浙江省杭州市高桥初中教育集团2022届九年级12月份质量检测英语试卷

2022学年高桥初中教育集团九年级12月份质量检测英语试题卷考生须知：本试卷分试题卷和答题卷两部分。满分120分，考试时间100分钟。答题时，必须在答题卷密封区内写明学校、班级、座位号、姓名等内容。I、听力部分（25分）一、听短对话，回答问题（共5小题，计5分）听下面5段对话，每段对话后有一个小题。从题中所给的A、B、C三个选项中选出最佳选项，并标在试题的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。()1.Whataretheytalkingabout?A.Buyingabirthdaypresent. B.LearningEnglish. C.Havingabirthdayparty.()2.Whatdoesthewomanmean?A.Themanshouldstopsmoking. B.Themanshouldstopdrinkingcoffee.C.Drinkingcoffeeisbetterthansmoking.()3.WhatisthemostusefulwayforErictoimprovehisEnglish?A.WatchingEnglishmovies. B.Readingmagazines. C.PracticingspeakingEnglish.()4.WhatisTeddy’sattitude（态度）totoomuchhomework?A.Tocopyothers’. B.Totryhisbest. C.Toforgetit.()5.Whatdidthegirlusetodoaccordingtothedialogue?A.Gotobedlate. B.Beafraidofherfather.C.Sleepwiththelighton.二、听较长对话，回答问题（共6小题，计12分）听下面两段长对话。每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项。听每段对话前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。每段对话读两遍。听下面一段对话，回答第6至第8小题，对话读两遍。现在，你有15秒钟的时间阅读这三个小题。()6.WhatdotheywanttodonextSpringFestival?A.Followthecustoms. B.Haveaspecialone. C.Juststayathome.()7.Whatkindofplacesdoesthemanprefertovisit?A.Cities. B.Beaches. C.Swimmingpools.()8.Whoarethetwospeakersaccordingtothedialogue?Acouple. B.Motherandson. C.Fatheranddaughter.听下面一段对话，回答第9至第11小题，对话读两遍。现在，你有15秒钟的时间阅读这三个小题。()9.Whatwilltheweatherprobablybeliketomorrow?A.Sunny.B.Cloudy. C.Rainy.()10.Whatdoestheboyplantodoatfirst?A.Goonapicnic. B.Gotothecinema.C.Playping-pong.()11.Whatdoestheboyfinallydecidetodo?A.Gotothecinema.B.Readcomputerbooks. C.Playping-pong.三、听独白，回答问题（共4小题，计8分） 听下面一段独白，并按独白的要求在试卷上完成任务，你可以边听边完成任务，然后你会看到4个问题和相关的选项。请从每个问题A、B、C三个选项中选出最佳选项。听独白前，你有20秒钟的时间阅读有关材料和4个小题。听完独白后，你有20秒钟的时间来选择有关选项。独白连读两遍。参考词汇:amylum：['æmɪləm]淀粉iodine['aɪədaɪn]碘酒dissolve[dɪ'zɔlv]溶解chopstick['tʃɔpstɪk]筷子mixture['mɪkstʃə]混合物Vitamin[vɪtəmɪn]维生素()12.Whatisnotusedinthisexperiment(实验)?A.Boilingwater.B.Vegetable.C.Milk.()13.Whatcanbeusedifyoudon’thaveaglass?A.AglassB.AbowlC.Achopstick(筷子)()14.Whichofthefollowingisthelaststepoftheexperiment?A.Putalittleamylum(淀粉)intotheglass.B.Drop(滴)someiodine(碘酒)intothemixture(混合物).C.Dropthejuiceofthegreenvegetablesintotheglass.()15.WhatcolorwillitbeifthereissomeVitaminC(维生素C)inthevegetable?A.BlueB.MilkwhiteCYellowII.笔试部分（95分）四、单项填空（共15小题，计15分）()16.Theunderlinedpartintheword“clothes”ispronouncedas______.A./zis/B./sis/C./θs/D./ðz/()17.Whenthecoldwintercomes,awarmspringis________A.nearB.nextC.nearby D.nextto()18.Teenagersshouldhave_____rightideas.Iagree.A.hisownB.theirownC.themselvesD.himself()toomuchtimesurfingonlineisnotgoodforoureyes.A.SpendingB.TakingC.PayingD.Costing()20.--Ihavegreat________inlearningmathandI’msoworried.Couldyouhelpmewithit?--Sure,Iwouldbegladto.A.interestB.troubleC.funD.success()21.–Theredidn’tusetobesomuchpollution,__________?--No,butnowthingsgetmoreandmoreserious.A.didn’tthereB.weren’tthereC.didthereD.werethere()22.Hey,turnitoff!Wedon’t_______musicinthereadingroom.A.likeB.allowC.hearD.play()23.Atfirsthehatedthenewjobbutdecidedtogivehimselfsometimetosee______itcouldgetanybetter.A.if B.howC.whenD.what()24.Iamhungry.Isthereanybreadinthefridge?_______.Butwehavesomecakes.Wouldyouliketohaveone?A.NothingB.NooneC.SomeD.None()25.Ifyouwanttogotothecinemathisevening,so_______I.A.doB.wantC.amD.will()26.Healways_______hisfriendsabouteverything.Infacthehasnothoughtsofhisown.A.agreeswithB.talkswithC.thinkswithwith()27._______doyoulikethemusic?It’sfantastic!Ithinkit_______Mozart.A.What;belongstoB.How;belongstoC.What;belongsD.How;belongs()28.Haveyoueverheardofthepopularstar______iscalledLadyGaga?Tobehonest,Ican’tstandher.A.WhoseB.whomC.whichD.Who()yourgrandpafallsdownthesteps?Soyoushouldgowithhim.A.WhataboutB.WhatifC.EvenifD.Asif()30.WillyoujoinustoplaybasketballonSaturdayafternoon?____________,butIpromisedtogoswimmingwithEric.A.Nevermind B.MypleasureC.Takeiteasy D.Manythanks五、完形填空（共15小题，计15分）通读下面短文，掌握其大意，然后在各题所给的四个选项(A、B、C和D)中选出一个最佳选项。“Hi!John.”Maryrantowardsmewithabrightsmile,saying,“I’mgoingtohaveadanceperformancetonight.Ihopeyou’llcome.Hereistheticket.Don’tforget!”Thenshe31in“What?Dance?Isthat32?”Iaskedmyself.Marywasnotsuchkindofgirl.Shewasaquite33one.Ihadneverseenherwearingcolorfulclothes.Infact,shereallydidnotknow34todressup.Whataterriblething!“Ishouldgoto,Imustgoto.”Ithought.Iarrivedatthehallwiththeticket,foundmy35andsatdown.Herperformancewastheseventhone.IknewIwouldhavea36timebeforeherturn,forIhadnosenseofart,37herperformancewasworth(值得)watching,nomatterhowlongIwouldwent38,Itriedmybestnottofallasleep.Justthen,camethe39“Let’swelcomethenextexcitingdance―Latin!”,Hearingthis,Iopenedmyeyesaslargeaspossible,40toloseanything.Wearingagoldenandshiningskirt,Maryappeared.She41withasweetsmile,lookinglikeaprettybutterflyflying.Icould42believemyeyes.Afteralltheperformanceended,I43heratthegate.“Hi!”Shestoodinfrontofmewithhercrystal（水晶）shoes.“Howdoyoufeel?”“Fantastic!”Ianswered.“Ha,ha.Iknew44wouldbe.”Shecouldnothideherexcitement,laughing45aAtthattime,IrealizedthateverygirlhasapairofspecialshoeswhicharelikethecrystalshoesofCinderella.()31.A.cameB.jumpedC.leftD.moved()32.A.possibleB.luckyC.funnyD.careful()33.A.modernB.commonC.perfectD.careful()34.A.whyB.whereC.whenD.how()35.A.seatB.roomC.gateD.way()36.A.greatB.shortC.hardD.relaxing()37.A.orB.soC.butD.and()38.A.quicklyB.slowlyC.safelyD.easily()39.A.wordsB.sentencesC.soundsD.cries()40.A.hopingB.fearingC.planningD.hating()41.A.walkedB.skatedC.dancedD.stood()42.A.seriouslyB.hardlyC.nearlyD.certainly()43.A.waitedforB.lookedforC.paidforD.caredfor()44.A.IB.youC.sheD.it()45.A.asB.likeC.forD.at六、阅读理解（共15小题，计30分）第一节：阅读下列短文,从每题所给的四个选项（A、B、C、D）中选出最佳选项。AMostofthepeoplebornafter1990arestillinschool.ButSingaporeanpopgirlgroupBy2hasbeenworkingformorethanthreeyears.Lastmonth,the19-year-oldtwinsistersreleasedtheirfourthalbum90’Now.Thesongs,accordingtoBy2,show“thespiritofthe90’sgeneration(一代人).”Bornin1992,lifeforBy2isquitedifferentfromthatoftheirpeers(同龄人).Afterwinningatalentcompetitionin2022,thegirlssignedwitharecordingcompanyandstartedtosingat15.Thesistershadtogiveuptheirstudiestorealizetheirdreamofbecomingpopstars.Theirsuccesshelpsthemsupporttheirfamily,sincetheirfatherdiedofcancerin2022.Someopportunitiesonlyknockonce.Thereismuchmoretobeasingerthanjustsinging.TheyhadtoleavehomeandworkinTaiwan.Theyhadtodealwithdifferentpeople.Theywerealsofacedwithmanymisunderstandings.Infact,thesisterssaidtheyhadhitalowpoint(陷入低谷)inlifeoverthepasttwoyears.“Maybeweweretooyoungtotakethesuddenchangesandchallenges,”saidBy2.“Wefeltunsafeandwedidn’ttrustanyone.”Fortunatelyitseemsthedarktimehasgone.“Badthingskeepcomingonlyifyoukeepthinkingofthem.Everyyoungpersoncouldfacethesameproblems;onlywefacedthemearlier.”Thejoyfuldiscomusicinthenewalbumtellsoftheirattitude(态度)now,saidBy2.“The90’sgenerationshouldnotbeafraid.Lifeisalongjourney.Wemayseize（抓住）themoment.”()46.“90’Now”isBY2’s_____album.A.firstB.secondC.thirdD.fourth()47.WhatwasnotTRUEaboutBy2in2022,accordingtothestory?A.Thetwinsreleasedtheirthirdalbum.B.BY2wonatalentcontest.C.BY2startedtosing.D.BY2’sfatherdiedofcancer.()48.Whathasmadethetwosistershitalowpointinlifeoverthepasttwoyears?a.TheyhadtoleavehomeforTaiwan.b.Theyhadtogotomanyparties.c.Theyhadtodealwithdifferentpeople.d.Manypeoplemisunderstoodthem.e.Theymissedtheirfamilyverymuch.A.abcB.acdC.cdeD.bcd()49.WhatisNOTTRUEaccordingtothepassage?A.BY2isapopgirlgroupB.BY2didn’tleaveschoolC.BY2usedtotrustnooneD.BY2hasapositiveattitudetowardslife()50.Whatisthebesttitleofthispassage?A.LifeisalongjourneyB.DarktimehasgoneC.Thevoiceof90'sD.By2'snewalbumBItcomeswithoutwarning.Itdestroyspeople’sbodies.Itkillsalmost5,000peoplearoundtheworldeveryday.ThisisAIDS–oneofthemostdangeroushumandiseasesontheEarth.December1isWorldAIDSDay.Thisyear’sthemeis“GettingtoZero:zeronewHIVinfections(传染),zerodiscrimination(歧视)andzeroAIDS–relateddeaths”.AIDSstandsforAcquiredImmunodeficiencySyndrome(获得性免疫缺陷综合症).ItiscausedbyHIV–avirus(病毒).HIVtravelsinpeople’sbloodandaffectsTcells(细胞),atypeofcellthathelpsthebodyfightdiseases.ItmaytakeyearsforthevirustoharmenoughTcellsfortheinfectedpersontogetsickanddevelopAIDS.HIVandAIDSspreadsthroughblood-to-bloodcontact,sharingneedlesorhavingbloodtransfusions.AmotherwithHIVcangivethevirustoherunbornbaby.UnsafesexcanalsospreadAIDS.Rightnowthereisnocure(治疗)forHIVorAIDS.However,newtreatmentscanhelppeoplewiththeviruslivelonger.The“AIDSCocktail(鸡尾酒疗法)”,usesseveraldrugsmixedtogetherlikeacocktail.ItcanhelppeoplewithHIVtolivelonger.OnWorldAIDSDay,peoplewearredribbonstoshowtheycareaboutHIVandAIDS.Americanartiststhoughtuptheredribbonsin1991.Theychoseredbecauseitisboldandvisible–symbolizing(象征)passion,aheartandlove.HowmuchdoyouknowaboutAIDS?Q:CanyougetAIDSfromshakinghandswithsomeonewhohasAIDS?A:No.TheHIVviruscannotliveoutsidethehumanbody.Sosocialcontactsuchashugging(拥抱)orkissinganAIDSpatientcannotgiveyouAIDS,either.Q:CanyougetAIDSifmosquitoes(蚊子)bite(叮咬)you?A:No.Mosquitoesdotakebloodfrompeoplebuttheydonotexchangebloodbetweenpeople.Q:IfadogbitessomeonewithAIDS,andthenbitesyou,canyoucatchAIDS?A:No.AIDSonlyaffectshumans.Animalscannotcatchthisillnessfrompeople,andpeoplecannotcatchitfromanimals.()51.Thisyear’sthemeincludesthefollowingideasEXCEPT_____.A.nobodywillgetanydiseasesanymoreB.nobodywillbeinfectedbyHIVanymoreC.nobodywillbediscriminatedagainstbecauseofAIDSD.nobodywilldiebecauseofAIDS()52.WhichofthefollowingisNOTthewayofHIVinfection?A.sharingneedlesB.havingbloodtransfusionsC.shakinghandsD.amotherwithHIVgivesittoherunbornbaby()53.WhatisTRUEaccordingtothepassage?A.AIDSisthemostdangerousdiseaseintheworld.B.PeoplewithHIVdevelopAIDSatonce.C.HIVininfectedpersonwillharmtheTcells.D.AIDSkills5000peoplearoundtheworldeveryyear.()54.Whatis"AIDSCocktail"?A.ItisakindofwineforthepeoplewithHIV.B.ItisagoodwaytocureAIDS.C.Itcanhelptheviruslivelonger.D.Itisoneofthenewtreatments.()55.Whatisthemainideaofthepassage?A.AIDShaskilledmanypeople.B.WhatAIDSisandhowitisspread.C.December1:WorldAIDSDay.D.WaystogetAIDS.第二节：请仔细阅读第56-60题中各人的情况说明，从A-F中选出各人应收到的手机短信的内容，其中一项为多余选项。56.Frankisajuniorhighschoolstudent.Heis15yearsold.Helikesstudying.TodayisTuesday.Whenhewokeupinthemorning,hefeltsick.Andthenhehadtoaskforaday’sleave.57.LastSunday,JohnvisitedtheCityZoowithhisparents.Theanimalstherewereverylovely.Johnlikedthemverymuch.Afterhecamebackhomefromthezoo,hedecidedtokeepapet.58.Kelseyisanoutgoinggirl.Sheisalsoarealmoviefan.Shespendsmostofherfreetimeseeingmovies.59.AliceisastudentinNo.1MiddleSchool.Sheliveswithherparents.Hermotherisahotelmanagerandherfatherisadoctor.Theyarealwaysverybusybuttheystilltrytheirbesttotakecareofher.60.Todayisaholiday.IntheeveningLilywentouttowatchthefullmoonwithherfamily.Theyatedeliciousmooncakesandfruits.ButLilydidn’teatmuchbecauseshehadtocontrolherweight.AJennyandIaregoingtoseeKungFuPandaIIattheMaxBMydoghasthreelittlecutepuppies.Doyouwanttokeepone?CHappyMid-AutumnDay!Maythejoyandhappinessaroundyoutodayandalways.DIhaveameetingtonight.Yourdinnerisonthekitchentable.Doyourhomeworkafterdinner.EDoyoufeelbetternow?WehaveanEnglishtesttomorrow.ReadthesentencesonPage15.FAnewsupermarketwillopeninourneighborhood.Iamgoingtogoshopping.Wouldyouliketogotherewithme?七、词语填空（共10小题，计10分）用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。happygoodwouldidealikemakefindwhenwhatandYouwillgotoahighschooloneday,won’tyou?Maybeyoudon’tknowwhattodo.Well,here’salistofthetopsixthingstodo61you’reinhighschool.Thesethingswillgiveyou62ofwhatyourhighschoollifecouldbe63.Hereyougo!1.Findyourpassion(激情)andwhatkindofpersonyouare:Whetherit’sdance,basketball64drawing,theimportantthingisthatyouhave65somethingyouareinterestedin.2.Talktopeopleyou66usuallytalkto:Meetnewpeople,findnewfriendsandeventalktothepeopleyoudon’tlike.Itwillshow67a3.Takepartinatleastonecontest:Thiswillgiveyoutearsoflaughter,68andmemories.4.Getajob:Thiswillhelpyouseewhatit’sliketohaveresponsibility(责任).Itcanalsohelpyou69a5.Takeatripwithyourfriends:Itdoesn’tmatterwhereyougoorwhatyoudo,thememorieswillhappenonthewayandgoontillthefinalplace.6.Doyour70atschool:Don’tevergetlazy.Workinghardnowwillhelpyouinthefuture.八、单词拼写（共10小题，计10分）根据下列句子及所给单词的首字母，在答题纸上按题号写出各单词的完全形式（每空限填一词）。71.Thethiefd__________thewalletandranawaywhenhesawthepoliceman.72.Sometimesforasickperson,keepinghappyisalotmoreh__________thantakingmedicine.73.I’llfinishmyworkasq__________aspossible.ThenIcanhaveagoodrest.74.Agoodl__________hasneverstoppedothersshowingtheirideaswhiletheyaretalking.75.Fastfoodi__________isn’talwaysbadforyou,buttoomuchofitisnotgood.76.Sometimespeoplearetoobusytogettogether.Soc_________onlinewithfriendsbecomesatrendnow.77.Themorecarefulyouareintheexam,thef________mistakesyouwillmake.78.Weallknowthat“Z”isthef__________letterinthealphabet.79.Thesoundmustcomefrommynextdoorn__________house.80.Ifthemountainwasc___________withsnow,itwouldbecomemorebeautiful.九、书面表达（共1小题，计15分）每个人都有与众不同之处，有些人性格外向，喜欢结交朋友；有一些人喜欢阅读，经常去图书馆。还有一些人对生活持有乐观积极的态度，遇到困难也会勇敢面对。你有什么与众不同的地方吗？是什么让你变得与众不同呢？请以“Whatmakesmedifferent?”为题写一篇文章（部分已给出）。注意：1.内容必须包括已给出的信息，要求表述清晰，但不要逐词逐句翻译；

2.开头和结尾已经为你写好，你只需接着写中间部分。

3.词数：80个左右。开头部分内容不计入总词数。一些学生性格外向喜欢结交朋友一些学生喜欢阅读最喜欢去的地方是学校图书馆还有一些学生保持乐观的态度遇到困难也会勇敢面对你…………参考词汇：keepoptimistic(保持乐观)，face…..bravely(勇敢面对)Whatmakesmedifferent?IwalkthroughthedoorsofmyschoolasIwatchhundredsofkidspassby.Manyteenagerslikemecomeheretostudybuteverystudentisdifferentfromothers.Whatmakesussodifferent?Forexample,____________________________________________________________________________________________________________________________________________________________________________________________________________________________英语答题卷一、听力部分（共25分）一、听短对话，回答问题（共5小题，计5分）二、听较长对话，回答问题（共6小题，计12分）三、听独白，回答问题（共4小题，计8分）二、笔试部分（共95分）四、单项填空（共15小题，计15分）五．完形填空（共15小题,计15分）六.阅读理解（共15小题,计30分）七、词语填空（共10小题，计10分）0.八、单词拼写（共10小题，计10分）0.九、书面表达（共1小题，计15分）Whatmakesmedifferent?IwalkthroughthedoorsofmyschoolasIwatchhundredsofkidspassby.Manyteenagerslikemecomeheretostudybuteverystudentisdifferentfromothers.Whatmakesussodifferent?Forexample,__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________2022-2022学年浙江杭州高桥初中教育集团九年级12月份质量检测英语试卷九年级英语听力材料及答案一、听对话回答问题。听下面5段小对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试题的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。Text1:W:I’dliketogetmysisteranicepresentforherbirthday.M:Well,she’slearningEnglish.WhataboutanEnglishdictionary?W:Isitusefultoher?M:Ithinkso.Text2:W:Oh,dear,whatdidthedoctorsaytoyou?M:Shetoldmetostopsmoking.W:Butshouldn’tyoustopdrinkingcoffee?M:Drinkingcoffeeisbetterthansmoking.Text3:W:Hey,Eric!Ihearthatyou’vepassedexamsintheGrammarSchool.HowcanyouimproveyourEnglishsofast?M:BywatchingEnglishmoviesandreadingmagazines.But,PracticingspeakingEnglishisthemosthelpfulforme.Text4:W:Istheretoomuchhomeworkinyourschool,Teddy?M:Uh...yeah,sometimes.W:Ifyoucan’tfinishitontime,howdoyoudealwithit?M:Somejustcopyothers’,andsomeofusevencanforgetit,butIalwaystrymybest.Text5:M:Honey,it’sbedtime.Youshouldgotoschooltomorrow.W:Ok.Andplease,helpmeturnoffthelights.M:Really?Aren’tyouterrifiedofthedark?Youusedtobeafraidofitwhenyouwerealittlekid.W:Oh,I’m8yearsoldnow.AndIheardthatgoingtosleepwithbedroomlightonisnotgood.二、听长对话回答问题。听下面两段长对话。每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项。听每段对话前，你有时间阅读各小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。每段对话读两遍。(停2秒)听下面一段对话，回答第6至8三个小题。现在，你有15秒钟的时间阅读这三个小题。(停10秒)Dialogue1：W：NowadayssomecustomsoftheSpringFestivalarechanging.M：Yeah,moreandmorepeoplegotravelingduringtheSpringFestival.W：HowaboutgoingonavacationnextSpringFestivalforachange?We’vebeentoobusysincewegotmarried.M：Soundsnotbad.W：Whichdoyouprefer,sightseeinginthecityorabeachvacation?M：Oh,Ihavebeenboredwiththebusycitysincewemovedhere.W：ButIcan’tswim,yousee.M：Everythinghasitsfirst.听下面一段对话，回答第9至第11三个小题。现在，你有15秒钟的时间阅读这三个小题。Dialogue2:M:Hi,Alice.Whatanicedaytoday!W:Butitwillbecloudyintheafternoon,theweathermansays.M:Really?Then,whatwilltheweatherbeliketomorrow,doyouknow?W:Well,it’sprobablygoingtohavesomerain.M:Whatapity!W:Areyougoingtodosomethingoutdoors?M:Yes.Iamgoingonapicnicwithmyfriends.Ifitrains,we’llhavetochangeourplan.W:Don’tworry.Ifso,therearestillmanythingsyoucando.M:Likewhat?W:Youcangotothecinema,playping-pongoryoucancometomyhouse,ifyoulike.I’vejustboughtseveralbooksoncomputer.M:That’sgreat.I’vewantedtoreadsuchbooksforalongtime.三、听独白，回答问题（共4小题，计8分） 听下面一段独白，并按独白的要求在试卷上完成任务，你可以边听边完成任务，然后你会看到4个问题和相关的选项。请从每个问题A、B、C三个选项中选出最佳选项。听独白前，你有20秒钟的时间阅读有关材料和4个小题。听完独白后，你有20秒钟的时间来选择有关选项。独白连读两遍。参考词汇:amylum：['æmɪləm]淀粉iodine['aɪədaɪn]碘酒dissolve[dɪ'zɔlv]溶解chopstick['tʃɔpstɪk]筷子mixture['mɪkstʃə]混合物Vitamin[vɪtəmɪn]维生素Hello,boysandgirls!Doyouknowchemistry?Justlikeitsname,chem-is-try,chemistryisanexperimentalscience,whichisinterestingandfullofchallenge.TodayIwilltellyouasimpleexperiment