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双能源（汽油和天然气）汽车以其经济、污染小等优点倍受人们青睐．（已知汽油的热值为3.2×107J/L、天然气的热值为7.2×107J/m3） （1）内燃机是汽车的“心脏”，它是把 能转化为 ...
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双能源汽油和天然气汽车以其经济污染小等优点备受人们的青睐已知天然气的热值是7×107J/m3则气缸
我市出租车多为双能源汽油和天然气汽车这种车以其经济污染小等优点备受人们青睐． 1汽车内燃机做功时
汽车上的内燃机工作时提供动力的是图所示的冲程．双能源汽油和天然气汽车以其经济污染小等优点倍受人们青
以CNG压缩天然气为能源的汽车比以汽油为能源的汽车动力强劲.
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________
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
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐.已知汽油的热值为3.2×107J/L天然气的
双燃汽车以天然气或汽油做为燃料以下说法正确的是
以天然气为燃料，汽车发动机的效率可以达到100%
汽油与天然气相比，燃烧时汽油对环境的污染较小
燃料的热值越大，燃烧时放出的热量越多
在压缩冲程中，燃料混合物的温度升高，内能增大
双能源汽油和天然气汽车以其经济污染小等优点备受人们青睐已知天然气的热值是7×107J/m3则气缸内完
我市出租车多为双能源汽油和天然气汽车这种车以其经济污染小等优点备受人们青睐． 1汽车内燃机做功时
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．如图所示是汽车的冲程该冲程中发生的能量转化
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．已知汽油的热值为3.2×107J/L天然气
随着汽车保有量的增加汽车造成的污染日益严重加强环保意识已倍受人们的关注
汽油
机油
尾气排放
齿轮油
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．已知汽油的热值为3.2×107J/L天然气的
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．已知汽油的热值为3.2×107J/L天然气
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．已知汽油的热值为4.6×107J/kg天然
双能源汽油和天然气汽车以其经济污染小等优点备受人们青睐已知汽油的热值为3.2×107J/L天然气的
双能源汽油和天然气汽车以其经济污染小等优点备受人们的青睐已知天然气的热值是7×107J/m3则气缸
双能源汽油和天然气汽车以其经济污染小等优点倍受人们青睐．已知汽油的热值为3.2×107J/L天然气
2015·广安双能源汽油和天然气汽车以其经济污染小等优点备受人们青睐已知天然气的热值为7×107J/
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BANG!thedoorcausedareverberation回声.ItwasjuststandingtherewithfatherstandingononesideandIontheotherside. Wewerebothingreatanger.Neversetfootinthishouseagain!stormedfather.WithtearswellingupinmyeyesIrushedoutoftheflatandranalongthestreet. Thestreetlightswereshiningcausingrathersad﹣feeling.Iwanderedaimlessly. Ayoungfatherwhoheldachildinhisarmswalkedpastme.IfeltasifIsawmychildhoodfromanotherspacehappyandcarefree. Butnow…Idon'tknowwhetheritisbecauseIhavegrownuporbecausedadisgettingold.Wedifferinourwaysofthinking.Healwaysputhisopinionsandcodesofbehavioronme.WheneverIdosomethingwrongheneveradmitsit.Wearejustliketwopeoplecomingfromtwodifferentworlds.Itfeelslikethereisanirondoorbetweenusthatcanneverbeopened. Iwanderedthestreetswithoutadestinationinmind.Myheartwasfrozenonthishotsummernight.AsIwalkedontherewerefewerandfewerpeopleonthestreetsuntilIhadonlythestreetlightstokeepmecompany.WhenIfinallyreachedthehigh﹣riseapartmentblockinwhichIlivedIsawthatthelightwasstillon. IthoughttomyselfIsfatherwaitingformeorishestillangrywithme? Infactitwasnothing.Perhapsdadwasthrowingawaysomeofhisoldstamps.Perhapshethoughttheywereuseless.IneverhadthecouragetotellhimthatIlikedcollectingstamps.Ican'tstandhisoutrageous蛮横的wordsIcan'tthrowyouawayletalonetheseoldpapers? Allthelightswereoffexceptfather's. Dadwasalwayslikethis.Maybehedidn'tknowhowtoexpresshimself.Aftershoutingatmehenevershowedanymercyoranymomentsofregret.Afteranargumenthehasthehabitofcreeping蹑手蹑脚upinmysleepandthentucking掖盖meunderneaththecovers. Thiswashowhealwayswas.Hehasbeenaleaderforsolongthattellingeveryoneelsewhattodohasbecomehissecondnature. Thelightwasstillon.AmIwrong?Iwhisperedmaybe…WiththekeyinhandIwasasnervousasIhadeverbeen.AtlastIdecidedtoopenthedoor.AssoonasIopenedthedoortearsrandownmycheeks.IsuddenlyrealizedthattheirondoorthatIhadimaginedbetweenusdidnotexistatall.Love﹣itsecondtonone. 1Decidewhichisthebestorderofthefollowingaccordingtowhathappenedinthepassage. a.Iopenedthedoorandenteredthehouse. b.SadlyIranoutintothestreet. c.IreachedtheplacewhereIlivedandsawmyhousestillbrightlylit. d.Ithoughtofmyfather'skindnesstowardsme. e.Iwalkedaboutinthestreetwithoutanyaim. A.bedca B.beacd C.becad D.becda 2Whydoyouthinkthefatheroftenshoutsathisson? A.perhapsthefatherisgettingolderandolder. B.perhapsthesonhasalreadygrownup. C.perhapstheyneveragreewitheachother. D.perhapsthefatherhasgotusedtodoingthat. 3Whatconclusioncanyoucometoafterreadingthepassage? A.Thefathertreatshissoninanunfairway. B.Thefatherisactuallykindtohisson. C.Thefatherisneitherkindnorcrueltohisson. D.Thefatherisalwaysfindingfaultwithhisson.
他犯这个错误纯属偶然. Hemadethismistake.
HowtoBecomeCleverer Onceaboycametoaskafishermanhowtobecomeclevererbecausehismotheralwayscalledhimfoolishboy. That'seasyansweredthefisherman.Iknowonewaytomakeyoubecomecleverer. Really? Ofcourse.Itissaidafishheadisgoodforbrain.Ifyoueatoneyou'llbecomeclevererindeed.Payonlythreepoundsforonefishhead.Theboypaidhimthreepoundsandthefishermancutoffafishheadandhandedittohim. Arawfishheadisnotgood﹣notevenforahungryboytoeatbuttheboyateitupintwogulps. Doyoufeelanything?askedthefisherman. Notinmyheadsaidtheboy. Theboylayonthegroundandthought.Onewholefishcostsonlytwopounds.Ihadpaidhimthreepoundsforthefishhead.Whycouldn'tIhavethewholefishforsoupaheadforbrainandonepoundleftover?Hejumpedupandshoutedatthefisherman.Youthief!Youarefoolingme!ThefishermanlaughedsayingThefishheadworksnowyousee. 1Theboyateuptherawfishheadonlyintwogulpsbecausehe. A.enjoyit B.wantedtotasteit C.tookitasagoodmedicine D.wasafoolishboy 2Theboycametothefishermaninorderto. A.buyafishhead B.askthefishermanaquestion C.buyawholefish D.AandC 3Theboypaidthreepounds.Heshouldhavehad. A.awholefish B.afishheadandonepoundback C.awholefishandonepoundback D.awholefishafishheadandonepoundback 4helpedtheboybecomecleverer. A.Agoodmeal B.Therawfishhead C.Nothing D.Whathadhappened
Iopenedthepackagejusttosatisfymycurious.
NoticeforTouriststoBeijingExpo2019 The2019BeijingHorticulturalExpo园博会fromApril29toOctober7isanopportunityforinternationaldiscoverywhereculturalelementsofdifferentplacesinChinaareondisplayaswellasgardensandbuildingsabouteachcountry'swonderfulcultureandhistory.Hereisanoticeforwhoeverplanstocome. QuickEntrybyShowingIDCards TomakesureyourquickandorderlyentryintotheExpoSite.pleasewaitinlinesandgetyourIDcardreadyforpre﹣checkticketcheckandsecurityinspectionbeforeentering.Duringtheticketcheckthosewhoholddiscountedticketsmustprovidethematerialsaboutdiscount. SafeTourtotheExpo Consideringyourpersonalsafetypleasedon'ttakeanythingthatmaydisturbothervisitorsortheorderoftheExpoSitesuchaspetskitesandspeakers.Exceptforwheelchairsfortheelderlyandthedisabledandstrollers婴儿推车forchildrennovehicles机动车辆areallowedtoentertheExpoSite TakingActiontoProtecttheEnvironment Tocreateagreenbeautifulenvironmentforyourselfandotherspleasefollowthetravelrules.protectpublicbuildingskeepenvironmentcleanandcareplantsgrowingintheExpoSite.Behaviorssuchasclimbingordestroyingstructuresandexhibitsarenotpermitted. OrderlyTravelbyLimitingtheNumber ForthesafetyofvisitorssometimesstaffmembersmaylimitthenumberoftouristsintosomegardensandbuildingsintheeventofovercrowdingThankyouforyourunderstanding. EnjoyingServiceandHavingFun TouristservicecentersintheExpoSiteprovideservicesincludinginformationinquiry查询storageofpersonalbelongingswheelchairandstrollerrentinglostfoundserviceandsearchformissingpersons.WehopeyouhaveagoodtimeattheExpo. Youcancalltheservicehotlineat86﹣10﹣86484017forinquirysuggestionorcomplaint.Thanksforyourattention. 1WhichofthefollowingisallowedtoentertheExpoSite? A.Wheelchairs. B.Dogs. C.Trucks. D.Cars. 2WhichserviceisNOTprovidedbythetouristservicecentersintheExpoSite? A.Strollerrenting. B.Informationinquiry. C.Sellingthesouvenirs. D.Lostfoundservice. 3Whatcanwelearnfromthepassage? A.Visitorscanbuyticketsonline. B.Thenumberofthetouristsisnotlimited C.Whoeverclimbsthestructurewillgetfined. D.VisitorsshouldshowIDcardbeforeentering
毕竟锻炼15分钟比不锻炼好. 15minutesofexerciseisbetterthannothing.
Tobeagoodteacheryouneedsomeofthegiftsofagoodactoryoumustbeableto1theattentionandinterestofyourstudentsyoumustbea2speakerwithagoodstrongpleasingvoicewhichisfullyunderyourcontrolandyoumustbeableto3whatyouareteachinginordertomakeitsmeaningclear. Watchagoodteacherandyouwillseethathedoesnotsitstill4hisclasshestandsthewholetimeheisteachinghewalksaboutusinghis5handsandfingerstohelphiminhisexplanationandhisfacetoexpressfeelings.Listentohimandyouwill6theloudnessthequalityandthemusicalnoteofhisvoicealways7accordingtowhatheis8about.Thefactthatagoodteacherhassomeofthegiftsofagoodactordoesn't9thathewillindeedbeabletoact10onthestageforthereareveryimportant11betweentheteacher'sworkandtheactor's.The12hastospeakwordswhichhehaslearntbyhearthehastorepeatexactlythe13wordseachtimeheplaysacertainpart14hismovementsandthewaysinwhichheuseshisvoiceareusually15beforehand.事先预先Whathehastodoistomakeallthesecarefullylearntwordsandactionsseemnaturalonthestage. Agoodteacher16inquiteadifferentway.Hisstudentstakeanactivepartinhis17theyaskandanswerquestionstheyobeyordersandiftheydon't18somethingtheysaysorry.Theteacherthereforehastosuithisacttotheneedsofhisstudentswhichisinhisclass.Hecan'tlearnhispartbyheartbutmust19itashegoesalong. Ihaveknownmanyteacherswhowerefine20inclassbutunabletotakepartinastage﹣playbecausetheirbrainswouldn'tkeepdisciplinetheycouldnotkeepstrictlytowhatanotherhadwritten. 1A.play B.hold C.give D.know 2A.clear B.slow C.quick D.loud 3A.act B.talk C.say D.report 4A.for B.before C.behind D.arms 5A.tongues B.word C.legs D.arms 6A.hear B.see C.think D.guess 7A.making B.changing C.expressing D.giving 8A.talking B.thinking C.hearing D.saying 9A.tell B.express C.show D.mean 10A.carefully B.badly C.well D.actively 11A.things B.differences C.points D.similarities 12A.actor B.teacher C.audience D.student 13A.different B.same C.above D.following 14A.just B.never C.ever D.even 15A.read B.known C.fixed D.written 16A.talks B.works C.teaches D.thinks 17A.groups B.party C.play D.class 18A.give B.place C.obey D.hear 19A.create B.discover C.teach D.continue 20A.speakers B.watchers C.actors D.listeners
Everyfestivalhasitsownmeaning.LaborDay.forexamplecelebratesthevalueofhardwork.Thanksgivingisaboutshowingthankstopeoplearoundyou.AndValentines'DayisatimewhenyouexpresslovetoyourlovedonesButsomehowitnowseemsthatallfestivalswejustaboutonething﹣shopping.Andthatcanbeabigproblem. Inawayover﹣consumption过度消费isthemotherofallourenvironmentalproblems.KalleLasnoncetoldCNN.LasnistheorganizerofBuyNothingDayadaysetupinCanadain1992tofightagainstunhealthyspendinghabitsandhasnowbecomeaninternationalevent.It'shelonthedaywhichisknownasBlackFridny﹣afamousshoppingdayintheUSandCanada. Youcanseetheirony讽刺here. EventhoughtheideaofBuyNothingDaywasbroughtup26yearsagoweseemtoneeditnowmorethaneverIt'sjustasLasnsaidallthedifferentkindsofpollutioninourlivestodaybadairqualitythereductionofforestareaendangeredanimalspeciesandplasticbagsfoundintheocean﹣seemtobethesamecauseover﹣consumption. ThelatestexampleistheSingles'DayshoppingcrazeofNov1l.whichsawanewsalesrecordButasNieLiacampaigneratGreenpeacetoldReuters.Record﹣settingover﹣consumptionmeansrecord﹣settingwaste.AnditwasreportedthatlastyeartheSingles'Daypackagesleftmorethan160000tonsofwasteincludingplasticandcardboard.TheCollinsdictionaryhasalsojustnamedsingle﹣useitsWordoftheYearpointingouttheproblemthatthere'retoomanythingswetowoutafteronlyusingthemonce. SoBuyNothingDaymightonlybehereforonedayayearbutit'snotjusttoremindustotheabreakfromshoppingonthatdaybuttochangeourlifestylecompletelyfocusingonfunwithpeoplewecareaboutratherthanwastingmoneyonuselessthings. 1What'stheauthorspurposeofwritingthefirstparagraph? A.Toexpressthepeople'sloveforallfestivals. B.Totalkaboutthemeaningofthefestivals. C.Toappreciatethevalueofthefestivals. D.Tobringoutthetopicofthepassage. 2WhydidKalleLasnorganizeBuyNothingDay? A.Tohelppeoplesavemoney. B.Tocutthecostfordailylife. C.Topreventover﹣consumption. D.Tosetupanewsalesrecord. 3What'sNieLi'sattitudetowardstheshoppingcraze? A.Opposed反对的. B.Supportive. C.Unknown. D.Neutral中立的. 4Whatcanbeasuitabletitleforthepassage? A.CreatingaNewLifestyle. B.BuyNothingDay. C.FestivalsAroundtheWorld. D.AChangeinPeople'sLife.
此题要求改正所给短文中的错误.如有错误则按下列情况改正 删除此行多一个词把多余的词用斜线\划掉 增加此行缺一个词在缺词处加一个漏字符号Λ 修改此行错一个词在错的词下划一横线并在该行下边写出改正后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多改者从11处起不计分 MyinteresthadbeeninbooksinsteadofinfoodsinceIwenttohighschool.InthepastIwasrealinterestedinallkindsoffood.InsummerIlikedtobuyicecreamandcolddrinksandinwinterIliketobuysweetsandsomeanotherfood.WheneverIwentforawalkwithmyparentIwouldaskthembuymesomething.HoweverafterIwenttohighschoolIfoundIwasputtingonmyweight.SoIgaveupthehabitofeatingandbeginningtospendmoneyinallkindsofbooksandmyparentsarealwayscomplainingthatIamamoneyspender!
Goodtimemanagementallowsyoutocompletemoreinashorterperiodoftimelowerstheamountofpressure压力andleadstocareersuccess.Hereissomeadviceforyou. Makeaplan Listallthetasksthatareimportant1Nexthighlightthetasksonyourlisttoshowtheirurgency紧急.Thenfocusonlyononeitematatimeandenjoythepleasureofcrossingoffthecompleteditems. Stayawayfromdistractions分散注意力的事 Thoughthee﹣mailandsocialmediaareimportanttoyoureverydaycommunicationtheyrequiremuchofyourattention.2 Learntosayno 3.Althoughsayingnotosomeoneolderthanyouismuchmoredifficultit'simportanttobehonestandtolookafteryourhealth.Sharingyourlistwithhim/herwillhelptorefusetheadditionalwork. Giveyourselfabreak Don'tbehardonyourself.Youwillactuallyperformbetterifyoutakebreak4.Theworldwillnotfalldownifyouputoffopeningsomee﹣mails. Improveyourplan 5Remakeyourplanandtakeoffthedistractingtaskstofocusonasolution.Dealingwithproblemsinthefaceoftimepressurewillbeoneofyourmostvaluableexperiencesinyourfutureemployment. A.Trynottodomoreworkifpossible B.Takingbreaksisgoodforyourbrains C.Behonestwithyourselfaswellasothers D.Avoidlookingatyourworke﹣mailswhennotworking E.Writethemdownanddon'tjustrelyonyourmemory F.Reviewyourworkplanregularlywhenthingsarenotgoingwell G.Shutthemoffasyouworkonataskrequiringyourfullattention
Smokingisharmtoourhealth.
非正式会谈将于今天举行. Informaldiscussionswilltoday.
Chemicalfertilizerskillthehelpful细菌andpestsaswellastheharmfulones.
JaneGoodalhadwantedtoworkwithanimalsintheirownenvironmentsinceshewasachild.Butthiswas1benoteasy.WhenshefirstarrivedinGombein1960itwas2usualforawomantoliveintheforest.Howeverwith3helpofhermothershebeganherworkwiththechimps4changedthewaythatpeoplethoughtaboutchimps. Spendingyears5observetheirdailyactivitiesJanediscoveredthatchimpshuntandeatmeatagainstwhatpeopleused6think.Shealsodiscoveredhowchimpscommunicatewitheachother.WorkingwiththechimpsforyearsJanehasarguedthatwildanimalsshould7leaveinthewildandnotusedforentertainmentoradvertisement.Shehasachievedeverythingshewantedtodobutmore9importanthasgottheworldtounderstandandrespectthe10lifeofchimps.
Ifyouarefeelingenergywecouldgooutforarun.
Hehasnoreasontochangehisbehave.
那个衣衫楼的男子过去是个有钱人. Themandressedusedtobearichman.
Somefestivalsareheldtohonorthedeadortosatisfythe祖先.
既然已经答应了你们最好信守诺言. Sinceyouhavepromisedyou'dbetteryour.
Childrenshouldnotbeallowedtowatch暴力的movies.
Whatwillhappentoyouifyoudon'teata平衡的diet?
HowtoSaveMoneyEffectively Manyofuswouldliketohavemoneyinsavings.Franklyspeakingadollarspentnowseemstoprovidealotmorepleasurethanadollarsave.1Herearefourthingsthatcouldworkforyou. Savelittleandoften Doyoutellyourselfthatit'snotworthsavingifyoudon'thaveatleast100toputintoasavingsaccount?Thisisabitliketellingyourselfthatit'snotworthgettingsomeexerciseunlessyouhaveawholedaycleartojog.Howaboutsavingjustadollarortwoeachday?Mostofuscancutacoupleofdollarsofunnecessaryspendingeveryday.2.Butoverthecourseofayearyou'llhavesavedseveralhundreddollars. Readpersonalfinanceblogs. IfindthatIgetencouragedtosaveandtoadoptgoodfinancialhabitsingeneralbyreadingaboutothers'tipsandsuccess.OneofmymustreadblogsforthisisTheSimpleDollar.Trentwritesverywellandcoverstopicsin﹣depthwithoutmakingthemtoocomplicated.Healsohasanupbeatandmotivatingattitudetowardssavingsandfinances. Keepasavingslog. Somethingthat'softenrecommendedforthosesortingouttheirfinancesistokeepaspendinglog.Atwistonthisthoughistokeepasavingslog.Eachtimeyoumakeadepositintoyoursavingsaccount.writedownthedateandhowmuchyousaved.3Youcoldalsouseyourcalendarordiaryforthis. 4 Havingaverycleargoalinmindcanmakeitmucheasiertosaveup.Forexampleifyouknowthatyouneed1000forthatnewcomputerorifyou'redeterminedtoreach3000inyouremergencyfund.5.Itcanreallykeepyoumotivated. A.Focusontheendgoal B.Savetowardsaspecificgoal C.Thiscanbedifficultattheverybeginning. D.It'satinyamountthatyoucand&itfromtimetotime. E.Thiscanbeagreatwaytomotivateyourselftosavemore. F.It'satinyamountthatyoullbarelynoticeonadailybasis.. G.Howcanyoumakesureyou'remotivatedenoughtoputmoneyasideonaregularbasis?
Heistrueacleverboy.
他们中许多人都有骑野马的天赋. Manyofthemhavearidingwildhorses.
Thebeautifulbeachesaretheisland'smainattract.
I'lltryandgiveyouaquickexplainofhowthemachineworks.
Thatjournalist谈到tohisexperienceinBritainduringWorldWarII.
I'msosorryIdo.apology
大家既已到齐我们就开始上课吧. everyoneisherewecanbeginourlesson.
帮助别人意味着帮助你自己. Tohelpothersyourself.
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