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两个质数的和是偶数． （判断对错）
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两个质数的和一定是偶数．．判断对错
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两个偶数肯定不是互质数．．判断对错
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除2外其他质数中任意两个数的和都是偶数．．判断对错
两个质数的和一定是偶数．判断对错
如果两个质数的积是偶数那么其中一个质数一定是2．判断对错
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两个偶数一定不是互质数两个奇数一定是互质数．．判断对错
两个质数相加和一定是偶数判断对错
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10分根据短文内容用方框内所给单词的正确形式填空每空一词每词一次并将答案写在答题卡上相应的位置.wrongairtooinwhatawayflyatwithoutshineIfyouareaskedthequestionWhatcolouristhesky?Ibelieveyouwillanswerblue.ButIamafraidyouare.Theskyhasnocolor.Whenweseebluewearelookingthebluesunlight.Thesunlightonthelittlebitsofdust灰尘intheair.Istheskyfullof?Iamsurethatyouareaskedthisquestion.Weknowthatthereisairallaroundtheworld.Wecouldnotliveair.Planescouldnotifthereisnotanyair.Ifwegofarenoughfromtheearththenwewillfindthereisnoair.Perhapswecananswersomeofourquestionsnow.isthesky?Theskyisspace.Itisallaroundtheworld.Thereisnothingbutthesunthemoonandthestarsspace.
养生壶是一种用于养生保健的烹饮容器采用新型电加热材料通电后产生热量把壶内的水加热．下图是某款养生壶及其铭牌上的信息求 1养生壶中1L的水从20℃升高到85℃需要吸收多少热量 2正常工作时养生壶加热效率为91%将1中的水加热需要多长时间 3用电高峰期养生壶将1L的水从20℃加热到85℃实际用时363s则实际电压是多少．设养生壶的电阻和加热效率不变．
10分五选五 根据短文内容从短文后的选项中选出能填入下列小题横线上的最佳选项. WhenwillRestallwasinfifthgradehereceivedbussafetytrainingatschool.Localbusdriverstaughtstudentsabouthowtousethebuses'two﹣wayradiosAtwowayradioisaradiothatcanbothsendandreceivemessages1.AndtheyshowedthestudentshowtousetheminemergencyR8agsituations.WillusedwhathelearnedtohelpahurtbusdrivergetquickmedicaltreatmentPeopleinhishometownnowcallthe11﹣yearoldaheroforhisbraveactions. Willwastakingthebustoschoolonemorning.2.Hehadtowait10minutesorsobeforehecouldgetoffthebus. Butthenheheardaloudnoiseandlookeduptoseewhathappened.3.Shehadpassedoutandfelloveronthebusstairs.Willlefthisseatgrabbedthetwo﹣wayradioandreportedthatthedriverwashurt.4.Soonanotherbusdriverandanambulance救护车arrivedtohelp. Whentheygottherethebusdriverwasawakeandsittingupbutnotspeaking.Theysentthedrivertothehospital.Willandeveryoneelseonthebuswenttoclassasusual.Will'sbraveactionsattractedalotofattention.5althoughhedidn'twanttobethespotlight公众注意的焦点IhadtoaskhimsaidhisfatherTimRestal A:Likeeveryotherstudentonthebuswillwasplayingavideogameonhisphone B:AlocalTVstationeveninterviewedhim C:Theusercanbothtalkandlistenit'salsocalledwalkie﹣talkies对讲机 D.Hesawthatthebusdriverwasnolongerinthedriver'sseat E.TheradiosoneachbusletWill'sfriendshearhimreporttheemergency
10分读下面关于感恩节的文章然后判断文章后面的问题正确的答案写T错误的答案写F.Inmostcountriespeopleusuallyeattraditionalfoodonspecialholidays.AspecialdayintheUnitedStatesisThanksgiving.ItisalwaysonthefourthThursdayinNovemberandisatimetogivethanksforfoodintheautumn.AtthistimepeoplealsorememberthefirsttravelersfromEnglandwhocametoliveinAmericaabout400yearsago.Thesetravelershadalonghardwinterandmanyofthemdied.Inthenextautumntheygavethanksforlifeandfoodintheirnewhome.ThesedaysmostAmericansstillcelebratethisideaofgivingthanksbyhavingabigmealathomewiththeirfamily.Themaindishofthismealisalmostalwaysturkeyalargebird.Makingaturkeydinner.HereisonewaytomaketurkeyforaThanksgivingdinner.Firstmixtogethersomebreadpiecesonionssaltandpepper.Nextfilltheturkeywiththisbreadmix.Thenputtheturkeyinahotovenandcookitforafewhours.Whenitisreadyplatetheturkeyonalargeplateandcoveritwithgravy.Finallycuttheturkeyintothinpiecesandeatthemeatwithvegetableslikecarrotsandpotatoes.1ThanksgivingisonthefourthTuesdayinNovemberintheUSA.2Peoplecelebratethefestivaltobethankfulforfoodintheautumnandlifeintheirhome.3Peoplecelebratethefestivalbyonlyeatingalargebirdcalledturkey.4Theturkeyisfullofbreadpiecesonionssaltandpepperbeforebeingcooked.5Theturkeyhasbeencookedatahightemperatureforalongtimebeforeitisputonthetable.
学习了热学的相关知识之后小明和他的兴趣小组组装了如图所示的实验装置完全相同的烧杯中分别装有质量相同的AB两种液体完全相同的燃料盒中分别装有两种不同的燃料并进行了与“热值”和“比热容”相关的物理实验．请你和小明的兴趣小组一起完成下面的实验探究． 1若要探究不同燃料热值的大小关系则要选择图和进行实验在“甲乙丙”中选填比较方法是． 2在探究比热容大小关系的实验中还应控制AB的相等． 3小明的兴趣小组一起根据实验数据绘制出如图丁所示的图象由图象可知液体AB的比热容之比为．
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小明在家用手电筒里发现一个标有2.5V字样的小灯泡他想用学习过的伏安法测灯泡正常发光时的电功率请你帮他一起完成下面的实验．1请你用笔画线代替导线将如图甲所示电路连接完整要求当滑动变阻器的滑片向右滑动时灯泡变亮．2若闭合开关发现小灯泡不亮电流表无示数而电压表指针却有明显的偏转则故障可能是．3排除故障后闭合开关眼睛要观察直到电灯正常发光此时电流表的示数如图乙所示则小灯泡额定功率为W．4若实验过程中发现电流表损坏不能使用他利用剩下的器材和一个阻值已知的R0连接成了如图丙所示的电路也测出了灯泡正常工作时的功率．请帮助小明完成下列实验①闭合开关S1将S2拨到触点2调节滑动变阻器使电压表的示数为．②再将开关S2拨到触点1保持滑片的位置不动读出此时电压表的示数U③灯泡额定功率的表达式为P额＝用已知量和测量量表示．
7.5分阅读下列短文从各题所给的ABCD四个选项中选出最佳选项 ArtificialintelligenceAI人工智能istheabilityofacomputerprogramoramachine.ThecomputerorthemachinewithAIcanthinkandlearn.Itisalsoafieldofstudythattriestomakecomputerssmart.JohnMcCarthyascientistcameupwith提出thenameartificialintelligenceover60yearsago.Manythingssuchaslearningandproblemsolvingcanbedonebycomputersthoughnotinthesamewayaspeopledo. AnunusualgoalofAIresearchistocreatecomputerprograms.Theycanlearnsolveproblemsandthinklogically逻辑地.AtpresentAlcansuccessfullyunderstandinghumanspeechrecognize识别humanfacesoperateself﹣drivingcarsandcompeteinsomegamesystemslikeplayingChess.Howeversomepeoplealsoconsider认为AIadangertohumansifitdevelopstooquickly.AfamousBritishscientistalsowasnotforthiskindoftechnology. MathisthebasiclanguageofAI.IfstudentsaregoodatmaththeywillbemorelikelytobecomesuccessfulAIdesigners设计者inthefuture.Weneednotonlybrightstudentsbutalsoaverage普通的students.Asfor对于averagestudentsiftheygetenoughmathskillstheycanalsobecomesuccessfulAIdesigners.BesidesagoodknowledgeofcomputerscienceisalsonecessaryforAIdesigning. Scientistshopetocreatecreative有创造力andemotional有感情的AI.TheAIcanpossiblyunderstandhumanfeelingsorcreateart.Manywaysandtoolshavebeentriedtodiscoverthiswideandexcitingfield. 1FromParagraph1weknowthat. A.allproblemscanbesolvedbycomputers. B.machineswithAIcanthinkandlearn. C.AIhasbeenaroundforonly60years. D.AIworksinthesamewayaspeople. 2Accordingtothepassagewhatcan'tAIdoatpresent? A.Understandhumanspeech. B.Operateself﹣drivingcars. C.Competeinsomegamesystems. D.Understandhumanfeelings. 3Theunderlinedword〝it″inParagraph2refersto指的是. A.chess. B.ascientist. C.thedanger. D.AI. 4AccordingtothepassageifstudentswanttobecomesuccessfulAIdesignerstheyshouldlearnwell. A.mathandart. B.artandtechnology. C.mathandcomputerscience. D.artandcomputerscience. 5Paragraph4mainlytellsusthescientistaboutAI. A.wishes. B.worries. C.feelings. D.discoveries.
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如图甲所示是一款座圈加热马桶盖．它有高低两个挡其额定电压为220V低温挡和高温档的功率分别是22W和44W其内部电路如图乙所示请你根据所学知识计算下列问题． 1开关如何连接时是低温挡正常电压下低温挡加热的电流多大 2R2的阻值是多少 3如果在额定电压下高温挡加热5分钟则在此过程中电路共消耗多少电能
10分通读短文掌握其大意然后从各题所给的ABCD四个选项中选出可以填入相应空白处的最佳选项 EveryAprilthereisaspecialdayinChina.ItiscalledQingmingFestivalalsocalledTomb﹣SweepingDay.onthatthedaypeople1andhonor纪念theirancestors祖先. Qingmingisan2Chinesefestival.Ithasalonghistory.Itbeganover2000yearsago.Afamouspoem3theTangDynastypoetDuMudescribestheday:RainsfallheavilyasQingmingcomesandpassers﹣by行人withloweredspiritsgo. Tomb﹣SweepingDayhasbeenapublic4ontheChinesemainland中国大陆since2008.Onthisday5bringflowersfoodandwinetotheirancestors'tombs坟墓.Theyputfoodlikecakesandfruitsinfrontofthetombs.Afterthatthey6thedirtoffthetombsandremembertheirdeadfamilymembers. 7doChinesepeopledothis?That'sbecausepeoplethinkthatvisitingtombsisto8respect尊重totheirdeadfamilymembers. HoweverTomb﹣SweepingDayisnotonlyaboutthis.Duringthattimetheweatherisbecoming9.Peoplearealsoabletogarden从事园艺andenjoyoutdooractivities.Familiesoften10foroutings远足orflykitesatthistime. 1A.remember B.meet C.see D.find 2A.popular B.famous C.traditional D.unhappy 3A.for B.by C.with D.as 4A.weekend B.weekday C.journey D.holiday 5A.classes B.families C.friends D.groups 6A.turn B.keep C.sweep D.go 7A.Why B.When C.Where D.Who 8A.bring B.show C.make D.take 9A.warmer B.colder C.cooler D.shorter 10A.havefun B.workhard C.pulltogether D.gettogether
20分Writeareview评论ofthefollowingstoryinabout120words.Thereviewhastoincludethefollowingpoints.阅读下面的故事请根据下面的提示写出一篇约120词的评论. 1Thetitleofyourreview.你撰写的评论的标题. 2Yourideasexamplesandthereasonsforunhappinessandhappinessinthestory.你归纳的关于故事中幸福和不幸福的观点举例子并说明原因. 3Yourideasofhappinessexamplesforhappinessinyourdailylife.归纳你在日常生活中关于幸福的观点并举例说明. 4Yourconclusionabouthappiness.关于幸福的结论. 5Thewordsyoumayuse.你可能用到的词besatisfiedwith对……满意desiren.欲望contentment知足thekey关键tohappiness. Alongtimeagoinarichandbeautifulcountrytherelivedanunhappyking.Hesleptbadlyanddidn'tfeellikeeating.Heoftencriedfornoreason.Thismadethequeenandhispeopleworried.Sotheycalledadoctortoexaminehim.Buthefoundnothingwrongwithhisbody.Hesaidwhatthekingneededwastheshirtofahappypersontowear.Thatwouldmakehimhappy. Theprimeministerwascalledtothepalace.Butwhentheyexplainedtheking'ssituationtohimhesaidAlthoughIhavealotofpoweritdoesn'tmakemehappy.I'malwaysworriedaboutlosingmypower. Thentheking'sbankercametosayI'mafraidI'mnothappyeither.IhavealotofwealthbutI'malwaysworriedaboutlosingmoney.Someonetriestostealmymoney.NextthepalacesingerwascalledtosayI'mfamousbutI'mnothappybecauseI'mworriedaboutbeingfollowedbyothers.Ican'tbefree. Finallythetopgeneralwastoldtogoouttofindahappyman.Hesearchedandsearchedbutcouldn'tfindanyone.Everyoneseemedtohavetheirownproblemsandnoonewastrulyhappy.Justashewantedtogiveup.hesawapoormanonthestreet.Hewaseatingwithhishandsandsinginghappilytohimself.ThegeneralwenttohimandsaidWhatmakesyousohappy?Youhavenopowermoneyorfame.ThemansaidIhaveeverythingIwant.andIdon'twantwhatIcan'thave.SoI'mhappyandmysongcomesfromthehappinessinmyheart.CanyougiveyourshirttomeIneeditsaidthegeneral.Whatshirt?Idon'thaveanyshirts.answeredtheman.
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10分阅读下面的短文然后根据文章内容简要回答问题. StephenHawkingwasborninEnglandin1942.He'soneofthemostfamousscientistsonspaceandtimeintheworld.HeiscalledtheKingoftheUniverse. HestudiedmathandscienceatOxfordUniversitythenhebecameseriouslyillwhichmadehimunabletospeakorbreathewithoutthehelpofmachines. HewentontostudyatCambridgeUniversityaftergraduatingfromOxfordUniversity.In1965hegotaDoctor'sDegreeofphilosophy哲学.Becauseofhisseriousillnessitwasdifficultforhimtodrawdiagramsortowrite.Sohestartedtothinkinpictures.Withthisnewwayofthinkingheisrespectedbypeopleintheworld.Thenin1988hewrotehisfirstimportantbookABriefHistoryofTime.Itwassoldmorethan5.5millioncopiesinover33differentlanguages.HewasonceinvitedtoChinatogivelectures做演讲.Hisself﹣confidenceandhumouousconversationsimpressedusdeeply. 1WasHawkingborninEngland?nomorethan3words 2WhatdidHawkingstudyatOxfordUniversity?nomorethan3words 3WhendidHawkinggethisDoctor'sDegreeofphilosophy?nomorethan2words 4What'sthenameofHawking'sfirstimportantbook?nomorethan5word 5WherewasHawkingonceinvitedtogivelectures?1word
7.5分OnmyrecenttriptoSydneywithmyparentswevisitedtheWildlifePark. TheWildlifeParkhaslotsofdifferentanimalsandbirds.Somearenative当地的toAustraliaandcanonlybefoundthere.Thereareover600animalsthereincludingkangarooskoalasandcrocodiles鳄鱼.Theyarekeptintheirnaturalenvironment.IliketheWildlifeParkbetterthanazoowheremostoftheanimalsareincages笼子. Wefirstspentsometimewiththekangaroos.Wewereallowedtotouchandfeedthem.Itwasveryexcitingtobesoclosetothem.Therewerekoalastheretoo.Theylookedverycuddly令人想拥抱的.AlthoughwewerenotallowedtocarrythemIgottotakeaphotowithone. Itisawonderfulsouvenir纪念品ofmyholidayinSydney. TheWildlifeParkhasplentyoffreshwaterandsaltwatercrocodiles.Someofthemarereallybigandscary吓人的withhugeteeth!Ididnotwanttogettooclosetothem. Therewasalsoabirdshow.Thekeepersshowedusdifferentspecies种类theyhad.Isawanoldparrotwhichcouldtalk.Itmadeagreatimpressiononme. Ienjoyedthetripverymuch.Therewassomuchtosee. 1WhereistheWildlifePark? A.InSydney. B.InCairo. C.InAthens. D.InRome. 2Whatisawonderfulsouvenirofthewriter'sholiday? A.Aparrotthatcouldtalk. B.Achancetofeedakoala. C.Aphotowithakoala. D.Foodforthekangaroos. 3Whydidn'tthewriterwanttogetveryclosetothecrocodiles? A.Theylivedinwater. B.Thewriterwasafraidofthem. C.Thewriterdidnotwanttofeedthem. D.Thewriterdidnotlikethesmellofsaltwater. 4Whichofthefollowingistrue? A.ThekangaroosarekeptincagesintheWildlifePark. B.ThewritertravelledtotheWildlifeParkalone. C.Thewriterwenttoseekoalasfirst. D.Thewriterwatchedabirdshow. 5HowdidthewriterfeelaftervisitingtheWildlifePark? A.Excited. B.Unhappy. C.Bored. D.Hopeless.
2分汤姆跟他爸爸聊聊这个问题他就已经解决了问题的一半. Tom'shalfwayaproblemjustbytalkingtohisfatheraboutit!
随着生活水平的不断提升各种智能家居进入寻常百姓家．比如声控灯声控密码锁面部指纹密码锁等当我们声音的达到一定程度灯就会自动打开声控密码锁自动识别主人的声音来开锁因为不同人声音的是不同的．
春节期间河南多地市都进行查酒驾行动如图所示是酒精测试仪的原理图．图中酒精传感器的电阻Rm与酒精气体的浓度成反比R0是滑动变阻器电源电压恒定不变则下列说法中正确的是
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