首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
天然气已经被广泛利用，它是一种 （选填“可”或“不可”）再生能源．完全燃烧0.07m3的天然气释放的热量为 J若这些热量的30%被水吸收，可以使4Kg的水由20℃加热到 ℃．天燃气在燃烧...
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
天然气是一种清洁燃料我市部分出租车使用天然气代替柴油或汽油天然气属于选填可再生或不可再生能源它燃烧
西气东输工程已全线竣工输送的燃料为天然气这是利用了天然气___________较大的特性而且使用天然
天然气是一种清洁燃料现在许多出租车公交车已经改用天然气作燃料天然气是填可再生或不可再生能源人们利用4
天然气是一种清洁燃料我市部分出租车使用天然气代替柴油或汽油天然气属于能源它燃烧是产生的内能转化为车
天然气是一种清洁燃料我市部分出租车使用天然气来代替柴油或汽油天然气是选填可再生或不可再生能源它燃烧时
天然气是一种清洁燃料我市部分出租车使用天然气代替柴油或汽油天然气属于选填可再生或不可再生能源它燃烧时
2015·鄂州我市所有出租车已使用天然气来代替燃油.天然气是一种清洁燃料它是____________
页岩气是蕴藏在岩层中的天然气被誉为未来能源的明星1天然气属于____选填可或不可再生能源2天然气是比
2.00分天然气是一种清洁燃料我市部分出租车已经使用天然气代替汽油做燃料．天然气属于选填可再生或不可
天然气是一种清洁燃料沈阳市部分公交车和出租车开始使用天然气来代替柴抽或汽油.天然气是填可再生或不可再
天然气是一种清洁燃料我市的部分公交车和出租车开始使用天然气来代替柴油或汽油.天然气是________
我市部分公交车和出租车开始使用天然气来代替柴油或汽油原来汽油机的冲程将飞轮中的机械能转化为混合物的内
天然气是一种清洁燃料盐城市部分公交车和出租车开始使用天然气来代替柴油或汽油天然气是________填
我市部分公交车已使用天然气来代替燃油.天然气是一种清洁燃料它是选填可再生或不可再生能源.某公交车在一
2015•巴中天然气的使用大大改善了我们的生活环境天然气是选填可或不可再生能源.在一个标准大气压下把
我市所有出租车已使用天然气来代替燃油天然气是一种清洁燃料它是选填可再生或不可再生能源某出租车在一段时
天然气是一种清洁燃料南充市部分公交车和出租车使用天然气来代替柴油或汽油天然气填可再生’或不可再生能源
目前清远市很多家庭已用上天然气天然气与煤气相比其优点之一是天然气的热值选填较大或较小完全燃烧0.5m
天然气已经被广泛利用它是一种选填可或不可再生能源完全燃烧0.07m3天然气释放的热量为J若这些热量
我市大部分出租车已使用天然气来代替燃油．天然气是一种清洁燃料它是选填可再生或不可再生能源．某出租车
热门试题
更多
﹣TheteachersinthatschoolspeakeitherEnglishorFrenchoreven. ﹣That'ssocool! A.all B.both C.neither D.none
﹣Whatdidmothersay? ﹣SheaskedJim. A.what'swrongwithhim B.wouldhegotoschooltoday C.wherehisbagis D.whetherhecouldgoshoppingwithher
如图1一次函数y＝kx﹣6k≠0的图象与y轴交于点A与反比例函数y＝x＞0的图象交于点B4b． 1b＝k＝ 2点C是线段AB上一点过点C且平行于y轴的直线l交该反比例函数的图象于点D连接OCODBD若四边形OCBD的面积S四边形OCBD＝求点C的坐标 3将第2小题中的△OCD沿射线AB方向平移一定的距离后得到△O'C'D'若点O的对应点O'恰好落在该反比例函数图象上如图2求此时点D的对应点D'的坐标．
IfirstwenttoHarrowinthesummerterm.TheschoolhadthebiggestswimmingpoolIhadeverseen.Itwasagoodjoketocomeupbehindanakedboyandpushhimoutthepool.Imadequiteahabitofthiswithboysofmyownsizeor1ess. 0nedayIsawaboywrappedinatowelonthesideofthepoo1.HewasnobiggerthanIwassoIthoughthimafairgame.ComingsecretlybehindIpushedhiminholdingontohistowelsothatitwouldnotgetwet.Iwassurprisedtoseeanangryfacecomeoutfromthewaterandbeingofgreatstrengthmakingitswaybyfacestrokes猛力地划totheshore.Ifledbutdidn'tsucceed.Heovertookmepulledmehardandthrewmeintothedeepestpartofthepoo1.Isoonclimbedoutontheothersideandfoundmyselfsurroundedbyacrowdofyoungerboys.Doyouknowwhatyouhavedone?Theysaid.It'sAmeryheisinGradeSix.Heischampionatgym.Hehaswonhisfootballaward. Iwasfrightenedandfeltashamed.HowcouldItellhispositionwhenhewaswrappedinabathtowelandsosmall.Hedidn'tseempleasedatall.soIaddedinamostbrilliantword.Myfatherwhoisagreatmanisalsosmall.AtthishelaughedandaftersomegeneralwordsaboutmyrudebehaviorandhowIhadbetterbecarefulinthefutureexpressedallwasover. 61.ThewriterthoughtAmeryafairgamebecausetheboy. A.1ookedlikeananimal B.1ovedgames C.wasofsimilarsize D.wasgoodatsports 62.Thewriterfeltashamedbecause. A.Hewaslaughedatbyotherboys B.Ameryturnedouttobeinthesamegrade C.HepushedAmeryhardandhurthim D.Heplayedajokeonanoutstandingathlete 63.BysayingMyfatherwhoisagreatmanisalsosmallthewriter. A.triedtopleaseAmery B.challengedAmery C.wantedtomakeAmeryafraid D.thoughthisfatherisgreat 64.WhichofthefollowingisTRUE? A.ThewritercouldrunfasterthanAmery. B.Thewriterlikedplayingjokesonboysofallsizes. C.AmerywasastudentinGradeFour. D.Ameryforgavethewriterforhisrudebehavior. 65.Thebesttitleofthearticleis. A.ASwimmingExperience B.AFairGame C.AnAccident D.BeCarefulintheFuture
已知抛物线y＝ax2+bx+c经过A﹣10B30C03三点直线l是抛物线的对称轴． 1求抛物线的函数关系式 2设点P是直线l上的一个动点当△PAC的周长最小时求点P的坐标 3在直线l上是否存在点M使△MAC为等腰三角形若存在直接写出所有符合条件的点M的坐标若不存在请说明理由．
某水库堤坝的横断面如图所示迎水坡AB的坡度是1堤坝高BC＝50m则AB＝m．
﹣CanIdothehomeworktomorrowinsteadmom? ﹣Noway.Allyourhomeworktoday. A.mustfinish B.needfinish C.mustbefinished D.maybefinished
如图在矩形ABCD中将∠ABC绕点A按逆时针方向旋转一定角度后BC的对应边B'C'交CD边于点G．连接BB'CC'．若AD＝7CG＝4AB'＝B'G则＝结果保留根号．
如图△ABC∠B＞∠A． 1在边AC上用尺规作图作出点D使∠ADB+2∠A＝180°保留作图痕迹 2在1的情况下连接BD若CB＝CD∠A＝35°求∠C的度数．
﹣BobTinalikesdocumentaries. ﹣Welltheyprefermovieswithfunnyconversations. A.Notonlybutalso B.Eitheror C.Neithernor D.Bothand
1解方程 2求不等式组的解集
Theseproblemswillappearinyourlifewhatyoucandoistofacethemandsolvethem. A.but B.till C.or D.and
若反比例函数的图象经过第一三象限则k的取值范围是．
﹣couldhehelpme? ﹣I'msurehe. A.could B.would C.did D.had
﹣BecauseofillnessIdidn'tgototheconcertyesterday. ﹣!Noconcertismorewonderfulthanit. A.Mypleasure B.Whatapity C.Badluck D.Itdoesn'tmatter
IboughtusefuldictionaryforJudy11﹣year﹣oldgirl.A.athe B.aan C.thea D.the/
﹣﹣﹣Whoisthatlady? ﹣﹣﹣She'sMissGreen.Sheusmusicandsheissogood. A.taught B.teaches C.willteach D.isteaching
你认为做兼职工作会妨碍我的学习吗? Doyouthinkdoingpart﹣timejobscan?get
Nowadaysmoreandmoreparentshavemovedtocitiestomakealiving.Asaresulttheirchildrenhavebecomehome﹣leftchildrenandtheyneedmorecare.ThesurveybelowisfromvillagesinSanningFujianProvince200childrentherewerechosentoanswerthequestions. 51.Thehome﹣leftchildrenmeansthechildren A.wholivewithparents B.whoseparentsmakelivinginthecity. C.whomovetocity. D.whomakelivinginthecity. 52.Aboutaquarterofthehome﹣leftchildrenrelaxthemselvesby. A.havingsports B.talkingwithfriends C.doingsomereading D.chattingonline 53.Howmanyhome﹣leftchildrenthinkschoolisthehappiestplaceaccordingtotheform? A.38% B.52 C.48% D.104 54.Whatdothemostofhome﹣leftchildrenthinkoftheirparents'workinthecity? A.Theythinkit'sgood. B.Theyliketheirparents'work. C.Theythinkit'sbad. D.Theydon'tcarefortheirparents'work. 55.Fromtheformweknowthat. A.home﹣leftchildrencangetmoremoney B.home﹣leftchildrenwanttoliveinbigcities C.mosthome﹣leftchildrenprefertolivewiththeirparents D.twothousandchildrenwerechosentoanswerthequestionsinthesurvey
﹣Dadit'ssuchalongwayfromourhometoTianyiSquare! ﹣Youmeanit'stotakeataxi? A.popular B.necessary C.possible D.important
﹣Jennyhowareyoufeelingtoday? ﹣MuchMom.IthinkIcangotoschooltoday. A.good B.better C.best D.well
Havingleftthetownthegirlstoppedthecaratthelandingneartheentranceofthebay海湾.Shesteppedintotheboatandrowedoutsilently.Thetidewasrushingtotheentranceandbeyondtothewildopensea.Shehadtorowacrossthebaytoreach41side.Thewavesstruckagainstthesideoftheboat42andunevenitbecame43difficulttorow.Ifshe44foramomentthetidewouldpushtheboatbacktowardsthe45. Shewasn'tevenhalfwaybutshewasalreadytiredandherhands46frompullingontheroughwoodenoars船桨.I'mnevergoingto47itshethought.Sherestedtheoarsonherkneesand48herheadhelplesslythenlookedupasshe49theboatshift晃动againstthetide. Theeastwindwhichhadswung旋转aroundfromthesouth﹣westcametoherhelpandpushedtheboattowardsthemountains.Itwasgoingtobe50.Herhandsweren'tsopainful.Herchestdidn'tfeelasifitwasabouttoburst51. Thelightsofthetownbecame52.Oneoftheoarsbangedagainstthesideoftheboatandsheseizeditwithastart.Hadshebeenasleeporjust53?Shelookedoverhershoulder.Shewasalmostonthebeach.Thegirlgaveonelast54ontheoarstogroundtheboatandthenlaybackagainsttheseat.Shelistenedtothewaves55andknewshehadcomehome.Faracrossthemoonlitbaythelightswerenomorethanasparklingchain. 41.A.another B.other C.either D.theother 42.A.deep B.calm C.gentle D.rough 43.A.more B.less C.as D.least 44.A.slept B.continued C.rested D.rowed 45.A.home B.mountains C.south﹣west D.entrance 46.A.hurt B.ruined C.troubled D.broke 47.A.get B.make C.keep D.take 48.A.mined B.dropped C.cocked D.raised 49.A.saw B.made C.heard D.felt 50.A.difficult B.serious C.allright D.certainenough 51.A.anymore B.stillmore C.nomore D.oncemore 52.A.brighter B.bigger C.closer D.smaller 53.A.dreaming B.guessing C.inventing D.expecting 54.A.blow B.hit C.pull D.strike 55.A.anxiously B.happily C.sadly D.carefully
﹣﹣﹣Ihadapleasantwintervacationwithmyfamilyinthenorth. ﹣﹣﹣. A.Ohthat'sniceofyou B.Enjoyyourself C.Welldone D.Gladtohearthat
IreallyenjoyedyourspeechthereweresomepartsIdidn'tquiteunderstand. A.because B.for C.until D.though
为落实“垃圾分类”环卫部门要求垃圾要按ABC三类分别装袋投放其中A类指废电池过期药品等有毒垃圾B类指剩余食品等厨余垃圾C类指塑料废纸等可回收垃圾．甲投放了一袋垃圾乙投放了两袋垃圾这两袋垃圾不同类． 1直接写出甲投放的垃圾恰好是A类的概率 2求乙投放的垃圾恰有一袋与甲投放的垃圾是同类的概率．
71.Itisclearthattheboyisforthetoy.Hetellshismotherthathewantstohaveit. 72.ThesuccessfulmandecidedtoanewHopeSchoolforpoorchildren. 73.Nomatterwhoyouareorhowoldyouarenowyourparentsmustbeofyouduringyourlife. 74.Youwillbehappyifyouarealwaystrytoothers. 75.WearesureMikewilltheplaygroundbecauseitishisfavoritematch.
Idon'tfeelverywellJack.I'mafraidyoumeyourcold. A.give B.hadgiven C.havegiven D.wouldgive
﹣Thereanumberofbooksinthelibrary. ﹣Yes.Andthenumberofthemincreasing. A.areis B.haveare C.hasis D.isare
我国第一艘航母“辽宁舰”最大排水量为67500吨用科学记数法表示67500其结果应是．
WhenIwastenmymotherworkedalldaysoIhadtotakecareofmyyoungerbrother.AtthattimemylittlebrotherwasaboutfouryearsoldandhemissedMumallthetime. OnedayafterIhadgivenhimhisdinnerhestartedcryingforMum.HewassoyoungandreallyneededMum.SoIdressedhimcarriedhimonmybackandwalkedout.Soonhefellasleep.AbouthalfanhourlaterIfoundthathehadlostashoewhilesleeping.Itookhimoffmybackandputhimdown.Iknewweneededtofindthatshoeforourmothercouldn'taffordnewshoes.WehadtogobacktofinditsoItoldmybrothertowaitrightthere.AmanhearditandstoppedmejustbeforeIwalkedoff.HeaskedmeYouareleavingyourbrotherheretofindtheshoe?Whatwouldyoudoifheisnotherewhenyoureturn?Ididnotknowhowtoanswerthatquestion.HecontinuedIt'sOKifyoucan'tfindtheshoebutitisnotOKtoloseyourbrother.ThenhesentustoMum'sworkplacebytaxi. InmywholelifeIhavedependedonthekindnessofmanystrangers.IfeelregretfulthatIcannotfindthemandsayThankyou.Idonotevenrememberwhattheman'sfacelookedlikebuthetaughtmealesson﹣peoplearemoreimportantthanthings. 61.Whydidtheyoungerbrothercryforhismother? A.Becausehewashungry. B.Becausehemissedhismother. C.Becausehewantedtosleep. D.Becausehewantedtoplayoutside. 62.Whatdidthewriterwanttodowhenhefindhisbrotherlostashoe? A.Buyanewone. B.Gobacktofindit. C.Askhismother. D.Donothing. 63.Whatdoestheunderlinedwordregretfulinthelastparagraphmean? A.Sorry. B.Happy. C.Embarrassed. D.Mad. 64.Whatdidthemanmeanbysayingtheunderlinewordsinparagraph2? A.Youmustfindtheshoe. B.Theshoeisasimportantasyourbrother. C.Theshoeismoreimportantthanyourbrother. D.Peoplearemoreimportantthanthings. 65.Whatdoyouthinkofthemanaccordingtothepassage? A.Impolite. B.Funny. C.Kind. D.Stupid.
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
湘公网安备 43130202000226号