamesareagoodwaytolearnaswell.Manygamesarebasedonhistory,cityorplanning.Suchgamescanteachstudentsvaluablelessonsoflifeinsomeways.Somegamescanimproveplayers'memoryskillsbyaskingthemtoperformmemoryexercisesthroughoutthegameinordertoreachthenextlevel.Computergamesareknowntoimprovehand-eyecoordination（协调）andhelpplayersdevelopproblemsolving.Mostgamesencourageplayerstomeetmoredifficultchallenges.Computergameshavebothgoodandbadeffects.Playinggamesitselfisnotaproblem,butstudentsneedtoknowabouthowmuchtimetospendplayinggamesandwhatkindofgamestoplay.Gamingislikeanyotheractivityinlife——eatingtoomanyhamburgersortoomuchpizzaisharmfultoo.（1）Theunderlinedword"violent"means"_______"inChinese.A.怪异的    B.懒惰的    C.暴力的    D.攀比的    （2）WhichisNOT,mentioned(提到)aboutplayingcomputergames?A.Itcostsalotofmoney.    B.Itmayhaveabadeffectonchildren.    C.Itcanleadtoviolentaction.    D.Itcancauseaddiction.    （3）Itisalsoagoodway_______byplayingcomputergames.A.togetalongwithothers    B.tolearnsomevaluablelifelessons    C.torespectparents    D.tocommunicateinEnglish    （4）Somegamescanimproveplayers'_______skill.A.reading    B.operating    C.cooking    D.memorizing    （5）Attheendofthepassage,thesentence"eatingtoomanyhamburgersortoomuchpizzaisharmfultoo"implies(暗示)that_______.A.studentsshouldspendmoretimeplayingcomputergamesB.studentsshouldstopplayingcomputergamesC.studentsshouldplaycomputergameswiththeirparentstogetherD.studentsshouldspendpropertimeandchoosegoodoneswhenplayingcomputergames18.（10分）阅读理解Singapore'spublictransportsystem(公共交通系统)isoneofthebestintheworld,soyoushouldhavenoproblemfindingyourwayaroundlikealocal.Therearethreemainformsofpublictransportthatyouwouldfindinanyothermajorcity--trains,busesandtaxis.TRAINSTrainsrunfrom6:00amtomidnight.Singletripticketsstartat80cents.IfyoubuyanEZ-linkcardforMYMI5,youcanridethetrainsandbusesallyoulike.Ifyouneedmoreinformation,justcallTransitLinkon18007674333.BUSESThereareseveralbusservicesinSingaporeandfaresstartat80cents.Besuretoalwaysaskthedriverthecostofyourticketashecannotgivechanges.Ifyouneedhelp,justcallTransitLinkon18007674333.TAXISTherearethreemaintaxicompanies--cityCab(65522222),Comfort(65521111)andTibs(65528888).Bookingcanalsobemadeeasilybycallingthenumberslistedabove.RENTALCARSDrivinginSingaporeisapleasureandifyouliketotravelatyourownpace,rentingacarisagoodchoice.RentingtakesawaythehassleofgettingtoplacesaroundSingapore.Justsitbackandenjoythecity.Italsomeansyou'llgettoseealotmorethatatrainorabuswon'tletyousee.Forcarrental,callAvison+6567371668（1）ByanEZ-linkcard,youcantake       .A.bothbusesandtrain    B.onlytrains    C.bothbusesandtaxis    D.onlyrentalcars    （2）Whenyoutakeabusthere,alwaysrememberto       .A.takeyourownlicensewithyou    B.askthedriverhowmuchyourticketis    C.buythebusmapofSingapore    D.bookyourticketaheadoftime    （3）Whatdoestheword“hassle”meaninChinese?A.麻烦    B.乐趣    C.景点    D.费用    （4）Ifyouneedbusservices,youmaycall       .A.6567371668    B.65528888    C.18007674333    D.65522222    （5）WhatdoyouknowabouttravelinginSingaporefromthepassage?A.Alocalhasnotroublefindinghiswayaround.    B.It'smuchcheapertogoaroundbybusthanbytrain.    C.YoucanseealotmoreinSingaporeonlybyrentingacar.    D.It'sveryconvenientforvisitorstotravelinSingapore.    四、语法填空(共15题；共70分)19.（2分）Ifthere________fewertrees,there________morepollution.20.（1分）Heismuch________(busy)thanme.21.（1分）Thismachinecan________(translate)simplemessagesinto24differentlanguages.22.（1分）Theearthquakeof2008tookplace________(sudden)inWenchuan,Sichuan.23.（1分）Thankyoufor________(help)myson.24.（10分）阅读下面短文，根据文章大意用所给单词的适当形式填空(未提供单词的，限填一词)，使文章意思完整、正确。Ifyouvisittheanimalshelter(收容所)inSalinas,California,you'llseehugesignsthathaveapictureofadogandacatonthem.Thesesigns________ (put)infrontofthesheltertocatchpeople'sattention.Thesignsmakepeopleinterestedintheshelterandencouragethem________ (visit)it—andmaybeeventakeacatoradogintotheirhomes.Eachyear,theSalinasshelter________ (accept)thousandsofdogsandcats.Theanimalsareeitherlostones________ areleftbypeoplewhocan'ttakecareofthem.Ofalltheanimals,someof________ (they)aretakenintonewhomes.Someanimalsaremovedtoothershelterstoliveabetterlife.Unluckily,somecannotbesavedbecausetheyaretoosickorarethoughttobedangerous.Animalsheltersprovidefood,medicine,andsafeplacesforanimalstosleepin.Buttheyarenotthe________ (good)homes.Theanimalshavetostayinsmallcages.Thepeoplewhoworkatsheltersdotheirbesttocarefortheanimals,________ theanimalsdonotalwaysgettheattentionorexercisetheyneed.Topreventanimalsfrom________ (become)homeless,petdoctorsadvisetheownerstotakegoodcare________ theirpets.Mostpetdoctorsalsosuggestpeoplemakesuretheirpetshave________ specialsurgery(外科手术).Inthiswayanimalswon'thavemorebabies.Anditreduces(减少)thenumberofhomelessanimals.25.（10分）阅读下面 材料 关于××同志的政审材料调查表环保先进个人材料国家普通话测试材料农民专业合作社注销四查四问剖析材料 ，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。BlueOceanAquariumisagreatplaceforfamiliestotakeaholiday.Childrenlove________(see)theseaanimalsandwatchingmoviesaboutsharksinit.LastSaturdaymorning,Mr.Jackson________(take)hiswifeandtwolittlesonstotheaquarium.Attheticketoffice,heasked,"HowmuchshallI________togetin?"Thewomanattheticketofficeanswerd,"Thepriceis20dollarsforeachadultoranykidolder________five.Weletkidsinfree(免费)iftheyarefiveor________(young).Howoldareyourkids?"Mr.Jacksonsaid,"Theolderoneissixandtheyoungeroneisthree.IthinkImustbuythree________(ticket)."Thewomanwas________(surprise).Shesaid,"Sir,don'tyouwant________(save)20dollars?Ifyoutellmeyouroldersonisfive,Iwon'tknowthedifference."Mr.Jacksonsaid________asmile,"Yes,thatsoundsright,________mykidswillknowthedifference."26.（1分）Somemoviescomeandgo,butsomeclassicalonesneverseemtobecome________(know).27.（10分）阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。   Ihadmysummerallplannedout．Iwasgoingtoenjoythecity．However,myparentshad________differentidea．Theysaidlwouldbegoingtomygrandparents'farm________awholemonth．Ifeltsad．Whatcould________(possible)befuntodointhecountry?Itwasveryhotwhenwearrivedatthefarm．SoGrandpatook________(I)toacreek(小溪)．Itfeltgreattojumpintothecool，clearwater．I________(begin)tothinkstayinginthecountrymightbe________(interesting)thanIhadthought．ThenextdayGrandmagavemeabasketandsentmeout________(pick)strawberries．Theberriesweresogoodthatalotofthemhaddisappeared________theyreachedmybasket．Ididn'tgettovisitazoo，butlgotanup-closelookatpigs，cows，and________(chicken)．Ifedthegoats，milkedthecows，andcollectedfresheggs．Mysummerwasn'twhatIhadexpected，________Ilovedit!IwassadthatIhadtoleave．Now,Istilllovelivinginthecity，butIlearnedthattryingnewthingscanbealotoffun，too!28.（1分）TheweatherinGuangzhouis________thanthatinShanghai.(warm)29.（10分）语法填空，阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。Mr.Browngotuplatethismorning.Hewasgoingtobelateforwork.Itwasraininghardandthestreetswere________ Hedrove________ fastthathecouldn'tseetheredlights.Hecouldn'tstophiscar________ ithitanotherone.Anoldmangotoutofthecarandcalledout________ (angry),“Whatareyoudoing?Howcanyoudrivesofast?”“I'msorry,sir,”saidMr.Brown,“I________ (notsee)thelightsturnred.”Thenhebroughtoutabottleofwineandgaveit________ theoldman.“It'scoldtoday,sir,”saidMr.Brown.“Pleasedrinkalittle,andthenyou'llget________.”Theoldmandranksomewineandbecamehappy.Heasked,“I'mfeelingmuch________now.Whydon'tyoudrinksome?”“Ican'tdrink________ (something)now,sir.”AnsweredMr.Brown,“I________ (wait)forthepoliceman.Onlydrunkardscauseaccidents,youknow!”30.（10分）阅读下面短文，根据文章大意用所给单词的适当形式填空（未提供单词的，限填一词），使文章意思完整、正确。EverymorningTom________(go)towork________train.Hehasalongwaytogo.Sohealwaysbuys________pieceofnewspaper.Ithelpshim________(spend)timeonthetrain.Tomlikessportsnewsverymuch.Onemorningonthetrainheisreadingsomethingaboutaworldfootballmatch.Thematchisvery________(interest).Soheforgets________(get)offthetrainathisstation.Hedoesnotknowit.Whenhefinishes________(read),he________(see)outside.Itisfar________hisstation.Hegetsoffatthenextstation.Hehastogobackbytrain.Ofcourse,he________(be)lateforwork.31.（1分）根据句意和汉语注释，写出单词的正确形式。IhardlyimaginethatIcancontrolthesituation________(complete)onmyown.32.（10分）阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。ChenQingyue，13，isaChinesestudentintheeighthgradeintheUnitedStates．Buthehasmade________(he)a“star”onWechat!HehasapublicWeChataccount(账号)tosharehislifeintheUS，fromstudy________after—classactivities．Chen________(move)totheUSlastyear．HestudiesatJaneLathropStanfordMiddleSchool，California．Hestart________classmatessuggestedlwritearticles________myUSexperience．ThenIgottheidea，''hesaid．Atthe________(begin)，fewpeoplereadhisstories．Buthedidn'tgiveup．“Irealizedthatpeoplepreferthings________areusefultothem．Parentsaremoreinterestedinhowtoapplyfor(申请)USschools．”hesaid．Forexample，oneofhismostpopulararticleswashowtodealwithinterviewswhenapplyingfor________USprivatehighschool．Hesharedhisseveralinterviewexperiencesandgave________ (suggestion)．Thearticlehadmorethan2,000viewsandhundredsofreports．Manyreadersencourageandthankhimby________(send)messagesandmoney．Sofar,hehasreceivedabout1,500yuan．“lwillkeepwritingatleastuntilhighschool，''hesaid．33.（1分）InCanda,peoplespeakdifferent________(language).五、单词拼写(共10题；共27分)34.（5分）A)根据句意及所给汉语提示，写出句中所缺单词。（1）These________(村民)arefromShanxi．Theyaresonice．（2）Thereareaboutfive________(百)studentsinourschool．（3）Look!Somany________(小船)areonthefiver．（4）Canyouseetwo________(桥)inthepicture?（5）Hisgrandmotheris________(九十)thisyear．35.（5分）根据句意及首字母提示完成单词。（1）—Excuseme.HowcanIgettothepostoffice?—Justgoalongtheroadandturnr________.（2）Thereisaposto________ onCenterStreet.（3）Beijingisinthen________ ofChina.（4）What'syourfavoriteplaceinyourn________?（5）DoesJohnliketos________ timewithhisfriendsonweekends?36.（1分）Welcometothisshort________(旅行)ofShenzhen.37.（1分）Youcanc________meat628-8038.38.（1分）Ifyou________(决定)toleave,wewillstoptheworkrightnow.39.（1分）—DoyoulikewatchingtheseTED________(演说)online?—Yes,I'velearnedalotfromthem.40.（1分）Nothingismorer________thanlyingonthebeachinthewarmsunshine.41.（1分）Johnisacloser________ofmine.He'smycousin.42.（1分）Canyouwriteitinyour________ ( 书 关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf ),please?43.（10分）拼写单词，完成短文。ManypeopleintheUSAlovesports.Somepeoplelikeplayingsportsandsomepeoplelikew________sports.Atschool,studentsplaymanydifferentsports.Suchas(例如)f________,basketballandvolleyball.Insummer,studentsgoswimmingandplaybasketball.Mikee________playingvolleyballbuthedoesn'tlikeswimming.AndyandSimonloveplayingfootballbutt________don'tlikeswimming.TheyaremembersoftheschoolFootballC________.MillieandSandylikeplayingtabletennis.Theyareg________playersandwin(赢得)manytabletennism________,buttheydon'tlikevolleyball.Mille'sb________friend,Lily,isagoodbadmintonplayer.Shethinksbadmintonisaneasygame.Shew________toteachherfriendstoplaybadmintoninh________freetime.六、任务型阅读(共1题；共22分)44.（22分）任务型阅读TheChongyangFestivalfallsontheninthdayoftheninthlunarmonthandisalsocalledtheDoubleNinthFestival.Asboththemonthandthedayarenine,itgotthisname.Tocelebratetheday,peopleusuallyclimbmountainsandenjoychrysanthemum(菊花),sothefestivalisalsoknownastheHeightAscending(登高)FestivalortheChrysanthemumFestival.InChina,ninehasthesimilarpronunciationwiththeword“forever”,meaninglonglife.SotheChinesegovernmentsetthedayastheSeniors'Day.Thefestivalhasahistoryofover2000years.DuringtheWarringStatesPeriod,therewastheChongyangFestival.Butitwasonlycelebratedintheimperialpalace.FromtheHanDynasty,itbegantobepopularamongthecommonpeople.ThenameoftheChongyangFestivalfirstappearedintheThreeKingdomsPeriod.DuringtheJinDynasty,therewerecustomsofenjoyingchrysanthemumanddrinkingwinesontheday.Itwasnot(A)officiallysetasafestivaluntiltheTangDynasty.Sincethen,allthepeoplehavespentthefestivalwithkindsofactivities.IntheMingandQingDynasties,peopleintheimperialpalaceallateflowercakestocelebrate.Theemperorclimbedthemountainonthedayaswell.In1989,theChinesegovernmentsetthedayastheSeniors'Day.AsSeptemberhastheclearskyandfreshair,itisaverygoodtimetoclimbthemountain.Therewillbeahappysenseofexcitementbyclimbingthemountaininthisseason.Also,itisgoodforhealth.SincetheWesternHanDynasty,ithasbeenthecustomofclimbingontheChongyangFestival.Ontheday,enjoyingchrysanthemumisverypopularastheflowermeanslonglife.Drinkingchrysanthemumisregardedasawaytopreventdisastersandbadthings.InsertingZhuyuandstickingchrysanthemumarealsotraditionstoavoidthebadas(B)theyhavespecialsmellswhichcanrepel(驱逐)insectsandkeepoutthecold.EatingChongyangcakesisanothertraditiononthefestival.Thereisnofixedwayofthecakebuttheonewithninelayers(层)withtwosheeponitisthebest.TwosheepmeansChongyang.Ninelayersshowpeoplecoulddowellineverything.（1）回答问题。HowmanyothernamesdoestheChongyangFestivalhave?（2）根据短文内容，猜测(A)处划线单词officially的意思。A.办公室    B.官方    C.民间    （3）用英语列举人们在重阳节登山的两个原因。①________②________（4）从文中找出(B)处划线单词they所指代的内容。（5）从文中找出与“Thebestcakehasninelayersandtwosheeponthetopthoughtherearedifferentcakes”意思相同或相近的句子。（6）根据短文内容填空。每空不超过3个单词。）TherehavebeenmanytraditionsandcustomsontheChongyangFestival.Peopleshowrespectfortheseniors,①________,②________③________,insertZhuyuandenjoychrysanthemum.七、翻译题(共5题；共15分)45.（2分）我们希望我们可以提高生活水平。We________thatwecan________.46.（5分）告诉我这些唱片的数量。47.（1分）我看不清黑板因为有两个高个子男孩坐在我前面。Ican'tseetheblackboardclearlybecausetwotallboyssitting________ofme.48.（2分）他们是如何为考试而学习的！Howdothey________________atest!49.（5分）你生日想要什么7________ ________ ________ ________ ________yourbirthday?八、书面表达(共1题；共5分)50.（5分）中学生普遍面临着很多烦恼，请用英语描述下面表格中列出的问题，并提出自己的建议。烦恼1整天有做不完的作业，经常熬夜学习，无暇顾及个人爱好；烦恼2父母太忙，没有时间陪自己；烦恼3几乎没有亲密的朋友可以交流，经常感到孤独；烦恼4对自己的体重不满意，不知如何改变；建议……要求：1）条理清楚，语句通顺；2）80词左右。开头已给出，不计入总词数。Now,manymiddleschoolstudentsfacesomeproblems.参考答案一、单项选择(共15题；共30分)1-1、2-1、3-1、4-1、5-1、6-1、7-1、8-1、9-1、10-1、11-1、12-1、13-1、14-1、15-1、二、完形填空(共1题；共15分)16-1、三、阅读理解(共2题；共20分)17-1、17-2、17-3、17-4、17-5、18-1、18-2、18-3、18-4、18-5、四、语法填空(共15题；共70分)19-1、20-1、21-1、22-1、23-1、24-1、25-1、26-1、27-1、28-1、29-1、30-1、31-1、32-1、33-1、五、单词拼写(共10题；共27分)34-1、34-2、34-3、34-4、34-5、35-1、35-2、35-3、35-4、35-5、36-1、37-1、38-1、39-1、40-1、41-1、42-1、43-1、六、任务型阅读(共1题；共22分)44-1、44-2、44-3、44-4、44-5、44-6、七、翻译题(共5题；共15分)45-1、46-1、47-1、48-1、49-1、八、书面表达(共1题；共5分)50-1、