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用数学归纳法证明,从n=k到n=k+1,左边应增加的项是( )
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高二下学期数学《》真题及答案
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8分Iwasnodifferentfromanyothermother. WhenmylittleboySkylerwasbornIlongedforthedayhewouldtalktome.MyhusbandandIdreamedaboutthefirstsweetMamaorDada.Buttheydidn'tcome. AtagethreeSkylerwasdiagnosedasautisticadevelopmentaldisabilitywhichmeanshecouldn'ttalk﹣wouldn'ttalk.Iwouldprobablyneverhearanywordsfromhimatall.IwonderedhowitwouldfeeltohearmychildcalloutformewheneverIheardotherchildrencallingtheirmoms. OncewhenItookhimtothedoctorwetalkedtoaspecialistlookinglikeme.WhenitwastimetogoSkylerwenttoherinsteadofme﹣hecouldn'ttellusapart.WhenSkylerwasthreehecouldn'tevenrecognizemeeither.Thepainwasalmostunbearable.IhidthepainandwedidthebestwecouldforSkyler.WesenthimtoaschoolwheretheteachersandspeechspecialistworkedhardtohelpSkylerconnectwiththeworldaroundhim.Hewilltalk.thespeechspecialistinsisted.ButinsideIhadgivenuphopewhenIsawhowhebehaved. TheonedreamIcouldn'tletgowastohaveSkylerunderstandthatIwashismom.EvenifIneverheardhimsayMomIwantedtoseetherecognitioninhiseyes. Thefourthyearamazinglyandexcitinglywecouldseehisunderstandingincreasetillhiseyeswouldseekoutminewantingtounderstand. YouMom?hesaidoneday. YesSkylerI'mMom. HeaskedhisteachersandcaregiversYouMom? NoSkylernotMom. YoumyMom?hesaidbacktome. YesSkylerI'myourMom. AndfinallyarushofunderstandinginhiseyesYoumyMom. YesSkylerI'myourMom. IfthosehadbeenSkyler'sonlywordsevertheywouldhavebeenenoughformeMysonknewIwashismother. ButSkylerwasn'tdone. OneeveningIleanedagainsttheheadboardonSkyler'sbedmyarmswrappedaroundhimandreadtohimfromoneofhisfavoritebooks﹣atypicalaffectionate深情的scenebetweenmotherandson.SuddenlySkylerhadinterruptedmeleaningbackhisheadsohecouldlookatmeintheeyes. YesSkyler? AndthencamethevoiceofanangelthevoiceofmysonIloveyouMom. 1Whydidtheauthorsayshewasthesameasothermothers? A.ShewasanxiousforhearinghissoncallingherMom. B.Shedidthebestforhersonandcaredabouthimalot. C.Shetoldbedtimestoriestohersoneveryevening. D.Shehadastrongbeliefinhersonthathewouldsucceed. 2Theonlydreamtheauthordidn'tgiveupwas. A.tohaveSkylercallherMom B.toletSkylerspeakagain C.tomakeSkylerunderstandshewashismom D.togetSkylertorecognizehisparents 3Whenwastheauthormovedmost? A.Whensheheardotherchildrencallingtheirmoms. B.Whensheheardthespecialist'scomfortingwords. C.WhenSkylerrecognizedherashisownmom. D.WhenSkylerexpressedhislovetoher. 4What'sthebesttitleofthisarticle? A.AStrongMother B.TheRoadtoSpeaking C.NeverGiveup D.TheMiseryofAFamily
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6分NowadaysmoreandmorepeoplearetalkingaboutgeneticallymodifiedfoodsGMfoods.GMfoodsdevelopfromgeneticallymodifiedorganisms有机体whichhavehadspecificchangesintroducedintotheirDNAbygeneticengineeringtechniques.Thesetechniquesaremuchmoreprecisewhereanorganismisexposedtochemicalstocreateanonspecificbutstablechange.Formanypeoplethehightechproductionraisesallkindsofenvironmentalethicalhealthandsafetyproblems.Particularlyincountrieswithlongfarmingtraditionstheideaseemsagainstnature. InfactGMfoodsarealreadyverymuchapartofourlives.Theywerefirstputonthemarketin1996.AthirdofthecornandmorethanhalfthecottongrownintheU.S.lastyearwastheproductofbiotechnologyaccordingtotheDepartmentofAgriculture.Morethan65millionacresofgeneticallymodifiedcropswillbeplantedintheUSthisyear.Thegeneticgenieisoutofthebottle. HoweverlikeanynewproductenteringthefoodchainGMfoodsmustbesubjectedtocarefultesting.Inwealthycountriesthedebateaboutbiotechisnotsofiercebythefactthattheyhavealargenumberoffoodstochoosefromandasupplythatgoesbeyondtheneeds.Indevelopingcountriesdesperatetofeedfastgrowingandunderfedpopulationsthematterissimplerandmuchmoreurgentdothebenefitsofbiotechoutweightherisks? Thestatisticsonpopulationgrowthandhungeraredisturbing.Lastyeartheworld'spopulationreached6billion.TheUNstatesthatnearly800millionpeoplearoundtheworldareunhealthy.About400millionwomenofchildbearingagedon'thaveenoughironwhichmeanstheirbabiesareexposedtovariousbirthdefeats.Asmanyas100millionchildrensufferfromvitaminAdeficiencyaleadingcauseofblindness. Howcanbiotechhelp?Geneticengineeringiswidelyusedtoproduceplantsandanimalswithbetternutritionalvalues.Biotechnologistshavedevelopedgeneticallymodifiedriceandtheyareworkingonotherkindsofnutritionallyimprovedcrops.Biotechcanalsoimprovefarmingproductivityinplaceswherefoodshortagesarecausedbycropdamageattributabletodroughtpoorsoilandcropviruses. 1Thepassagemainlytalksabout. A.theworld'sfoodproblem B.thedevelopmentinbiotech C.thegeneticallymodifiedfoods D.thewaytosolvefoodshortages 2TheunderlinedsentenceThegeneticgenieisoutofthebottle.inParagraph2probablymeansthat. A.GMfoodsareavailableeverywhere B.thetechnologyinproducingGMfoodsisadvanced C.genetictechnologymayhaveuncontrollablepowers D.genetictechnologyhascomeoutoflaboratoriesintomarkets 3What'sthewriter'sattitudetowardsGMfoods? A.Enthusiastic. B.Cautious. C.Disapproving. D.Unbelievable.
10分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∧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. WiththegrowingpopularityoftheInternetmoreandmorechildrenareaddictedtoplayonlinegamesdayandnight.Itdoesharmnotonlytotheirhealthespecialtheireyesbutalsototheirstudies. Comparingwithonlinegamesmanytraditionalgameslikehide﹣and﹣seekbenefitskidsmentallyandphysically.Theywereeverpopulartoseveralgenerationswhichnotonlylearnedsomethingvaluablebutalsohadfunplayingthegames.Thereforethegamesaredyingawaynow. PersonallyIthinkteachersandparentsshouldtakemeasuretolimittheirchildren'sInternettime.Letchildrentoknowtheharmofonlinegamesandthebenefitsoftraditionalgames.Helpchildrenjudgehealthyandunhealthygames.What'smoreweshouldoftenorganizeeventsforchildreninwhichtraditionalgamesplayed.
10分阅读下面短文完成各题. Dronesarelikeairplanesonlywithoutapilot.Noonewithoutapilot'slicenseshouldbeallowedtohaveone. Somethingbadorunexpectedcanhappenwhenpeoplesendupaself﹣controlledflyingmachinelikeadronewithoutknowinghowtoreallycontrolit.Dronescanbecomeflyawaysandcanbecaughtuponajetstream喷气流andblownaway.Afallingdronecandomuchdamage损害tobuildingsandpeople. Thoughdronescanbeharmfultheycanbeveryhelpful. Atasportseventdronescanbeusedtogivethespectators观众aviewfromaboveorhelpcoachesseehowtheirplayersaredoing. Theyarealsobecomingausefultoolforfirefightershelpingthemfindandfightwildfires.Dronescanwatchsecretlyonpopulationsofanimalsinthewildespeciallyendangeredones. Insomefarawayplacesintheworlddronesarethefastestwaytosendmedicinetopeoplewhoareingreatneedofit. Somepeoplethinkdronescanonlybeusedbygovernmentstohelpwhenneeded.Othersthinkthatifrulesareobeyedthereshouldbelittlerisktopeopleandproperty财产. Dronemakerssaydronesareexcitingnewtechnologyandthatthefuturewillbecontrolledbythem. 1用英语列举drones的两种用途. ① ② 2回答问题.Whoshouldbeallowedtohaveadrone? 3回答问题.Insomepeople'sopinionscanthedronesonlybeusedbygovernmentsatanytime?Why? . 4根据短文内容完成句子. Paragraph段落Twoismainlyabout.
25分随着社会对富二代各方面负面新闻不断报道最近你校学生就金钱是否能带来幸福这一话题进行了一场激烈的辩论辩论的结果如下图所示 请根据以上素材为某英语报社写一篇英语稿件介绍这次辩论的内容并谈谈你如何看待金钱. 注意1.词数100左右 2.开头已给出但不计入总词数 3.不要逐条翻译可适当发挥以使行文连贯. Recentlywehavehadadiscussionaboutwhethermoneycanbringushappiness.
8分I'mnotsosureIlikemyfriendsanymore.Iusedtolikethem﹣tobehonest.We'dhavelunchtalkonthephoneorexchangeemailsandtheyallseemednormalenough.ButthencameFaceBookandIwasintroducedtoasadfactmanyofmyfriendshavedarksidesthattheyhadkeptfromme. TodaymyfriendsshowoffthemoreunpleasantaspectsoftheirpersonalitiesviaFaceBook.Nolongerhiddenthey'rethrowninmyfacelikeTVcommercials﹣unavoidableandendlessadvertisementsfortheworstoftheirpersonalities. TakeFred.Ifyouweretohavelunchwithhimyou'dfindhimwarmandselfeffacing谦逊的.ReadhisFaceBookandyou'llrealizehe'sanunbearablefoodobsessedboringman.He'dpausetohaveacupofcoffeeonhiswaytosaveadrowningman﹣andthenwriteaboutit. TakeAndy.Youwon'tfindasmarterCEOanywherebutnowhe'saCEOwithoutacompanytorun.SoheplaysMafiaWarsonFaceBook.He'sdoingwell﹣level731.ThankstoFaceBookIknowhe'splayingabout18hoursaday.Andyyou'verunfourcompanies﹣andthisishowyouspendyourdowntime?Whathappenedtogolf?Whathappenedtogettinganotherjob? TakeLiz.Sheispositivethatthefluvaccinewillkillusallandthatweshouldavoidit.AndthencomesChriswholikestopostatleast20timesadayoneverywebsitehecanfindsoIgettoreadhisthoughtstwiceonceonFaceBookandonceonTwitter. InreallifeIdon'tseethesesidesofpeople.Facetofacemyfriendsshowmetheirbest.They'renicesmartpeople.ButfacetoFaceBookmyfriendsarelikeablinddatewhichgoeshorriblywrong. I'mleftwithadilemma.Whoismyrealfriend?IsittheLizIhavelunchwithortheantivaccinemadwomanonFaceBook?IsittheFredIcangrabasandwichwithortheFredwhoweepsifhe'satapartyandthewineisn'tuptohisstandards? 1Whoisopposedtothefluvaccineinthetext? A.Fred. B.Andy. C.Liz. D.Chris. 2What'sAndyprobablybusyindoingnow? A.He'srunninghiscompany. B.He'splayinggolfallday. C.He'slookingforanotherjob. D.He'splayingcomputergames. 3Theunderlinedworditinthelastparagraphrefersto. A.adilemma B.myrealfriend C.Facebook D.Twitter 4Thetextisdevelopedmainlyby. A.givingexamples B.followingthetimeorder C.listingfigures D.raisingquestions
25分假如你是高三学生李华毕业后想去康奈尔大学CornellUniversity深造.请结合以下要点给康奈尔大学的负责人写一封电子邮件希望获得奖学金. 1.自我介绍包括英语水平独立生活的能力以及与人沟通的能力 2.希望获得奖学金 3.希望得到答复. 注意1.词数100左右开头和结尾已给出不计入总词数 2.可以适当增加细节以使行文连贯. DearSirorMadam I'mLiHua. Yourssincerely LiHua
1分根据句意和所给汉语完成句子.每空一词. KeepingEnglish日记isagoodwaytoimproveEnglish.
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8分IwenttotheTsavoNationalParkinnorthernKenyaforafilm.Wesetoffearlyforadistantwaterhole.Ahugeelephantcoveredwithdrymuddrankcalmlyanddeeply.Hemighthavetraveled50kmtoreachthewater.Hewasn'tgoingtohurrynow.He'ddrinkawhileandrestintheshadeandthendrinkagainorsowethought.Whatactuallyhappenedwasthathedrankdeeplyandsteppedaway.Thenhesuddenlyfelldown.Withinminuteshewasdead. WecalledanimaldoctorJeremiahPoghonimmediately.Heremovedtheheadofapoisonedarrowfromtheelephant'sbodyandletoutover100litersofpus胺﹣theresultoftheelephant'smeetingwithapoacher偷猎者monthsbefore. Today'spoachershootsfromablind.Hefiresanarrowcoveredwithpoisonintothebodyofanelephant.Ifthepoacherisluckytheelephantmightdieinanhourortwoifnothemighthavetofollowtheelephantfordaysbeforeitdies.Oftenthearrowheadfailstokilltheelephantatonce﹣itdoesn'tmeanthepoisonwon'tfinallykilltheelephantbutitwillbeaslowdeath. LivinginTsavothroughthesetimesIcouldseetheresultsofpoachingfromtimetotime.WhenIthinkaboutthedeathofthatelephantwhatstayswithmeistheextraordinarysilenceaftertheshockingsoundofhisbodyhittingtheground.Itooksomecomfortfromtheknowledgethatasthedeadbodyreturnedtothesoilsomeanimalswouldbenefit﹣butIcouldn'tescapethefeelingthatwiththedeathofsuchalargeanimaltheworldseemedtobeapoorerandemptierplace. 1Whilefilmingnearthewaterholetheauthorandhisteam. A.knewtheelephantwasinjured B.foundtheelephantactedviolently C.triedtheirbesttosavetheelephant D.thoughttheelephantwasingoodcondition 2Furtherexaminationshowedthatthedeadelephant. A.hadsufferedanhourortwo B.waskilledbyapoisonousneedle C.hadsufferedalot D.hadhadagoodfightwithapoacher 3Howdoestheauthorfeelwhenthinkingabouttheelephant'sdeath? A.empty. B.comfortable. C.upset. D.relieved. 4Whydidtheauthorwritethetext? A.TointroduceAfricanelephant. B.Toshowthecrueltyofpoaching. C.Todescribehisfilmingexperience. D.Toaskreaderstoprotectwildanimals.
15分Honestymymumalwaysusedtotellmeis1bestpolicy.Ofcoursethisdidn'tincludeherwhenshetoldme2ifIdidn'teatallmyvegetablesFatherChristmaswouldfindoutandwouldn'tgiveme3presents. ButwhenitcomestomedicineIhadassumed4wasimportanttoalwaysbehonestwithmy5patient.Afterallthedoctor﹣patientrelationshipisbasedontrustandthereforehonestyisessentialor6Ithought. Ihadjuststartedworkinginhospital.Mr.McMahonwasbroughtinwhenhisbellywasfoundvery7swell.Wellweneedtoproveit'snotcancer.Isaidandtalked8brief. Myconsultantwasobviously9angerwithmeandasweleftMr.McMabonsheturnedtome.Whyonearthdidyoudothat?Andgivehermoretoworryabout?sheaskedindisbelief.Evenifyoususpectitthinkverycarefully10youtellpeople.
5分Thereissomethingdifferentinthisweek'sblog.Let'slookatsomebirthdaycustomsaroundtheworld. HarryBakerPerthAustralia It'smybirthdaynextWednesday.I'mgoingtobe10yearsold.1inmycountry.Mymom'sgoingtomakemeahugeplateoffairybread.It'sasnack.WemakeitwithbreadbutterandcolorfulsugarcalledHundredsandthousands. JimDixonMontegoBayJamaica Ilovebirthdays!Theyarealotoffun.HereinJamaicawehaveanoldcustom.2Guesswhatwedo?Wethrowflour面粉atourfriends!It'smybestfriend'sbirthdaytomorrow. 3I'mgoingtobuyalotofflourtothrowathim. VictoriaSmithLondonUK Mygrandmotherisgoingtobe100yearsoldinJune.She'sveryexcitedbecauseshe'sgoingtogetaspecialletterfromtheQueen.TheQueensendsalettertoeverypersonwhoreaches100. 4. JiangLiBeijingChina Inmycountrywecelebratebirthdayswithaspecialtypeofthefood.Noodlesareasignoflonglifeforus.ThisyearI'mgoingtomakesomelonglifenoodlesforallmyfriends.5andhaveagreatevening! 根据短文内容从选项中选出能填入文中空白处的最佳选项选项中有一项为多余选项. A.I'mgoingtogotothestoresoon. B.I'mgoingtomakeabigcake. C.It'satraditionthatmakespeopleveryhappy. D.Weliketosurprisepeopleontheirbirthdays. E.We'regoingtoeatthemtogether F.Wealwayseatfairybreadonourbirthdays
10分Americansareproudoftheirvarietyandindividualityyettheyloveandrespectfewthingsmorethanauniformwhetheritistheuniformofanelevatoroperatorortheuniformofafive﹣stargeneral.1. Amongtheargumentsforuniformsoneofthefirstisthatintheeyesofmostpeopletheylookmoreprofessionalthancivilian百姓的clothes.Peoplehavebecomeconditionedtoexpect. Superiorqualityfromamanwhowearsauniform.2Faithintheskillofagaragemechanicisincreasedbyauniform.Whateasierwayisthereforanurseapolicemanabarberorawaitertoloseprofessionalidentity身份thantostepoutofuniform? 3Theyareoftenmorecomfortableandmoredurablethancivilianclothes. Primaryamongtheargumentsagainstuniformsistheirlackofvarietyandtheconsequentlossofindividualityexperiencedbypeoplewhomustwearthem.Thoughtherearemanytypesofuniformsthewearerofanyparticulartypeisgenerallystuckwithitwithoutchangeuntilretirement.4 5Thoughtheyarelong﹣lastingoftentheirinitialexpenseisgreaterthanthecostofcivilianclothes.Someuniformsarealsoexpensivetomaintainrequiringprofessionaldrycleaningratherthanthehomelaunderingpossiblewithmanytypesofcivilianclothes. A.Americansthinkhighlyofuniforms. B.WhyareuniformssopopularintheUnitedStates. C.Whenpeoplewearthesameuniformstheyarelikelytothinkspeakandactsimilarlyonthejobatleast. D.Uniformsalsohavemanypracticalgoodpoints. E.Somepracticalproblemswithuniformsarise. F.Thetelevisionrepairmanwhowearsauniformislikelytoinspiremoretrustthanonewhoappearsincivilianclothes. G.People'sidentitycanberecognizedmoreeasilybytheiruniforms.
8分Doyouknowhowitiswhenyouseesomeoneyawnandyoustartyawningtoo?Orhowharditistobeamongpeoplelaughingandnotlaughyourself?Wellapparentlyit'sbecausewehavemirrorneurons镜像神经元inourbrains. Putsimplytheexistenceofmirrorneuronssuggeststhateverytimeweseesomeoneelsedosomethingourbrainscopyitwhetherornotweactuallyperformthesameaction.Thisexplainsagreatdealabouthowwelearntosmiletalkwalkdanceorplaysports.Buttheideagoesfurthermirrorneuronsnotonlyappeartoexplainphysicalactionstheyalsotellusthatthereisbiologicalbasisforthewayweunderstandotherpeople. Mirrorneuronscanundoubtedlybefoundalloverourbrainsbutespeciallyintheareaswhichrelatetoourabilitytouselanguagesandtounderstandhowotherpeoplefeel.ResearchersdiscoveredthatiftheygavepeoplesentencestolistentoforexampleThehandtookholdoftheballthesamemirrorneuronsweretriggeredaswhentheactionwasactuallyperformedinthisexampleactuallytakingholdofaball. Anyproblemswithmirrorneuronsmaywellresultinproblemswithbehavior.Muchresearchsuggeststhatpeoplewithsocialandbehavioralproblemshavemirrorneuronswhicharenotfullyfunctioning.Howeveritisnotyetknownexactlyhowthesediscoveriesmighthelpfindtreatmentsforsocialdisorders. Researchintomirrorneuronsseemstoprovideuswithevermoreinformationconcerninghowhumansbehaveandcommunicate.Indeeditmayturnouttobetheequivalent相等物forneuroscienceofwhatEinstein'stheoryofrelativitywasforphysics.Andthenexttimeyoufeeltheurgetocoughinthecinemawhensomeoneelsedoes﹣wellperhapsyou'llunderstandwhy. 1Mirrorneuronscanexplain. A.whywecrywhenwearehurt B.whywecoughwhenwesufferfromacold C.whywesmilewhenweseesomeoneelsesmile D.whyweyawnwhenweseesomeoneelsestayuplate 2Theunderlinedwordtriggeredinthethirdparagraphprobablymeans. A.cutoff B.setoff C.buildup D.brokenup 3Wecanlearnfromthepassagethatmirrorneurons. A.controlhumanphysicalactionsandfeelings B.relatetohumanbehaviorandcommunication C.resultinbadbehaviorandsocialdisorders D.determineourknowledgeandlanguageabilities 4Whatisthepassagemainlyabout? A.Waystofindmirrorneurons. B.Problemsofmirrorneurons. C.Existenceofmirrorneurons. D.Functionsofmirrorneurons.
下列与细胞代谢有关的叙述正确的是
8分Researchshowsthatchildhoodfriendshipsareimportantindicatorsoffuturesuccessandsocialadjustment.Children'srelationshipswithpeers同龄人stronglyinfluencetheirsuccessinschoolandchildrenwithfewerfriendsaremoreatriskofdroppingoutofschoolbecomingdepressedandotherproblems. MakingandKeepingFriendsIsMorethanChild'sPlay When6yearoldRachelreturnedtoschoolonarecentMondaymorninghereyesimmediatelyscannedtheplaygroundforherfriendAbbie.Thoughtheywereonlyseparatedbyaweekendthegirlsranrightintoeachother'sarmsandhuggedrecallsRachel'smotherKathrynWillisofGilbert.Itwaslikeascenefromamovie. Mostparentsinstinctively本能地knowthathavingfriendsisgoodfortheirchild.Expertsagreethatfriendshipisnotsimplychild'splaybutapowerfulpredictorofsocialadjustmentthroughoutlife. ASkillforLife ChildhoodfriendshipsserveasaveryimportanttraininggroundforadulthoodsaysDr.RobbieAdlerTapiapsychologistwiththeCenterforChildren'sHealth&LifeDevelopmentattheEastValleyFamilyResourceCenter. ResearcherWilliamHartupstatesPeerrelationscontributesignificantlytobothsocialandcognitive认知的development.Hartupconcludesthatthesinglebestchildhoodpredictorofadultsocialadaptationisnotschoolgradesorclassroombehaviorbutratherhowwellachildgetsalongwithotherchildren. TheworkofArizonaStateUniversityprofessorofDevelopmentalPsychologyGaryLaddprovesthatjustasbeingabletomakeandkeepfriendsisbeneficialtokidswhilethelackoffriendsisdetrimental. GoodFriendshipsDon'tJustHappen Expertsagreethatitisessentialforchildrentoestablishhighqualityfriendships.Butresearcherswarnthesefriendshipsdon'tnecessarilyjusthappen.Oftenagoodfriendshipbeginswithinvolvedparents. PsychologistDr.LynneKenneyMarkanbelieveskidsshouldbetaughtsocialskillsinmuchthesamewaytheyaretaughtmathandreading. BadCompany Manyparentsworryaboutthequalityaswellasthequantityoftheirchild'sfriendships.Whenshewasin1stgradehersupposed‘bestfriend'begancallinghernamesandthreateningtohurthersaysMindyMiller.Mydaughterwasn'tallowedtotalktoorevenlookatothergirlsinherclass.Itreallycrushedherspirit.Itoldmydaughtershedidn'tneeda‘friend'likethat. I'llbendoverbackwards拼命tohelpmysongettogetherwithafriendIthinkisgoodforhimAdlerTapiasays.Idon'tlookatitasmanipulation操纵justpositiveparentalinvolvement. 1TheexampleofRachelandAbbieisusedtoindicatethat. A.childhoodfriendshipisofgreatsignificancetotheirgrowth B.apositivefriendshiphelpschildrensolveemotionalandphysicalproblems C.itisaprovenfactthatpeerfriendshipisthemostrewardingexperiencethroughoutlife D.RachelmissedherfriendAbbieverymuchbecauseoftheirseparationofoneweekend 2Theunderlinedworddetrimentalcouldbereplacedby. A.aggressive B.disappointing C.ridiculous D.harmful 3Wecanlearnfromthepassagethathighqualityfriendshipmostprobablyresultsfrom. A.socialskillsandgoodstudyhabits B.schoolgradesandclassroombehaviors C.academicsuccessandsocialadaptation D.positiveparentalinvolvementandsocialskills 4FromthelastparagraphwecanconcludethatDr.RobbieAdlerTapiaagreesthat. A.parentsshouldregardmakingfriendsassomethingthatjusthappens B.it'swiseforparentstosupportandencouragehealthypeerrelationships C.parentsonlyneedtohelptheirchildrentocopewithdifficultsocialsituations D.parentsaresupposedtoencouragetheirchildrentomakeasmanyfriendsastheycan
1分根据句意和所给汉语完成句子.每空一词. Rose'sfatheristhe忙碌的inthehospitalbecauseheisanexcellentdoctor.
10分Whenthemorningsunlooksinthroughyourbedroomwindowdoyoujumpoutofbed?1Anadequateamountofsleepcanmakethedifferencebetweenagreatdayandaterribleone! Agoodnight'ssleepdoesn'tjusthappen.Youneedtoprepareforit.2Firstgotobedatthesametimeeverydayandgetupatthesametime.Ifyouhaven'tgottenagoodnight'ssleepdon'toversleepthenextmorning.Getupatyourregulartime.Sleepinglateforjustacouplesofdayscanchangeyourbodyclocktoadifferentcycle.Youdon'twantthatifyouhaveasetdailyschedule. Alsoavoidbigmealsatnight.3Yourstomachworkshardtodigestthosefattyfoodsandthatmaykeepyouup. Yourbodyproducesachemicalcalledmelatonin褪黑色素thathelpsyousleep.Lightaffectstheamountofmelatoninyourbodymakes.4SoatnightturnoffyourTVandcomputer.Alsodon'treadfromabacklit背光electronicequipmentlikeanIPad.Somescientiststhinkthatthelightfromthosestopsyourbodyfrommakingmelatonin.Soturnthosescreensoffatleastanhourbeforebedtime. Maybeyoucan'tsleeporyouwakeupinthemiddleofthenight.5Getupanddosomethingrelaxingelsewhere.Thengobacktobedwhenyoufeelsleepyagain.Ifyouworryalotmakealistofthingsyouneedtodothenextday.Dothatanhourbeforebed.Thatwayyougetyourworryingoutofthewaybeforeyougotobed. Afteragoodnight'ssleepyou'llbeabletofaceanewday. A.Don'tjustlieinbed. B.Youcanhavethreemealsaday. C.Ordoyourolloverandcomplain? D.Variousexpertshavegiventipstohelp. E.YourTVandcomputersmightaffectyoursleep. F.Itproducesmoreintheeveningandlessinthedaytime. G.Eatingheavyrichfoodswithintwohoursofbedtimecankeepyouawake.
10分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∧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. Haveyoueverhadaheadacheduringatest?Haveyoueverbeentooworriedaboutsomethingthatyouhaveaheadacheorevencan'tsleepatnight?Ifsothenyouknowthatstressis. Notallstressisbadforyou.Somekindsofstresscanhelpyougetthingsdobetterlikewhenyouarerunningtowardsthefinishinglineorwhenyouarebeingaskedtogiveaspeechtoyourclass.Stresssometimescanhelppushyoutomakefullpreparationforatest.Howevertoomuchstresscanresultinangerdepressionandotherrelatedproblemswhichweneedtotakeserious. Therearemanythingsinourlifewhatmightcausestress﹣﹣﹣﹣﹣﹣havingtoomuchhomeworktakingadifficulttestandhavingeconomicproblems. It'simpossibletoliveinalifecompletelyfreeofstresssoyoushouldlearntodealwithstress.Thebestwayreducestressistohaveabalancelife.Ifyougetenoughsleepeatproperlytakemoreexerciseandhaveenoughfuntimeyou'llprobablyfeellessstressed.
1分根据句意和所给汉语完成句子.每空一词. Don'tworry!Weareoldenoughtolookafter我们自己.
下列与生物学实验相关的叙述错误的是
下列有关细胞生命历程的叙述错误的是
30分Everyoneenjoysafittingreplyitiswonderfultosaytherightthingattherighttime! WhenIwasaseniorinhighschoolI1knewIwantedtopursuewritingasacareer. Writinghadbasically2mewhenIwasonly7yearsold3sincethattimeI'dbeenbombardedbyguidancecounselorsandcareerplannerswhoall4metohaveaback﹣upplanincasewritingdidn'tworkout. I'dnevereven5adifferentcareerpathsoIwasvery6andworried.AftermuchthoughtIdecided7wouldbemyback﹣upplanandIsignedupforaclassthroughmyhighschool. This8thateverymorningIwouldserveasateacher'shelperformyfavorite6thgradeteacherMr.Ralston.MorningaftermorningIshowedupinMr.Ralston'sclassroomand9papersforhim. SometimesIeven10alessonortwo.ItwasfunandthestudentsseemedtolikemesoIwassurprisedwhenitcametimeformy11.Mr.RalstonlookedmerightintheeyesandaskedDoyoureallywanttoteach? HadIreallybeenthat12?Ithought. Don'tmisunderstand.You'lldofineinteachinghecontinued.Butisyour13reallyinit? NotreallyI14.Iwanttowrite.Iwanttowritenewsstoriesandfictionandpoetryandsomuchmore…butI'vebeentoldit'stoughtomakeitasawriter15IthoughtmaybeIwouldteachandthenusemysummers16topursuewriting. AsIsharedwithMr.Ralstonmyhopesdreamsandcarefullyplotted﹣outback﹣upplanhesmiledandsaidWhyareyoupreparingto17withthisback﹣upplan?Ifyouwanttobeawritergoforit!Pursuewriting! Mr.Ralston's18tofollowmydreamswasthelittlenudgeIneededtohelpmepushpastmy19ofnotmakingitasawriterandsimplyGoforit! That'swhatanencouragingwordwilldowhenspokeninlovein20season.Solet'stryandbelikeMr.Ralstonandspeakthatwordofencouragementatjusttherighttimeandmakeadifferenceinsomeone'slifetoday. 1A.even B.never C.already D.also 2A.reminded B.entertained C.accompanied D.chosen 3A.or B.and C.for D.but 4A.urged B.forced C.taught D.persuaded 5A.created B.taken C.considered D.examined 6A.embarrassed B.confused C.annoyed D.frightened 7A.writing B.teaching C.studying D.compiling 8A.meant B.indicated C.suggested D.revealed 9A.read B.set C.graded D.composed 10A.reviewed B.skipped C.took D.presented 11A.application B.evaluation C.instruction D.qualification 12A.transparent B.shallow C.superior D.ambitious 13A.eye B.mind C.heart D.focus 14A.interrupted B.joked C.admitted D.apologized 15A.unless B.if C.because D.so 16A.up B.apart C.along D.off 17A.fail B.follow C.depart D.compete 18A.encouragement B.determination C.tendency D.attempt 19A.dreams B.fears C.regrets D.mistakes 20A.peak B.low C.due D.New
6分Forcenturiesthebody'sbloodhasbeenlinkedcloselywiththeemotions.Peoplewhoshownohumanemotionsorfeelingsaresaidtobecold﹣bloodedkiller.Forexamplethepolicearesearchingforacold﹣bloodedkiller.Heseemstokillfornoreasonandnoemotionasiftakingsomeone'slifeisnothing. Coldcanaffectotherpartsofthebody.Theexpressiongetcoldfeethasnothingtodowithcoldoryourfeet.Theexpressionmeansbeingafraidtodosomethingyouhavedecidedtodo.Forexampleyouagreetobepresidentofanorganization.Butthenyoulearnthatalltheotherofficershaveresignedandalltheworkoftheorganizationwillbeyourresponsibility.Youarelikelytogetcoldfeetaboutbeingpresidentwhenyouunderstandthesituation. Theexpressiongivesomeonethecoldshoulderprobablycomesfromthephysicalactofturningyourbacktowardsomeoneinsteadofspeakingtohimfacetoface.Youmaygiveacoldshouldertoafriendwhohasnotkeptapromisehemadetoyou.Ortosomeonewhohasliedaboutyoutoothers. Acoldfishisnotafish.Itisaperson.Butitisapersonwhoisunfriendlyunemotionalandshowsnoloveorwarmth.Acoldfishdoesnotoffermuchofhimselftoanyone.Someonewhoisacoldfishcouldbecold﹣hearted.Nowacold﹣heartedpersonissomeonewhohasnosympathy.Severalpopularsongsinrecentyearswereaboutcold﹣heartedmenorcold﹣heartedwomenwhowithoutfeelingsbroketheheartsoftheirlovers. Outinthecoldmeansnotgettingsomethingthateverybodyelsegot.Apersonmightsaythateverybodybuthimgotapayraise﹣﹣﹣hewasleftoutinthecold.Anditisnotapleasantplacetobe. 1Thereareexpressionsrelatedtocoldthatarementionedinthepassage. A.3 B.4 C.6 D.7 2Whenyourefusetospeaktoamanandtreathiminadistantwayyoumayexpressby. A.Igivehimthecoldshoulder B.Ithinkheisacold﹣bloodedman C.Ithinkheisacoldfish D.I'mlikelytogetcoldfeet 3Thetopicofthispassageisabout. A.therelationshipbetweencoldandourbody B.someexpressionsaboutfriendship C.someexpressionsconnectedwithcold D.howcoldweathercomesintobeing
6分ChristmasEasterandBirthdaypartiescanbedifficulttimesforgrandmothersandparentsastheyrusharoundtryingtoarrangetheperfectcelebrationormakingeveryoneashappyaspossible!What'sbetterthanabirthdaypartythatmakesyourgrandchildsmilethroughoutoracelebrationthatimpressesrelativesandclosefriends? ThatiswhyGrannyLookhassuppliedinthissectiononeofthemostcomprehensiveguidestomakingthesespecialoccasionsthathappenperhapsonceayeararealsuccess. FromaselectionofAdventCalendarstopartyplanningorChristmas﹣stockingfillerswehaveallthepossibilitiescoveredsothatyourchildrenandgrandchildrenwillreallyhaveamemorabletimewithattractivegiftsandoriginalideas. Bringthatfestivespirittoallthosetraditionaldaysandensureyouarealwaysreadyforanypossibility.GrannyLook'sextensivelinksareboundtomakeeveryspecialoccasionanentirelydifferentexperiencefromtheyearbeforeandalloweveryonetofeelentertainedandcontent. CHRISTMAS﹣STOCKINGFILLERS LOOKnofurther!!GrannyLookhelpsthefamilytoprepareintimeforFATHERCHRISTMAS.GiveSANTACLAUSsomeideas.Hecanfillallthechildren'sChristmas﹣stockingswithgoodies!UniqueChristmasgiftsforchildren﹣stockingfillers. AGrannyLookfavorite! ADVENTCALENDARS Allchildrenlovethebuild﹣uptoCHRISTMAS!WhatisbetterthanchoosingoneofGrannyLook'sselectionofAdventCalendars!HereyouwillfindalistofwebsitestobuytraditionalorfunAdventCalendarsforchildrenatChristmastime. AGrannyLookfavorite! BIRTHDAYS LOOKINGforaSPECIALBIRTHDAYGIFT?ExploreGrannyLook'sselectionofPRESENTSPARTYPLANNINGPARTYTOYSandPARTYGAMESforyourChildrenandGrandchildren'sBIRTHDAYS. PlanandorganizetheKIDDIE'SPARTIESaheadoftime!! Don'tforgetthePERSONALISEDINVITATIONS! CHRISTMAS LOOKandBOOKnow!!GrannyLook'sselectionofCHRISTMASGIFTSforchildren. SomeguidestoWhat'soninyourarea…forthekids.PANTOSSHOWSTHEATRES…atChristmastime! UNIQUEChristmasgiftsforChildren.SpendQUALITYTIMEwithyourChildren'sChildrenthisFESTIVESEASON! 1FromthetextweknowthatGrannyLookis. A.apersonwhoguidesyoutomakeyouryearlycelebrationarealsuccess B.amagazinethathelpsthefamilytoprepareforspecialoccasions C.acompanythatsellsallsortsofproductsontheInternet D.awebsitethathelpsyoutoprepareforspecialoccasions 2YouwillfailtofindanyinformationatChristmaswhenyouneed. A.Christmascards B.funAdventCalendars C.Christmasgifts D.ticketsfortheaters 3IfyoursonwantsatraditionalAdventCalendaryoushouldsearch. A.Birthdays B.AdventCalendars C.Christmas﹣stockingfillers D.Christmas
下列关于正常人的血浆的叙述错误的是
下列有关生物大分子的叙述错误的是
30分AsachildIstartedlearningtoplaythepianomyfavoritemusical1butIwasforcedtogiveupwhenIstartedmymiddleschool2Icouldconcentratemoreonmystudies. It'soneofmybiggest3tostoppracticingthepianowhenIrecallsadlytoday.DuringthefollowingyearsIkepttellingmypianoteacherthatIwould4.HoweverIdidn'tkeepmypromisebecauseIwas5withmystudy.6Ilosttouchwithmyteacher.Someyearslatermyteacherdied.IwasverysadbecauseIlostsuchagoodteacher.Shewasaverywarmandgentleperson.Ithurtsmetothinkshemayhavebeen7thatIneverreturned.Ihaven'ttakenlessonssincethenbuttobehonestI8to.SittingatthepianoIcouldn'thelprecallingmany9﹣﹣timesofmypractisingathomeandplayingbeforemyteacherandonetimemyteacher10meafterIplayedentirepiecesofmusicwronginfrontofhercolleagues.Iwasso11thatIcouldhardlysayanything.Buther12helpedmeeasemyshame.Thesememories13goodorbadnevercausedmy14forplayingthepianoagain. Thisthoughtthenledmetothinkthat15islikemusicandthatwealltrytoplaydifferent16intheinstrumentofourlife.Sometimesthepitch音高is17whenweplayitwellbutsometimesweareoutoftone.Howeverweallcontinuetocreateourown18styleofmusic.Nomatterwhatstyleourmusicisitis19thatwesingthesongsofjoyquietnessandlove.ThoughImaynevermakeitbacktopianolessonsitdoesn't20thatI'vestoppedmakingmusic. 1A.instrument B.performance C.room D.stage 2A.because B.sothat C.nowthat D.for 3A.successes B.regrets C.decisions D.hobbies 4A.play B.graduate C.leave D.return 5A.occupied B.angry C.satisfied D.patient 6A.Actually B.Constantly C.Suddenly D.Gradually 7A.astonished B.glad C.disappointed D.amazed 8A.liked B.needed C.wanted D.decided 9A.dreams B.expressions C.words D.memories 10A.instructed B.hurt C.punished D.respected 11A.frightened B.moved C.embarrassed D.excited 12A.happiness B.satisfaction C.comfort D.sigh 13A.instead B.meanwhile C.therefore D.however 14A.hope B.courage C.feeling D.effort 15A.life B.learning C.attitude D.enjoyment 16A.cards B.sports C.roles D.games 17A.hard B.wonderful C.surprising D.complex 18A.unique B.boring C.common D.similar 19A.necessary B.strange C.possible D.important 20A.mater B.mean C.report D.appear
15分Iwantedtodosomethingspecialformy15﹣year﹣oldsonwhohasalwaysbeenaperfectboy.Heworkedallsummertoearnenoughmoneytobuy1heanewracing﹣bicycleinsteadofaskingformoneyfromme.Thenhespenthoursandhoursonit.Ilovedmysonsomuch2Iboughthimapairofsunglassesandgloves.Whenmysonrodetheracing﹣bicyclewiththemhelookedverycool.Hedreamed3takingpartinaraceandwinning. OnNovember10thmybirthdaywhenIwenttothekitchentostartthemilkandbreadinthemorningIfound4beautifulguitaronthetablebesidewhichwasacard5sayHappybirthdaytomywonderfulmother.Iwassurprisedandthenbegantosob.IrememberedonceI6joketomyfamilythatIwantedtolearnplayingtheguitartomakemylifecolorful.Ihad7forgetitbutmysonremembered.Hetookit8seriousandboughtmeoneasabirthdaygift.WhenIwondered9mysoncouldbuythisexpensivegiftsoonIrealizedthatmysonhadsoldhisracing﹣bicycle10getmetheguitar.
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