2023屆安徽省蚌埠高三考前熱身英語試卷含解析

2023高考英語模擬試卷注意事項：1．答卷前，考生務必將自己的姓名、準考證號填寫在答題卡上。2．回答選擇題時，選出每小題答案后，用鉛筆把答題卡上對應題目的答案標號涂黑，如需改動，用橡皮擦干凈后，再選涂其它答案標號?；卮鸱沁x擇題時，將答案寫在答題卡上，寫在本試卷上無效。3．考試結束后，將本試卷和答題卡一并交回。第一部分（共20小題，每小題1.5分，滿分30分）1．Nothavingworkedouttheprogram,________leavetheoffice.A．sohewasforbiddentoB．andhedidn’twanttoC．hislittlesoncouldn’tmakehimD．becouldn’tfreehimselfto2．Wheneveryou________apresent,youshouldthinkaboutitfromthereceiver’spointofview.A．bought B．havebought C．willbuy D．buy3．—ThankGodIpassedtheinterviewyesterday.Iwassweatingheavily.—Metoo.I________whenIwassittingoutsidewaiting.A．lookeddownmynose B．letmyhairdownC．hadbutterfliesinmystomach D．chancedmyarm4．Mr.Smithdidn’tunderstand_____madehissonsoupsetthatevening.A．whatwasit B．whyitwasthis C．howthatwas D．whatitwasthat5．—Ineedtoadvertiseforaroommatefornextterm.—______?Maryisinterested.A．Whatfor B．WhynotC．Sowhat D．Whybother6．Ellenisafantasticdancer.IwishI________aswellasher.A．dance B．willdanceC．haddanced D．danced7．Theexpertpointsoutthephenomenonthatcreamgoesbadfasterthanbutter______itsstructureratherthanitschemicalcomposition.A．livesupto B．getsdowntoC．comesdownto D．standsupto8．—It’stoocomplex,Ithink．—________.Sowe’dbettermakeiteasierforstudentstogetinvolved．A．That’sridiculous B．That’sthepointC．That’ssettled D．That’sallright9．—IfeelsonervousabouttheNationalEnglishSpeechCompetitiontomorrow.—.A．Ireallyenvyyou B．GladtohearthatC．Soundsgreat D．Takeiteasy10．Ifyouthinkthattheillnessmightbeserious,youshouldnot_________goingtothedoctor.A．putoff B．setaboutC．holdback D．giveaway11．I'dadviseanyonetoputasideaproportionoftheirearnings—____________.A．nothinggreatiseasy B．nothingcomesfromnothingC．abadpennyalwaysturnsup D．apennysavedisapennyearned12．—YoualllikeyourEnglishteacher?—Yeah,shedevotesherself____toteachinganditearnsheragoodreputation．A．originally B．extremely C．obviously D．entirely13．Hehasmadelittlepreparationfortheinterview,sothechanceofhimsucceedinginitis.A．slimB．fantasticC．obviousD．gentle14．—Isay,Harry.Whatdidyousaytothelaid-offworkerjustnow?—Nothing.Itomyself.A．hadonlytalked B．amonlytalking C．havejusttalked D．wasjusttalking15．Don’tletthechildwhois________gotoschool．A．soyoungasto B．notoldenoughto C．notoldenough D．tooyoungto16．Thenumberofstay-at-homefathersreachedarecordhighlastyear,newfiguresshow,_______familiessawariseinfemalebreadwinners.A．ifB．asC．becauseD．though17．Moresubwaylines______tomaketravellingeasyinBeijinginthecomingyears.A．willbuild B．willbebuiltC．build D．arebuilt18．That’swhyIhelpbrightenpeople’sdays.Ifyou________,who’stosaythatanotherpersonwill?A．didn’t B．don’tC．weren’t D．haven’t19．TheLushanMountain,occupyinganareaof302squarekilometers,possessesrichculturalandgeological__________.A．attractions B．amusements C．entertainments D．presentations20．--IhaveheardMr.Morganwillbehereat4:00pm.nextThursday.--No,he_______atthattime.A．wasboarding B．wouldbeboardingC．willbeboarding D．isboarding第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。21．（6分）Whatmakesapersonagiverortaker?Theidea“givevs.take”takesshapeinallinteractions(互動)andrelationshipsofourlives.We’reeithergivingadvice,makingtimeforpeople,orwe’reonthereceivingend.Wekeepchangingbetweenthetwobasedondifferentsituationsonadailybasis,ifnotanhourlyone.AccordingtoAdamGrant,aprofessorattheUniversityofPennsylvania,mostpeoplearematchers.Theymakecarefulobservationsontakersandmakeitapointforthemtopaysomethingback.Theyhatetoseepeoplewhoactsogenerouslytowardsothersnotreceiveanyrewards.Actually,mostmatcherswilltryhardtopromoteandsupportgiverssothattheycangetthegoodtheydeserve.Isthereagenderfactor(性別因素)thatplaysapartinthis?AstudyledbyHannahRileyBowles,aprofessoratHarvardUniversity,focusedonthisquestion.Sheasked200seniormanagerstositdowninpairswhereonepersonwouldactasthebossandtheotherasanemployeetodiscusssalarypromotions.Male“employees”askedforanaveragesalaryof$146kwhilethefemalesaskedforonly$141k.Butwhydidtheynotbargainashardasthemen?Simplybecausetheyweremorelikelytobegivers.Asawoman,Idoenjoytheactofgivingupmytime,myknowledge,andmycareandmyattentiontoothers.Idon’texpectanythinginreturn,butIdotendtopullmyselfawaywhenIfeellikeI’mbeingtakenforgranted.IalsotendtogetupsetwhenIseealovedone’scontinuousactionsofkindnessgounnoticed.So,it’ssafetosayI’m50%giver,35%matcherand15%taker.Idoknowsomeone,however,whois99%giver.They’reconstantlydevotingtheirtime,sharingvaluableinsights(洞察力)andgoingoutoftheirwayforeveryonewhocrossestheirpath.Althoughthey’rechangedthelivesofmanypeople,theyrarelyseeanyofitreturned.Buttheuniverseisslowlyrepayingthem;they’renowextremelysuccessful,wellknownforwhattheydo.1、Wecanlearnfromthefirstparagraphthat________.A．mostpeoplethinktheyaregiversB．peoplearenotalwaysgiversortakersC．anindividualisborntobeagiveroratakerD．fewdifferencesexistbetweengiversandtakers2、InAdamGrant’sopinion,mostpeople________.A．hatetakers B．prefergivingtotakingC．enjoyrelyingonthemselves D．balancegivingandtaking3、Hannah’sstudyfocusedon________.A．theroleofgivingandtakinginjobsB．thegenderdifferenceingivingandtakingC．theroleofmenandwomeninsocietyD．thesalarydifferencebetweenwomenandmen4、Theauthortendsto________.A．thinkactsofkindnessshouldbevaluedB．expectsomethinginreturnforgivingmostofthetimeC．takegivingforgrantedD．beacompletematcher5、Whatcanbeinferredfromthelastparagraph?A．Givingistheshortestpathtosuccess.B．Sharingisthegreatesthumanquality.C．Nogooddeedgoesundone.D．Giversareworthrespecting.22．（8分）ACommonHabitLeadstoShockingHarmCrossingyourlegsisanextremelycommonhabit;mostpeopledon’tevennoticethatthey’redoingitwhentheysitdown.Whileyoumayfinditcomfortabletositwithonekneecrossedovertheother,itmightbecausinghealthproblemsthatyouarenotawareof.AstudypublishedinBloodPressureMonitoringstatedthatsittingwithyourlegscrossedcanincreaseyourbloodpressure.Thereasonthishappensisbecausethebloodinyourlegshastoworkagainstgravitytobepumpedbacktoyourheart,crossingonelegovertheotherincreasesresistance,makingitevenharderforthebloodtocirculate.Thiscausesyourbodytoincreaseyourbloodpressuretopushthebloodbacktotheheart.Youwon’tfeelanyimmediateeffects,butifyousitforlongperiodsoftimeit’simportantthatyoutakenoteofhowlongyouhaveyourlegscrossedfor.Youshouldn’thaveyourlegscrossedformorethan15minutes,andit’simportantthatyougetupandwalkaroundatleastonceeveryhour.Crossingyourlegscanalsoleadtoneckandbackpain.Ideally,it’sbestforourbodiestositwithourfeetplantedflat,hipwidthapart,onthefloor,butit’snoteasytomaintainperfectposturealldayattheoffice.Whenyousitwithyourlegscrossedyourhipsareinatwistedposition,whichcancauseoneofyourpelvicbonestorotate.Sinceyourpelvicbonesupportsyourneckandspine,thiscancausepressureonyourlowerandmiddlebackandneck.Youalsomightnoticethatwhenyousitwithyourlegscrossedforlongperiodsoftimeyourfeetandlegsgettinglyorhavethefeelingofbeingasleep.Thisisbecausewhenonelegsitsontopoftheotheritcausespressureontheveinsandnervesinyourlegsandfeet.Itcancausenumbnessortemporaryparalysisinthelegs,ankles,orfeet.Whilethefeelingofdiscomfortmayonlylastaminuteortwo,repeatedlycrossingyourlegsuntiltheyfeelnumbcancausepermanentnervedamage.Sonexttimeyousitdown,trytogetyourselfinthehabitofsittingwithbothofyourfeetonthefloor.Notonlywillithelpyourpostureandstability,butitwillalsosaveyourhealthinthelongrun.1、Accordingtothepassage,whichisnottheproblemcausedbysittingwithyourlegscrossed?A．IncreasebloodpressureB．CauseneckandbackpainC．LeadtonumbnessortemporaryparalysisD．Keepinatwistedposition2、What’sthebestexplanationoftheunderlinedword“circulate”?A．GostraightB．MovearoundC．FalldownD．Workagainstgravity3、Whichofthefollowingstatementistrue?A．Onceyoucrossyourlegswhilesitting,you’llfeelimmediateeffects.B．Thenumbnessinthelegs,anklesorfeetwon’tcausepermanentnervedamage.C．Theperfectpostureforsittingistositwithyourfeetplantedflatandhipwidthapart.D．Aslongasyoucrossyourlegsforlessthan15minutes,itwon’tdoharmtoyourhealth.23．（8分）Afreshlybakedrollisasdelightfulasasoft，lightcloudonasummer'sday.Whatgivesbreadmuchofitsappealingtextureisgluten，agroupofproteinsfoundinwheat.Butinpeoplewithceliacdisease(乳糜瀉)，glutendamagesthesmallintestine(腸).Manyothersmayhavemilderglutenintoleranceandavoidfoodsthatcontainit.Mostgluten-freebreadismadefromalternativeflourssuchasriceorpotato，soittastesandfeelsdifferentfromwheatbread.Now，however，researcherssaythattheyhavefoundawaytogeneticallyengineerwheatthatcontainsfarlessofthemosttroublesometypeofgluten—butstillhasotherproteinsthatgivebreaditscharacteristictasteandspringiness.Geneticallymodifiedcropsarethesubjectoffiercedebatearoundtheworld.ThebiggestconcerninvolvesthepracticeofinsertingDNAfromonespeciesintoanother，saysFranciscoBarro，aplantbiotechnologist.Toavoidthisgeneticcrossover，Barroandhiscolleaguesusedthegene-editingtechniqueCRISPR／Cas9tocutselectedgenesfromawheatgenome(基因組).Theirstudyzeroedinonalpha-gliadins(α-膠質蛋白)，glutenproteinsbelievedtobewheat’smajortroublemakersintheimmunesystem.Theresearchersdesignedbitsofgeneticmaterialthatdirectedthescissor-likeCas9proteintocutout35ofthe45alpha—gliadingenes.WhenthemodifiedwheatwastestedinaPetridish，itproducedan85percentweakerimmuneresponse，theteamreportedonlinelastSeptemberinPlantBiotechnologyJournal.WendyHarwood，acropgeneticistattheJohnInnesCenterinEngland，whowasnotpartofthestudy，notesthattheengineeredwheathasalongwaytogobeforeitcanbeturnedintoanythingmarketable.“Idon’tthinkit'stheendofthestory.”shesays.“Thisisjustareallyimportantstepinmaybeproducingsomethingthatisgoingtobeincrediblyuseful.”Todevelopacompletelysafestrainofwheatforceliacpatients，theresearchersmayneedtotargetmoreoftheglutengenes.Barrosayshisteamisworkingonthat.1、What’sthetextmainlyabout?A．Makinggluten—freebread.B．Advantagesofgluten-freewheat.C．Debateaboutgeneticallymodifiedcrops.D．Developinggeneticallyengineeredwheat.2、Whyisbreadmentionedinparagraph1?A．Toadvertiseanewstudy.B．Toraisethetopictobewrittenabout.C．Toprovidesomeadviceforthereaders.D．Topopularizesomeinformationaboutmedicine.3、Whatconcernspeoplemostaccordingtoparagraph3?A．Geneticcrossover.B．Gene-editingtechnique.C．ThepracticeofusingDNA．D．Thesubjectoffiercedebate.4、What’sWendyHarwood’sattitudetowardsengineeredwheat?A．Alittlealarmed.B．Mildlysurprised.C．Somewhatopposed.D．Cautiouslyoptimistic.24．（8分）Istillremembermyhandsandmyfingersstillremember—whatusedtolieinstoreforusonourreturntoschoolfromtheholidays.Thetreesintheschoolyardwouldbeinfullleafagainandtheoldleaveswouldbelyingaroundlikeamuddyseaofleaves.“Getthatallsweptup!”theheadmasterwouldtellus.“Iwantthewholeplacecleanedup,atonce!”Therewasenoughworkthere,tolastoveraweek.Especiallysincetheonlytoolswithwhichwewereprovidedwereourhands,ourfingers,ournails.“Nowseethatit’sdoneproperly,andbequickaboutit,”theheadmasterwouldsaytotheelderpupils,“oryou’llhavetoanswerforit!”Soatanorderfromtheelderboyswewouldalllineuplikepeanutsabouttocutandgatherincrops.Iftheworkwasnotgoingasquicklyastheheadmasterexpected,thebigboys,insteadofgivingusahelpinghand,usedtofinditsimplertobeatuswithbranchespulledfromthetrees.Inordertoavoidtheseblows,weusedtobribe(賄賂)theelderboyswiththejuicycakesweusedtobringforourmiddaymeal.Andifwehappenedtohaveanymoneyonus,thecoinschangedhandsatonce.Ifwedidnotdothis,orifwewereafraidofgoinghomewithanemptystomachoranemptypurse,theblowswereredoubled.Theyhitussoviolentlyandwithsuchevilenjoymentevenadeafanddumbpersonwouldhaverealizedthatwewerebeingbeatennotsomuchtomakeusworkharder,hutrathertobeatusintoastateofobedience(服從)inwhichwewouldbeonlytoogladtogiveupourfoodandmoney.Occasionallyoneofus,wornoutbysuchcalculatedcruelty,wouldhavethecouragetocomplaintotheheadmaster.Hewouldofcoursebeveryangry,butthepunishmenthegavetheelderboyswasalwaysverysmall—nothingcomparedtowhattheyhadclonetous.Andthefactisthathowevermuchwecomplained,oursituationdidnotimproveintheslightest.Perhapsweshouldhaveletourparentsknowwhatwasgoingon,butsomehowweneverdreamedofdoingso;Idon’tknowwhetheritwasloyaltyorpridethatkeptussilent,butIcanseenowthatwewerefoolishtokeepquietaboutit,forsuchbeatingwascompletelyforeigntoournature.1、Thestatement“myhandsandmyfingersstillremember”(Para.1)meansthat________.A．theauthorseldomdidsuchhardworkasthecleaningupB．theauthor’shandswerehisonlytoolforthecleaningC．theauthor’shandswereseverelyinjuredinthecleaningupD．theauthorwasbulliedbythebigboysinthecleaningup2、Theheadmasterwouldtellthestudentstocleanuptheschoolyardatthebeginningofthetermbecause________.A．thestudentsdidn’tfinishtheirhomeworkB．theschoolyardwerecoveredwithmudC．hewastoolazyD．thereweremanyfallenleavesontheground3、Theheadmasteraskedtheelderboysto________.A．beatthosewhoworkedslowlyB．treatthesmallboysaspeanutsC．lakechargeoftheprocessofthecleaningD．dothecleaningallbythemselves4、AccordingtoPara.3,iftheauthorhadanymoneyonhim,hemostprobably________.A．gaveittothebigboyssoastopleasethemB．gaveitasabridetotheheadmasterC．spentitallonhismiddaymealD．spentitbuyingmiddaymealsforthebigboys25．（10分）“Atalmostanygivenage，mostofusaregettingbetteratsomethingsandworseatothers，”JoshuaHartshorne，anMITcognitive(認知的)scienceresearcherandtheleadauthorofastudylookingathowintelligencechangesasweage，toldBusinessInsider.Histeamquizzedthousandsofpeopleaged10—90ontheirabilitytodothingslikerememberinglistsofwords，recognizingfaces，learningnames，anddoingmath.Theirresultssuggestthatnomatteryourage，there’salmostalwaysanewpeakonthehorizon.Thehumanbrainhasaremarkablecapacitytorecognizeandidentifyfaces，andscientistsarejustbeginningtolearnwhy.Onaverage，weknowthatourabilitytolearnandremembernewfacesappearstopeakshortlyafterour30thbirthday.Havingtroublefocusing?Thestudysuggeststhatourabilitytomaintainattentionimproveswithage，reachingitspeakaroundage43.Whileyoungeradultsmayexcelinthespeedandflexibilityofinformationprocessing，adultsapproachingtheirmid-yearsmayhavethegreatestcapacitytoremainfocused.Datingistough.Oneofthereasonscouldbethatwe’regenerallybadatreadingotherpeople’semotionsuntilwereachourlate40s.That’saccordingtoonecomponentofHartshorne’sstudy，whichinvolvedshowingthousandsofpeopleimagesoffacescroppedtightlyaroundtheeyearea.Participantswereaskedtodescribetheemotionthepersoninthephotowasfeeling.Performancepeakedforpeopleagedaround48.Manypeoplebelievethattheirmathskillsdeclineaftertheyleaveschoolandstoppracticingarithmetic.Butthenexttimeyoutrytosplitupacheck，keepthisinmind:yourabilitytodobasicsubtractionanddivisiondoesn’treachitsapexuntilyour50thbirthday.EverwonderwhyyoualwaysloseatScrabble?Goodnews:Yourbestdaysmaybeahead.Accordingtopeople’sscoresonmultiple—choicevocabularytests，mostofusdon’treachourpeakwordsmithingabilitiesuntilwe’reinourlate60sorearly70s.1、Whatdidthescientistsmainlytestduringtheresearch?A．Communicationability. B．Athleticability.C．Intelligenceability. D．Readingability.2、Whatdoestheunderlinedword“apex”inparagraph5mean?A．Destination. B．Top. C．Goal. D．Minimum.3、Whoismostlikelytosucceedaccordingtothetext?A．Lucy，72，tryingtowinatScrabble.B．Tom，26，tryingtoidentifystrangers’faces.C．Jack，48，tryingtofocushisattentionforalongtime.D．Lily，43，tryingtoreadtheemotionsindifferenteyes.4、WhatdoesHartshorne’sstudymainlytellus?A．Thereisnoendtolearning.B．Constantdroppingwearsawaythestone.C．Geniusisnothingbutlaboranddiligence.D．Afootmayproveshortwhileaninchmayprovelong.第三部分語言知識運用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個選項中，選出可以填入空白處的最佳選項．26．（30分）“Whatdoyouthinkoftheextraordinaryachievementsofyourlife?”QueenVictoriaofBritainaskedHelenKeller.“Youare1anddeaf,buthowcanyoumakesuchgreatachievements?"Ms.Keller'sanswerwasthe2forherteacher,"IftherewerenoAnneSullivan,thenameofHelenKellerwouldnotbeknown."WhenAnnewaslittle,shesufferedagreat3.Afevermadehernearlylosehereyesightinherchildhood,andshewasdiagnosedasahopeless“l(fā)unatic”（瘋子）bythedoctor.ShewaslockedinthebasementofamentalhospitalinBoston.Sometimes,littleAnn4attackedanyonewhoapproachedher.She5everyonewhoappearedinfrontofhermostofthetime.6,anoldnursebelievedthatlittleAnnehadhopeandaskedto7thetaskoflookingafterthegirl.ShewenttoseelittleAnneeveryday.Thechildignoredhermostofthetime,buttheoldnursedidn't8seeinghereverydayinthebasement.Thekind-heartedladyleftcookiestolittleAnneandspokewordsfullofloveand9toher.Shebelievedthat10sheshowedlove,littleAnnewouldbeableto11.Finally,thedoctor12changesinlittleAnne.Anne,whowasalwaysfullofangerandhostility,showed13andgoodwillshehadneverhadbefore.Theytransferredherupstairsandher14continuedimproving.Thenthelastdaycame,andshe15thementalhospital.Aftershegrewup,AnneSullivanhopedtohelp16,justasthekindoldnursehelpedher.Shesawgreat17inHelenKeller.Shecaredforher,18herstrictly,encouragedher,playedwithherandworkedwithher.AnneSullivan19amiracle（奇跡）inthelifeofHelenKeller.Butfirstitwasakindnursewhohadfull20inlittleAnnethatturnedasilentchildintoakindteacher.1、A．weakB．lameC．thinD．blind2、A．prizeB．praiseC．courageD．mood3、A．stormB．accidentC．disasterD．harm4、A．fiercelyB．silentlyC．obviouslyD．exactly5、A．welcomedB．ignoredC．cheeredD．changed6、A．BesidesB．ThusC．MoreoverD．However7、A．takeonB．lookonC．goonD．turnon8、A．considerB．stopC．permitD．continue9、A．disappointmentB．appreciationC．encouragementD．hate10、A．assoonasB．eventhoughC．asifD．solongas11、A．growB．writeC．recoverD．suit12、A．approvedB．noticedC．proposedD．operated13、A．mildnessB．sympathyC．calmD．wisdom14、A．experimentB．beliefC．sightD．condition15、A．escapedB．finishedC．leftD．survived16、A．theothersB．anotherC．otherD．others17、A．potentialB．statusC．affectionD．satisfaction18、A．committedB．trainedC．controlledD．raised19、A．createdB．foundC．developedD．spread20、A．curiosityB．promiseC．confidenceD．relief第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個適當的單詞或括號內單詞的正確形式。27．（15分）語法填空Teaisoneofthemostfavoreddrinksinourlife．However，theoriginofteaislostamonghistory1．tales．WhatcanberoughlyconfirmedisthatteaoriginatedinthesouthwestofChina．Accordingtoancientstories，thefirstperson2．（discover）theeffectsofteaissaidtobeShennong-thefatherofagricultureandherbalmedicineinChina．It3．（say）thatShennongoncetried72differentkindsofpoisonousplantsinadayandhe4．（lie）ontheground，barelyalive．Atthismoment，henoticedseveralratherfragrantleaves5．（drop）fromthetreebesidehim．Outofcuriosityandhabit，Shennongputtheleaves6．hismouthandchewedthemslowly．Afteralittlewhile，hefeltwelland7．（energy）again．Sohepickedmoreleavestoeatandthuscleared8．（he）bodyfrompoison．TheancientChinesemedicalbook9．（call）ShennongBencaojingstatesthat"Teatastesbitter．Drinkingit，onecanthinkquicker，sleepless，movemoreswiftly，andsee10．clearly．"Thisthenwastheearliestbooktorecordthemedicinaleffectsoftea．第四部分寫作（共兩節(jié)）第一節(jié)短文改錯（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共10處語言錯誤，每句最多有兩處。每處錯誤涉及一個單詞的增加、刪除或修改。增加：在缺詞處加一個漏字符號(∧)，并在其下面寫出該加的詞。刪除：把多余的詞用斜線(\)劃掉。修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。注意：1．每處錯誤及其修改均僅限一詞；2、只允許修改10處，多者(從第11處起)不計分。Withthedevelopmentofmoderntechnology,thereareaplentyofwaysforustocontactpeople.WeChatisprobablyourfavorite,mainlybecauseofitsconvenient.WecankeepincontactwithfriendswheneveritisandwhereverweareaslongasWi-Fiisavailable.Anotheradvantageisitisarelativecheapandquickwayofcommunication.Asmessagesgetsendandreceivedinstantly,thecostofmakingphonecallsiscutdown.Besides,musicaswellaspicturesandvideosareoftendownloadedthroughWeChat,butitisnowausefulentertainmenttool.However,problemsexistatthemeanwhile.Forexample,youridentitycanbeeasilyrevealed,soweshouldpayattentiont