首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
下列关于核反应方程及描述正确的是( )
查看本题答案
包含此试题的试卷
高三下学期物理《》真题及答案
点击查看
你可能感兴趣的试题
2011年3月16日上午10时福岛第一核电站第3号反应堆发生了爆炸引起社会恐慌下列关于核电站问题的说
核电站发生的核反应方程为
核电站发生的核反应方程为
反应时产生的新核的平均结合能比发生反应的核的平均结合能大
核反应时产生大量的γ射线的本质是高速电子流
太阳内部持续不断地发生着4个质子11H聚变为1个氦核42He的热核反应核反应方程是411H→42He
方程中的X.表示中子
方程中的X.表示电子
这个核反应中的质量亏损△m=4m1-m2
这个核反应中释放的核能△E.=(4m1-m2-2m3)c2
由我国自行设计研制的世界第一套全超导核聚变实验装置又称人造太阳已完成了首次工程调试下列关于人造太阳的
“人造太阳”的核反应方程是
“人造太阳”的核反应方程是
“人造太阳”释放的能量大小的计算公式是ΔE.=Δmc
2
“人造太阳”核能大小的计算公式是
据新华社报道由我国自行设计研制的世界第一套全超导核聚变实验装置又称人造太阳已完成了首次工程调试.下列
“人造太阳”的核反应方程是
“人造太阳”的核反应方程是
“人造太阳”释放的能量大小的计算公式是
“人造太阳”核能大小的计算公式是
科学家使用核反应获取氚再利用氘和氚的核反应获得能量核反应方程分别为和下列表述正确的有
X.是中子
Y.的质子数是3,中子数是6
两个核反应都没有质量亏损
氘和氚的核反应是核聚变反应
科学家发现了质子其核反应方程为科学家发现了中子其核反应方程为科学家第一次用人工方法获得放射性同位素其
关于核反应方程下列说法正确的是
X.是
,该核反应属于聚变反应
X.是
,该核反应属于裂变反应
X.是
,该核反应属于聚变反应
X.是
,该核反应属于裂变反应
据新华社报道由我国自行设计研制的世界第一套全超导核聚变实验装置又称人造太阳已完成了首次一程调试下列关
“人造太阳”的核反应方程是
“人造太阳”的核反应方程是
根据公式△E=△mc
2
可知,核燃料的质量相同,聚变反应释放的能量比裂变反应大得多
根据公式E.=mc
2
可知,核燃料的质量相同时,聚变反应释放的能量与裂变反应释放的能量相同
关于核反应方程8234Se→8236Kr+2x下列说法正确的是填选项前的字母
x是α粒子
x没有质量
此反应是β衰变
此方程式裂变反应式
据中国科技报报道我国自行设计研制的世界第一套全超导核聚变实验装置又称为人造太阳已经完成了首次工程调试
“人造太阳"的核反应方程是
“人造太阳”的核反应过程中一定发生质量亏损,该过程释放的核能可以用ΔE=Δmc
2
来计算
“人造太阳”的核反应方程是
“人造太阳"的核反应必须在极高温度下,使参与核反应的原子核间的距离接近到10
-15
米的范围以内才能够发生
对于以下核反应方程说法正确的是ks5u①②③④
①是发现中子的核反应方程
②是核聚变方程
③是核裂变方程,其中x=9
④是α衰变方程
太阳内部持续不断地发生着热核反应质量减少核反应方程是这个核反应释放出大量核能已知质子氦核X.的质量分
方程中的X.表示中子(
)
方程中的X.表示电子(
)
这个核反应中质量亏损Δm=4m
1
-m
2
这个核反应中释放的核能ΔE.=(4m
1
-m
2
-2m
3
)c
2
关于核反应方程以下说法中正确的是
X.是
,该核反应属于聚变
X.是
,该核反应属于裂变
X.是
,该反应中的核燃料是当前核电站采用的核燃料
X.是
,该反应中的核燃料是当前核电站采用的核燃料
关于核反应方程8234Se→8236Kr+2x下列说法正确的是
此反应是β衰变
x没有质量
x是α粒子
此方程式裂变反应式
据中国科技报报道我国自行设计研制的世界第一套全超导核聚变实验装置又称为人造太阳已经完成了首次工程调试
“人造太阳"的核反应方程是
“人造太阳”的核反应过程中一定发生质量亏损,该过程释放的核能可以用ΔE=Δmc
2
来计算
“人造太阳”的核反应方程是
“人造太阳"的核反应必须在极高温度下,使参与核反应的原子核间的距离接近到10
-15
米的范围以内才能够发生
据新华社报道由我国自行设计研制的世界第一套全超导核聚变实验装置又称人造太阳已完成了首次工程调试下列关
“人造太阳”的核反应方程式是
“人造太阳”的核反应方程式是
根据公式
可知,核燃料的质量相同时,聚变反应释放的能量比裂变反应大得多
根据公式
可知,核燃料的质量相同时,聚变反应释放的能量与裂变反应释放的能量相同
平衡核反应方程式U+®Sr+Xe+10n反应堆中石墨起的作用镉棒起的作用.
用α粒子轰击氩40时产生一个中子和一个新的核这个新的核是________核反应方程是________
首次用实验验证爱因斯坦质能方程的核反应方程是已知mLi=7.0160umH.=1.0078umHe=
2和0.0186u
2和1.9970u
1和4.0212u
1和2.0056u
科学家发现了质子其核反应方程为科学家发现了中子其核反应方程为科学家第一次用人工方法获得放射性同位素
热门试题
更多
Huntersaroundthefoxhadnowheretohidehimself. A.search B.searching C.searched D.havingsearched
EuropeansshouldtrytostayindoorsifashfromIceland'svolcanostartssettlingtheWorldHealthOrganizationwarnedFridayassmallamountsfellinIcelandScotlandandNorway. WHOspokesmanDanielEpsteinsaidthemicroscopic微小的ashispotentiallydangerousforpeoplewhenitstartstoreachtheEarthbecauseinhaled吸入particlescanenterthelungsandcauserespiratoryproblems.AndhealsosaidEuropeanswhogooutsidemightwanttoconsiderwearingamask. Otherexpertshoweverweren'tconvincedthevolcanicashwouldhaveamajoreffectonpeoples'healthandsaidWHO'swarningswerehysterical.Theysaidvolcanicashwasmuchlessdangerousthancigarettesmokeorpollution.Volcanicashismadeoffineparticlesoffragmentedvolcanicrock.Itislightgraytoblackandcanbeasfineastalcumpowder.Duringavolcaniceruptiontheashcanbebreatheddeepintothelungsandcauseirritationeveninhealthypeople.Butonceitfallsfromagreaterdistance﹣likefromthecloudcurrentlyhoveringaboveEurope﹣itshealtheffectsareoftenminimalexpertssay. NotallparticlesarecreatedequalsaidKenDonaldsonaprofessorofrespiratorytoxicologyattheUniversityofEdinburghInthegreatschemeofthingsvolcanicashisnotallthatharmful.AndhesaidmostEuropeans'exposuretovolcanicashwouldbenegligibleandthatonlythoseintheneardistrictsoftheIcelandicvolcanowouldlikelybeatrisk. Dr.StephenSpiroaprofessorofrespiratorymedicineanddeputychairoftheBritishLungFoundationsaidthefurthertheparticlestravelthelessdangeroustheywillbe.ThecloudhasalreadypassedovernorthernScotlandandwehaven'theardofanyilleffectstherehesaid.Spirosaidtowearmasksorstayindoorstoavoidvolcanicashwasoverthetopandabithysterical. 13.Thetextismainlyabout. A.theeffectofvolcanicash B.thehealthriskofvolcanicash C.thedisadvantagesofvolcanicash D.theopinionsonhealthriskofvolcanicash 14.WhichoneistrueaccordingtoParagraph3? A.Thevolcanicash'seffectsonEuropeanswerelittle. B.Theashcausedirritationeveninhealthypeople. C.OtherexpertsthoughtWTO'Swarningswereuseful. D.Thevolcanicashwasmoredangerousthancigarettesmokeorpollution. 15.Whatcanwelearnfromthepassage? A.Thevolcanicashwouldn'tbeharmfultopeople. B.Allexpertsthoughtthevolcanicashdidgreatharmtoourhealth. C.Peopleclosetothevolcanowouldlikelybeatriskaccordingtosomeexperts. D.EuropeansshouldstayindoorsbecauseIceland'svolcanostartssettling.
Ifyouwanttokeepfityoumusthaveabdiet.Itreferstosomethingispleasingorusefulforitsdifferentpartsorelementsareinthecorrectproportions.
6分ThatMondaymorningfeelingcouldbeacrushingpaininthechestwhichleavesyousweatingandgaspingforbreath气喘吁吁.RecentresearchfromGermanyandItalyshowsthatheartattacksaremorecommononMondaymorningsanddoctorsblamethestressofreturningtoworkaftertheweekendbreak. Theriskofhavingaheartattackonanygivendayshouldbeoneinsevenbutasix﹣yearstudyhelpedbyresearchersattheFreeUniversityofBerlinofmorethan2600Germansshowedthattheaveragepersonhada20percenthigherchanceofhavingaheartattackonaMondaythanonanyotherday. WorkingGermansareparticularlynotprotectedagainstattackwitha33percenthigherriskatthebeginningoftheworkingweek.Non﹣workersbycomparisonappeartobenomoreatriskonaMondaythananyotherday. Astudyof11000Italiansproved8a.m.onaMondaymorningasthemoststressfultimefortheheartandbothstudiesshowedthatSundayistheleaststressfuldaywithfewestheartattacksinbothcountries. ThefindingcouldleadtoabetterunderstandingofwhatistheimmediatecauseofheartattacksaccordingtoDrStefanWillichoftheFreeUniversity.Weknowalotaboutlong﹣termriskfactorssuchassmokingandcholesterol胆固醇butwedon'tknowwhatactuallycausesheartattackssowecan'tgiveclearadviceonhowtopreventthemhesaid. Mondaymorningshaveadoublehelpingofstressfortheworkingbodyasitmakesarapidchangefromsleeptoactivityandfromtherelaxingweekendtothepressuresofwork. Whenpeoplegetuptheirbloodpressureandheartrategoupandtherearehormonal内分泌changesintheirbodiesWillichexplained.A1thesethingscanhaveanunfavorableeffectinthebloodsystemandincreasetheriskofaclot血凝块whichwillcauseaheartattack. Whenpeoplereturntoworkafteraweekendoffthepaceoftheirlifechanges.TheyhaveahigherworkloadmorestressmoreangerandmorephysicalactivitiessaidWillich. 32.Mondaymorningfeelingasthispassageshows. A.isnotasseriousaspeoplethought B.isthefirttkillerinGermanyandItaly C.iscreatedbyresearchersinGermanyandItaly D.isharmfultoworkingpeopleinthecountriessurveyed 33.Toprotectpeoplefromaheartattackdoctorshavepaidmuchattentionto. A.people'sworkingtime B.people'slivingplace C.people'sdietandlifestyle D.people'snationalities 34.ItcanbelearnedfromthispassagethattheheartattackhassomethingtodowithallthefollowingEXCEPT. A.bloodpressure B.heartrate C.hormonalchanges D.bloodtype 35.IftheresearchersgiveussomeadvicetoavoidMondaymorningfeelingwhatmightitbe? A.Improveworkingconditions. B.NevergotoworkonMondays. C.StaywithadoctoronMondays. D.TakemedicinesonMondaymornings.
Jackisagoodteacherandhehasmuchpwiththeslowerpupils.Itreferstopersoncanbeabletostaycalmandnotgetannoyed
Whendifferentculturesweoftenpayattentiononlytothedifferenceswithoutnoticingthemanysimilarities. A.compared B.beingcompared C.comparing D.havingcompared
15分Chessiscalledthegameofking.Itisatwo﹣playergame.Oneplayerusesthewhitepieces.The61usestheblackpieces.Eachpiecemovesinaspecialway.Onepieceisnamedtheking.Eachplayerhasone.Theplayerstaketurns62movetheirpieces.Ifaplayerlandsonapieceheorshetakesit.Thegameendswhenaplayerloseshisorherking.Thereareafewmore63rulebutthosearethebasics. Somepeoplethinkthatchessis64thanagame.Theythinkthatitmakesthemindstronger.Goodchessplayersusetheirbrains.Theythinkabout65willhappennext.Theseskillsarevery66useinlifeandinchess.Chessiskindoflikeaworkoutforthemind. Chessisnotjustforpeople.Computers67playchesssincethe1970s.atfirsttheymademistakes.Astimeswent68theygrewstronger.In1997acomputerbeat69bestplayerintheworldforthefirsttime.Itwasacomputer70callDeepBlue.Chesssurehascomealongway.Don'tyouthinkso? 61. 62. 63. 64. 65. 66. 67. 68. 69. 70.
In1989an8.2earthquakealmostflattedAmericakillingover30000peopleinlessthanfourminutes.Inthemiddleofcompletedamageanddisorderafatherrushedtotheschoolwherehissonwassupposedtobe21thatthebuildingwas22.Aftertheshockhe23thepromisehehadmadetohissonNomatter24I'llalwaysbethereforyou!Andtearsbeganto25hiseyes.Ashelookedatthepileofruinsitlookedhopelessbuthekeptrememberinghis26tohisson.Herushedthereandstarted27theruins. Ashewasdiggingotherhelplessparentsarrived28It'stoolate!They'vealldead!29facereality!There'snothingyoucando!Toeachparentheparentherespondedwith30Areyougoingtohelpmenow?Noonehelped.Andthenhecontinuedtodigforhissonstonebystone. Courageouslyhewentonalonebecauseheneededtoknow31Ismyboy32orishedead?Hedugforeighthours…12hours…24hours…36hours…Thenin33hourhepulledbackalargestoneandheardhisson's34.Hescreamedhisson'snameARMAND!HeheardbackDad!?!It'smeDad!Itoldtheotherkidsnottoworry.Itoldthemthatifyouwerealiveyou35meand36yousavedmethey'dbesaved.Youpromised‘NomatterwhathappensI'llalwaysbethereforyou!'YoudiditDad! What‘sgoingoninthere?thefatherasked. Thereare14ofus373833Dad.We'rescaredhungrythirstyandthankfulyou'rehere.Whenthebuildingcollapseditmade39anditsavedus. Comeoutboy! NoDad!Lettheotherkidsoutfirst40Iknowyou'llgetme!NomatterwhathappensIknowyou'llalwaysbethereforme! 21.A.onlydiscovering B.onlytodiscover C.onlyrealizing D.onlytorealize 22.A.asflatasapancake B.ashighasamountain C.asstrongasanox D.asweakasakitten 23.A.memorized B.forgot C.kept D.remembered 24.A.whathappens B.whathappen C.which D.who 25.A.fill B.fillin C.come D.burst 26.A.picture B.promise C.present D.encourage 27.A.digging B.diggingthrough C.diggingout D.digginginto 28.A.tosay B.said C.andsaying D.saying 29.A.Comeout B.Comeagain C.Comeon D.Comeoff 30.A.onenoise B.onesound C.onerow D.oneline 31.A.forhimself B.ofhimself C.byhimself D.tohimself 32.A.live B.livable C.alive D.lively 33.A.38 B.the38 C.38th D.the38th 34.A.sound B.voice C.noise D.tone 35.A.willsave B.wouldsave C.save D.wouldhavesaved 36.A.when B.because C.evenif D.though 37.A.remained B.missing C.left D.gone 38.A.for B.behind C.outof D.over 39.A.apromise B.space C.room D.atriangle 40.A.because B.though C.when D.eventhough
8分Researchersmayhavediscoveredaperfectmaterialofdieting﹣lowfatcakeandcheese.Britishresearcherssaytheyhavecreatedaprotein蛋白质thatcanreplacefatperfectly. Theproteinswillenablefoodproducerstoremovemuchofthefatusedintheirproductsbutwithoutreducingproductquality. FundedbyteamfromUniversityofEdinburghtheresearchershaveproducedthemodified调整了的proteinsthateasilybreakdownandthereforeworknearlythesameasthefatsdoduringfoodproduction. We'vepavedthewayforthedevelopmentofmodifiedproteinsthatcanbeusedtoproduceawiderrangeofappealinglow﹣fatfoodssaidDr.SteveEustonwholedtheresearch.TheresultcouldbeimportantforhealthbenefitsaswellasareductionintheburdenontheNationalHealthServiceNHScausedbymanyweight﹣relatedhealthproblems. Protein﹣for﹣fatsubstitution替代品isnotacompletelynewideabuttodateithasbeenlimitedtoproductssuchasyogurts. Incheesesandcakesithasprovedlesssuccessfulinensuringtheoriginaltasteandtexturefundamentaltoconsumersatisfactionmainlybecauseproteinscouldnotmimicthebehavioroffatscloselyenough. Bystudyingtheproteins'chemicalstructuretheteamhasdevelopedadetailedunderstandingofhowproteinsbehavewhentheyareheatedorgothroughotherfoodproducingprocesses. Theproteinscouldencouragedevelopmentofawiderchoiceoflow﹣fatfoodshelpingconsumerstoeatmorehealthilyandreducingweight﹣relatedhealthproblems. Theteamhasachievedparticularlypromisingresultsinusingproteinstoreplaceeggswhichiscommonlyusedinbakeryitems. Suchsubstitutionnotonlycutsfatcontentbecauseeggscanbesubjecttosharpchangesinprice.Itcouldalsocutthecostproductsandsoencourageconsumerstoeatmorehealthily. 32.Whatcanwelearnfromthepassage? A.TheNHSwillbenefitfromthisnewfinding. B.Theresearchteamisfundedbyfoodproducers. C.Proteinforfatsubstitutionisacompletelynewidea. D.Productsofmodifiedproteinshavebeenputonsale. 33.Theunderlinedwordmimicmeans. A.reduceB.makeC.removeD.imitate模仿 34.Thesenewproteinsworknearlythesameasthefatsdobecause. A.theywillcutfatcontenteasily B.theywillbreakdowneasily C.theirproductsarecheaperandhealthier D.theyensuretheoriginaltasteandtexture 35.Whichofthefollowingisthebesttitle? A.ASpecialProtein B.HowProteinsWork C.CutDowntheFoodCost D.ASpecialResearchTeam.
4.5分SeaLifeMelbourneAquarium水族馆 Theall﹣newSeaLifeMelbourneAquariumsituatedintheheartofMelbourne'sCBDisoneofVictoria'sleadingvisitorattractionsandanunforgettableoutingforthewholefamily.Having12amazingzonesofdiscoverySeaLifeMelbourneAquariumistheveryplacethatyoucannotmisswhenyouvisitthecity. ♦OpeningTimes SeaLifeMelbourneAquariumisopenfrom930a.m.until600p.m.everydayoftheyearincludingpublicholidays.Lastadmissionisat500p.m.onehourbeforeclosing. ♦Location位置 SeaLifeMelbourneAquariumislocatedonthecornerofFlindersStreetandKingStreetMelbourne.ItissituatedontheYarraRiveroppositeCrownEntertainmentComplex. ♦GettingtoSeaLifeMelbourneAquarium Train SeaLifeMelbourneAquarium/ashortwalkfromeitherFlindersorSouthernCrosstrainstations. Tram有轨电车 TheSeaLifeMelbourneAquariumtramstopislocatedonthefreeCityCircleTramroute公交线路andalsoroutes70and75.CityCircleTramsrunevery10minutesinbothdirections. ShuttleBusTheMelbourneCityTouristShuttleisafreebusservicestoppingatkeytouristattractionsinandaroundtheCity.Runningdailyevery15minutesfrom1000a.m.to400p.m. ♦CarParking WhilethereisnopubliccarparkingatSeaLifeMelbourneAquariumthereareseveralpubliccarparkinglotsavailableonlyashortwalkaway. ♦WheelchairAccess SeaLifeMelbourneAquariumprovidespeopleinwheelchairswithfullaccesstoall12zones.Eachflooralsohaswheelchairaccessibletoilets. ♦Terms Ticketswillbeemailedtoyouimmediatelyafterpurchaseoryoucandownloadandprintyourticketsoncepaymenthasbeenaccepted.PleaseprintallticketspurchasedandpresentatthefrontentranceofSeaLifeMelbourneAquarium.Noticketnoentry! 25.SeaLifeMelbourneAquarium. A.islocatedatthecenteroftheCBDinthecity B.has12mostattractiveplacesinMelbourne C.admitsvisitorsfrom930a.m.until600p.m. D.isbesideCrownEntertainmentComplex 26.GettingtoSeaLifeMelbourneAquariumvisitorscantake. A.trainsfromSouthernCrosstrainstation B.shuttlebusesaroundthetrainstation C.boatsacrosstheYarraRiver D.eithertramroute70or75 27.SeaLifeMelbourneAquariumoffersvisitors. A.freecarparking B.wheelchairaccess C.Internetconnection D.transportationservice.
动身爆炸.
Letmeknowthedateandtimeofyoura.Someonegetstosomeplace
iswell﹣knownthattheearthmovesaroundthesun. A.It B.that C.which D.how
10分Therearesomeverygoodthingsaboutopeneducation.Thiswayofteachingallowsthestudentstodeveloptheirowninterestsinmanysubjects.Openeducationallowsstudentstoberesponsiblefortheirowneducation.Somestudentsdobadlyintraditionalclassrooms.Theopenclassroommayallowthemtoenjoylearning.36Theywillnothavetoworryaboutgradesorrules.37Forsomestudentstherearetoofewrules.Thesestudentswilldolittleinschool.Theywillnotmakegooduseofopeneducationwhichissodifferentfromtraditionaleducation.Thesestudentsmayhaveaproblemofgettingusedtomakingsomanychoices.38Theyworryabouttherulesevenwhentherearenorules.Evenafewruleswillhelpthiskindofstudents.Thelastpointaboutopeneducationisthatsometraditionalteachersdonotlikeit.39Teacherswhowanttohaveanopenclassroommayhavemanyproblemsattheirschool. Younowknowwhatopeneducationis.Someofitsgoodpointsandbadpointshavebeenexplained.Youmayhaveyourownopinionaboutopeneducation.Thewriterthinksthatopeneducationisagoodideabutonlyintheory.40Ibelievethatmoststudentsbutofcoursenotallstudentswantsomestructureintheirclasses.Theywantandneedtohavesomerules.Insomecasestheymustbemadetostudysomesubjects.Manystudentsarepleasedtofindsubjectstheyhavetostudyinteresting.Theywouldnotstudythosesubjectsiftheydidnothaveto. A.Manyteachersdonotbelieveinopeneducation B.Openeducationisbetterthantraditionaleducation. C.Butmanystudentswillnotdowellinanopenclassroom D.Somestudentswillbehappierinanopeneducationschool E.Theteachers'feelingandattitudesareimportanttothestudents. F.Infactitmaynotworkverywellinarealclassorclass G.Formanystudentsitisimportanttohavesomerulesintheclassroom. 36. 37. 38. 39. 40.
25分最新调查指出人际关系正越来越被人机关系所取代甚至有网友调侃世界上最远的距离是我在你面前而你在低头看手机.根据以下要点用英语写一篇短文给21世纪英文报投稿. 1.描述这一现象2.分析其原因及弊端3.你认为该如何改变现状 注意1.词数120左右2.可适当增加细节使行文连贯.
8分ThereisnoquestionthatfewerteenagersareontheroadsintheUS. In197850%of16﹣year﹣oldshadgottheirfirstdrivinglicence.In2008accordingtotheUSTransportationDepartmentitwasjust30%.Thenumberofthoseaged19andunderwithdrivinglicenceshasalsobeendecliningsince1978when11989000hadlicence.In2010itwas9932441or4.1%ofAmericandrivers. IntheUK683273teenagershavedrivinglicences﹣just1.85%oftotallicenceholdersaccordingtoDepartmentofTransportfiguresfromSeptember2010. ButthedeclineintheUSmayhavemoretodowithtoughertestsandtheintroductionofthenewruleinmanystateswhichforcedriversagedunder16tobeaccompaniedbylicenseddriversof21yearsandolderwhendrivingthanthegrowthofsocialnetworking. InrecentyearstheannualnumberofjourneysbeingmadebyAmericandriversofallageshasdeclinedclearlyforthefirsttimeever.Carusebeganfallingin2007whenaveragepetrolpricesalmostdoubledto$4.12agallonandtheeconomybecameworse. ButtherearesignsthatAmericanremainsacountryonwheels.Ithasahighernumberofcarsperheadofpopulationthananyothercountryintheworld. CarswillalwaysbeapopularmeansoftransportationinAmerica.Youhavetotakeintoconsiderationsomeplacesdon'thaveaccesstopublictransportation.CarsaretheonlywaysomepeoplecangetaroundsaysKristinNevels.Thismakesdrivingnecessaryinsomeruralstateswhereabouttwiceasmanyteenagersareontheroadthaninbigcities. 29.Whatwouldbethebesttitleforthetext? A.DrivingintheUS. B.TransportationintheUS. C.USTeenagersDriveLess. D.PeopleLikeCarsintheUS. 30.whichofthefollowingisnotthereasonwhycarsareusedlessthanbefore? A.trafficjams B.hardertests C.expensivepetrol D.worsteconomy 31.WecanlearnfromthelastparagraphthatKristinNevels. A.doubtsthepopularityofthecaruseinthefuture. B.thinksAmericanpeoplecanlivewithoutcars. C.holdsconfidentattitudetothecars'useinAmerica. D.believesAmericashouldbuildupitspublictransportation. 32.Whatcanbeinferredfromthetext? A.TheUKhasmoreteenagerdriversthantheUS. B.A15﹣year﹣oldboycannotdrivealoneintheUS. C.TheUShasverydevelopedbustransportationsystem. D.BigcitieshavemoreteenagerdriversthanruralareasintheUS.
假如你是王平几天前你和你的好朋友__在组织班级活动时因意见不一致发生了争吵当时你的态度非常粗鲁言语很伤人结果__不再理你了.现在你非常愧疚.请你给__写一封信以表达你的歉意请求他的原谅并表达继续保持友谊的愿望. 注意1.内容可以适当发挥注意行文连贯 2.开头和结尾已给出不计入总词数. DearLiQiang Iamwritingto Yourssincerely WangPing.
25分假定你是李华你校下周日将举行为爱奔跑RunforLove公益活动旨在为贫困地区的学生和残疾儿童募捐.请给外教海伦写封电子邮件邀她一起参加要点如下 1.活动的时间地点及目的 2.活动内容跑步捐款等 注意1.词数100左右2.开头结尾已为你写好 DearHelen I'liketoinviteyoutojoinusfortheRunforLove. Lookingforwardtoyourreply. Yours LiHua.
Hemadeasuggestionthatyouassoonaspossible. A.quitsmoking B.quittedsmoking C.mustquitsmoking D.hadquittedsmoking
15分Doyoueverstopandthinkaboutthisbigbeautifulworldwelivein?It'shome61somanypeopleandanimals.Weallliveinthisamazingplacesoweallhavethe62responsibletotakecareofittoo. AlongtimeagoIstartedthinkingaboutwhatIcoulddotohelptakecareoftheplanet.1wondered63Icouldusemytalentsforever.Ilovecreatingwebsitesandmakingartanddesigningclothes.That'swhat64inspiremeatage8tostartanonlinecompany.Igavepartofmyprofits利润toorganizations65trytheirbesttosaveourenvironment.AfterIlaunchedmybusinessIstartedgetting66invitetogivepresentationstoyoungpeopleaboutmycompanyandtheenvironment.Ialsotalkaboutsomethingelsethat67bemeaningful. OnethingI'velearnedisthatalotofpeoplethink68smallcontributiontoanycauseisjustadropinthebucket桶andwon'tmakeadifference.Butthat'snottrue!69actualwhenitcomestosavingourenvironmenteverysmallactioncounts.The70smallthingisbetterthanthegreatestintention. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70.
﹣﹣﹣Thedoorisopen.SomeonehavecomeinwhileIwasout. ﹣﹣﹣Really?Youcallthepoliceimmediately. A.mightmust B.canneed C.mustmust D.mustcan
谋生.
8分Youwakeupinthemorningthedayisbeautifulandtheplansforthedayarewhatyouhavebeenlookingforwardtoforalongtime.Thenthetelephoneringsyousayhelloandthedramastarts.Thepersonontheotherendhasadepressingtoneinhisvoiceashestartstotellyouhowterriblehismorningisandthatthereisnothingtolookforwardto.Youarestillinawonderfulmood?Impossible! Communicatingwithnegativepeoplecanwashoutyourhappiness.Itmaynotchangewhatyouthinkbutcommunicatinglongenoughwiththemwillmakeyoufeeldepressedforamomentoralongtime.Lifebringsupsanddownsbutsomepeoplearestuckinthewrongideathatlifehasnohappinesstooffer.Theyonlyfeelgladwhentheymakeothersfeelbad.Nowondertheycanhardlywinothers'pityorrespect.Whenyoucommunicatewithpositivepeopleyourspiritstayshappyandthereforemorepositivethingsareattracted.Whenthedagger匕首ofanegativepersonisputinyouyoufeeltheheavyfeelingthatallinallbringsyoudown. Sometimeswehavenochoicebuttocommunicatewithnegativepeople.Thiscouldbeaco﹣workerorarelative.Inthiscasesaywhatneedstobesaidaslittleaspossible.Sometimesitfeelsgoodtoletoutyourangerbacktothenegativepersonbutallthisistoloweryoutothatsamenegativelevelandtheywon'tfeelashamedofthemselvesaboutthat. Negativityoftenaffectshappinesswithoutevenbeingrealized.Thenegativewordsofanotheratthestartofthedaycanclingto附着youthroughouttherestofyourdaywhichmakesyoufeelbadandstealsyourhappiness.Lifeistooshorttofeelnegative.Staypositiveandavoidnegativityasmuchaspossible. 21.Thepurposeofthefirstparagraphisto. A.makeacomparison B.offeranevidence C.introduceatopic D.describeadailyscene 22.Howcannegativepeoplehaveeffectonus? A.Bychangingourwaysofthinking B.Bytellingusthenatureoflife C.Byinfluencingouremotion D.Bycomparingtheirattitudestolifewithours 23.Somenegativepeoplebasetheirhappinesson. A.otherpeople'srespectforthem B.otherpeople'spityforthem C.buildingupapositiveattitude D.makingotherpeopleunhappy 24.Accordingtothepassagetoreducenegativepeople'sinfluenceonusweareadvisedto. A.showourdissatisfactiontonegativepeople B.communicatewithnegativepeopleaslittleaspossible C.changenegativepeople'sattitudestolife D.makenegativepeoplefeelashamedofthemselves.
HarrywaspthatNicholasdidn'tseemtorecognizehim. Itmeansyoudon'tunderstanditorfeelconfused
Wefinallyboughtahousemabouttwelvefeetbyfifteenfeet.Itreferstothingscanbeexpressedinnumberssuchasthelengthorwidth
感到高兴振奋.
8分Usuallywhenyourteacherasksaquestionthereisonlyonecorrectanswer.Butthereisonequestionthathasmillionsofcurrentanswers.ThatquestionisWhat'syourname?Everyonegivesadifferentanswerbuteveryoneiscorrect. Haveyoueverwonderedaboutpeople'snames?Wheredotheycomefrom?Whatdotheymean? People'sfirstnamesorgivennamesarechosenbytheirparents.Sometimesthenameofagrandparentorothermemberofthefamilyisused.Someparentschoosethenameofawell﹣knownperson.AboycouldbenamedGeorgeWashingtonSmithagirlcouldbenamedHelenKellerJones. Somepeoplegivetheirchildrennamesthatmeangoodthings.ClarameansbrightBeatricemeansonewhogiveshappinessDonaldmeansworldrulerLeonardmeansasbraveasalion. Theearliestlastnamesorsurnamesweretakenfromplacenames.AfamilywiththenameBrookorBrooksprobablylivednearbrook小溪SomeonewhowascalledLongstreetprobablylivedonalongpavedroad.TheGreenwoodfamilylivedinornearaleafyforest. Otherearlysurnamescamefrompeople'soccupations.ThemostcommonoccupationalnameisSmithwhichmeansapersonwhomakesthingswithironorothermetals.Inthepastsmithswereveryimportantworkersineverytownandvillage.SomeotheroccupationalnamesareCarter﹣apersonwhoownedordroveacartPotter﹣apersonwhomadepotsandpans. TheancestorsoftheBakerfamilyprobablybakedbreadfortheirneighborsintheirnativevillage.TheCarpenter'sgreat﹣great﹣great﹣grandfatherprobablybuilthousesandfurniture. Sometimespeoplewereknownforthecoloroftheirhairorskinortheirsizeortheirspecialabilities.WhenthereweretwomenwhowerenamedJohninthesamevillagetheJohnwiththegrayhairprobablybecameJohnGray.OrtheJohnwhowasverytallcouldcallhimselfJohnTallman.JohnFishwasprobablyanexcellentswimmerandJohnLightfootwasprobablyafastrunneroragooddancer. Somefamilynamesweremadebyaddingsomethingtothefather'sname.English﹣speakingpeopleadded﹣sor﹣son.TheJohnsonsaredescendantsofJohntheRobertsfamily'sancestorwasRobert.IrishandScottishpeopleaddedMacorMcorO.PerhapsalloftheMacDonnellsandtheMcDonnellsandtheO'DonnellsaredescendantsofthesameDonnell. 24.WhichofthefollowingaspectsdothesurnamesinthepassageNOTcover? A.Placeswherepeoplelived. B.People'sstatus. C.Talentsthatpeoplepossessed. D.People'soccupations. 25.AccordingtothepassagetheancestorsoftheCarpenterfamilymostprobably. A.ownedordroveacart B.madethingswithmetals C.madekitchentoolsorcontainers D.builthousesandfurniture 26.SupposeanEnglishcouplewhoseancestorslivednearaleafyforestwantedtheirnew﹣bornsontobecomeaworldleaderthebabymightbenamed. A.BeatriceSmith B.LeonardCarter C.GeorgeLongstreet D.DonaldGreenwood 27.Theunderlinedworddescendantsinthelastparagraphmeansaperson's. A.latergenerations B.friendsandrelatives C.colleaguesandpartners D.latersponsors.
WhenIlivedinSpainsomeSpanishfriendsofminedecidedtovisitEnglandbycar.Beforetheylefttheyaskedmeforadviceabouthowtofindaccommodation住所.Isuggestedthattheyshouldstayat‘bedandbreakfast'housesbecausethiskindofaccommodationgivesaforeignvisitoragoodchancetospeakEnglishwiththefamily.Myfriendslistenedtomyadvicebuttheycamebackwithsomefunnystories. Wedidn'tstayatbedandbreakfasthousestheysaidbecausewefoundthatmostfamilieswereawayonholiday. Ithoughtthiswasstrange.FinallyIunderstoodwhathadhappened.MyfriendsspokelittleEnglishandtheythought‘VACANCIES'meant‘holidays'becausetheSpanishwordfor‘holidaysis‘vacancies'.Sotheydidnotgotohousewherethesignoutsidesaid‘VACANCLES'whichinEnglishmeanstherearefreerooms.Thenmyfriendswenttohousewherethesignsaid‘NOVACANCLES'becausetheythoughtthismeantthepeoplewhoownedthehousewerenotawayonholiday.Buttheyfoundthatthesehouseswereallfull.Asaresulttheystayedathotels! Welaughedaboutthisandaboutmistakesmyfriendsmadeinreadingothersigns.InSpanishtheword‘DIVERSION'meansfun.InEnglishitmeansthatworkmenarerepairingtheroadandthatyoumusttakeadifferentroad.Whenmyfriendssawtheword‘DIVERSION'onaroadsigntheythoughttheyweregoingtohavefun.Insteadtheroadendedinalargehold. Englishpeoplehaveproblemstoowhentheylearnforeignlanguages.OnceinParis.WhensomeoneofferedmesomemorecoffeeIsaid‘Thankyou'inFrench.ImeantthatIwouldlikesomemoreHowevertomysurprisethecoffeepotwastakenaway!LaterIfoundoutthat‘Thankyou'inFrenchmeans‘Nothankyou.' 5.MySpanishfriendswantedadviceabout. A.learningEnglish B.findingplacestostayinEngland C.drivingtheircaronEnglishroads D.goingtoEnglandbycar 6.Isuggestedthattheystayatbedandbreakfasthousesbecause. A.theywouldbeabletopracticetheirEnglish B.itwouldbemuchcheaperthanstayinginhotels C.itwouldbeconvenientforthemtohavedinner D.therewouldbenoproblemaboutfindingaccommodationthere 7.NOVACANCIESinEnglishmeans. A.nofreerooms B.freerooms C.notawayonholiday D.holidays 8.WhensomeoneofferedmemorecoffeeandIsaid‘Thankyou'inFrenchI. Adidn'treallywantanymorecoffee B.wantedthemtotakethecoffeepotaway C.reallywantedsomemorecoffee D.wantedtoexpressmypoliteness.
冒险.
对…有天赋.
热门题库
更多
高三下学期物理
高三上学期物理
高三上学期生物
高三上学期化学
高二下学期化学
高二下学期生物
高三下学期生物
高三下学期化学
高三上学期英语
高二下学期英语
教案备课库
高三下学期英语
教案备课库
教案备课库
教案备课库
教案备课库