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阅读短文并回答问题TheChinesenewyearbeginson22January2023andlastsuntil9February2024.WhilemostofAsiacelebratestheyearoftherabbit,Vietnamcelebratestheyearofthecat.IntheChinesezodiac,thereare12animals,andthe4thanimalistherabbit;whileintheVietnamesezodiac,the4thpositionisoccupiedbythecat.HowthecatsubstitutedfortherabbitinVietnam’szodiac(十二生肖)isstillthesubjectofdebate.AncientstorytellerssaidtheJadeEmperororganizedaraceacrossariverforalltheanimalsintheworld.Thefirst12toreachtheothersidewouldappearinthezodiac.IntheChineseversionofthestory,thecatandtheratwereridingacrossariveronanoxwhentheratpushedthecatintothewater.Theratwontherace,turningthetwoanimalsintoenemies.Thatiswhycatshavebeenhuntingratseversince.However,intheVietnameseversion—whichdidnothavearabbit—thecatcouldswimandendeduparriving.Onepossibleexplanationforreplacingrabbitwithcatmighthavetodowithlanguage.InoldChinese,thereisawordtiedtothesignoftherabbitthatispronouncedmao(卯).Thepronunciationissimilartomèo,theVietnamesewordforcat.QuyenDi,alectureratUCLA,saidthecustomhastodowiththelandscapeofVietnam.“Originally,theChineselivedinthesavanna(稀树草原)area,whiletheVietnameselivedinthelowlandarea.Thepeopleofthesavannapreferanomadiclife,closetothewilderness,andtheychosetherabbitasananimalthatlivedinthewildfields.Incontrast,thelowlandpeopleofVietnamconsiderrabbitsasanimalsthatareusedforfoodandchosethecatbecausetheybelievecatsarefriendslivingintheirhouse.Thisyear,manyVietnamesearebuyingnewcat-themedcasesfortheirmobilephones.AndoneofthetopGooglesearchesinVietnamis“whythereisnocatintheChinesezodiac”.1.Theunderlinedwords“substitutedfor”inparagraph1canbereplacedby_______.A.tookchargeofB.foughtforC.tooktheplaceofD.dependedon2.WhatcanwelearnfromtheVietnamesezodiacstory?A.TheJadeEmperorshowedfavortothecat.B.Therabbitfellintotheriverinthezodiacrace.C.Theratandtherabbitwereenemiesinancienttimes.D.Thecatfinishedfourthbyswimmingacrosstheriver.3.WhatmadetheVietnamesechoosethecataccordingtoQuyenDi?A.Theirlivingenvironment.B.Theirlanguagepronunciation.C.Theirlifestyleofraisingcatsaspets.D.Theircustomofhuntingrabbitsforfood.4.Whatisthemainpurposeofthetext?A.ToexplainthehistoryoftheChinesezodiac.B.Toshowwaysofcelebratingtheyearoftherabbit.C.TostatethepopularityofChinesetraditionalculture.D.TointroducetheoriginoftheyearofthecatinVietnam.参考答案:CDAD阅读短文并回答问题AteamofresearchersatETHZurichhastheperfectlong-lastingsolutiontoourfogproblem.Theyhavedevelopedaverythinandgold-basedtransparentcoating(涂层)thatcanconvertsunlightintoheat,whichcanbeappliedtoglassandothersurfacestopreventthemfromfogging.Thespecialcoatingisdevelopedusingtitaniumoxideandgoldparticles.Itselectivelyabsorbsinfraredradiations(红外线照射)fromthesunlightandcreatesaheatingeffectthatispowerfulenoughtokeepfogawayfromthesurfaceofanobject.Thecoatingbasicallyemploysheattostopfogging.Thecoatingabsorbsalargepartoftheinfraredradiation,whichcausesittoheatup—byupto8℃.Previously,productslikeanti-foggingsprayscreateaverythinfilmofwateronthesurfacetoremovefog.Theproblemwithsuchsurfacesispollution.Alongwithwater,thespraysalsoattractdirt,dust,oil,andvariousotherdirtysubstances,andjustalittledirtonthesurfacemakesituseless.However,thenewcoatingrepels(排斥)water.Furthermore,thecoatingissignificantlythinner,whichmakesitmoretransparentaswellasflexible.Itisheatedpassivelyandrequires,duringdaytime,noadditionalenergysource.Goldmightbeexpensive,buttheresearchersstressthattheircoatingrequiressolittlethatthematerialcostsremainlow.Theircoatingisproducedwithstandardizedandreadilyscalablemethods,allcost-effectively.However,althoughthisproductcanworkatverylowlevelsofsolarirradiation,itdoesrelyonacertainamountoflight.Theresearcherswilldevelopthecoatingfurtherforotherapplications.Intheprocess,theywillexaminewhetherothermetalsworkjustaswellasgold.Thereisnoneedtofear,however,thiswouldcauseacarorabuildingtoheatupmoreinthesummer.Theresearchershavealreadyfiledapatent.Hopefully,thisgroundbreakingproductwillsoonbeavailableonthemarket.1.Howdoesthenewcoatingworktoremovefog?A.Byreflectingpartofsunlightselectively.B.Bykeepingcoolairawayfromtheobject.C.Bycreatingathinfilmofwateronthesurface.D.Byabsorbinginfraredradiationstoheatthecoating.2.Whydoestheauthormentionpreviousanti-foggingproducts?A.Tostresstheadvantagesofthenewcoating.B.Tointroducetheinspirationbehindthenewcoating.C.Toprovethedifficultyofcreatinganti-foggingproducts.D.Toexplainthereasonfortheanti-foggingcoatingbeingpopular.3.Whatisthelimitationofthenewcoating?A.Itisconsiderablyexpensive.B.Itdependsonsunlighttowork.C.Ittakestoomuchtimetoproduce.D.Itisdifficulttocleanandmaintain.4.Whatdotheresearchersplantodonext?A.Applyforapatentfortheinvention.B.Developtheproductformorepracticaluses.C.Exploretheenvironmentalimpactofthecoating.D.Seekacheapermaterialasanalternativetogold.答案:DABB阅读短文并回答问题There’sanewAIbot:ChatGPT,andyou’dbetterpayattention,evenifyouaren’tintoartificialintelligence.ThetoolisanAIchatbotsystemthatOpenAIreleasedinNovember2022toshowoffandtestwhataverylarge,powerfulAIsystemcanachieve.ChatGPTremembersthethreadofyourdialogue,usingpreviousquestionsandanswerstoinformitsnextresponses.ItderivesitsanswersfromhugevolumesofinformationontheInternet.ChatGPTisbuiltontopoftheOpenAIGPT-3familyoflargelanguagemodelsandisfine-tuned(amethodoftransferlearning)usingbothsupervisedandreinforcementlearning(监督和强化学习).YoucanaskChatGPTanything,likeexplainingphysics,askingforbirthdaypartyideasandgettingprogramming(编程)help.Perhapsit’snotsmartenoughtoreplaceallhumansyet,butitcanbecreative,anditsanswerscansounddownrightauthoritative.Afewdaysafteritslaunch,morethan1millionpeopleweretryingoutChatGPT.UBSanalystLloydWalmsleyestimatedinFebruary2023thatChatGPTreached100millionmonthlyusersinJanuary,accomplishingin2monthswhattookTikTokabout9monthsandInstagramtwoandahalfyears.ChatGPTisfreetouseatthemomentbecauseitisstillinitsresearchphase.Butwhentoomanypeoplehopontotheserver(服务器),itoverloadsandcan’tprocessyourrequest.Itjustmeansyoushouldtryvisitingthesiteatalatertimewhenfewerpeoplearetryingtoaccessit.Ifyouwanttoskipthewaitandhavereliableaccess,thereisanoptionforyou.AsofFeb.1,2023,OpenAIhasaChatGPTproplan,ChatGPTPlus,whichallowsuserstohavegeneralaccessevenduringpeaktimes.Thisservicedoescomeatacostof$20/month.However,ChatGPTcannotreplaceGoogle.ChatGPTisanartificialintelligencebotthatprovidessolutionstoyourquestions,butGoogleisasearchengineinwhichyoucansearchforasmuchinformationaspossible.ChatGPThaslimitedknowledgeduetoitsprogrammingbutGooglehasunlimitedknowledgewhichisupdatedeveryday.1.Whatdoesparagraph2mainlytellusaboutChatGPT?A.Itslanguagemodel.B.Itsworkingtheory.C.Itsdesigninspiration.D.Itsdevelopmentprocess.2.Whydoestheauthorlistfiguresinparagraph3?A.ToshowthepopularityofChatGPT.B.TostressthehighcostofinventingChatGPT.C.Topresentthecreativityofartificialintelligence.D.Toprovethenecessityofdevelopingtoolsforchattingonline.3.WhatisChatGPTPlusintendedfor?A.Guidinguserstoexperiencefreeservices.B.Allowingnetsurferstoskipadvertisements.C.Helpingresearchersdetectthefailureofthesystem.D.Offeringconsumerspriorityaccessduringpeakhours.4.WhatisalimitationofChatGPTcomparedwithGoogle?A.Itoperatesbasedonlimiteddata.B.Ittakesmoretimetosearchforsolutions.C.Itcanonlyupdateinformationatafixedtime.D.Itmayproviderepliesunrelatedtothequestions.答案:BADA阅读短文并回答问题OnFebruary13,2023,WuYibingmadehistory,beatingJohnIsnerinathrillingthree-setfinalattheDallasOpentobecomethefirstmanfromChinatowinanATPtitle.Broughttoatenniscourtforthefirsttimeatjustfive,initiallyencouragedbyhisparentsasanexercisetoloseweight,Wusoonhadhistalentdiscoveredbyhisprovincialjuniorteam,kickingoffajourneythatwouldchangethefaceofmen’stennisinChina.In2017,WuYibingshottoprominenceafterwinningtheUSOpenboys’tournamentat18tobecomethefirstChinesetowinamajorjuniortitle,raisinghighhopesforthe“WonderBoy”tochangethefortuneofChinesemeninasportlongdominatedbywomen’ssuccessontheprostage.In2018,WuwonhisfirstATPChallengertitleinShanghai.However,thebrutally(残酷地)competitivenatureofmen’sprotennishittherisingWuwithatoughreminderaftermultipleinjuries—tohiselbow,lowerback,shoulderandwrist—forcedhimtobeawayfromtheATPTourforclosetothreeyears.HemadehisreturnlastyearandwonthreeATPChallengertitlesbeforequalifyingfortheUSOpen.“Lookingback,IfeellikeIwouldn’thavebeenhereifnotfortheupsanddownsoverthepastfewyears.Itakeallt
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