首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
设函数f(x)=|2x+2|﹣|x﹣2|. (1)求不等式f(x)>2的解集; (2)x∈R,f(x)≥t2﹣t恒成立,求实数t的取值范围.
查看本题答案
包含此试题的试卷
高三下学期数学《》真题及答案
点击查看
你可能感兴趣的试题
设函数fx=|x-a|+3x其中a>0.1当a=1时求不等式fx≥3x+2的解集2若不等式fx≤0的
设fx为奇函数且当x>0时fx=logx.1求当x
选修4—5不等式选讲 已知函数fx=∣2x-a∣+a I当a=2时求不等式fx≤6的解集 II设函
已知函数fx=|2x-a|+a I当a=2时求不等式fx≤6的解集 II设函数gx=|2x-1|当
设函数fx=|3x-1|+x+2.1解不等式fx≤32若不等式fx>a的解集为R求a的取值范围.
设函数fx=|x+2|﹣|x﹣1|.1求不等式fx>1解集2若关于x的不等式fx+4≥|1﹣2m|有
设函数fx的定义域为-33满足f-x=-fx且对任意xy都有fx-fy=fx-y当x0f1=-2.1
设函数fx=|x﹣1|+|x﹣a|1若a=﹣1解不等式fx≥32如果x∈Rfx≥2求a的取值范围.
设函数fx=|x-a|+2x其中a>0.1当a=2时求不等式fx≥2x+1的解集2若x∈-2+∞时恒
设函数fx=x+ax2+blnx曲线y=fx过点P.10且在P.点处的切线斜率为2.1求ab的值2设
已知函数fx=|2x-1|+|2x+a|gx=x+3.1当a=-2时求不等式fx-1时且当x∈时fx
设函数fx=|x+1|-|x-2|.1求不等式fx≥2的解集2若不等式fx≤|a-2|的解集为R.求
设函数fx=1-|2x-3|.1求不等式fx≥3x+1的解集2若不等式fx-mx≥0的解集非空求m的
已知函数fx=|x﹣1|+|x+1|﹣2.1求不等式fx≥1的解集2若关于x的不等式fx≥a2﹣a﹣
设函数fx=|x-a|+3x其中a>0.1当a=1时求不等式fx≥3x+2的解集2若不等式fx≤0的
设fx为奇函数其定义域为-∞0∪0+∞且当x>0时fx=logx.1求当x
.设二次函数fx=ax2﹣b﹣5x﹣a﹣ab不等式fx>0的解集是﹣42.1求fx2当函数fx的定义
设函数fx=|x﹣a|+3x其中a>0.1当a=1时求不等式fx>3x+2的解集2若不等式fx≤0的
已知函数fx=|2x-1|+|2x+a|gx=x+3.1当a=-2时求不等式fx<gx的解集2设a>
选修4-5不等式选讲设函数fx=|2x+1|-|x-4|.Ⅰ解不等式fx>2Ⅱ求函数y=fx的最小值
热门试题
更多
假定英语课上老师要求同桌之间交换修改作文请你修改你同学写的以下作文.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:在缺词处加一个漏字符号∧并在其下面写出该加的词. 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. ChristopherourEnglishteacherwhoisfromEnglandandathisfifties.Heistallwithapairofglassonhisnose.Heisaniceteacher.Foronethingheisstrictwithusinourstudy.Foranothersheiskindtousall.Wehaveallformedfriendshipwithhim.Istillrememberadaywhenwefirstmet.Ifeelnervous.HesmiledatmesotoldmetotrytotalkwithhiminEnglish.What'smorehisteachingstyleisquitedifference.Inhisclasseshealwaysencouragesustothinkhardlyandstudyonourownwithhispatienthelp.Weareproudhavesuchagoodteacher.
A.Getinvolvedinstudentactivities B.Yourvoiceisactuallysuperimportant C.Thereisasignificantincreaseofopportunities D.Stayinactivecommunicationwithyourfriends E.Getsmartaboutthepeoplewhoyouspendyourtimewith F.Yourmajordoesnotmatterasmuchinyourfirstofcollege FiveThingsNobodyToldMeaboutCollege AsItypethisIaminmyuniversitydormroom.AyearagowhenIwasawaitingtoheartheresultsofmycollegeapplicationsIoftenwenttowebsitesforsometypeofinsiderlookonwhatcollegewouldbelike.Howeverthere'sonlysomuchthatprepbookswebsitesandolderfriendscanteach.Herearethetop5thingsnobodytoldmeaboutcollege: 61 Nobodyenteringauniversityknowsexactlywhattheywanttostudy.Iftheytellyouotherwisethey'relyingandwillprobablychangewhattheywanttopursewithinthefirstquarterofattendance.DuringmyfirstquarteratUniversityofCaliforniaRiversideUCRIthoughtthatIwantedtostudyPoliticalSciencewithitsfocusonInternationalAffairssothat'swhatIappliedfor.HoweveronceIworkedwithstatewideandlocalgovernmentIrealizedthatabetterfitformewouldbePublicPolicyandnowIamintheprocessofchangingmyarea. 62 Incollegetherearesomanygoodchancesforyoutomeetyourexpectations.Howeverthereisaveryimportantdifferencebetweenwantingtodosomethingandapplyingforsomething.Inorderforyoutotakeadvantageoftheconferencesresearchinternships实习andfellowshipsthatyouruniversityoffersapply!Stepintoyouracademicadvisor'sofficeintroduceyourselfandbeginmakingthevaluableconnectionsthatarenecessarytohelpduringtherestofyourcollegecareer.Greatthingshappenwhenyoustepoutofyourcomfortzoneandyouwouldbesurprisedonhowmanychancesexistifyoujustask. 63 Collegeiswhereyoumeetyourbirdesmaidsneighborsandpotentialbosses.Therelationshipsyoudevelopnowwillprobablybelinkedtotheonesyouvaluelatersohewiseaboutthepeoplewhoyouinvestyourselfin.Youareonlyonepersonandyoudonothavetimetowasteonpeoplewhowouldrathercausedramaormessupwithyourpurpose.Surroundyourselfwithupliftingindividualswhochallengeyoutobebetterwhilelovingyouforwhoyouareandbepatienttothepeoplewhoarethecompleteoppositeofthatdescription. 64 Asafirst﹣yearIwasafraidtomakeanynoisetowardscampusissuesthatInoticed.ItwasnotuntilIbecameinvolvedinstudentgovernmentthatIgainedtheconfidencetohandleprojectsthatIcreatedwiththehelpofASUCROfficeofthePresident.DuringmyfirstquarterIspokedirectlytotheChancellor校长askinghimforsupporttowardsmyinitiavives提议metwiththeViveChancellorsandcooreratedwithmyteachingassistancestobeginmyundergraduateresearchprotect.Nothinggoodwillhappenwhenyouaresilent. 65 Atmyhighschooltherewereaboutonlyfouractiveclubandorganizationsthatstudentscouldbeapartof.ImaginemysurprisewhenIsteppedfootontoUCR'scapuswhereover400organizationsexistrangingfrompoliticalorganizationstokarateclub.Youarenotpayingalloryourtuition学费tomerelygotoclassstudypasstestsandgraduate.Makesomethingworthyoutofyourexperience.Createthatyouwillwanttotellyourgrandchildrenoneday.Itallbeginsherebysigninguptojoinanorganization.
Inthisarticleyouneedtobackupgeneralstatementswithexamples. A.specific B.permanent C.abstract D.universal
IhavealwaysenjoyedalltheeventsyouorganizedandIhopetoattendinthecomingyears A.littlemore B.nomore C.muchmore D.manymore
Surf.School.Skateboard.Repeat.Whethershe'sridingwavesorgaining1downahalf﹣pipe9﹣year﹣oldSkyBrownis2herbestlife.TheJapannative3skateboardingwhenshewas3yearsoldafter4herdadonhisboard.Nowshe'stravelingtheworld5competitions. Myfavoritethingabout6isthewayitmakesme7likereallyhappyfreeandIcanflyandthereareno8Skysays.Thankstoher9Skyhashadtheopportunityto10allovertheworld.ShesaysthatAustraliaisoneofherfavoriteplaces. 11sheregularlyskateswithadiversemixof12attheparkandbecauseofherwonderfulskillsshehaswonmanyprizesSkystill13themeangirlteasing.At14oldergirlswouldbully欺负Sky15encouragingeachother﹣butshe16hercool.WhenI'matacompetitionIjustwanttoshowthemthatI'mnotababy.SinceIcanbe17IcandoanythingtooSkysays. Thistenacity韧劲isexactlywhatmakesSkyso18.She'sgothereyessetonambitious19likecompetingattheXGamesandthe2020TokyoOlympics. Don't20aboutwhatpeoplethinkjusthavefunSkysays.Doitbecauseyouloveit.You'rethereforyourself. 1A.power B.speed C.strength D.inspiration 2A.living B.making C.costing D.burying 3A.mastered B.disliked C.started D.understood 4A.hearing B.watching C.feeling D.judging 5A.entering B.keeping C.beating D.fighting 6A.jumping B.diving C.skateboarding D.riding 7A.wonder B.cry C.move D.feel 8A.choices B.limits C.challenges D.problems 9A.patience B.fortune C.practice D.skills 10A.travel B.wander C.study D.compete 11A.Once B.While C.Because D.If 12A.people B.coaches C.classmates D.fans 13A.fears B.avoids C.experiences D.escapes 14A.lunch B.work C.school D.competitions 15A.instead B.apartfrom C.ratherthan D.including 16A.leaves B.pretends C.protects D.keeps 17A.lucky B.strong C.smart D.hard﹣working 18A.intelligent B.special C.famous D.popular 19A.goals B.frameworks C.designs D.pictures 20A.bring B.complain C.care D.argue
TheworldisbecomingacruelerandcruelerplaceandDarwin'stheoryofSurvivaloftheFittestseemstobetruerthesedaysthaniteverwas.Everybodyischasinganunreachablegoalofmorepowerandmoremoney.Ifyoucan'tkeepupyouareleftaloneinthedark.Timehasbecomethemostvaluablethingandpeopleareprotectingtheirtimemorethananythingelse. Olderpeoplehavetimeandalifetimeofknowledgebuttheyounggenerationisviewingthemasaburdenthatcanaddverylittlevaluetotheirlives.Whileolderpeople'sphysicalabilitiesmightnotmatchthoseofyoungerpeopletheirknowledgeandyearsofexperienceareavaluablegifttothosewhoarepreparedtolisten. Inmostculturesthetreasurestheelderlysharearehighlyvaluedandpeopleusetheopportunitiestolearnvaluablelifelessons.InAncientGreeceakeypartofthewealthierteenageboy'seducationwasintheformofamentorship学艺withanelder.Theboywouldlearnbylisteningtotheeldertalkingaboutpoliticsassistinghiminperformingpublicdutiesandattendingmeetingswiththeelder.InAfricancultureseldersarealsoalwayshighlyvaluedandretirementhomesdon'texist.Whentheycouldn'tcareforthemselvesanymoretheirchildrenandfamilyareproudandprivilegedtoassistandprotectthemuntilthetimecomeswhentheypassaway. Howeverdisrespecthasbecomeaglobalproblem.Notjustdisrespectfortheelderlybutdisrespectingeneral.Culturalprideisbecominglessandlessimportant.Theelderlyareseenasold﹣fashionedandcompletelyoutofdatewiththemodernsociety. Youngmanpleaseslowdownyourstepsofmakingmoneyandlistentotheelderlywhocantellyousomeexperiencesthatyoumaymeetinourfuturelife.Respectthemandyouwillbenefitalot. 1Whichofthefollowingshouldbethebesttitleforthistext? A.ALostGeneration B.GivingRespectfortheElderly C.AnewSocialTrend D.Respectingeachother 2Whatcanweinferfromthistext? A.Theauthordisrespectstheelderlyverymuch. B.Theauthorisstillayoungman. C.Theauthordoesn'tthinkwelloftheyoung. D.Theauthorisasocialworker. 3TheauthormentionsAfricanculturesinthistextinorderto. A.provethattheoldarerespected B.praiseAfricancultures C.persuadetheyoungtorespectothers D.showknowledgeispower 4Whatisthestrengthofoldpeopleoveryoungpeople? A.Oldpeopleisphysicallystronger. B.Oldpeoplepreparemoregifts. C.Oldpeoplehavemoreexperience. D.Oldpeoplecanwinmatches.
设函数fx=lnx﹣x2+axa∈R. 1当a=1时讨论fx的单调性 2已知a≤1证明fx≤0.
Thatyoungmanishonestcooperativealwaystherewhenyouneedhishelp.he'sreliable. A.Orelse B.Inshort C.Bytheway D.Foronething
InmuchofAsiaespeciallytheso﹣calledricebowlculturesofChinaJapanKorea1Vietnamfoodisusuallyeatenwithchopsticks. Chopsticksareusuallytoolongthinpiecesofwoodorbamboo.Theycanalsobemadeofplasticanimalboneormetal.Sometimeschopsticksarequiteartistic.Trulyelegantchopsticksmight2makeofgoldandsilverwithChinesecharacters.Skilledworkersalsocombinevarioushardwoodsandmetal3createspecialdesigns. TheChinesehaveusedchopsticksforfivethousandyears.Peopleprobablycookedtheirfoodinlargepots4usetwigs树枝toremoveit.Overtime5thepopulationgrewpeoplebegancuttingfoodintosmallpiecessoitwouldcookmorequickly. Foodinsmallpiecescouldbeeateneasilywithtwigswhich6gradualturnedintochopsticks. SomepeoplethinkthatthegreatChinesescholarConfucius7livedfromroughly551to479B.C.influencedthe8developofchopsticks.Confuciusbelievedkniveswouldremindpeopleofkillingsand9betooviolentforuseatthetable. ChopsticksarenotusedeverywhereinAsia.InIndiaforexamplemostpeopletraditionallyeat10theirhands.
Wecanachievealotwhenwelearntoletourdifferencesuniteratherthanus. A.divide B.reject C.control D.abandon
DidyouhearwhathappenedtoAdamLastFriday?LindseywhiperstoTori. WithhereyesshiningToribragsYoubetIdidSeantoldmetwodaysago. WhoareLindseyandToritalkingabout?ItjusthappenstobeyourstrulyAdamFreedmamIcantellyouthatwhattheyaresayingisanotniceandbnoteventrue.StillLindseyandToriaren'tverydifferentfrommoststudentshereatLintonHigtSchoolincludingme.Manyofourconversationsaregossip闲话.Ihavenoticedthreeeffectsofgossip:itcanhurtpeopleitcangivegossipersastrangekindofsatisfactionanditcancausesocialpressuresinagroup. Animportantnegativeeffectofgossipisthatitcanhurtthepersonbeingtalkedabout.Usuallygossipspreadsinformationaboutatopic﹣breakupstroubleathomeevendroppingout﹣thatapersonwouldratherkeepsecret.Themoreembarrassingorshamefulthesecretisthejuicierthegossipitmakes.Probablytheworsttypeofgossipistheabsolutelie.Peopleoftenthinkofgossipersasharmlessbutcruelliescancausepain. Ifweknowthatgossipcanbeharmfulthenwhydosomanyofusdoit?Thtanswerliesinanothereffectofgossip:thesatisfactionitgivesus.Sharingthelatestrumor传言canmakeapersonfeelimportantbecauseheorsheknowssomethingthatothersdon't.Similarlyhearingthelatestrumorcanmakeapersonfeellikepartoftheingroup.Inotherwordsgossipissatisfyingbecauseitgivespeopleasenseofbelongingorevensuperiority优越感. Gossipalsocanhaveathirdeffect:itstrengthensunwrittenunspokenrulesabouthowpeopleshouldact.ProfessorDavidWilsonexplainsthatgossipisimportantinpolicingbehaviorsinagroup.TranslatedintohighschooltermsthismeansthatifeverybodyyouhangaroundwithislaughingatwhatJohnworeorwhatJanesaidthenyoucanbetthatwearingorsayingsomethingsimilarwillgetyouthesamekindofnegativeattention.Thedo'sanddon'tsconveyedthroughgossipwillnevershowupinanystudenthandbook. Theeffectsofgossipvarydependingonthesituation.Thenexttimeyoufeeltheurgetospreadthelatestnewsthingaboutwhyyouwanttogossipandwhateffectsyourjuicystorymighthave. 41.Theauthorusesaconversationatthebeginningofthepassaheto. A.introduceatopic B.presentanargument C.describethecharacters D.clarifyhiswritingpurpose 42.Animportantnegativeeffectsofgossipisthatit. A.breaksuprelationships B.embarrassesthelistener C.spreadsinformationaround D.causesunpleasantexperiences 43.Intheauther'sopinionmanypeopleliketogossipbecauseit. A.givesthemafeelingofpleasure B.helpsthemtomakemorefriends C.makesthembetterattellingstories D.enablesthemtomeetimportantpeople 44.ProfessorDavidWilsonthinksthatgossipcan. A.providestudentswithwrittenrules B.helppeoplewatchtheirownbehaviors C.forceschooltoimpovestudenthandbooks D.attractthepolice'sattentiontogroupbehaviors 45.Whatadvicedoestheauthorgiveinthepassage? A.Neverbecomeagossiper B.Stayawayfromgossipers C.Don'tletgossipturnintolies D.Thinktwicebeforeyougossip.
Planningisgoodbutdoingisbetter是一句英国名言.请以此为题目用英语写一篇100﹣120词的短文. 要求如下: 1.简述你对这句名言的理解; 2.用一个具体事例加以说明; 3.给出恰当的结尾. 注意:1.文章的标题已给出不计词数: 2.文中不得以任何形式透露地区学校老师或同学姓名等真实信息否则按作弊行为认定. PlanningIsGoodButDoingIsBetter .
Music OperaatMusicHall:1243ElmStreet.TheseasonrunsJunethroughAugustwithadditionalperformancesinMarchandSeptember.TheOperahonorsEnjoytheArtsmembershipdiscounts.Phone:241﹣2742.http://www.cityopera.com. ChamberOrchestra:TheOrchestraplaysatMemorialHallat1406ElmStreetwhichoffersseveralconcertsfromMarchthroughJune.Call723﹣1182formoreinformation.http://www.chamberorch.com. SymphonyOrchestra:AtMusicHallandRiverbend.Forticketsalescall381﹣3300.RegularseasonrunsSeptemberthroughMayatMusicHallinsummeratRiverbend.http://www.symphony.org/home.asp. CollegeConservatoryofMusicCCM:Performancesareonthemaincampus校园oftheuniversityusuallyatPatriciaCobbettTheater.CCMorganizesavarietyofeventsincludingperformancesbythewell﹣knownLaSalleQuartetCCM'sPhilharmonicOrchestraandvariousgroupsofmusicianspresentingBaroquethroughmodernmusic.StudentswithI.D.cardscanattendtheeventsforfree.Afreescheduleofeventsforeachtermisavailablebycallingtheboxofficeat556﹣4183.http://www.ccm.uc.edu/events/calendar. RiverbendMusicTheater:6295KelloggAve.Largeoutdoortheaterwiththeclosestseatsundercoverpricedifference.Bignameshowsallsummerlong!Phone:232﹣6220.http://www.riverbendmusic.com. 1Whichnumbershouldyoucallifyouwanttoseeanopera? A.241﹣2742. B.723﹣1182. C.381﹣3300. D.232﹣6220. 2WhencanyougotoaconcertbyChamberOrchestra? A.February. B.May. C.August. D.November. 3WherecanstudentsgoforfreeperformanceswiththeirI.D.cards? A.MusicHall. B.MemorialHall. C.PatriciaCobbettTheater. D.RiverbendMusicTheater. 4HowisRiverbendMusicTheaterdifferentfromtheotherplaces? A.Ithasseatsintheopenair. B.Itgivesshowsallyearround. C.Itoffersmembershipdiscounts. D.Itpresentsfamousmusicalworks.
WhenthetimecametomakethefinaldecisionforacourseIdecidedtoapplyfortheonethat______myinterest. A.limited B.reserved C.reflected D.spoiled
Wehaveenteredintoanagedreamshavethebestchanceofcomingtrue. A.which B.what C.when D.that
ToreturntotheproblemofwaterpollutionI'dlikeyoutolookatastudyinAustraliain2012. A.havingconducted B.tobeconducted C.conducting D.conducted
已知函数fx=|x﹣a|+2x其中a>0. 1当a=1时求不等式fx≥2的解集 2若关于x的不等式|f2x+a﹣2fx|≤2恒成立求实数a的取值范围.
Whentheirchildrenlivedfarawayfromthemtheseoldpeoplefeltfromtheworld. A.carriedaway B.brokendown C.cutoff D.broughtup
prizeforthewinnerofthecompetitionistwo﹣weekholidayinParis. A.The;不填 B.A;不填 C.A;the D.The;a
Ascientistworkingatherlabbenchandasix﹣oldbabyplayingwithhisfoodmightseemtohavelittleincommon.Afterallthescientistisengagedinseriousresearchtouncovertheverynatureofthephysicalworldandthebabyiswelljustplaying…right?Perhapsbutsomedevelopmentalpsychologists心理学家havearguedthatthisplayismorelikeascientificinvestigationthanonemightthink. Takeacloserlookatthebabyplayingatthetable.Eachtimethebowlofriceispushedoverthetableedgeitfallsintheground﹣﹣﹣andintheprocessitbringsoutimportantevidenceabouthowphysicalobjectsinteract相互作用;bowlsofricedonotfloatinmid﹣arebutrequiresupporttoremainstable.Itislikelythatbabiesarenotbornknowingthisbasicfactoftheuniverse;noraretheyeverclearlytaughtit.Insteadbabiesmayformanunderstandingofobjectsupportthroughrepeatedexperimentsandthenbuildonthisknowledgetolearnevenmoreabouthowobjectsinteract.Thoughtheirrangesandtoolsdifferthebaby'sinvestigationandthescientist'sexperimentappeartosharethesameaimtolearnaboutthenaturalworldoverallapproachgatheringdirectevidencefromtheworldandlogicaremyobservationswhatIexpected?. Somepsychologistssuggestthatyoungchildrenlearnaboutmorethanjustthephysicalworldinthisway﹣﹣﹣thattheyinvestigatehumanpsychologyandtherulesoflanguageusingsimilarmeans.ForexampleitmayonlybethroughrepeatedexperimentsevidencegatheringandfinallyoverturningatheorythatababywillcometoaccepttheideathatotherpeoplecanhavedifferentviewsanddesiresfromwhatheorshehasforexampleunlikethechildMommyactuallydoesn'tlikeDovechocolate. Viewingchildhooddevelopmentasascientificinvestigationthrowslightonhowchildrenlearnbutitalsooffersaninspiringlookatscienceandscientists.Whydoyoungchildrenandscientistsseemtobesomuchalike?Psychologistshavesuggestedthatscienceasaneffort﹣﹣﹣thedesiretoexploreexplainandunderstandourworld﹣﹣﹣issimplysomethingthatcomesfromourbabyhood.Perhapsevolutionprovidedhumanbabieswithcuriosityandanaturaldrivetoexplaintheirworldsandadultscientistssimplymakeuseofthesamedrivethatservedthemaschildren.Thesamecognitivesystemsthatmakeyoungchildrenfeelgoodaboutfeelgoodaboutfiguringsomethingoutmayhavebeenadoptedbyadultscientists.AssomepsychologistsputitItisnotthatchildrenarelittlescientistsbutthatscientistsarebigchildren. 50.Accordingtosomedevelopmentalpsychologists A.ababy'splayisnothingmorethanagame. B.scientificresearchintobabies;gamesispossible C.thenatureofbabies'playhasbeenthoroughlyinvestigated D.ababy'splayissomehowsimilartoascientist'sexperiment 51.WelearnfromParagraph2that A.scientistsandbabiesseemtoobservetheworlddifferently B.scientistsandbabiesofteninteractwitheachother C.babiesarebornwiththeknowledgeofobjectsupport D.babiesseemtocollectevidencejustasscientistsdo 52.Childrenmaylearntherulesoflanguageby A.exploringthephysicalworld B.investigatinghumanpsychology C.repeatingtheirownexperiments D.observingtheirparents'behaviors 53.Whatisthemainideaofthelastparagraph? A.Theworldmaybemoreclearlyexplainedthroughchildren'splay. B.Studyingbabies'playmayleadtoabetterunderstandingofscience. C.Childrenmayhavegreaterabilitytofigureoutthingsthanscientists. D.One'sdriveforscientificresearchmaybecomestrongerashegrows. 54.Whatistheauthor'stonewhenhediscussestheconnectionbetweenscientists'researchandbabies'play? A.Convincing.B.Confused. C.Confident.D.Cautious.
Everyoneknowsthatfishisgoodforhealth.1Butitseemsthatmanypeopledon'tcookfishathome.Americanseatonlyaboutfifteenpoundsoffishperpersonperyearbutweeattwiceasmuchfishinrestaurantsasathome.Buyingstoringandcookingfishisn'tdifficult.2Thistextisabouthowtobuyandcookfishinaneasyway. 3Freshfishshouldsmellsweet:youshouldfeelthatyou'restandingattheocean'sedge.Anyfishyorstrongsmellmeansthefishisn'tfresh.4Whenyouhaveboughtafishandarrivehomeyou'dbetterstorethefishintherefrigeratorifyoudon'tcookitimmediatelybutfreshfishshouldbestoredinyourfridgeforonlyadayortwo.Frozenfishisn'tastastyasthefreshone. Therearemanycommonmethodsusedtocookfish.5Firstcleanitandseasonitwithyourchoiceofspices调料.Putthewholefishonaplateandsteamitinasteampotfor8to10minutesifitweighsaboutonepound.Alargeronewilltakemoretime.Thenit'sreadytoserve. A.Donotbuyit. B.Theeasiestistosteamit. C.Thisishowyoucandoit. D.Itjustrequiresalittleknowledge. E.Thefishwillgobadwithinhours. F.Whenbuyingfishyoushouldfirstsmellit. G.Thefatsinfisharethoughttohelppreventheartdisease.
假定你是李华与留学生朋友Bob约好一起去书店因故不能赴约.请给他写封邮件内容包括: 1.表示歉意 2.说明原因 3.另约时间 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯. DearBob Yours Lihua.
Ifyouareafruitgrower﹣orwouldliketobecomeone﹣takeadvantageofAppleDaytoseewhat'saround.It'scalledAppleDaybutinpracticeit'smorelikeAppleMonth.ThedayitselfisonOctober21butsinceithascaughtoneventsnowspreadoutovermostofOctoberaroundBritain. Visitinganappleeventisagoodchancetoseeandoftentasteawidevarietyofapples.TopeoplewhoareusedtothelimitedchoiceofapplessuchasGoldenDeliciousandRoyalGalainsupermarketsitcanbequiteaneyeopenertoseetherangeofclassicalapplesstillinexistencesuchasDeciowhichwasgrownbytheRomans.Althoughitdoesn'ttasteofanythingspecialit'sstillworthatryasistheknobbly多疙瘩的Cat'sHeadwhichismoreofacuriositythananythingelse. Therearealsovarietiesdevelopedtosuitspecificlocalconditions.OneoftheverybestvarietiesforeatingqualityisOrleansReinettebutyou'llneedawarmshelteredplacewithperfectsoiltogrowitsoit'sapipedreamformostappleloverswhofallforit. Attheeventsyoucanmeetexpertgrowersanddiscusswhichoneswillbestsuityourconditionsandbecausethesearefamilyaffairschildrenarewellcateredforwithapple﹣themedfunandgames. AppleDaysarebeingheldatallsortsofplaceswithaninterestinfruitincludingstatelygardensandcommercialorchards果园.IfyouwanttohavearealorchardexperiencetryvisitingtheNationalFruitCollectionatBrogdalenearFavershaminKent. 8.Whatcanpeopledoattheappleevents? A.Attendexperts'lectures. B.Visitfruit﹣lovingfamilies. C.Plantfruittreesinanorchard. D.Tastemanykindsofapples. 9.WhatcanwelearnaboutDecio? A.Itisanewvariety. B.Ithasastrangelook. C.Itisrarelyseennow. D.Ithasaspecialtaste. 10.WhatdoestheunderlinedphraseapipedreaminParagraph3mean? A.Apracticalidea. B.Avainhope. C.Abrilliantplan. D.Aselfishdesire. 11.Whatistheauthor'spurposeinwritingthetext? A.Toshowhowtogrowapples. B.Tointroduceanapplefestival. C.Tohelppeopleselectapples. D.Topromoteappleresearch.
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏字符号Λ并在其下面写出该加的词. 删除:把多余的词用斜线﹨划掉. 删除: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. Thesummerholidayiscoming.MyclassmatesandIaretalkingabouthowtododuringtheholiday.Wecanchosebetweenstayingathomeandtakeatrip.Ifwestayathomeitiscomfortablebutthereisnoneedtospendmoney.Butinthatcasewewilllearnlittleaboutworld.Ifwegoonatripabroadwecanbroadenyouviewandgainknowledgeswecannotgetfrombooks.Someclassmatessuggestwecangotoplacesofinterestnearby.Ithoughtthatitisagoodidea.Itdoesnotcostmanyyetwecanstilllearnalot.
Itisimportanttopayyourelectricitybillontimeaslatepaymentsmayaffectyour. A.condition B.income C.credit D.status
AnewcollectionofphotosbringsanunsuccessfulAntarcticvoyagebacktolife. FrankHurley'spictureswouldbeoutstanding﹣﹣﹣﹣undoubtedlyfirst﹣ratephoto﹣journalism﹣﹣﹣iftheyhadbeenmadelastweek.Infacttheywereshotfrom1914through1916mostofthemafteradisastrousshipwreck海难byacameramanwhohadnoreasonableexpectationofsurvival.Manyoftheimageswerestoredinanicechestunderfreezingwaterinthedamagedwoodenship. TheshipwastheEnduranceasmalltightNorwegian﹣builtthree﹣masterthatwasintendedtotakeSirErnestShackletonandasmallcrewofseamenandscientists27meninalltothesouthernmostshoreofAntarctica'sWeddellSea.FromthatpointShackletonwantedtoforceapassagebydogsled雪橇acrossthecontinent.ThejourneywasintendedtoachievemorethanwhatCaptainRobertFalconScotthaddone.CaptainScotthadreachedtheSouthPoleearlyin1912buthaddiedwithhisfourcompanionsonthemarchback. AswriterCarolineAlexandermakesclearinherforcefulandwell﹣researchedstoryTheEnduranceadventuringwaseventhenathoroughlycommercialeffort.Scott'slastjourneycompletedasbelayinatentdyingofcoldandhungercaughttheworld'simaginationandafilmmadeinhishonordrewcrowds.ShackletonaonetimeBritishmerchant﹣navyofficerwhohadgottowithin100milesoftheSouthPolein1908startedabusinessbeforehis1914voyagetomakemoneyfrommovieandstillphotography.FrankHurleyaconfidentandgiftedAustralianphotographerwhoknewtheAntarcticwashiredtomaketheimagesmostofwhichhaveneverbeforebeenpublished. 33.WhatdoweknowaboutthephotostakenbyHurley? A.Theyweremadelastweek B.Theyshowedunderseasceneries C.Theywerefoundbyacameraman D.Theyrecordedadisastrousadventure 34.WhoreachedtheSouthPolefirstaccordingtothetext? A.FrankHurley B.ErnestShackleton C.RobertFalconScott D.CarolineAlexander 35.WhatdoesAlexanderthinkwasthepurposeofthe1914voyage? A.Artisticcreation B.Scientificresearch C.Moneymaking D.Treasurehunting.
Hundredsofpeoplehaveformedimpressionsofyouthroughthatlittledevice装置onyourdesk.Andthey'veneveractually41you.Everythingtheyknowaboutyou42throughthisdevicesometimesfromhundredsofmilesaway.43heyfeeltheycanknowyou44fromthesoundofyourvoice.That'showpowerfulthe45is. Powerfulyesbutnotalways46.ForyearsIdealtwithmytravelagentonlybyphone.RanimyfacelessagentwhomI'dnevermet47gotmerock﹣bottompricesonairfarescarsandhotels.Buthercoldvoicereally48me.Isometimeswishedto49anotheragent. OnemorningIhadto50animmediateflighthomeforafamilyemergency.IranintoRani'soffice51.Thewomansittingatthedesk52mymadnesssympatheticallyjumpedup.Shegavemea53smilenoddedwhilelisteningpatientlyandthenprintedoutthe54immediately.Whatawonderfullady!Ithought. Rushingout55IcalledoutovermyshoulderBythewaywhat'syourname?I'mRanishesaid.Iturnedaroundandsawa56womanwithabigsmileonherfacewavingtowishmeasafetrip.Iwas57!WhyhadIthoughtshewascold?Raniwaswellso58. SittingbackinthecaronthewaytotheairportIfigureditallout.Rani's59﹣﹣﹣herwarmsmilehernodsher‘I'mhereforyou'60﹣﹣﹣wereallsilentsignalsthatdidn'ttravelthroughwires. 41.A.accepted B.noticed C.heard D.met 42.A.came B.moved C.ran D.developed 43.A.Thus B.Yet C.Then D.Indeed 44.A.rather B.also C.just D.already 45.A.Telephone B.voice C.connection D.impression 46.A.direct B.useful C.easy D.accurate 47.A.inperson B.bymyself C.inpublic D.onpurpose 48.A.annoyed B.interested C.discouraged D.confused 49.A.promote B.train C.find D.know 50.A.arrange B.postpone C.confirm D.book 51.A.forthefirsttime B.atanytime C.fromtimetotime D.ingoodtime 52.A.expecting B.seeing C.testing D.avoiding 53.A.shy B.comforting C.familiar D.forced 54.A.bill B.form C.ticket D.list 55.A.hopefully B.disappointedly C.gratefully D.regretfully 56.A.careful B.serious C.nervous D.pleasant 57.A.amused B.worried C.helpless D.speechless 58.A.calm B.nice C.proud D.clever 59.A.forgiveness B.eagerness C.friendliness D.skillfulness 60.A.explanation B.attitude C.concept D.Behavior
FiveyearsagowhenItaughtartataschoolinSeattleIusedTinkertoysasatestatthebeginningofatermtofindoutsomethingaboutmystudents.IputasmallsetofTinkertoysinfrontofeachstudentandsaid:MakesomethingoutoftheTinkertoys.Youhave45minutestoday﹣and45minuteseachdayfortherestoftheweek. Afewstudentshesitatedtostart.Theywaitedtoseetherestoftheclasswoulddo.Severalotherscheckedtheinstructionsandmadesomethingaccordingtooneofthemodelplansprovided.Anothergroupbuiltsomethingoutoftheirownimaginations. OnceIhadaboywhoworkedexperimentallywithTinkertoysinhisfreetime.Hisconstructionsfilledashelfintheartclassroomandagoodpartofhisbedroomathome.Iwasdelightedatthepresenceofsuchastudent.Herewasanexceptionallycreativemindatwork.HispresencemeantthatIhadanunexpectedteachingassistantinclasswhosecreativitywouldinfect感染otherstudents. Encouragingthiskindofthinkinghasadownside.Irantheriskoflosingthosestudentswhohadadifferentstyleofthinking.WithoutfailonewoulddeclareButI'mjustnotcreative. Doyoudreamatnightwhenyou'reasleep? Ohsure. Sotellmeoneofyourmostinterestingdreams.Thestudentwouldtellsomethingwildlyimaginative.Flyingintheskyorinatimemachineorgrowingthreeheads.That'sprettycreative.Whodoesthatforyou? Nobody.Idoit. Really﹣atnightwhenyou'reasleep? Sure. Trydoingitinthedaytimeinclassokay? 25.TheteacherusedTinkertoysinclassinorderto? A.knowmoreaboutthestudents B.makethelessonsmoreexciting C.raisethestudents'interestinart D.teachthestudentsabouttoydesign 26.WhatdoweknowabouttheboymentionedinParagraph3? A.Helikedtohelphisteacher. B.Hepreferredtostudyalone. C.Hewasactiveinclass. D.Hewasimaginative. 27.WhatdoestheunderlinedworddownsideinParagraph4probablymean? A.Mistake. B.Drawback. C.Difficulty. D.Burden. 28.Whydidtheteacheraskthestudentstotalkabouttheirdreams? A.Tohelpthemtoseetheircreativity. B.Tofindoutabouttheirsleepinghabits. C.Tohelpthemtoimprovetheirmemory. D.Tofindoutabouttheirwaysofthinking.
Inlate2003mywifeandIwerenewly﹣marriedcoupleslivingintheParkHillneighborhoodofDenver.Mythreestepchildrenwereallyoungthenandtheylikedustoreadtothem.Wehadagoodcollectionofchildren'sbooksincludingBlueberriesforSalTheWindintheWillowsandTheIllustratedWorksofBeatrixPotter.WealsoenjoyedmorerecentworkssuchasTwoCoolCoyotesTheRainbowFishandWaltertheFartingDog.AsaresultIwasimmersedintheworldofanimalcharactersandtheirfantasticstories. DuringthattimeweenjoyedtakingwalkstothenearbyCityParkwherewewouldwatchthegeeseflyandtheducksswim.AtonetimewetookaroadtriptoNorthernCaliforniawherewespenthourshikingthetrailsandobservingthewildlifeatPointReyesNationalSeashore.TheseexperiencestogetherwithallthestoriesIhadreadcausedmyimaginationforwriting.WhenIgotbacktoDenverafterthetripIwrotedownafewchildren'sbookideas.Oneofthoseideaswasaboutabearwhichlivedinacavenearthebeach. MyideasbeganfromtheseearlyyearsspentonreadingtravelingandhikingwiththekidsbutIdidn'tactuallywritethefirsttaleuntilseveralyearslater.OnedaywhileIwasworkingonamemoir回忆录aboutanotherfamilyroadtripwehadtakenIdecidedtoclearmymindbyworkingonthestoryaboutthebearwhichlivednearthebeach.LaterIpassedthestoryalongtoafewfriendsandfamilymembersjustforfunandtheyencouragedmetogetitpublished.WithinayearofitswritingandafterfruitlesslyturningtosomelocalfamouspeopleforhelptolookforanartistIraisedmoneybystartingaKickstartercampaigntohelppayforaprofessionalpublisherandillustrator插画家.Throughthebook'spublisherCreateSpace.comIfoundmyillustratorBaird. Barry'sWildRidewassuccessfullyfundedinNovemberof2012andwaspublishedinMayof2013.I'mexcitedtohavethebookincirculation发行andIhopethatpeopleenjoyreadingitasmuchasIenjoyedcreatingit. 1WhichofthefollowingisclosestinmeaningtotheunderlinedwordimmersedinParagraph1? A.Absorbed. B.Occupied. C.Frustrated. D.Included. 2Accordingtothesecondparagraphtheauthor'sstorywasbasedon. A.hisownexperiencesinthepastyears B.hisoralstoriestoldtohisstepchildren C.hisroadtripsandstoryreading D.hispastfamilylifewithhisformerwife 3Theauthorcollectedmoneyinorderto. A.helpthechildreninpoorruralareas B.buymorebooksforthechildreninthecity C.payforadvancededucationforchildren D.payforthepublisherandtheillustrator 4Whydidtheauthorwritethistext? A.Totelluswhyhewantedtowritechildren'sbook. B.ToshowushowhecreatedBarry'sWildRide. C.Tosharehisexperienceinteachingchildren. D.Toexplainhowhehelppaytheillustrator.
﹣Themoviestartat8:30andwecanhaveaquickbitebeforewego. ﹣﹣.Seeyouat8:10 A.Solong B.Soundsgreat C.Goodluck D.Haveagoodtime
热门题库
更多
高一下学期化学
高一下学期物理
高三下学期数学
高三上学期数学
高一下学期英语
教案备课库
高一上学期生物
高一下学期生物
高二上学期数学
高二上学期物理
高二上学期英语
高二上学期生物
高二下学期数学
高二上学期化学
高二下学期物理
高三下学期物理