您的当前位置:首页正文

四川省成都七中高一下学期期末考试(附参考答案)

2023-01-09 来源:年旅网
戴氏西门总校英语资料成都七中高一下期2012级期末考试

英语试卷

考试时间:120分钟总分:150分第Ⅰ卷(三部分,共115分)

第一部分:听力略第二部分:英语知识运用(共两节,满分45分)第一节单项填空(共15小题;每小题1分,满分15分)从A,B,C,D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。21.________theChinesemen’sfootballteamwiththatofNorthKorea,wecanseewhattheformerlacksisspiritanddetermination.A.Comparedduty.A.Each;areB.Both;isC.Neither;areD.None;is23.Thegreathallwascrowdedwithmanypeople,_____manychildren_____ontheirparents’laps.A.including;seatedC.included;satA.wasitthatA.madeofA.AboveallA.askedA.practisedA.gothroughA.shallbeA.iseasilytornB.including;seatingD.included;sittingB.itwasthatB.hadofB.InallB.offeredB.behavedB.getoverC.wasitwhoC.takenofC.AtallC.chargedC.provedC.getalongD.hewasD.donewithD.AfterallD.soldD.conductedD.getthroughC.mustbeD.mighthavebeenD.tearseasyB.ComparingC.BeingcomparedD.Tocompare22.________ofmysistersareexpertsinagriculture.Helpingthefarmersimprovetheirfarmingtechniques_________their24.Ourclassroomisveryclean.Doyouknowwho_______cleanedit﹖25.Fulluseshouldbe_______thenaturalresourcestocombattheenergycrisis.26.--IamsorryIdidn’tdoagoodjob.--Nevermind.________,youhavetriedyourbest27.Thesellerwouldsellthecoatforfivedollars,butthecustomer______fourdollars.28.Onthelongjourney,Peter______amostinterestingguide.Weallhadawonderfultime.29.ItriedtocallupmyrelativesinKyrgyzstanwhereanunrest(动乱)wasgoingon,butcouldn’t_________.30.--Hi,Mary.AnyideawhereBillis?B.shouldhavebeenB.istorneasy--He______inthelibrary.Isawhimreadingbookstherejustnow.31.Becarefulwiththepaperforit____________.C.tearseasily32.Notonly________attractivebut_________inviting.A.isthescenerythere;isthefoodC.isthescenerythere;thefoodisB.thesceneryis;thefoodisD.thesceneryis;isthefood33.Iwouldappreciate_____ifyoucouldremainsilentuntilspokento.1成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料A.itA.what35.--____.B.thatB.thatC.theseC.whereD.themD.whichB.LetmehelpyouwithyourEnglishD.Don’tforgettoposttheletter34.Dancingisanactivity______sightmattersmorethanhearing.--Thankyou.Icertainlywill.A.HappybirthdaytoyouC.Pleaseremembermetoyourgrandparents第二节:完形填空(共20小题,每小题1.5分,满分30分)阅读下面短文,掌握其大意,然后从36~55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。WhenIfirstentereduniversity,myaunt,whoisanEnglishprofessor,gavemeanewEnglishdictionary.Iwas36toseethatitwasanEnglish-Englishdictionary,alsoknownasamonolingualdictionary.37itwasadictionaryintendedfornon-nativelearners,noneofmyclassmateshadone.38,tobehonest,Ifounditextremely39touseatfirst.Iwouldlookupwordsinthedictionaryand40notfullyunderstandthemeanings.Iwasusedtothe41bilingualdictionaries,inwhichthewordsare42bothinEnglishandChinese.Ireallywonderedwhymyaunt43tomakethingssodifficultforme.Now,afterstudyingEnglishatuniversityforthreeyears,I44thatmonolingualdictionariesare45inlearningaforeignlanguage.AsIfoundout,thereis,46,oftennoperfectequivalence(对应)betweentwoevengoessofarasto48thataChinese“equivalent”cannevergiveyouthe4947intwolanguages.MyauntmeaningofawordinEnglish!51Iwantedtogetabetter50,sheinsistedthatIreadthedefinition(定义)ofawordinamonolingualdictionaryunderstandingofitsmeaning.52,Ihavecometoseewhatshemeant.Usingamonolingualdictionaryforlearnershashelpedmeinanotherimportantway.Thisdictionaryusesonlya(n)53numberofwords,around2,000,initsdefinitions.WhenIreadthesedefinitions,Iam54exposedto(接触)thebasicwordsandlearnhowtheyareusedtoexplainobjectsandideas.55this,IcanexpressmyselfmoreeasilyinEnglish.36.A.worried37.A.Because38.A.But39.A.difficult40.A.thus41.A.new42.A.explained43.A.offered44.A.imagine45.A.natural46.A.atleast47.A.words48.A.hope49.A.exact50.A.Rather51.A.when52.A.LargelyB.sadB.AlthoughB.SoB.interestingB.evenB.familiarB.expressedB.agreedB.recommendB.betterB.infactB.namesB.declareB.basicB.HoweverB.beforeB.GenerallyC.surprisedC.UnlessC.OrC.helpfulC.stillC.earlierC.describedC.decidedC.predictC.easierC.attimesC.ideasC.doubtC.translatedC.ThereforeC.untilC.GraduallyD.nervousD.IfD.ThenD.practicalD.againD.ordinaryD.createdD.happenedD.understandD.convenientD.incaseD.charactersD.tellD.expectedD.InsteadD.whileD.Probably2成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料53.A.extra54.A.repeatedly55.A.AccordingtoB.averageB.nearlyB.InrelationtoC.totalC.immediatelyC.InadditiontoD.limitedD.anxiouslyD.Becauseof第三部分:阅读理解(共20小题;每小题2分,满分40分)AIn1955,amannamedRaymondKrocenteredapartnershipwithtwobrothersnamedMcDonald.TheyopenedapopularrestaurantinCaliforniawhichsoldfoodthatwaseasytoprepareandservequickly.Hamburgers,Frenchfries,andcolddrinkswerethemainfoodthere.Krocopenedsimilareatingplacesunderthesamename,“McDonald’s”,andtheywereaninstantsuccess.Helatertookoverthecompany,andtodayitisoneofthemostfamousandsuccessful“fast-food”inAmericaandroundtheworld.Whywashisideasuccessful?Probablythemostimportantreasonwasthathistimingwasright.Inthe1950s,mostmarriedwomenstayedhometokeephouseandtakecareoftheirchildren.Inthe1960s,manywomenreturnedtotheworkplace.Thismeantthattheyhadlesstimeorenergytopreparemeals,sotheyspentmoreon“TVdinners”andfast-foodrestaurants.Singleparentsalsohavelittletimetospendinthekitchen.Peoplelivingalonealsodependonthistypeoffood,sincecookingforoneisoftenmoretroublethanitisworth.Fast-foodisnotpartofthedietofallAmericans.Anothertrendofthe1960s,sometimescalledtheback-to-naturemovementinfluencedmanypeopletoavoidfoodthatwaspackagedorprocessed(处理).Thispreferencefornaturalfoodcontinuedtothisday.FromthesuccessofRaymondKroc’sfast-foodbusiness,wecansaythatsocialeconomictrendsinfluencewhereandwhatweeat.56.Theunderlinedsentence“Cookingforoneisoftenmoretroublethanitisworth”meansthat______.A.cookingforsomepeopleisworthmoremoneyB.itisnotworthwhiletotaketoomuchtimetocookforonepersonC.therearemoreproblemswhenonepersoncooksD.divorce(离婚)causespeopletochangetheireatinghabits57.Anideaimpliedbutnotdirectlystatedinthereadingisthat________.A.manymarriedwomenbegantoworkinthe1960sB.naturalfoodsarestillpopulartodayC.fastfoodisnotpartofthedietofallAmericansD.divorcecausespeopletochangetheireatinghabits58.McDonald’ssuccessliesinthefollowingcausesBUT_________.A.peoplelivingalonetendtodependonfastfoodB.singleparentshavelittletimetospendinthekitchenC.manywomenreturnedtotheworkplaceinthe1960sD.Krocchosethe“McDonald”brothersashispartners59.Themainideaofthereadingisthat________.A.RaymondKrocisthemostsuccessfulfast-foodbusinessownerintheworldB.socialandeconomicchangesaffecteatinghabitsC.fast-foodiseasytoprepareandservequicklyD.Americanseateitherfastfoodornaturalfood3成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料BHaveyoueverwondered?1.Whydoairplanestakelongertoflywestthaneast?Itcantakefivehourstogowest-eastfromNewYork(NY)toLondonbutsevenhourstotraveleast-westfromLondontoNY.Thereasonforthedifferenceisanatmosphericphenomenonknownasthejet(喷射)stream.ThejetstreamisaveryhighaltitudewindwhichalwaysblowsfromthewesttotheeastacrosstheAtlantic.Theplanesmovingataconstantairspeedthusgofasterinthewest-eastdirectionwhentheairmovingwiththewindthanintheoppositedirection.2.Whatwouldhappenifthegravity(重力)onEarthwassuddenlyturnedoff?Supposingwecouldmagicallyturnoffgravity.Wouldbuildingsandotherstructuresfloataway?WhathappenedwoulddependonhowstronglythethingswereattachedtotheEarth.TheEarthismovingatquiteaspeedmovingatoverathousandmilesperhour.Ifyouturnsomethingroundyourheadonastring,itgoesaroundinacircleuntilyouletgoofthestring.Thenitfliesoffinastraightline.“Switchingoff”gravitywouldbelikelettinggoofthestring.ThingsnotattackedtotheEarthwouldflyoffinastraightline.Peopleinbuildingswouldsuddenlyshootupwardsatagreatspeeduntiltheyhittheceiling.Mostthingswouldflyoffintospace.60.Whatinformationcanwegetfromthefirstpassage?A.Itisthejetstreamthataffectshowfastairplanesfly.B.Planesgoslowerwhentheyaremovingwiththewind.C.IttakesmoretimetoflyfromNYtoLondonthanfromLondontoNY.D.ThejetstreamalwaysblowsfromtheeasttothewestacrosstheAtlantic.61.Theword“shoot”underlinedinthe2ndpassageprobablymeans“A.sendforB.movequicklyC.comeout.62.ItcanbeinferredthatwithoutgravityB.treesandbuildingswouldnotsoeasilyflyoffC.somethingaroundyourheadwouldnotfloatawayD.everythingoutsidebuildingswouldflyoffintospace63.Wherecanwemostprobablyreadthistext?A.Inaresearchpaper.C.Inatravelmagazine.B.Inashortstory.D.Inastudents’bookCMauritius,withitsfullnametheRepublicofMauritius,anislandcountry,lies1,200milesoffthesoutheasterncoastofAfrica,andjusteastofMadagascar,anotherAfricanislandcountry,whichislargerbyfarthanMauritius.Itcovers788squaremilesandhasapopulationof1,100,000,about750,000Indians,300,000Chineseand20,000Whitesincluded.Theyarelivingtogetherpeacefully,althoughtheysharesuchdifferentbeliefsasHindu,RomanCatholic,Muslimandsoon.Thecountrycanbedividedintomanypartswithdifferentclimatesallbecauseofitspeculiarterrains(地形).Inthecentertherearevolcanoesseveralthousandfeethigh,and90%ofitsarablelandiscoveredwithsugarcane.TherewerenopeoplelivingontheislandbeforetheDutchlandedonitin1638.TheDutchabandoneditin1710,andfiveyearslater,theFrenchcameandsucceededinplantingsugarcanethere.ItwasconqueredbyBritainin1818.Asaresult,itsofficiallanguageisEnglish.ThemainbigcitiesareBeau-BassinandMahebourg,withPortLouisasitscapital.Mauritiushasmanyrareanduniqueanimals,suchasthesnakes,parrotsandlizards.Thegiraffeisatypeofanimalwithaverylongneckandlegsandyellowskinwithdarkspots.Itisthetallestofalllivinganimals.4成都戴氏蜀汉路总校http://www.daishi-shl.com/”.D.growquicklyA.buildingsandotherstructureswouldfloataway戴氏西门总校英语资料Mauritiuswasextremelypoorwhenitdeclareditsindependencein1968.Inthepasttenyears,obviouseconomicprosperity(繁荣)hasshownitselfinthisislandcountry.Nowadaysitsbusiness,cultureandtourismaredevelopingrapidly.Everyyear,thousandsofmillionsofpeoplerushtheretoenjoythesilversandbeachandsonganddanceperformanceswithnativenationalcharacteristics.64.Theunderlinedword“abandoned”inthethirdparagraphmeans___________.A.tookitsplaceC.leftforitB.gaveitupD.helditoutb.becameitsmasterd.conqueredbytheBritishB.a,c,d,bD.c,a,d,b65.TherightorderthatshowsthehistoryofMauritiusshouldbe___________.a.seizedbytheFrenchc.ruledbytheDutchA.b,a,c,dC.d,c,a,b66.AccordingtothepassageallofthefollowingstatementsaretrueEXCEPT______.A.Arablelandcovers90%ofthecountry’stotalareaB.TourismisoneofthedrivingforcesfortheeconomicdevelopmentofMauritius.C.MorethanhalfofMauritiuspopulationareIndiansD.BritishruledtheislandlongerthanFrenchandDutch67.WhichofthefollowingmapsshowstherightpositionofMauritius?(Mau=Mauritius;Ma=Madagascar;A=Africa)A.AMAMauMauB.AMAC.AMAMauMauD.AMADImagine,oneday,gettingoutofbedinBeijingandbeingatyourofficeinShanghaiinonlyacoupleofhours,andthen,afterafulldayofwork,goingbackhometoBeijingandhavingdinnerthere.Soundsunusual,doesn'tit?Butit'snotthatunrealistic,withthedevelopmentofChina’shigh-speedrailwaysystem.Andthat’snotall.Chinahasanevengreaterhigh-speedrailwayplantoconnectthecountrywithSoutheastAsia,andeventuallyEasternEurope.5成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料Chinaisnegotiating(谈判)toextenditsownhigh-speedrailwaynetworktoupto17countriesin10to15years,eventuallyreachingLondonandSingapore.Chinahasproposedthreesuchprojects.ThefirstwouldpossiblyconnectKunmingwithSingaporeviaVietnamandMalaysia.AnothercouldstartinUrumqiandgothroughKazakhstanandUzbekistan,andpossiblytoGermany.ThethirdwouldstartinthenortheastandgonorththroughRussiaandthenintoWesternEurope.IfChina’splanforthehigh-speedrailwaygoesforward,peoplecouldzipoverfromLondontoBeijinginundertwodays.ThenewsystemwouldstillfollowChina’shigh-speedrailwaystandard.Andthetrainswouldbeabletogo346kilometersanhour,almostasfastassomeairplanes.China’sbullettrain(高速列车),theoneconnectingWuhantoGuangzhou,alreadyhastheWorld’sfastestaveragespeed.Itcovers1,069kilometersinaboutthreehours.Ofcourse,therearesometechnicalchallengestoovercome.Therearesomanyissuesthatneedtobesettled,suchassafety,railgauge(轨距),maintenance(保养)ofrailwaytracks.So,it’simportanttopayattentiontoeverydetail.Butthekeyissueisreallymoney.Chinaisalreadyspendinghundredsofbillionsofyuanondomesticrailwayexpansion.Chinaprefersthattheothercountriespayinnaturalresourcesratherthanwithcapital(资本的)investment.ResourcesfromthosecountriescouldstreamintoChinatosustaindevelopment.It’llbeawin-winproject.Forothercountries,therailwaynetworkwilldefinitelycreatemoreopportunitiesforbusiness,tourismandsoon,nottomentionthebettercommunicationamongthosecountries.ForChina,suchaprojectwouldnotonlyconnectitwiththerestofAsiaandbringsomemuch-neededresources,butwouldalsohelpdevelopChina’sfarwest.Weforeseethatinthecomingdecades,millionsofpeoplewillmigratetothewesternregions,wherethelandisemptyandresourcesunused.Withhigh-speedtrains,peoplewillsetupfactoriesandbusinesscentersinthewestonceandforall.Andthey’lltradewithCentralAsianandEasternEuropeancountries.68.China’snewhigh-speedrailwayplanwillbeawin-winprojectbecauseA.Chinawillgetmuch-neededresourcesanddevelopitswesternregionsB.ChinaandthecountriesinvolvedwillbenefitfromtheprojectinvariouswaysC.ChinawilldevelopitsrailwaysystemandcommunicationwithothercountriesD.theforeigncountriesinvolvedwilldeveloptheirrailwaytransportation,businessandtourism69.Accordingtothepassage,thegreatestchallengetothenewhigh-speedrailwayplanisA.technicalissuesC.financialproblemsB.safetyofthesystemD.maintenanceofrailwaytracks..70.Whichofthefollowingwordsbestdescribestheauthor’sattitudetowardsChina’shigh-speedrailwayplan?A.Critical.B.Reserved.C.DoubtfulD.Positive.71.Whichofthefollowingmightbethebesttitleforthepassage?A.NewRailwayStandardsB.BigRailwayDreamsC.High-speedBulletTrainsD.InternationalRailwayNetworkEItishardlysurprisingthatclothingmanufacturers(生产商)followcertainuniformstandardsforvariousfeatures(特征)ofclothes.Whatseemsstrange,however,isthatthestandardadoptedforwomenistheoppositeoftheoneformen.Takealookatthewayyourclothesbutton.Men’sclothestendtobuttonfromtheright,andwomen’sfromtheleft.Consideringmostoftheworld’spopulation---menandwomen---areright-handed,themen’sstandardwouldappeartomakemoresenseforwomen.Sowhydowomen’sclothesbuttonfromtheleft?Historyreallyseemstomatterhere.Buttonfirstappearedonlyontheclothesoftherichinthe17thcentury,whenrich6成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料womenweredressedbyservants.Forthemostlyright-handedservants,havingwomen’sshirtsbuttonfromtheleftwouldbeeasier.Ontheotherhand,havingmen’sshirtsbuttonfromtherightmadesense,too.Mostmendressedthemselves,andasworddrawnfromtheleftwiththerighthandwouldbelesslikelytogetcaughtintheshirt.Todaywomenareseldomdressedbyservants,butbuttoningfromtheleftisstillthestandardforthem.Isitinteresting?Actually,astandard,onceset,resistschange.Atatimewhenallwomen’sshirtsbuttonedfromtheleft,itwouldhavebeenriskyforanysinglemanufacturetoofferwomen’sshirtsthatbuttonedtheright.Afterall,womenhadgrownsousedtoshirtswhichbuttonedfromtheleftandwouldhavetodevelopnewhabitsandskillstoswitch.Itwouldbeweirdforthemtobuttonfromtheright,sinceanyonewhonoticedthatwouldbelievetheywerewearingmen’sshirts.72.Whatissurprisingaboutthestandardoftheclothingindustry?A.Ithasbeenfollowedbytheindustryforover400years.B.Itisdifferentformen’sclothingandwomen’s.C.Itworksbetterwithmenthanwithwomen.D.Itfailstoconsiderright-handedpeople.73.Whatdoweknowabouttherichmeninthe17thcentury?A.Theytendedtowearclotheswithoutbuttons.B.Theywereinterestedinthehistoricalmatters.C.Theyweremostlydressedbyservants.D.Theydrewtheirswordsfromtheleft.74.Women’sclothesstillbuttonfromthelefttodaybecauseA.adoptingmen’sstyleisimproperforwomenB.manufacturersshouldfollowstandardsC.modernwomendressthemselvesD.customsarehardtochange75.ThepassageismainlydevelopedbyA.analyzingcauseB.makingcomparisonsC.examiningdifferencesD.followingthetimeorder..第Ⅱ卷(共35分)

第四部分:写作(共三节,满分35分)第一节短文改错(共10小题;每小题0.5分,满分5分)此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:该行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。该行缺一个词:在缺词处加一个漏字符号(︿),在该行右边的横线上写出该加的词。该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。Oneday,Iwascookinginthekitchenasthetelephonerings.Iwenttoansweritimmediately.Shewasmyclosefriend,Lisa.Whenweweretalking76._______77._______78._______7成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料onaphone,thefirealarmsounded.Iranbacktothekitchen.Theroomfullofsmokeandthebeefwasbadlyburnt.Iquicklyturnedoffthegas,openingallthewindows,andthenwentoutofthehouse.Inmysurprise,twofireengineswereoutsidemyhouse.Iwasratherworriedandtoldaboutthefirementhatitwasmycarelesscookingwhichcausedtheheavysmoke.79._______80._______81._______82._______83._______84._______85._______第二节根据下列句子的意思和空格中单词首字母补全单词。(共10句,每空0.5分,满分5分)86.Thepriceofvegetablesv______________fromseasontoseason.87.ChunxiStreetisthec_______________centerofChengdu.88.Thec______________betweendifferentethnicgroupscausedaseriesofwars.89.Itsuddenlyo______________tomethatImighthavebeentakeninbyhim.90.Manycountrieshighlyv______________China’sroleinkeepingworldpeace.91.ZhangWubenexaggeratedthequantityof______________(营养物质)containedinbeansandgarlic,causingtheirpricetoriserapidly.92.Havinglostaleginthecaraccident,thegirlremained______________(乐观的)andtriedtocheerupotherpatientsinherroom.93.TheCEOofthecompanyhasannouncedhis______________(打算,意图)toretire.94.ZhenHewasthefirstChinesetomakea______________(航海,航行)aroundtheworld.95.His______________(鼓舞人心的)speechgaveencouragementtoalltheaudiencepresent.第三节书面表达(满分25分)请根据以下图表和提示,用英语写一篇关于我国居民手机拥有量变化的报告,并阐述手机给人们生活所带来的利与弊。million1.方便,可随时随地与人联系2.提供多种功能可满足不同要求,如发短信,上网等

3.利用短信欺骗他人和犯罪(commitacrime)

4.电磁辐射(radiation)有害健康注:1.词数100字左右

2.开头已为你写好(不计入总词数)

Ascanbeseenfromthechart,greatchangeshavebeentakingplaceintheownershipofmobilephonesinChina.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________8成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料________________________________________________________________________________________________________________________________________________________________________________________________________9成都戴氏蜀汉路总校http://www.daishi-shl.com/戴氏西门总校英语资料参考答案

1~5CBCBA6~10ABBCA11~15CABAC16~20BCAABBABAC21~25BBABA51~55ACDAD26~30DBCDC31~35CCACC36~4056~60BDDBA61~65BBDBDCBBAC41~45BACDB46~5066~70AABCD71~75BBDDA短文改错:76.as----when80.full前加was83.正确77.rings—rang81.opening---opened84.去掉about78.She—It82.In---To85.which---that79.a----the[单词拼写:86.varies87.commercial88.conflicts91.nutrients92.optimistic89.occurred94.voyage90.value95.Inspiring/Encouraging93.intentionOnepossibleversion:Ascanbeseenfromthechart,greatchangeshavebeentakingplaceintheownershipofmobilephonesinChina.Thenumberofmobilephoneusershasbeenincreasingrapidlytheseyears.Attheendof2007,therewereabout400millionmobileusers.Intheyear2010,thenumberhasreached740million.Peoplehavefoundmobilephonesveryconvenient.Theycangetintouchwitheachotherwheneverandwherevertheylike.Therearemanydifferentfunctionsfordifferentneeds,suchassendingshortmessagesandsurfingtheInternet.However,itmayalsobringussometrouble.Forexample,somepeoplemaytakeothersinandcommitacrimethroughsendingshortmessages,andtheradiationfromthephonemaydoharmtoourheath.Inspiteofthis,thenumberofpeoplehavingmobilephonesisstillincreasinggreatly.10成都戴氏蜀汉路总校http://www.daishi-shl.com/

因篇幅问题不能全部显示,请点此查看更多更全内容