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直棱柱ABC﹣A1B1C1中,∠BCA=90°,M,N分别是A1B1,A1C1的中点,BC=CA=CC1,则BM与AN所成的角的余弦值为 .
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高二上学期数学《》真题及答案
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直三棱柱ABC-A1B1C1中∠BCA=90°M.N.分别是A1B1A1C1的中点BC=CA=CC1
如图直三棱柱ABC—A1B1C1中∠ACB=90°BC=AC=2AA1=4D.为棱CC1上一动点M.
如图在直三棱柱ABC—A1B1C1中∠ACB=90°B.1B=BC=CA=4D.1是A.1B1中点E
已知三棱柱ABC—A1B1C1的侧棱与底面边长都相等A1在底面ABC内的射影为△ABC的中心则AB1
A
B
C
D
如图所示直三棱柱ABC-A.1B.1C.1在底面△ABC中CA=CB=1∠BCA=90°棱AA1=2
侧棱垂直底面的三棱柱叫直三棱柱.已知直三棱柱ABC-A.1B.1C.1底面△ABC中CA=CB=1∠
直三棱柱ABC-A1B1C1中∠BCA=90°M.N.分别是A1B1A1C1的中点BC=CA=CC1
如图在直三棱柱ABC—A1B1C1中AA1=BC=AB=2AB⊥BC求二面角B1—A1C—C1的大小
如图直三棱柱ABC-A1B1C1底面△ABC中CA=CB=1∠BCA=90°棱AA1=2MN分别是A
如图直三棱柱ABC-A1B1C1底面△ABC中CA=CB=1∠BCA=90°棱AA1=2M.N.分别
直三棱柱ABCA.1B.1C.1中∠BCA=90°M.N.分别是A.1B.1A.1C.1的中点BC
直三棱柱ABC﹣
1
1
1
中,∠BCA=90°,M.,N.分别是A.
1
B.
1
,A.
1
C.
1
的中点,BC=CA=CC
1
,则BM与AN所成角的余弦值为( ) A.
B.
C.
如图10-22在正三棱柱ABC—A1B1C1中AB=3AA1=4M.为AA1的中点P.是BC上一点且
已知三棱柱ABC—A1B1C1的侧棱与底面边长都相等A1在底面ABC内的射影为△ABC的中心则AB1
A
B
C
D
如图在直三棱柱ABC—A1B1C1中AA1=BC=AB=2AB⊥BC求二面角B1—A1C—C1的大小
已知直三棱柱ABC﹣A1B.1C.1中∠BAC=90°侧面BCC1B.1的面积为2则直三棱柱ABC﹣
在直三棱柱ABC—A.1B.1C.1中AC=BC=1∠BCA=90°AA1=2并取A.1B.1A.1
.如图在直三棱柱ABC-A1B1C1中∠ABC=90°AB=AA1M.N.分别是ACB1C1的中点.
.如图在直三棱柱ABC-A1B1C1中点MN分别为线段A1B.B1C.的中点.1求证MN∥平面AA1
如图直三棱柱ABC—A1B1C1中AB⊥ACDE分别为AA1B1C的中点DE⊥平面BCC1.1证明A
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目前回收溴单质的方法主要有水蒸气蒸馏法和萃取法等.某兴趣小组通过查阅相关资料拟采用如下方案从富马酸废液含溴0.27%中回收易挥发的Br2 1操作X所需要的主要玻璃仪器为反萃取时加入20%的NaOH溶液其离子方程式为. 2反萃取所得水相酸化时需缓慢加入浓硫酸并采用冰水浴冷却的原因是. 3溴的传统生产流程为先采用氯气氧化再用空气水蒸气将Br2吹出.与传统工艺相比萃取法的优点是. 4我国废水三级排放标准规定废水中苯酚的含量不得超过1.00mg/L.实验室可用一定浓度的溴水测定某废水中苯酚的含量其原理如下 ①请完成相应的实验步骤 步骤1准确量取25.00mL待测废水于250mL锥形瓶中. 步骤2将4.5mL0.02mol/L溴水迅速加入到锥形瓶中塞紧瓶塞振荡. 步骤3打开瓶塞向锥形瓶中加入过量的0.1mol/LKI溶液振荡. 步骤4再用0.01mol/LNa2S2O3标准溶液滴定至终点消耗Na2S2O3溶液15mL.反应原理I2+2Na2S2O3=2NaI+Na2S4O6 步骤5将实验步骤1~4重复2次. ②该废水中苯酚的含量为mg/L. ③步骤3若持续时间较长则测得的废水中苯酚的含量填“偏高”“偏低”或“无影响”.
过渡元素铁可形成多种配合物如[FeCN6]4﹣FeSCN3等. 1Fe2+基态核外电子排布式为. 2科学研究表明用TiO2作光催化剂可将废水中CN﹣转化为OCN﹣并最终氧化为N2 CO2.OCN﹣中三种元素的电负性由大到小的顺序为. 3与CN﹣互为等电子体的一种分子为填化学式1molFeCN63﹣中含有σ键的数目为. 4铁的另一种配合物FeCO5熔点为﹣20.5℃沸点为103℃易溶于CCl4据此可以判断FeCO5晶体属于填晶体类型. 5铁铝合金的一种晶体属于面心立方结构其晶胞可看成由8个小体心立方结构堆砌而成.已知小立方体如图所示.该合金的化学式为.
下列指定反应的离子方程式正确的是
Readingcanbeasocialactivity.Thinkofthepeoplewhobelongtobookgroups.Theychoosebookstoreadandthenmeettodiscussthem.NowthewebsiteBookCrossing.comBookCrossing.comturnsthepageonthetraditionalideaofabookgroup.Membersgoonthesiteandregisterthebookstheyownandwouldliketoshare.BookCrossingprovidesanidentificationnumbertostickinsidethebook.Thenthepersonleavesitinapublicplacehopingthatthebookwillhaveanadventuretravelingfarandwidewitheachnewreaderwhofindsit.BrucePedersonthemanagingdirectorofBookCrossingsays'Thetwothingsthatchangeyourlifearethepeopleyoumeetandbooksyouread.BookCrossingcombinesboth.'Membersleavebooksonparkbenchesandbusesintrainstationsandcoffeeshops.Whoeverfindstheirbookwillgotothesiteandrecordwheretheyfoundit.Peoplewhofindabookcanalsoleaveajournalentrydescribingwhattheythoughtofit.E﹣mailsarethensenttotheBookCrossingtokeepthemupdatedaboutwheretheirbookshavebeenfound.Brucepetersonsaystheideaisforpeoplenottobeselfishbykeepingabooktogatherdustonashelfathome.BookCrossingispartofatrendamongpeoplewhowanttogetbacktothe'real'andnotthevirtual虚拟.Thesitenowhasmorethanonemillionmembersinmorethanonehundredthirty﹣fivecountries.29.Whydoestheauthormentionbookgroupsinthefirstparagraph?A.Toexplainwhattheyare.B.TointroduceBookCrossing.C.Tostresstheimportanceofreading.D.Toencouragereaderstosharetheirideas.30.Whatdoestheunderlinedword'it'inParagraph2referto?A.Thebook.B.Anadventure.C.Apublicplace.D.Theidentificationnumber.31.WhatwillaBookCrosserdowithabookafterreadingit?A.Meetotherreaderstodiscussit.B.Keepitsafeinhisbookcase.C.Passitontoanotherreader.D.Mailitbacktoitsowner.32.Whatisthebesttitleforthetext?A.OnlineReadingAVirtualTourB.ElectronicBooksAnewTrendC.ABookGroupBringsTraditionBackD.AWebsiteLinksPeoplethroughBooks.
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Λ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. Amostinterestingthinghappenedtomelastwinter.DuringmywintervocationIspendmyluckymoneyonagiftforGrandma.OneFridayafternoonIwenttoacellphonestoreandchosealargerbuttonphonespecialdesignedforseniors.IgavethemtomygrandmawhenIcametovisitherattheweekend.UponreceivethephoneGrandmawasveryhappyandeagerlearnhowtouseit.Ihadpatientlyexplainedalltheimportantfunctionssheneeded.Grandmalearnedcarefullybutwantedtohaveatrystraightaway.Undermyhelpshesuccessfullycalledhergoodfriend.ThatafternoonGrandmaproudlytoldtheneighborthatshecouldmakecallswiththenewphoneIboughther.TheyallpraisedwhatthoughtfulIwas.
Ifyoufeelstressedbyresponsibilitiesatworkyoushouldtakeastepbackandidentify识别thoseof61greatandlessimportance.Thenhandlethemostimportanttasksfirstsoyou'llfeelarealsenseof62achieve.Leavingthelessimportantthingsuntiltomorrow63beoftenacceptable.Mostofusaremorefocused64ourtasksinthemorningthanwearelaterintheday.Sogetanearlystartandtrytobeasproductive65possiblebeforelunch.Thiswillgiveyoutheconfidenceyouneedtogetyouthroughtheafternoonandgohomefeelingaccomplished.Recent66studyshowthatwearefarmoreproductiveatworkifwetakeshortbreaks67regular.Giveyourbodyandbrainarestbysteppingoutsidefor68whileexercisingordoingsomethingyouenjoy.Ifyoufindsomethingyoulovedoingoutsideoftheofficeyou'llbelesslikely69bringyourworkhome.Itcouldbeanything﹣gardeningcookingmusicsports﹣butwhateveritis70makesureit'sarelieffromdailystressratherthananotherthingtoworryabout.
﹣﹣﹣Weshalltaketheconditionyou'veattachedtothisprojectintocarefulconsideration. ﹣﹣﹣Thanksalot. A.where B.when C.which D.what
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.
8分RecentlytheTVshow'WherearewegoingDad?'producedbyHunanSatelliteTelevisionisabighitacrossnation.Manyfamousstarsbroughttheirchildrentoastrangevillagealoneandtheyhadtospend72hourswiththeirchildrenthere.Theprogramfullyshowedusamodernversionofthe'howtobeagoodfather'.Astheyoungparentstodayaretoobusytotakecareoftheirchildrenthisnewformof'Lostontheway'playedbynannyDaddyandcutekidstriggered触发alotofpeople'semotionalresonance共鸣.Boththekidsandtheirparentswillfindthattheirheartsarebeingdrawncloser.Butthiskindoffeelinghasjustprovedthatthereisabigspiritualbarrierbetweenthemodernparentsandchildren.TheTVshowslike'Childrenarehardtosupport!''WherearewegoingDad?''hotmom'and'cutekids'arebecomingmoreandmorepopular.Alloftheseshowthenewparents'confusioninchildren'seducationandtheappealforthebalancebetweencareerandfamily.Inthereallifeontheonehandtheyoungparentsfeelhelplessbecausetheyaretoobusytoaccompanytheirchildrenunderthepressuresofworkandlifeontheotherhandtheycontinuetodoso.ThedatacollectedbyHNTVshowsthatnearlytwo﹣thirdsoftheiraudiencearefemaleamongwhom36%areagedfrom25to34.Wecanimaginesuchascenethatoneeveningayoungmotheriswatchingtheshowwithheryoungchildrenwhileherhusbandisstillatworkortrappedinsocializingormaybeisjustplayingcomputergamesinthebedroom.Thestoryofachildwithoutthecompanyoffatherisstillgoingon.Infactitissometimesthesametomothers.Inamodernfamilyitisoftentheoldwhotaketheresponsibilityofraisingachild.Theparticipationofmotherinthechildren'seducationisalsoverylow.Itisjustthiskindofconfusionwheretheparentshavegoneinthemodernfamilyeducationandwheretheparentswillguidetheirchildrentogothat'WherearewegoingDad?'showsus.Ifachildwantstogrowuphealthilyandsafelyintoamoderncitizenwithindependentpersonalityandfreespirititisveryimportantforhimorhertofollowtheparentswhoserveastheirfirstteacher.MaybethisistherealreasonwhysuchkindofTVprogramscouldgethot.Thetruthisthatchildrenwillgowheretheirparentsgoandsocietywillgowherethechildrengo.1Toraiseachildinmodernsocietyparentsshould.A.breakdownthebarrierbetweenchildrenandteachersB.balancewellbetweenfamilyandcareerC.playcomputergameswiththeirchildrenD.keeptheirchildrenathometoavoidsocializing2Whatdoestheunderlinedword'participation'probablymean?A.takingresponsibilityB.understandingC.takingpartD.keepingcompany3Whatattitudetowardsmodernfamilyeducationdoestheauthorexpressinthesecondparagraph?A.Optimistic.B.Indifferent.C.Proud.D.Worried.4Whichoneisthebesttitleofthepassage?A.NewproblemsinModernChildren'sEducationB.ModernEducationisImportantC.ConfusionBehind'Wherearewegoingdad?'D.NannyDaddyandCuteKids
Augustalwayscomes______weremembernothingbutclearskiesgreenfieldsandsweet﹣smellingflowers. A.before B.until C.when D.if
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.TheyweremadelastweekB.TheyshowedunderseasceneriesC.TheywerefoundbyacameramanD.Theyrecordedadisastrousadventure34.WhoreachedtheSouthPolefirstaccordingtothetext?A.FrankHurleyB.ErnestShackletonC.RobertFalconScottD.CarolineAlexander35.WhatdoesAlexanderthinkwasthepurposeofthe1914voyage?A.ArtisticcreationB.ScientificresearchC.MoneymakingD.Treasurehunting.
短周期主族元素XYWZR的原子序数依次增大.其中XZ同主族Z的单质是一种良好的半导体材料W3+与Y2﹣具有相同的核外电子数R是同周期中原子半径最小的元素.下列叙述正确的是
Agardenthat'sjustrightforyouHaveyouevervisitedagardenthatseemedjustrightforyouwheretheatmosphereofthegardenappearedtototalmorethanthesum总和ofitsparts?36.Butitdoesn'thappenbyaccident.Itstartswithlookinginsideyourselfandunderstandingwhoyouarewithrespecttothenaturalworldandhowyouapproachthegardeningprocess.●37Somepeoplemaythinkthatagardenisnomorethanplantsflowerspatternsandmassesofcolor.Othersareconcernedaboutusinggardeningmethodsthatrequirelesswaterandfewerfertilizers肥料.38.Howeverthereareanumberofotherreasonsthatmightexplainwhyyouwanttogarden.Oneofthemcomesfromourearliestyears.●Recall回忆yourchildhoodmemoriesOurmodelofwhatagardenshouldbeoftengoesbacktochildhood.Grandma'srosegardenandDad'svegetablegardenmightbegoodorbadbutthat'snotwhat'simportant.39﹣﹣howbeinginthosegardensmadeusfeel.Ifyou'dliketobuildapowerfulbondwithyourgardenstartbytakingsometimetorecallthegardensofyouryouth.40thengooutsideandworkoutaplantotranslateyourchildhoodmemoriesintoyourgrown﹣upgarden.Havefun.A.KnowwhyyougardenB.FindagoodplaceforyourowngardenC.It'sourexperienceofthegardenthatmattersD.It'sdelightfultoseesomanybeautifulflowersE.StillothersmaysimplyenjoybeingoutdoorsandclosetoplantsF.YoucanproducethatkindofmagicalqualityinyourowngardentooG.Foreachofthosegardenswriterdownthestrongestmemoryyouhave.
8分•Putsunscreen防晒油onbeforegoingoutinthesun.•Takeitwithyou.•Useit﹣afteraswim.﹣everyhourorsowhileplayingoutdoors.﹣ifyougetsweaty.•Coverupwhenthesunisoverhead﹣10a.m.﹣2p.m..﹣especiallyatlunchtime.•Getyoursuntan晒黑graduallyandnottoomuch.•Controlledexposure暴露tosunshinehelpsavoidskincancer.Askyourchemisttorecommendasuitablesunscreen.QueenslandCancerFundP.O.BoxSpringHillQLD.4000Phone078397077ProvidedforcommunityawarenessbytheQueenslandCancer1Thispassageismostlikelytobe.A.anarticlefromastudenttextbookB.adirectionfromabottleofmedicineC.asuggestionfromachemistD.anadvertisementfromanewspaper2WhichstatementisTRUE?A.Youshouldfrequentlyputonsunscreenwhileplayingoutdoors.B.You'llneverhaveskincancerwithcontrolledexposure.C.Youmustn'tstayoutsidefrom10a.m.to2p.m.D.Themoreyougetsunshinethebetteryourhealthwillbe.3AccordingtothepassagewecanseethatQueenslandCancerFundwantsto_.A.sellsunscreenshirtandhatB.helppeopleguardagainstskincancerC.encouragepeopletoplayinthesunD.makemoneyoutofsunscreen4Ifyouwantasunscreenyoushouldaskforadvice.A.thesellerB.theadvertiserC.yourdoctorD.yourparents
Peoplecomeintoyourlifeforareasonaseasonoralifetime.Whenyouwhichoneitisyouwillknowwhattodoforeachperson. A.giveout B.leaveout C.turnout D.figureout
Laplacetheastronomerwasstillatworkwhendeathhimatseventy﹣eight. A.putupwith B.catchupwith C.lineupwith D.comeupwith
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探究氨气及铵盐性质的过程中下列根据实验现象得出的结论不正确的是
FiveyearsagowhenItaughtartataschoolinSeattleIusedTinkertoysasatestatthebeginningofatermtofindoutsomethingaboutmystudents.IputasmallsetofTinkertoysinfrontofeachstudentandsaid'MakesomethingoutoftheTinkertoys.Youhave45minutestoday﹣and45minuteseachdayfortherestoftheweek.'Afewstudentshesitatedtostart.Theywaitedtoseetherestoftheclasswoulddo.Severalotherscheckedtheinstructionsandmadesomethingaccordingtooneofthemodelplansprovided.Anothergroupbuiltsomethingoutoftheirownimaginations.OnceIhadaboywhoworkedexperimentallywithTinkertoysinhisfreetime.Hisconstructionsfilledashelfintheartclassroomandagoodpartofhisbedroomathome.Iwasdelightedatthepresenceofsuchastudent.Herewasanexceptionallycreativemindatwork.HispresencemeantthatIhadanunexpectedteachingassistantinclasswhosecreativitywouldinfect感染otherstudents.Encouragingthiskindofthinkinghasadownside.Irantheriskoflosingthosestudentswhohadadifferentstyleofthinking.Withoutfailonewoulddeclare'ButI'mjustnotcreative.''Doyoudreamatnightwhenyou'reasleep?''Ohsure.''Sotellmeoneofyourmostinterestingdreams.'Thestudentwouldtellsomethingwildlyimaginative.Flyingintheskyorinatimemachineorgrowingthreeheads.'That'sprettycreative.Whodoesthatforyou?''Nobody.Idoit.''Really﹣atnightwhenyou'reasleep?''Sure.''Trydoingitinthedaytimeinclassokay?'25.TheteacherusedTinkertoysinclassinorderto?A.knowmoreaboutthestudentsB.makethelessonsmoreexcitingC.raisethestudents'interestinartD.teachthestudentsabouttoydesign26.WhatdoweknowabouttheboymentionedinParagraph3?A.Helikedtohelphisteacher.B.Hepreferredtostudyalone.C.Hewasactiveinclass.D.Hewasimaginative.27.Whatdoestheunderlinedword'downside'inParagraph4probablymean?A.Mistake.B.Drawback.C.Difficulty.D.Burden.28.Whydidtheteacheraskthestudentstotalkabouttheirdreams?A.Tohelpthemtoseetheircreativity.B.Tofindoutabouttheirsleepinghabits.C.Tohelpthemtoimprovetheirmemory.D.Tofindoutabouttheirwaysofthinking.
2014年诺贝尔化学奖授予超高分辨率荧光显微镜的贡献者.人类借助于这种显微镜可以观察到单个的蛋白质分子.下列有关叙述不正确是
假定你是李华你校摄影俱乐部photographyclub将举办国际中学摄影展.请给你的英国朋友Peter写封信.请他提供作品.信的内容包括 1.主题环境保护 2.展览时间 3.投稿邮箱intlphotoshow@gmschool.com. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯.
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下列物质性质与应用对应关系正确的是
TheexperimenthasbeenfinishedbutnooneknowswhatgreatdifficultyIhad______it. A.making B.made C.tomake D.formaking
福酚美克是一种影响机体免疫力功能的药物可通过以下方法合成 1B中的含氧官能团有和填名称. 2C→D的转化属于反应填反应类型. 3已知E→F的转化属于取代反应则反应中另一产物的结构简式为. 4AC9H10O4的一种同分异构体X满足下列条件 Ⅰ.X分子有中4种不同化学环境的氢. Ⅱ.X能与FeCl3溶液发生显色反应. Ⅲ.1molX最多能与4molNaOH发生反应. 写出该同分异构体的结构简式. 5已知+R3CHO根据已有知识并结合相关信息写出以为原料制备的合成路线流程图无机试剂任用. 合成路线流程图示例如下 CH3CH2BrCH3CH2OHCH3COOCH2CH3.
一定温度下在三个体积均为2.0L的恒容密闭容器中发生如下反应PCl5g⇌PCl3g+Cl2g 下列说法正确的是
30分Mygrandmotherwasalwaysencouragingmetosetgoalsandworkhardtoachievethem.Shewouldtellmenottobeafollowerandnottoset1onwhatIcouldachieve.She2believedthattherewerenolimitsthatyoucould3whateveryouwanted.Iwouldneverforgetthefollowingstorythatsheoncetoldme.Afarmerwonfirst4atthecountryfairforhishugeradish小萝卜thatwastheexactshapeand5ofamilkbottle.Manywere6astohowthefarmerwasabletogrowthisradishthatwastheexactshapeofamilkbottle.7onegentlemanwentuptothefarmerandaskedthequestion.Thefarmerreplied'Itwas8.IgottheseedgrowingandthenIputitintothemilkbottle.Ithad9elsetogo.'Youcanusethisstoryasananalogy比喻tolife﹣ourlivesare10bythekindofsurroundingsweplaceourselvesinthepeoplethatweallowto11usandthegoalswegiveourselves.Ifweonly12andtakenoactionthenwegetnofurther.Butifwe13setagoalandtakeactionthenourlifetakesa14shape.Goalsandactionscanhelpusaccomplishmoreinayearthanwhatsomepeoplewillaccomplishinalifetime.Toprovethis15readthebiographiesof16peopleandyouwillseethatgoalsandactions17playedabigroleintheirsuccess.Rememberthe18ofMaryKayAshwhosaid'Don'tlimityourself.Manypeoplelimitthemselvestowhattheythinktheycando.Youcango19yourmindletsyou.Whatyoubelieverememberyoucanachieve.'Insummarydon'tputyourselfinabottleinotherwordsmoveoutofwhatis20andsecureifyouwanttomoveforward.1A.expectations B.rules C.limits D.lines2A.truly B.naturally C.tightly D.partly3A.win B.grasp C.realize D.achieve4A.price B.prize C.position D.award5A.size B.length C.weight D.height6A.doubtful B.worried C.anxious D.curious7A.Immediately B.Gradually C.Finally D.Actually8A.strange B.easy C.funny D.secret9A.nowhere B.everywhere C.somewhere D.anywhere10A.shaped B.formed C.controlled D.improved11A.understand B.help C.influence D.contact12A.dream B.refuse C.doubt D.change13A.struggle B.refuse C.continue D.plan14A.beautiful B.different C.solid D.clear15A.truth B.lesson C.point D.evidence16A.successful B.brave C.friendly D.careful17A.asusual B.aboveall C.atall D.infact18A.case B.wisdom C.thought D.speech19A.asif B.incase C.asfaras D.aslongas20A.comfortable B.valuable C.ordinary D.boring
Sciencefictionsofthe1960sand1970spredictedthatpillswouldreplacemealsastheway_______peoplewouldgetthefueltheyneeded. A./ B.which C.How D.where
25℃时下列各组离子在指定溶液中一定能大量共存的是
Hundredsofpeoplehaveformedimpressionsofyouthroughthatlittledevice装置onyourdesk.Andthey'veneveractually41you.Everythingtheyknowaboutyou42throughthisdevicesometimesfromhundredsofmilesaway.43heyfeeltheycanknowyou44fromthesoundofyourvoice.That'showpowerfulthe45is.Powerfulyesbutnotalways46.ForyearsIdealtwithmytravelagentonlybyphone.RanimyfacelessagentwhomI'dnevermet47gotmerock﹣bottompricesonairfarescarsandhotels.Buthercoldvoicereally48me.Isometimeswishedto49anotheragent.OnemorningIhadto50animmediateflighthomeforafamilyemergency.IranintoRani'soffice51.Thewomansittingatthedesk52mymadnesssympatheticallyjumpedup.Shegavemea53smilenoddedwhilelisteningpatientlyandthenprintedoutthe54immediately.'Whatawonderfullady!'Ithought.Rushingout55Icalledoutovermyshoulder'Bythewaywhat'syourname?''I'mRani'shesaid.Iturnedaroundandsawa56womanwithabigsmileonherfacewavingtowishmeasafetrip.Iwas57!WhyhadIthoughtshewascold?Raniwaswellso58.SittingbackinthecaronthewaytotheairportIfigureditallout.Rani's59﹣﹣﹣herwarmsmilehernodsher‘I'mhereforyou'60﹣﹣﹣wereallsilentsignalsthatdidn'ttravelthroughwires.41.A.accepted B.noticed C.heard D.met42.A.came B.moved C.ran D.developed43.A.Thus B.Yet C.Then D.Indeed44.A.rather B.also C.just D.already45.A.Telephone B.voice C.connection D.impression46.A.direct B.useful C.easy D.accurate47.A.inperson B.bymyself C.inpublic D.onpurpose48.A.annoyed B.interested C.discouraged D.confused49.A.promote B.train C.find D.know50.A.arrange B.postpone C.confirm D.book51.A.forthefirsttime B.atanytime C.fromtimetotime D.ingoodtime52.A.expecting B.seeing C.testing D.avoiding53.A.shy B.comforting C.familiar D.forced54.A.bill B.form C.ticket D.list55.A.hopefully B.disappointedly C.gratefully D.regretfully56.A.careful B.serious C.nervous D.pleasant57.A.amused B.worried C.helpless D.speechless58.A.calm B.nice C.proud D.clever59.A.forgiveness B.eagerness C.friendliness D.skillfulness60.A.explanation B.attitude C.concept D.Behavior
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