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图1是“比较不同物质吸热的情况”的实验装置．两个相同的烧杯中分别装有质量相等的水和食用油． （1）选用两个相同规格的电加热器加热，目的是使水和食用油在相等时间内 ． （2）实验过程中温度计...
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如图甲所示某同学在两只相同的烧杯里装入水食用油比较他们的吸热情况1为了便于比较实验中要求在两烧杯中放
如图所示甲乙丙三图中的装置完全相同燃料的质量都是10g烧杯内的液体质量和初温也相同.1比较不同燃料的
如图某同学在两只相同的烧杯里装入水和食用油比较它们吸热的情况1为了便于比较实验中要求在两烧杯中放入的
如图为比较不同物质吸热情况的实验装置1在两个烧杯内分别加入相同的水和食用油使它们升高相同的温度通过比
在比较不同物质吸热能力的实验中将甲乙两种不同的液体分别放入两个相同的烧杯内用相同的电加热器同时加热.
如图甲在探究不同物质吸热能力的实验中1在两个相同的烧杯中加入初温相同相同的水和煤油实验时选用两个相同
用如图实验装置可以完成比较不同物质吸热的情况的实验两个电加热器要相同且水和煤油的质量要相等实验通过比
如图甲所示某同学在两只相同的烧杯里装入水和食用油比较它们吸热的情况1为了便于比较实验中要求在两烧杯中
⑴为了比较水和食用油的吸热能力小明用两个相同的装置做了如图甲所示的实验①在两个相同的烧杯中应加入初温
如图所示为研究物质比热容的实验装置两个相同的烧杯中分别盛有质量相等初温相同的水和煤油用两个相同的电加
⑴为了比较水和食用油的吸热能力小明用两个相同的装置做了如图甲所示的实验①在两个相同的烧杯中应加入初温
在比较不同物质吸热的情况的实验中所用实验装置如图甲所示1在两个相同的烧杯中加入初温相同▲相同的水和煤
⑴为了比较水和食用油的吸热能力小明用两个相同的装置做了如图甲所示的实验①在两个相同的烧杯中应加入初温
用如图实验装置可以完成比较不同物质吸热的情况的实验两个电加热器要相同且水和煤油的质量要相等实验通过比
如图18所示甲乙丙三图中的装置完全相同燃料的质量都是10g烧杯内的液体质量和初温也相同.1比较不同燃
在比较不同物质吸热的情况实验时实验室准备了两个规格相同的电加热器两支温度计烧杯秒表适量的水和食用油
⑴为了比较水和食用油的吸热能力小明用两个相同的装置做了如图甲所示的实验①在两个相同的烧杯中应加入初温
如图甲所示某同学在两只相同的烧杯里装入水和食用油比较它们吸热的情况1为了便于比较实验中要求在两烧杯中
如图甲在探究不同物质吸热能力的实验中1在两个相同的烧杯中加入初温相同相同的水和煤油实验时选用两个相同
比较不同物质吸热的情况的实验装置如图6所示相同的烧杯内分别装有等质量的不同种类液体现用相同的两个电加
实验中两种液体的初温必须相同
通电相同的时间，升温较高的那种液体吸热较多
通电相同的时间，升温较高的那种液体比热容较大
液体升高相同的温度，所需通电时间越长的液体，比热容越大
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他可不能让雍慧哄骗人们却不受到惩罚.HecouldnothaveYongHuitellingpeoplelies.
Almost10yearshavepassedsinceChinaappliedanationwidebanontheuseofplasticbagsforfreeandbannedtheproductionsaleanduseofenvironmentalunfriendlybags. TheJune1st2008banhasfailedtoremoveplasticbagsthinnerthan0.025millimetersfromthemarketwhicharestillgivenawayfreeatroadsidestallsandsmallshops.TheyarejustasmallpartofChina'splasticbagproblem.Largesupermarketsanddepartmentstoreschargeforthickerplasticbagsbutthefeeof0.2yuanor0.3yuanistoolowtostopcustomersfromusingthem.Therapiddevelopmentofonlineshoppingandfooddeliveryservicesmeansthecountryisundergreatpressuretodealwithitsincreasingplasticwaste. Thegovernmentrecentlypromisedtoexplorenewwaystoreducetheplasticwasteespeciallytheonlinesellersandtakeoutfoodwastepackaging.Thelessonsofthepastneedtobemadefulluseofforanynewmeasurestobeeffective. Thebanonultrathinplasticbagshasfailedbecauseoflax不严格的lawperformance.Alsomany oftheso﹣calledbiodegradable可生物降解的plasticbagsarenotreallybiodegradableandcosttwotothreetimesasanon﹣biodegradablebagwhichpreventscost﹣sensitivebusinessesfromusingthem. Ithasbeenprojectedthatby2050theamountofplasticintheoceanswilloutweighallthefish.Anditisworthbearinginmindthatasitbreaksupmicroplasticparticlescanenterthefoodchain.Itisnotonlybusinessesthatneedtochangetheirbehavioreffortsmustbemadetoraiseconsumers'awarenessoftheconsequencesofusingplasticbags. 1Whatdoweknowaboutthebanmentionedinthispassage? A.Itstillworkswellnowadays. B.Theeffectofitremainstobeseen. C.Itstopstheproductionofplasticbags. D.Ithascausedgreatdamagetotheoceans. 2Accordingtotheauthor'sopinionshouldberesponsibleforthehealthyenvironment. A.thegovernment B.businesses C.consumers D.everyone 3Whatmadetheplasticwasteproblemmoreseriousaccordingly? A.Poorlawperformance. B.Productionofthenewbags. C.Onlineshoppingandfooddelivery. D.Communityawareness. 4Whichofthefollowingmightbethebesttitleforthispassage? A.PlasticWaste B.LaxLawPerformance C.TheDisadvantagesofUsingPlasticBags D.ReducingPlasticWasteIsSharedResponsibility
Nooneknowsexactly1theearthbegan.Howeveraccordingtoawidelyacceptedtheorytheuniversebegan2aBigBang.Thenthedust3settleintoasolidglobe.Astheearthcooleddownwaterbegantoappearonitssurface.Many4sciencebelievethatitwasthepresenceofwaterthatallowedtheearthtodissolve5harmgasesandacidsintooceansandseaswhichmadeitpossibleforlifetodevelop. Millionsofyearslaterthefirstsmallplantsappearedonthesurfaceofthewater.Theirdevelopment6followbyearlyshellfishallsortsoffishgreenplantsandlandanimals.Reptiles7produceyounggenerallybylayingeggswhilemammalsgavebirthtoyoungbabyanimals.Dinosaursexistedontheearthforover140millionyearsbeforetheysuddenlydisappeared.Thereason8theydisappearedstillremainsamystery. Finallyhumansappearedandspreadallovertheearth.Buttheyareputtingtoomuchcarbondioxideintotheatmospherewhichpreventsheatfrom9escapefromtheearthintospace.Asaresultofthispeoplebelievetheearthmaybecometoohottoliveon.So10lifewillcontinueontheearthwilldependonhowthisproblemcanbesolved.
1 OneyearagoIwasingreattrouble.IworkedhardatEnglishanddevotedallmysparetimetopractisingit.ButIfailedtopassthemidtermexaminationwhichmademegreatlydisappointed.SoIaskedmygrandpa1advicewhenIgothome.Hearing2ItoldhimhesaidTosomeextentexaminationresultssometimescannotreflectyourstudylevel.Youcan'tjudgeyourprogressbyoneexamination.HeencouragedmetoworkhardforalongtimetocheckmyresultsandI3takemygrandpa'sadvice.NowIrealizethattheprocessof4learnismuchmoreimportantandmyEnglishismuch5goodthanbefore.FrommyexperienceIfeelthatweshouldlistentoopinionsfromoldpeople. 2 Withthedevelopmentofscienceandtechnologyintelligentrobotswillbewidelyusedinthefuture.Athomerobotswillhelp6wedosomehouseworkandtakecareoftheelderlybabiesandparents.Inadditiontothese7taskrobotswillevenbeabletoplaychessanddoexercisewithpeople.Infactoriesrobotswillbeusedtoperformsomedangerousjobs8avoidaccidents.Robotswillchangeourfuturelifeinmanywayswhichwillmakeitmorecolorfulandcomfortable.Howeverweshouldn'tdependonintelligentrobotstoomuchforthey9maketohelphumansratherthanreplaceus.Sorobotsshouldbeused10proper.
Eachyearhundredsofthousandsofwildanimalsaroundtheworldarekilledintrophyhunting﹣theorganizedshootingofanimalsforpleasure.Thehuntersthenbringpartsoftheanimalhomewiththemastheirtrophytorememberthehunting. Trophyhunterspaybigmoneytokillanimals.Someofthemoneygoestohelpingwildlifeprotection.Trophyhuntingalsoattractsbusinesswhichencouragespeopletopreservelandandbreed饲养animalsthatwouldotherwisebeendangered.CathyDeanheadoftheSavetheRhinoCharitysaysthatatthestartofthe1900stherewereonly50﹣100southernwhiterhinos.Nowtherearearound18000.Thisispartlybecausesomeofthemwereraisedspeciallyfortrophyhunting. Butthingsdon'tusuallygoononeway.AccordingtoWWFelephantpopulationshavefallenfrom1.3milliontojustover400000sincethe1980s.Overthesameperiodhuntersfromaroundtheworldhavetakenhomemorethan100000Africanelephanttrophies.Trophyhuntingisnotillegal非法的butunfairontheanimals.In2015CecilthelionwasshotbyaUStrophyhunter.CecilwasabelovedlioninZimbabweAfrica.Cecilwasluredwithbait诱饵shotwithanarrowandstruggledinbloodformorethantenhoursbeforehishunterstrackedandfinishedkillinghim.HissonXandametasimilarfatetwoyearslater. Cecil'sdeathcausedworldwideoutrageandprotests__againsttrophyhunting.CountriesincludingAustraliaFranceandtheNetherlandsbanned禁止theimportofliontrophies﹣theystophuntersfrombeingallowedtobringhomepartsoftheanimaltheykill.Theybelievethatpeoplewillstoptrophyhuntingbecausetheactivitymightloseitsattractionifhunterscan'tbringtheirtrophieshome. TheUKGovernmentsaidthatitwouldconsiderabanontrophy﹣huntingimportsby2017butnoactionhadbeentaken.InApril2019aletterbyprotestersagainsttrophyhuntingwassenttotheUKgovernmentaskingtobantrophy﹣huntingimports.On7MaytheofficialinchargeoftheenvironmentMichaelGovesaidthattheUKwouldnotbantheimportsforthetimebeing.Thislefttheworldinastateofashock.HopefullytheUKwillplaceabanontrophy﹣huntingimportswhichwouldbeanimportantmessageandinspireotherstotreatanimalsbetter.We'rewaitingforthedaytocome. 1Atrophyhunterusually. A.killswildanimalsforfood B.learnsaboutwildlifeinthehunting C.givesalargeamountofmoneytoprotectwildlife D.takespartoftheanimalhomeinmemoryofthehunting 2WhydoesthewritermentionCecil'sstoryinParagraph3? A.Toprovetrophyhuntingmakessomeanimalspeciesendangered. B.Toshowhowanimalssufferedpainfullyintrophyhunting. C.ToattachimportancetoprotectingwildlionsinAfrica. D.Topersuadetrophyhunterstohuntinalegalway. 3Whydidsomecountriesbantheimportofliontrophies? 4Whatisthewriter'sattitudetowardstheUK'sdecisiononthebanoftrophy﹣huntingimports?
CharlesWanghasbeentoe﹣mailhellandreturnedtotellthetale.HisjourneytherebeganinnocentlyenoughwhenaschairmanofComputerAssociatesInternationalasoftwarecompanyhefirstheardhowquicklyhisemployeeswelcomedtheirnewelectronic﹣mailsystem.Theyweresendingmessagestooneanotherlikecrazy.Isaid‘Let'scheckintohowpeopleareusingit.' Butinsteadofapleasante﹣mailculturewhathaddevelopedwasabehavioralnightmare.Itwasadisasterhesays.Mymanagersweregetting200to300e﹣mailsadayeach.Peopleweresofondofitthattheyweren'ttalkingtoeachother.Theywerehibernatinge﹣mailingpeopleinthenextroom.Theywereabusingit.InjustafewyearsWang'shightechcommunicationssystemhadgonecrazy. TostopthatWangshort﹣circuitedthesystemtakingtheastonishingstep﹣consideringwhathis$3.9billioncompanydoesforaliving﹣ofbanningalle﹣mailsfrom9:30a.m.to12noonandfrom1:30p.m.to4p.m.Thesehoursarenowobservedasasortofelectronicquiettime.SaysWang:Itworkedwonderfully.Peoplearewalkingthecorridorsagaintalkingtootherpeople. Almosteveryoneagreesthate﹣mailisawonderfulinvention.Itisaconvenientinformalmediumforconveyingmessagesthatwellmeetshumanneeds.E﹣mailisperhapstheidealmeansbywhichonecanrunaglobalproject.Itisoneofthegreatestinnovationsofthelast20yearssaysPaulArgentiaprofessorofmanagementcommunicationsatDartmouth'sTuckSchool.ButArgentiandothersalsosayitisamediumwhosefunctionisconfusinginpartsbecausetheprocessissoeasyandinformalthatpeopletreatitastheydoconversationbutinformalasitmaybee﹣mailiswritingandconstitutesapermanentrecordandbecausesomuchofhumanconversationisnonverbale﹣mailmessagesespeciallycriticalorcomplexonescaneasilybemisunderstood. 1FromthefirstparagraphwecaninferthatCharles. A.wasverygladtoseethebenefitsofe﹣mailstohisemployees B.thoughtitunbelievablethathisemployeesusede﹣mailssomuch C.doubtedthepublicenthusiasmaboute﹣mailsforcommunications D.consideredthee﹣mailapplicationasomewhathappyexperience 2Theunderlinedwordhibernatingprobablyreferstothosewho. A.getsleepymoreeasilyfornoactualworktodo B.havemoretimeforsleepfortheirhighefficiency C.arenotmovingaroundandnottalkingtoeachother D.becomeindifferenttoeachothereveninthesameoffice 3TochangetheworrisomesituationCharlesWang. A.restrictedthetimefore﹣mailcorrespondence B.inventedothermediaforcommunication C.closedthee﹣mailsysteminhiscompany D.closedhiscompanyforotherbusiness 4Fromthelastparagraphwecanseethedisadvantageofe﹣mailsmaybethat. A.itiscomputer﹣borne B.itdoesn'thelpglobalbusiness C.itmaybemisunderstood D.itisawrittenlanguage
碳酸氢钠是小苏打的主要成分在生产和生活中有许多重要的用途．化学课上同学们为了解碳酸氢钠的性质将一定质量的碳酸氢钠和稀硫酸混合充分反应后有气体逸出写出该反应的化学方程式同学们对反应后溶液中溶质的成分进行了探究认为除一定含有硫酸钠外可能还含有其他成分因此进行了猜想并做了如下实验 【实验用品】pH试纸锌片氧化铜粉末稀硫酸氢氧化钠溶液氯化钡溶液． 【猜想与假设】反应后溶液总溶质的可能组成成分． 猜想一硫酸钠 猜想二硫酸钠碳酸氢钠 猜想三硫酸钠硫酸 【实验探究】同学们取反应后的溶液用不同方案进行如下实验请根据结论完成如表实验现象中的空格． 【得出结论】猜想三正确． 【评价反思】 1老师对同学们能用多种方案进行探究并且得出正确的实验结论给予了肯定同时指出探究中存在一处明显错误是． 2有同学对实验方案B的结论提出了质疑认为仅凭此现象不能得出猜想三正确请说明理由． 【总结提高】依据所给实验用品设计不同的方案确认猜想三是正确的请你写出你的实验方案．
AttitudeIsEverything Jerrywasthekindofguywhowasalwaysinagoodmoodandalwayshadsomethingpositivetosay. OnedayIaskedhimIdon'tgetit!Youcan'tbeapositivepersonallofthetime.Howdoyoudoit?JerryrepliedEachmorningIwakeupandsaytomyself‘Jerryyouhavetwochoicestoday.Youcanchoosetobeinabadmoodorinagoodmood.'Ichoosetobeinagoodmood.EachtimesomethingbadhappensIcanchoosetobeavictimortolearnfromit.Ichoosetolearnfromit.SoonthereafterIleftthecityandwelosttouch. SeveralyearslaterIheardJerrydidsomethingsurprising:heleftthebackdooropenonemorningandwasheldupatgunpointbythreearmedrobbers.Whiletryingtoopenthesafehishandshakingfromnervousnessslippedoffthecombination.Therobberspanickedandshothim.LuckilyJerrysurvived.After18hoursofsurgeryandweeksofcareJerrywasreleasedfromthehospitalwithpiecesofthebullets子弹stillinhisbody. IsawJerrysixmonthsaftertheaccident.Iaskedhimwhathadgonethroughhismindastherobberytookplace.ThefirstthingthroughmymindwasthatIshouldhavelockedthebackdoorJerryreplied.ThenasIlayonthefloorIrememberedthatIhadtwochoices:Icouldchoosetoliveortodie.Ichosetolive. Weren'tyouscared?Iasked. JerrycontinuedTheparamedics护理人员weregreat.TheykepttellingmeIwasgoingtobefine.Butintheemergencyroomthefacialexpressionsofthedoctorsandnursesreallyscaredme.IntheireyeIread‘He'sadeadman.'IknewIneedtotakeactions. Whatdidyoudo?Iasked. WellanurseaskedmeifIwasallergictoanythingsaidJerry.Thedoctorsandnursesstoppedworkingastheywaitedformyreply.Itookadeepbreathandyelled‘Yes!Bullets!'OvertheirlaughterItoldthem‘OperateonmeasifIamalivenotdead.' 1WhenfacingtherobberyJerry. A.wascalmandbrave B.wasn'tscaredthoughheslippedoffthecombination C.wasscaredinsuchadangeroussituation D.exercisedself﹣controlintimeofdanger 2Jerry'sjokeintheemergencyroom. A.encouragedthedoctorsandnursestobringhimbacktolife B.toldthedoctorstotakehimasdeadduringtheoperation C.convincedthedoctorshewasnotafraidoftheoperation D.madethedoctorsandnursesfeellight﹣hearted 3Wecanconcludefromthepassagethat. A.wemustn'tloseself﹣controlintimeofdanger B.amazingattitudescan'thelpuscopewithdifficultsituations C.negativethoughtsofanunpleasantsituationmayresultinhelplessness D.takingpositiveattitudesisthekeytolivingfully
某化学兴趣小组同学为回收一块质量为40g的铜锌合金中的铜将该合金放入烧杯中逐渐加入稀硫酸至不再产生气泡时恰好用去稀硫酸100g烧杯内剩余固体27g． 请完成下列分析及计算． 140g铜锌合金中锌的质量是g． 2计算所用稀硫酸中溶质的质量分数．
Haveyoueverbeeninasituationwhereyouhavedonesomethingjusttomakesomeoneelsehappy? Youthinkthatyouaremakingyourselfhappy.1IhavedonethatmanytimesbecauseIwantedtoimpresspeopleorIthoughtthatifImadesomeoneelsehappyitwouldcertainlymakemehappy.Iunderstandthatallofuswantourclosefriendsandfamilytobeproudofussoweworkhardinschoolorinourcareerstomeettheirexpectations.2Butifyouaretryingtorealizeotherpeople'sdreamswithoutkeepingyourselfsatisfiedyouwillneverbehappy. Soyouhavetobeclearandhonestwithyourselfaboutwhatyouwantinyourlife.Ifyouarehonestwithyourselfyouwillbemoreoptimistic.3Youfeellikeyouwon'tneedtoachievesomethingforsomeoneelse. 4Theyfeartoberejected排斥byothers.TheythinkandsayIfIchoosethisjoborcareerpaththatpersonwillthinkIamoutofmymindorIreallywanttostartthisbusinessbutthosepeoplewillthinkthatIwon'tmakeanymoney.5Don'tthinkthisway.Ifyoufollowotherpeople'swishesbutcannotbetruetoyourselfyouwillhaveahardtimefeelinggreataboutyourself. A.Thetruthisthatyouarereallytryingtomakesomeoneelsehappy. B.Sowhydon'tIfollowwhattheysay? C.Andyouwilldevelopadrivefromyourheart. D.Soweshouldtryourbesttorealizeourdreams. E.Butwesometimeshavetomeetexpectationsfromothers. F.Whydosomanypeoplewanttolivetheirdreamsforsomeoneelse? G.Thereisnothingwrongwiththat.
Someinsectssuchasbutterfliesandladybugsarequitebeautiful.Butdidyouknowthatmanybugsarealsoedibleandarefilledwithprotein? AletheiaPriceknowsthis﹣andalotmore﹣aboutbugs.Shealsothinksyoushouldtryeatingsome.Ifyouvisitthewebsitewww.eatbug.comyouwillfindallkindsofinformationaboutedibleinsects.MostofitwaswrittenbyAletheiaPricewhenshewasfifteenyearsold.Aletheiastartedeatingbugsattheageofthirteen.Beforelongshefoundthatshereallyenjoyedsomeofthem.Shealsobecameinterestedinfindingoutmoreaboutwhichkindsofbugscouldbeeatenandhowtocookthem. AccordingtoAletheiathereareatleast1462kindsofedibleinsects.Doesn'tthatmakeyouwonderwhotriedallofthemanddecidedtheywereedible?Someofherfavoritedishesincludemealwormchocolatechipcookiesanttacos玉米卷andchocolate﹣coveredcrickets蟋蟀.Onherwebsiteshehasrecipesforinsectentrees开胃菜andsomehelpfultips.Forexamplewhenpreparingcricketsitisbesttoremovetheirlegsbeforecookingforthelegstendtogetstuckinyourteeth.Shealsooffersinformationforanyonewhowantstoraisebugsforfood. Aletheiarealizesthateatingbugsisnotforeveryone.Butifyouthinkaboutityouhavetoadmitthateatingbugsmightbeagoodidea.Therearebillionsandbillionsofbugsinthisworld.Ifwecouldgetusedtoeatingthemwewouldhaveplentyoffoodforeveryone. 1WhenAletheiawas13she. A.wrotearticlesaboutbugs B.atebugsforthefirsttime C.taughtpeoplehowtocookbugs D.studiednutritionalvalueofbugs 2OnAletheia'swebsiteyoucanfindinformationon. A.namesofrestaurantstoservebugs B.howtokeepbugsaspets C.tipsoncookingandeatingbugs D.wheretocatchbugsforfood 3InAletheia'sopinioneatingbugscanhelp. A.keepthebalanceofnature B.solvethefoodsupplyproblem C.makeyourlifemoreinteresting D.maketheoldandtheyoungstronger
TheCostofDishonesty DavidbeganstudyinginGermanytwoyearsago.Thecollegewasalittlefarfrom1helivedsohehadtotakethe2everyday.Thiscleverstudentsoonfounditwas3toescapebuyingsubwaytickets4heoftenwentandreturnedwithoutaticketto5money.Asaresulthehadbeencaughtwithno6inthesubwayfourtimesbuthe7tookthemtoheart.Hethoughtwhatheshouldpaymoreattention8washisstudy.Hedidworkveryhardinthelasttwoyearsandgraduatedwith9gradesamonthago. EveryoneincludingDavid10thoughthewouldgetagoodjobeasilyinGermanyandhaveabright11.Hewenttoabiglocalcompany12.Buttohissurprisehewasnot13givenhischanceforaninterview!Hethenwentto14famouscompanyonlytoreceivethesametreatment.Whenhewas15athirdtimehecouldn't16telephoningthecompanytoaskwhytheydidn't17him.TheanswerwassimpleWedon'tofferjobsto18peopleinGermany! Beingdishonestmaybringussomethingusefulsometimesbutthetruthwill19soonerorlaterandthecostishigh.Soremember20isthebestpolicy策略. 1A.which B.that C.where D.what 2A.bus B.car C.plane D.subway 3A.easy B.difficult C.free D.worth 4A.or B.so C.and D.but 5A.waste B.spend C.save D.cost 6A.ticket B.money C.cost D.pay 7A.never B.often C.sometimes D.always 8A.for B.in C.into D.to 9A.interesting B.disappointing C.poor D.amazing 10A.him B.himself C.his D.he 11A.result B.view C.future D.life 12A.confidently B.actively C.sincerely D.willingly 13A.only B.even C.just D.still 14A.other B.one C.another D.either 15A.refused B.accepted C.doubted D.requested 16A.imagine B.prefer C.enjoy D.help 17A.command B.want C.recognize D.vote 18A.reliable B.devoted C.dishonest D.lazy 19A.giveup B.breakin C.comeout D.keepon 20A.truth B.honesty C.dishonesty D.principle
Awomanprofessorwasgivingalessontoherstudentsonstressmanagement.Assheraisedaglassofwatereveryoneintheclass1theywouldbeaskedthehalf﹣emptyorhalf﹣full'question. 2withasmileonherfacesheaskedthestudentsHow3doyouthinkthisglassofwaterweighs? Answerscalledout4from100mlto300ml. ShequietedthestudentsdownandthenrepliedItdoesnotmatterontheabsoluteweight.It5onhowlongyouholdit.IfIholditforaminuteitisOK.IfIholditforanhourIwillhaveanacheinmyright6.IfIholditforadaymyarmwillfeelnumb.Ineachcasethe7oftheglassofwaterdoesn'tchangebutthe8Iholdittheheavieritbecomes.Why? Lostin9allthestudentskeptsilentandlistenedtotheprofessorcarefully. Our10andworriesinlifearelikethatglassofwater.Ifwe11ourburdensallthetimesoonerorlaterwewillfeelexhaustedeven12tocarryon.13youhavetodoisputallyourburdensdownas14intheeveningaspossible.Don'tcarry15throughtheeveningintothenight;bydoingthiswecanget16nextmorningandareabletomoveforward.More17thannotlifegetsterriblewhenwethinktoomuch.Andthemomentyou18yourburdensyou'llfindyourselffeelingsomuchmorerelaxed. Soratherthanbeingupsetandfeeling19foryourselfstartdoingsomethingaboutit.Afteralllifeistooshortto20yourselftoanythingthatisnotmakingyouhappy. 1A.wondered B.agreed C.expected D.argued 2A.Instead B.Meanwhile C.Anyhow D.Therefore 3A.full B.little C.heavy D.much 4A.replied B.ranged C.read D.remained 5A.holds B.calls C.takes D.depends 6A.finger B.foot C.arm D.leg 7A.shape B.function C.size D.weight 8A.better B.longer C.deeper D.further 9A.thought B.idea C.plan D.class 10A.doubts B.joys C.stresses D.surprises 11A.carry B.cover C.hide D.show 12A.uncertain B.unhappy C.unaware D.unable 13A.What B.That C.Whether D.How 14A.late B.early C.soon D.fast 15A.this B.that C.them D.it 16A.reset B.reviewed C.refreshed D.reminded 17A.usually B.commonly C.ordinarily D.often 18A.catchupwith B.letgoof C.putupwith D.takecareof 19A.sorry B.satisfied C.happy D.confused 20A.help B.abandon C.drive D.treat
AMalianimmigrant移民whohasbeenpraisedasaheroforsavingasmallboythatwashangingfromabalconyinParisistobemadeaFrenchcitizenforhisselflessactofcourage. MamoudouGassamawonwidespreadpraiseafterclimbingtheoutsideofthebuildingtosavethefour﹣year﹣oldchild.Avideoshowedhimbeingcheeredonbypeopleashepulledhimselffrombalconytobalconytothefourthfloor.GassamawasverysoongrantedameetingattheElyseePalacewiththeFrance'sPresidentwhosaidGassamawouldbemadeacitizen.HethankedMr.Gassamagavehimamedalforcourageandsaidhewouldalsobeofferedaroleinthefireservice. MrGassamasaidhehadbeenwalkingpastwhenhesawalotofpeoplegatheredinfrontofthebuilding.HetoldPresidentMacronIjustdidn'thavetimetothink.Iranacrosstheroadtogoandsavehim.Hesaidthattheboywascryingwhenhepulledhimtosafetyandhehadalsosufferedaninjuredfoot.Firefightersarrivedtofindthechildhadalreadybeenrescued. It'ssaidthattheboy'sparentswerenotathomeatthetime.Thefatherhasbeenquestionedbypoliceonleavinghischildunattended.Theboy'sfatherwasarrestedandtoldpolicehehadlefthissonalonetogoshoppingandreturnedhomelaterthanplannedbecausehewasplayingarealitygameonhissmartphone.ThemotherwasnotinParisatthetimeitisbelieved. 1MrGassamawasmadeaFrenchcitizenfor. A.climbingupthefourthfloor B.savingthelittleboy C.puttingthefireout D.savingthepresident 2Theboy'sfatherwasarrestedbecause. A.hewaslostinthegame B.hedidn'tlivewithhiswife C.hewentshoppingbyhimself D.helefthis4﹣year﹣oldchildaloneathome 3Wherecanwereadthispassage? A.Inanovel. B.Onanewspaper. C.Onanadvertisement. D.Fromabiography.
他承诺会来但还没出现.Hepromisedthathewouldcomebutheyet!
USprivaterocketcompanySpaceXhasannouncedthattwoprivatecitizenshavepaidtobesentaroundtheMoon.Themissionisplannedforlate2018.SpaceXCEOElonMusksaidThisgiveshumansanopportunitytoreturntodeepspaceforthefirsttimein45years. Thetwounnamedpeoplewillflyaboardaspaceshipwhichissetforitsfirstunmannedtestflightlaterthisyear.Theco﹣operationofAmerica'sNASAspaceagencyhadmadetheplanpossible.Mr.MusksaidThetwopassengerswilltravelfasterandfurtherintothesolarsystemthananybeforethem.LiketheApolloastronautsbeforethemtheseindividualswilltravelintospacecarryingthehopesanddreamsofallhumankinddrivenbytheuniversalhumanspiritofexploration. Weexpecttoconducthealthandfitnesstestsaswellasbegininitialtraininglaterthisyear.Thefirstmissionwouldbeunmannedandthenextone﹣withcrew﹣wasexpectedinthesecondquarterof2018therichbusinessmanandinventorsaidThefirstpassengersareenteringthiswiththeireyesopenknowingthatthereissomeriskhere.They'recertainlynotchildishandwe'lldoeverythingwecantoreducethatriskbutit'snotzero. ThespacetouristswouldmakeacirclearoundtheMoonscanningthelunarsurfaceandthengoingwellbeyond.Howeverthemissionwillnotinvolvealunarlanding.IfNASAdecidedtotakepartinalunarfly﹣bymissionthentheagencywouldhaveprivilege优先权.Mr.Musksaid.TheUShasnotsentastronautstotheMoonsincetheearly1970s. 1Whichofthefollowingstatementsistrueaccordingtothetext? A.Thetwotouristscan'taffordtoflyaroundthemoon. B.Spacetravelsarerootedinthespiritofhumanexploration. C.Initialtrainingisexpectedtobeconductedatthebeginningof2018. D.Thetwotouristsareexpectedtoflyataslowspeed. 2Theagencyhasprivilegebecause A.itneedsco﹣operationwithMr.Musk B.ithasprevioustechnicalskills C.itwillbeabletoremovealltherisks D.ithastomakemoneyforresearch 3Wherecanyoumostprobablyreadthetext? A.Inatextbook. B.Inasciencefiction. C.Inatravelbrochure. D.Onanewswebsite. 4Whatcanbeasuitabletitleforthetext? A.TheComingMoonTripofTwoPrivateCitizens B.AnOpportunitytoExploreSpacefortheFirstTime C.APaidTripPlannedbySpaceXto'LandontheMoon D.TwoUnmannedMissionsofCirclingaroundtheMoon
前几天这只猫生了三只小猫.Theotherdaythecatthreekittens.
不要忘记提醒Tom下午的会议. Don'tforgettothisafternoon.
当她还是婴儿的时候她的父母亲就去世了她是由她的阿姨抚养长大的.Herparentsdiedwhenshewasababyandshewasbyheraunt.
DearbornHeightsMichigan﹣2.7millionchildrenunder18haveaparentinprisonandwomenputinlocalprisonsarethefastestgrowingpopulation.ShawnaReynoldshasseensomeofthosewomenupclosewhileworkinginthecorrectionssystem劳教所for17yearsandshewasencouragedtotrysomethingdifferent. AftersevenyearsofeducationandcollectingasmuchmoneyasshecouldShawnacreatedAboutFaceCourseCorrection﹣aone﹣yearrehabilitationprogram康复项目thatoffersamorepersonalwaytohelpnon﹣violentwomenprisoners.TheprogramincludesclassesforwomentofinishtheireducationfindajobandSoon.Youcan'texpectpeoplewhohavebeeninprisontostayinprisonShawnasays.YOUwantthemtobehelpfulpeoplebutifyouarenotgoingtohelpthemit'snotgoingtohappen. ThewomenlivefreeforayearinahouseinDearbornHeightsMichigan.Womenlike20﹣year﹣oldJenniferDouglaswhodroppedoutofschooltookdrugs__andhasspentyearsinandoutofprison.ShesaysIwasdoingthingsIwouldneverhavethoughtIwoulddoinmywholelife.BecauseofAboutFaceJennifer'slifeischanging.EveryoneisstartingtotrustmeagainandproudofmeandwhatI'mdoingshesays.It'shelpedmealot.Ithaskeptmeontherighttrack. TherearemanyotherwomenlikeJennifer.Everywoman'sstoryisdifferentbuteachwomanisimportant.AndShawnaisdeterminedtobreakthecycleandhelpthemturntheirlivesaround.Sheisusingherownmoneyanddonationstopayforthehouseandthisprogram.IfyouwouldliketodonatepleasevisittheirGoFundMeaccounthere. 1ShawnasetupAboutFacetohelpwomenwhohavebeeninprison. A.livemorehappily B.becomenon﹣violent C.escapefromprison D.goontherighttrack 2ShawnaReynoldscanbedescribedas. A.different B.educated C.proud D.warmhearted 3Thispassagemostprobablycomesfrom. A.theInternet B.amagazine C.anewspaper D.aposter 4What'sthewritingpurposeofthepassage? A.Tocollectsuggestionsfortheprogram. B.TotellastoryaboutJenniferDouglas. C.TointroduceShawnaandherprogram. D.ToshowShawnahasbeenintrouble.
Daisysmiled.That'sgoodnews.Itshowstheimportanceof12butI'dliketohelpastheWWFsuggests.Thecarpetroseagainandalmostatoncetheywereinathickrainforest.Amonkeywatchedthem3itrubbeditself.Whatareyoudoing?askedDaisy.I'm4myself5mosquitoesitreplied.WhenIfindamillipedeinsectIrubitovermybody.It6a7drugwhichaffectsmosquitoes.You8paymoreattentiontotherainforest9Iliveand10howtheanimalslivetogether.Norainforestnoanimalsnodrugs.
英语课上老师要求同桌同学相互修改作文.假设以下小作文为你同桌所写请你对其进行修改.文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏词符号^并在此符号下面写出该加的词. 删除:把多余的词用斜线\划掉. 修改:在错的词下划一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词. 2.只允许修改10处多者从第11处起不计分. 3.必须按答题要求做题 Akindoflittlecarmaysomedaytakeaplaceoftoday'sbigones.Ifpeopledrivesuchcarsinthefuturetherewilllesspollutionintheairandmorespacesforparkingcarsincities.Thestreetswillbelesscrowd.Anddrivingwillbesafeastheselittlecarscangoonly65km.perhour.Howeverthelittlecarswillbefineforgettingroundacitysotheywillnotbeusefulforlongtrips.Ifbigcarswerestillusedalongwiththesmallonestwosetsofroadsthatwillbeneededinthefuture.Onesetisforthebigfastcarsandtheanotherfortheslowsmallones.Whichisbelievedthatmorepublicresourceswillbewasted.
John的父母在他小时就去世了所以他是由奶奶抚养长大的. John'sparentsdiedwhenhewasalittlechildsohebyhisgrandma.
ACanadianwomanwholostherdiamondring13yearsagowhilecleaninghergardenonthefamilyfarmiswearingitproudlyagainafterhewdaughter﹣in﹣lawpulleditfromthegroundoracarrot. MaryGrams84saidshecan'tbelievetheluckycarrotactuallygrewthroughandaroundthediamondringshehadlonggivenuphopeoffinding.ShesaidshenevertoldherhusbandNormanthatshelosttheringbutonlytoldherson.Herhusbanddiedfiveyearsago. IfeelgladandhappyGramssaidthisweek.Igrewintothecarrot.Ifeelitamazing Herdaughter﹣in﹣lawCalleenDaleyfoundtheringwhilegettingcarrotsinforsupperwithherdogBillyatthefarmnearArmenaAlbertawhereGramsusedtolive.Thefarmhasbeeninthefamilyfor105years.DaleysaidwhileshewaspullingthecarrotsandnoticedoneofthemlookedstrangeShealmostfedittoherdogbudecidedtokeepitWhenshewaswashing;thecarrotsshenoticedtheringandspoketoherhusbandGrams'sonaboutwhatshehadfound. TheyquicklycalledGrams.ItoldherwefoundherringinthegardenShecouldn'tbelieveitDaleysaid.Itwassostrangethatthecarrotgrewperfectlythroughthatring. GramssaidshewantedtotrytheringonagainaftersomanyyearsWithherfamilylookingonshewashedtheringwithalittlesoaptogetthedirtoff.Itmovedonherfingeraseasilyasididwhenherhusbandgaveittoher. Wewerelaughingshesaid.Itfits.Aftersomanyyearsitstillfitsperfectly. 1HowoldwasGramswhenshelostherdiamondring? A.13. B.71. C.84. D.105. 2Whofoundthewoman'slong﹣lostdiamondring? A.MaryGrams. B.Norman. C.ColleenDaley. D.Billy. 3Thispassagemainlytellsusthat. A.aCanadianwomanlostherring B.along﹣lostringwasfound C.thefamilyfarmhasalonghistory D.astrangecarrotwaspulled
你必须饮食均衡以减轻体重.Youmusteatabalanceddietto.
Istaredfromthedeckofmyhotelroomcurious.Anoldergentlemanwasassistingayounggirlasshe1towalkdownthebeach. ThateveningI2inthehotelrestaurantandwatchedasthesameyounggirlcontinueto3fromthetableandreachforherwalker.She4itfirmlywithbothhandsandleaning5.Shemadeherwayoutoftherestaurantsmilingasshewent. AsIdrankmycoffeeinthehallthenextmorningInoticeda6SpecialOlympicsRelays.AhIthoughtthatmustbewhatthewalking7areallabout. OverthenextthreedaysIwatchedasthegrandfather8workedwithhisstudent.Youcandoitsweetheart.Let'sgetupandtryagain.Andatthis9shewouldstruggleagaintoherfeet. OnthemorningoftheOlympicsIfeltforcedto10herOlympicevent﹣aquarter﹣mile.Shewas11afighter.Icheeredasshecrossedthe12lineandwonthesecondplace.Shesmiledasshestoodonthe13platformandatearslippeddownhercheekasthemedalwas14aroundherneck.ShetoldthecrowdI15wanttothankmygrandfatherforbelievinginme16Ihadnooneelse. Ifoundherlater.Isaid17!Aswetalkedforawhileshe18thatsheandherparentswerehitbyadrunkdriverthreeyearsago.Shewastheonly19. Elizabethsmiledandhuggedhergrandfather.EveryonegaveuphopethatIcouldwalk20.Mygrandfatherwastheonlyonewhodidn't. 1A.promised B.struggled C.failed D.refused 2A.ate B.hid C.lay D.worked 3A.runaway B.climbup C.getup D.breakaway 4A.fixed B.pushed C.folded D.grasped 5A.heavily B.secretly C.nervously D.shyly 6A.grade B.sign C.novel D.goal 7A.coaches B.advantages C.lessons D.chances 8A.hardly B.formally C.regularly D.patiently 9A.comment B.warning C.requirement D.encouragement 10A.join B.report C.forget D.watch 11A.hurriedly B.definitely C.luckily D.unwillingly 12A.permanent B.single C.finishing D.dividing 13A.award B.teaching C.station D.train 14A.thrown B.placed C.spread D.decorated 15A.painfully B.innocently C.especially D.similarly 16A.if B.unless C.because D.when 17A.Thankyou B.Whatapity C.Mypleasure D.Congratulations 18A.revealed B.doubted C.argued D.imagined 19A.witness B.survivor C.adventurer D.conductor 20A.ahead B.alone C.again D.away
假定你是李华你的外教老师Mr.Brown即将回国请你给他写一封感谢信.内容包括: 1.表达感激之情; 2.回忆他在英语学习方面给你的帮助; 3.祝他回国旅途愉快. 注意:1.词数80左右; 2.可以适当增加细节以使行文连贯.
假设你是红星中学高三学生李华.请根据以下四幅图的先后顺序写一篇英文周记记述你上周接待你校美国交换生Jim带他体验你校以走近京剧ClosertoPekingOpera为主题的社团活动的全过程. 注意:词数不少于60.提示词:costume戏装;spear矛
JohnSmithwasawriterwhowrotedetectivestoriesformagazinesthoughheneverdealtwithcriminals.Oneeveninghecouldnotfinishanendforastory.Hesatinhisstudybuthehadnoideas.Sohedecidedtogotothecinema. Whenhecamebackhefoundthathehadhadavisitor.Someonehadbrokenintohishouse.Thevisitorhadhadadrinksmokedseveralofhiscigarettesandhadreadhisstory.Thevisitorlefthimanote. IhavereadyourstoryandIdon'tthinkitisverygood.Pleasereadmysuggestionsandyoucanfinishit.BythewayIamathief.I'mnotgoingtostealanythingtonight.ButifyoubecomeasuccessfulwriterIwillreturn. Johnreadthethief'ssuggestions.Thenhesatdownandwrotetherestofthestory.Heisstillnotasuccessfulwriterandheiswaitingforhisvisitortoreturn.Beforehegoesoutintheeveninghealwaysleavesahalf﹣finishedstoryinhisstudy. 1Johnwenttothecinemabecause. A.hewastootired B.hewantedtolookforathief C.hecouldnotfinishhisstoryandhopedtogetsomeideas D.hewantedtoenjoyhimselfinthecinema 2ThevisitorcametoJohn'shouseinorderto. A.stealsomething B.readthestory C.haveadrink D.visitthewriter 3Thevisitor. A.stayedinJohn'shouseforanight B.tooksomeofJohn'sthingsaway C.leftJohnsomeadvice D.wasagoodfriendofJohn's 4Johnwouldliketo. A.haveatalkwithhisvisitor B.getmoreideasfromthevisitor C.makefriendswiththevisitor D.catchthevisitorandtakehimtothepolice
我对这首歌很熟悉. Ithesong.
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