首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
2018年11月20日7时40分，我国在酒泉卫星发射中心用长征二号丁运载火箭，成功将试验六号卫星及天平一号A星、B星、嘉定一号和软件定义卫星等4颗微纳卫星发射升空，完成了“一箭5星”的壮举．已知，人...
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
天宫一号于2011年9月29日21时16分3秒在卫星发射中心发射
西昌
酒泉
太原
文昌
2017年1月9日12时11分我国在酒泉卫星发射中心用快舟一号甲小型运载火箭成功发射吉林一号灵巧视频
火箭点火
导流槽内的水受热汽化
隔热材料脱落
整流罩脱落
天宫一号Tiangong-1是中国第一个目标飞行器于2011年9月29日21时16分3秒在酒泉卫星发
广东省
云南省
甘肃省
新疆维吾尔自治区
2016年8月16日我国在酒泉卫星发射中心用长征二号丁运载火箭成功将世界首颗科学实验卫星墨子号发射升
量子
质子
中子
光子
2013年9月2日3时16分我国在酒泉卫星发射中心用运载火箭成功将遥感卫星十七号发射升空卫星顺利进入
人民网西昌2007年10月24日电24日18时05分我国在西昌卫星发射中心用长征三号甲运载火箭将嫦娥
10月24日5时05分
10月24日6时05分
10月24日10时05分
10月24日11时05分
北京时间2008年9月25日21时10分04秒我国航天事业又迎来一个历史性时刻我国自行研制的载入飞船
人民网西昌2007年10月24日电24日18时05分我国在西昌卫星发射中心用长征三号甲运载火箭将嫦娥
10月24日5时05分
10月24日6时05分
10月24日10时05分
10月24日11时05分
2007年10月24日电24日18时05分我国在西昌卫星发射中心用长征三号甲运载火箭将嫦娥一号卫星成
10月24日5时05分
10月24日6时05分
10月24日10时05分
10月24日11时05分
下图为我国的四大卫星发射中心据此回答问题1.2013年12月2日1时30分我国在西昌卫星发射中心用长
发射之日，地球公转的速度越来越慢
发射之日，酒泉的昼最长
发射之时，地球上处于12月2日的范围比12月1日的范围大
发射之时，选择夜间是便于光学仪器的追踪 2.关于四大卫星发射中心，地面的建筑物说法正确的是 A.角速度最大的是文昌 B.线速度最大的是酒泉 C.角速度相同 D.线速度相同 3.嫦娥三号发射时，纽约(西五区)的区时是 A.12月1日14时30分 B.12月1日12时30分 C.12月2日14时30分 D.12月2日4时30分
2001年1月10日1时0分我国自行研制的神舟二号无人飞船在酒泉卫星发射中心发射升空10分钟后成功进
1999年11月20日我国在酒泉卫星发射中心发射了神舟号______标志着我国在航天技术上取得了新的
返回式卫星
远程运载火箭
载人航天试验飞船
资源卫星
2005年10月19日上午9时酒泉卫星发射中心成功发射神州里要载人飞船酒泉卫星发射中心位于
甘肃省
青海省
四川省
陕西省
天宫一号Tiangong﹣1是中国第一个目标飞行器于2011年9月29日21时16分3秒在酒泉卫星发
广东省
云南省
甘肃省
新疆维吾尔自治区
2008年9月-25日21时10分04秒我国自行研制的_______七号载人飞船在酒泉卫星发射中心升
2008年9月25日神州7号飞船搭载飞行员在酒泉卫星发射中心发射升空其中齐齐哈尔籍两位是谁
2008年9月25日神州7号飞船搭载哪几位飞行员在酒泉卫星发射中心发射升空
1999年11月20日我国在酒泉卫星发射中心成功发射了神舟号标志着我国在航天技术上取得了新的重大突破
返回式卫星
远程运载火箭
载人航天试验飞船
资源卫星
神舟七号飞船于北京时间2008年9月25日21时10分从酒泉卫星发射中心发射升空据此完成下题神舟七号
9月26日5时10分
9月24日21时10分
9月25日13时10分
9月25日11时10分
2009年4月15日零时16分我国在成功将北斗二号导航卫星发射升空
太原卫星发射中心
酒泉卫星发射中心
海南卫星发射中心
西昌卫星发射中心
热门试题
更多
OldTomhadfoursons.Hewantedthem1learnnottojudgethingstooquickly.Sohesentthemtolookatanappletreeindifferentseasons.Thefirstsonwentinwinterthesecondinspringthethirdinsummerandtheyoungestinautumn.Whentheyallcamebackhecalledthemtogethertodescribe2theyhadseen.Thesonshaddifferent3opinion.Tomthentoldthemthattheyshouldn'tjudgeatreeorapersonbyonlyoneseason.
假设你是红星中学高三学生李华你的英国朋友Jim在给你的邮件中提到他暑假将来北京参加外国人唱中国歌大赛希望你为他推荐一首中文歌曲.请给他回邮件内容包括 1.推荐曲目 2.推荐理由 3.你的祝愿. 注意1.词数不少于50 2.开头和结尾已给出不计入总词数. DearJim Yours LiHua
Ablackholeisaspotinspacethathas1powergravity.Itsgravityissostrongthatitpullseverythingnearbyintoitstarsplanetsandotherthings.Blackholesformwhenastardies.Whenthathappensahugeamountofmattercrowdsintoaverysmallspace2becomesverydense.Blackholes3talkaboutin1783first.Thatyearonescientistsaidthatintheuniversetheremightbeplaceswithstronggravitytotraplightalthoughhedidn'tusethetermblackhole.
RayTokudaa54﹣year﹣oldJapaneseAmericanisproudofthetitlehisschoolhasgivenhim.HeisaShifuaChinesewordliterallymeaningamastermentororseniorpractionerofmartialarts. Tokudahasreasontobeproud.HehasbeeninvolvedwithChinesemartialartsforalmostfourdecades.AfterlearningthematthemartialartsschoolinNewMexicoStatetodayheisamongthemostexperiencedkungfuteachersoftheschool. PracticingmartialartstwotothreehoursandhelpingstudentsimprovetheirskillshavebecomeTokuda'sdailyroutine.Heexpectstopracticeandteachmartialartsfortherestofhislife.I'mstilllearning.It'sworthmorethanalifetimetolearnChinesemartialartshesaid.OnceIstartedIjustcouldn'tstop.Ithinkit'salsothemagicofChineseculture. Tokudawassenttothemartialartsschoolwhenhewas10.Hestillremembershowunwillinghewaswhenstartingout.MyfatherhadalwayswantedtolearnChinesemartialartsbutnevergotthechancesoheputhiskidinhesaid.IwassoafraidatthattimebecauseIthoughtkungfuwasallaboutfighting. Butthingschangedafterhelearnedthatmartialartsweremorethanpunchingandkicking. OneofthethingsmartialartsteachmeisovercomingadversityTokudasaid.AsalittlekidmyfirstlessonwaslikeohlookthisisathingthatIcangetthroughbydiligenceperseverance毅力anddedicationandthatwaspricelessformylife. LearningChinesemartialartsopenedagatewayforhimtobetterunderstandChineseculturebecausehecouldhearalotofancientChinesekungfu﹣relatedstories.ItislikeinAmericawherewehearstoriesaboutknightsinshiningarmorandKingArthurandnobledeedsdonehesaid.IfeelmartialartspreservesomethingofancientChinathatcan'tbefoundinbooks.Theyaresortofanoralhistory. TokudahasalsobeeninvitedtovariouseventsinhishomestatetoshowcasetraditionalChinesecultureincludingthedragondanceandliondancewhichhealsolearntatthemartialartsschool.Becauseofthisheisnowconsideredaculturalenvoy使者intheeyesofthepublic. 1Tokudadidn'twanttolearnkungfubecausehehadthoughtitwas. A.practical B.magical C.violent D.difficult 2FromthepassagewhatcanwelearnaboutTokuda A.Helearntmartialartsfromhisfather. B.Heisthefounderofthekungfuschool. C.Helearntfrommartialartshowtodealwithdifficulties. D.Heisthemostexperiencedkungfuteacherofhisstate. 3WhichofthefollowingwordscanbestdescribeTokuda A.Modestandfriendly. B.Devotedandpersevering. C.Talentedandhumorous. D.Motivatedandconsiderate.
直接排放含SO2的烟气会形成酸雨危害环境．工业上常采用催化还原法和碱吸收法处理SO2气体． 1①下图为1molCH4完全燃烧生成气态水的能量变化和1molSg燃烧的能量变化． 在催化剂作用下CH4可以还原SO2生成单质SgH2Og和CO2写出该反应的热化学方程式． ②某温度下向体积为2L的容器中充入6molH24molCO2发生反应CO2g+3H2g⇌CH3OHg+H2Og△H＜0达到平衡时H2的转化率为50%其平衡常数为保留两位有效数字． ③起始条件T1℃2L密闭容器如表所示 达到平衡时该反应的平衡常数KⅠKⅡ填“＞”“＜”或“＝”下同平衡时CH3OH的浓度cⅠcⅡ． 2CO2可用来合成低碳烯烃2CO2g+6H2gCH2⇌CH2g+4H2Og△H＝﹣127.8kJ•mol﹣1．0.1MPa下按nCO2nH2＝13的投料比充入体积固定的密闭容器中发生上述反应不同温度T下平衡时的四种气态物质的质量分数Φ如图所示 ①曲线bc表示的物质分别为填化学式． ②保持温度不变在体积为VL的恒容容器中以nCO2nH2＝23的投料比加入反应物t0时达到化学平衡．t1时将容器体积瞬间扩大至2VL并保持不变t2时重新达到平衡．请在图中画出容器内混合气体的平均相对分子质量M随时间的变化图象． 3用氨水吸收SO2．25℃时2.0mol•L﹣1的氨水中NH3•H2O的电离度α＝α＝×100%．将含SO2的烟气通入该氨水中当溶液显中性时溶液中的＝．[已知25℃KbNH3•H2O＝1.8×10﹣5Ka1H2SO3＝1.3×10﹣2Ka2H2SO3＝6.2×10﹣8]
2x-8的展开式中的常数项为．
已知a=log52b=log0.50.2c=0.50.2则abc的大小关系为
轴烯旋烷是一类具有张力的碳氢化合物结构如图所示．下列说法错误的是
2018年10月中国美丽乡村百家范例经验交流会在我省举办．下列做法不应该提倡是
设甲乙两位同学上学期间每天730之前到校的概率均为．假定甲乙两位同学到校情况互不影响且任一同学每天到校情况相互独立． Ⅰ用X表示甲同学上学期间的三天中730之前到校的天数求随机变量X的分布列和数学期望 Ⅱ设M为事件“上学期间的三天中甲同学在730之前到校的天数比乙同学在730之前到校的天数恰好多2”求事件M发生的概率．
叶蜡石的化学式为X2[Y4Z10]ZW2短周期元素WZXY的原子序数依次增大X与Y为同一周期相邻元素Y的最外层电子数为次外层的一半X的离子与ZW﹣含有相同的电子数．下列说法错误的是
设变量xy满足约束条件则目标函数z=-4x+y的最大值为
Smile!Itmakeseveryoneintheroomfeelbetterbecausetheyconsciouslyorunconsciouslyaresmilingwithyou.Growingevidenceshowsthataninstinctforfacialmimicry模仿allowsustoempathizewithandevenexperienceotherpeople'sfeelings.Ifwecan'tmirroranotherperson'sfaceitlimitsourabilitytoreadandproperlyreacttotheirexpressions.AreviewofthisemotionalmirroringappearsonFebruary11inTrendsinCognitiveSciences. IntheirpaperPaulaNiedenthalandAdrienneWoodsocialpsychologistsattheUniversityofWisconsindescribehowpeopleinsocialsituationscopyothers'facialexpressionstocreateemotionalresponsesinthemselves.Forexampleifyou'rewithafriendwholookssadyoumighttryonthatsadfaceyourselfwithoutrealizingyou'redoingso.Intryingonyourfriend'sexpressionithelpsyoutorecognizewhatthey'refeelingbyassociatingitwithtimesinthepastwhenyoumadethatexpression.Humansgetthisemotionalmeaningfromfacialexpressionsinamatterofonlyafewhundredmilliseconds. Youreflectonyouremotionalfeelingsandthenyougeneratesomesortofrecognitionjudgmentandthemostimportantthingthatresultsinisthatyoutaketheappropriateaction﹣youapproachthepersonoryouavoidthepersonNiedenthalsays.Yourownemotionalreactiontothefacechangesyourperceptionofhowyouseethefaceinsuchawaythatprovidesyouwithmoreinformationaboutwhatitmeans. Aperson'sabilitytorecognizeandshareothers'emotionscanbepreventedwhentheycan'tmimicfaces.Thisisacommoncomplaintforpeoplewithmotordiseaseslikefacialparalysis瘫痪fromastrokeorevenduetonervedamagefromplasticsurgery.Niedenthalnotesthatthesamewouldnotbetrueforpeoplewhosufferfromparalysisfrombirthbecauseifyou'veneverhadtheabilitytomimicfacialexpressionsyouwillhavedevelopedcompensatorywaysofinterpretingemotions. Peoplewithsocialdisordersassociatedwithmimicryoremotion﹣recognitiondamagelikeautism自闭症canexperiencesimilarchallenges.TherearesomesymptomsinautismwherelackoffacialmimicrymayinpartbeduetolimitationofeyecontactNiedenthalsays. Niedenthalnextwantstoexplorewhatpartinthebrainisfunctioningtohelpwithfacialexpressionrecognition.Abetterunderstandingofthatpartshesayswillgiveusabetterideaofhowtotreatrelateddisorders. 1Accordingtothepassagefacialmimicryhelps. A.experienceone'sownfeelingsclearly B.changeothers'emotionsquickly C.respondtoothers'expressionsproperly D.developfriendshipwithotherseasily 2WecanknowfromParagraph4and5that. A.peoplewithmotordiseasesmayalsosufferfromautism B.peoplebornwithfacialparalysismaystillrecognizeemotions C.peoplewithsocialdisorderscan'thaveeyecontactwithothers D.peoplereceivingplasticsurgeryhavedifficultyinmimickingfaces 3AccordingtoNiedenthalthenextstepofthestudywillfocuson. A.howwecantreatbraindisorders B.whatcanbedonetoregainfacialmimicry C.howourbrainhelpsuswithemotionalmirroring D.whatpartofourbrainhelpsrecognizefacialexpression 4Thepassageiswrittento. A.discusshowpeoplereactpositivelytoothers'smiles B.drawpeople'sattentiontothosewithsocialdisorders C.introduceanewtrendinfacialexpressionrecognition D.explainhowemotionalmirroringaffectspeople'sempathy
已知函数fx=2lnx-x2． Ⅰ求fx在点P2f2处的切线方程 Ⅱ若函数y=fx与y=m在内恰有一个交点求实数m的取值范围 Ⅲ令gx=fx-nx如果gx图象与x轴交于Ax10Bx20x1＜x2AB中点为Cx00求证g'x0≠0．
已知a∈R．设函数fx=若关于x的不等式fx≥0在R上恒成立则a的取值范围为
阅读如图的程序框图运行相应的程序输出S的值为
Everyone1lovesnow.Butwhenschoolstaysopendespitethesnowitcanbereallyannoying.Howeverthereisoneupsideofgoingtoschool2acoldwinterdayyoumightbesmarter.Sofarresearcherswhostudythebrain3findthatcoldtemperaturesmakeusthinkmorequicklysincemessagestravelfasteramongourbraincells.Sothescientistssay4hangoutonacoldmorningmayboosttheresultofanytestthatday.
下列关于Cl2的制备净化收集及尾气处理的装置和原理能达到实验目的是
NewAppHelpsPeopleRememberFaces Largegatheringssuchasweddingsandconferencescanbesociallyoverwhelming.Pressuretolearnpeople'snamesonlyaddstothestress.Anewfacial﹣recognitionappcouldcometotherescuebutprivacyexpertsrecommendproceedingwithcaution. TheappcalledSocialRecallconnectsnameswithfacesviasmartphonecamerasandfacialrecognitionpotentiallyavoidingtheneedforformalintroductions.ItbreaksdownthesesocialbarriersweallhavewhenmeetingsomebodysaysBarrySandrewwhocreatedtheappandtesteditataneventattendedbyabout1000people. AfterreceivinganinvitationtodownloadSocialRecallfromaneventorganizertheuserisaskedtotaketwoselfiesandsigninviasocialmedia.Attheeventtheappisactivewithinapreviouslydefinedgeographicalarea.Whenauserpointshisorherphonecameraatanattendee'sfacetheappidentifiestheindividualdisplaystheperson'snameandlinkstohisorhersocialmediaprofile.Toprotectprivacyitrecognizesonlythosewhohaveagreedtoparticipate.Andtheapp'screatorssayitautomaticallydeletesusers'dataafteranevent. AnnCavoukianaprivacyexpertwhorunsthePrivacybyDesignCenterofExcellencepraisestheapp'screatorsfortheseprotectivemeasures.Shecautionshoweverthatwhenpeoplechoosetosharetheirpersonalinformationwiththeapptheyshouldknowthattheremaybeunintendedconsequencesdowntheroadwiththatinformationbeingusedinanothercontextthatmightcomebacktobiteyou. Thestart﹣uphasalsodevelopedaversionoftheappforindividualswhosufferfromprosopagnosiaorfaceblindnessaconditionthatpreventspeoplefromrecognizingindividualstheyhavemet.Tousethisappapersonfirstacquiresanimageofsomeone'sfacefromeitherthesmartphone'scameraoraphotographandthentagsitwithaname.Whenthecameraspotsthatsamefaceinreallifethepreviouslyenteredinformationisdisplayed.Thecollecteddataarestoredonlyonauser'sphoneaccordingtotheteambehindtheapp. 1SocialRecallisusedto. A.takephotos B.identifypeople C.organizeevents D.makefriends 2Paragraph3ismainlyabout. A.howtheappworks B.howtheappwascreated C.whatmakestheapppopular D.whatpeoplecandowiththeapp 3SocialRecallhelpspeoplewithprosopagnosiaby. A.givingnamestothephotoskeptintheirsmartphones B.collectinginformationpreviouslyenteredinthephone C.providingtheinformationofapersonwhentheyfirstmeet D.showingtheperson'sinformationwhenitspotsastoredface 4WhatcanwelearnaboutSocialRecallfromthepassage A.Itmayputpeople'sprivacyatrisk. B.Ithascausedunintendedconsequences. C.Itcanpreventsomecommunicationdisorders. D.Itispraisedbyusersforitsprotectivemeasures.
假设你是红星中学高三学生李华请根据以下四幅图的先后顺序以ANewWaytoExploretheForbiddenCity为题用英语写一篇短文向校刊英语园地投稿记述上周末你带英国朋友Jim游览故宫的全过程. 注意词数不少于60. 提示词二维码QRcode
设a∈R直线ax-y+2=0和圆θ为参数相切则a的值为．
在四边形ABCD中AD∥BCAB=2AD=5∠A=30°点E在线段CB的延长线上且AE=BE则•=．
设椭圆+=1a＞b＞0的左焦点为F上顶点为B．已知椭圆的短轴长为4离心率为． Ⅰ求椭圆的方程 Ⅱ设点P在椭圆上且异于椭圆的上下顶点点M为直线PB与x轴的交点点N在y轴的负半轴上．若|ON|=|OF|O为原点且OP⊥MN求直线PB的斜率．
设函数fx=excosxgx为fx的导函数． Ⅰ求fx的单调区间 Ⅱ当x∈[]时证明fx+gx-x≥0 Ⅲ设xn为函数ux=fx-1在区间2nπ+2nπ+内的零点其中n∈N证明2nπ+-xn＜．
下列实验所用试剂现象和结论均正确的是
下列有关物质性质与用途具有对应关系的是
BenefitsofSports Doingsportsisaphysicalmentalandsocialadventure.It'sagreatwayforchildrentotakeabreakfromacademicsandreleaseextraenergy.Italsohelpsthemleadfullerandhappierlivesasregularsportshaveproventoimproveoverallwell﹣being. Thephysicalbenefitsofdoingsportsareprobablythemostobvious.Regardlessofyourfitnesslevelwhenyoustartplayingsportsyou'llnoticeanincreaseinyouroverallfitnessonceyou'reinvolved.1Basketballplayersfocusonstrengthtrainingfootballplayersworkonspeedwhiletrackathletestrainthroughlongerruns.Thetrainingprocesshelpspromotephysicalfitnessandperformancesincompetitions. 2Playingsportscontributestomentalhealthhelpingtoincreaseconfidenceandself﹣worth.Apatonthebackhigh﹣fivefromateammateorhandshakeafteramatchreallyboostsachild'sconfidence.Wordsofpraiseandencouragementfromthecoachparentsandotherplayersraisetheself﹣worth.3Soafteragameit'sabetterideatoaskDidyouenjoythegameratherthanDidyouwin Childrenwhoparticipateinsportsmightalsobenefitfromthesocialaspectfeelingpartofagroupbuildingupaccountabilityandleadership.4Teamworkinvolvesbothbeingdependableasateammateandlearningtorelyonyourteammatestoachieveapositiveoutcome.Teamworkbreedsaccountabilityandchallengesyoutoberesponsibleforyouractions.Beingpartofateamgivesyouanopportunitytobealeader. Disciplineisanothersocialadvantage.Mostorganizedsportsrequireastricttrainingandpracticeschedule.Asastudent﹣athleteyouneedtobalanceacademicsandathletics.5 Thereisnoshortageofreasonstofindasporttogetinvolvedin.AreyoureadytogoPickoneandgetmoving! A.It'snotjustyourbodythatbenefitsfromsports. B.Thereforeplayingsportsisgoingtomakeyoumorefit. C.Butrememberachild'sself﹣worthshouldnotbedistinguishedbyvictoryorloss. D.Ifyouplaygroupsportsyou'llbepartofateamthattakesdirectionfromacoach. E.Nearlyeverysportrequiresphysicalactivityandtheskillsneededtobecompetitive. F.Amongtheselearninghowtofunctionaspartofateamisthemostimportantadvantage. G.Onlywithstrictdisciplinecanyoubesuccessfulbothintheclassroomandinthesportsfield.
MyPerfectImperfectLife AfewyearsagoIwasstandingatthebarre扶手杠waitingformyadultballetclasswhenIheardavoicebehindme.Sodoyouhavethisperfectlife Myfirstreactionwasto1whowasbeingaskedsuchanoddquestion.ThenIrememberedtherewereonlytwoofusintheroom.WhenIturned2theotherwomanwaslookingstraightatme. Ihadnoideahowtoanswerit.Wasshe3WhohasaperfectlifeSureoccasionallyIdidfindtheperfectdressortheperfectpairofshoes4neverwouldIusethatwordtodescribeanythingaboutmeormylife.Ifeltatwingeofguiltforsomehowgivingherthat5. Shewatchedme.Ifinally6towhisperaquickNo. Bythentheteacherhadenteredtheroomandturnedonthemusictostartclass.Withasighof7Imovedmyfeetintothebestposition.ButassoonasmykneesbentforourfirstposeIrealizedmy8hadbeendisturbed.Thiswoman'swordswouldn't9echoinginmythoughts. Iwantedtoknowhowshecameupwithherverymistaken10.Ifsheknewanythingaboutmylifesheneverwouldhavehadthe11toaskmethatquestion. Ididmybesttodoourfloorexercisesinfrontofthemirror.ForafewmomentsIdidn'tseetheusual12ofmyolderselfattemptingtouseabeautifulartformto13mygracefulness.Ionlysawthelittlegirlwhosefatherdiedwhenshewastwothechildwhowalkedhomefromelementaryschooleverydaytoanemptyhousewholearnedtosewherownclothesto14money. Perfect.Mylifehadbeenfarfromit. Whenthosememories15IwasleftwithavisionofthewomanIhadbecomethewoman16byallthosethingsIconsideredimperfect.Inowsawthewomanwhohadlearnedtobeself﹣reliantwho17herfamilyandherfriendswhodidn'ttakelifeforgranted.Wasthattheperfectthiswomanhaddetected Istilldon'tknowbutInolongerfeel18orfeellikeImustkeeptrackofallthedifficulttimestoprovemylifeisn't19.IfeveragainaskedwhethermylifeisperfectIwouldhaveadifferent20.BecausenowIseethatdespiteallitsimperfectionitis. 1A.notice B.understand C.wonder D.expect 2A.up B.away C.over D.around 3A.fair B.serious C.anxious D.wise 4A.but B.or C.for D.and 5A.intention B.instruction C.impression D.information 6A.learned B.managed C.agreed D.planned 7A.sadness B.surprise C.pleasure D.relief 8A.concentration B.patience C.confidence D.effort 9A.escape B.keep C.stop D.stand 10A.idea B.advice C.reason D.theory 11A.right B.urge C.excuse D.honor 12A.reflection B.preference C.appearance D.expression 13A.experience B.describe C.replace D.improve 14A.collect B.earn C.spend D.save 15A.faded B.failed C.floated D.flashed 16A.buried B.shaped C.watched D.followed 17A.changed B.welcomed C.valued D.protected 18A.worried B.guilty C.cautious D.desperate 19A.comfortable B.ordinary C.perfect D.meaningful 20A.solution B.message C.approach D.answer
GOINGTOUNIVERSITYissupposedtobeamind﹣broadeningexperience.Thatstatementisprobablymadeincomparisontotrainingforworkstraightafterschoolwhichmightnotbesoencouraging.ButisitactuallytrueJessikaGolleoftheUniversityofTübingeninGermanythoughtshewouldtrytofindout.Herresulthoweverisnotquitewhatmightbeexpected.AsshereportsinPsychologicalSciencethisweekshefoundthatthosewhohavebeentouniversitydoindeedseemtoleavewithbroaderandmoreinquiringmindsthanthosewhohavespenttheirimmediatepost﹣schoolyearsinvocational职业的trainingforwork.Howeveritwasnotthecasethatuniversitybroadenedminds.Ratherworkseemedtonarrowthem. Dr.Gollecametothisconclusionaftersheandateamofcolleaguesstudiedtheearlycareersof2095Germanyoungsters.Theteamusedtwostandardizedteststoassesstheirvolunteers.Onewasofpersonalitytraitsincludingopennessconscientiousness认真andsoon.Theotherwasofattitudessuchasrealisticinvestigativeandenterprising.Theyadministeredbothteststwice﹣oncetowardstheendofeachvolunteer'stimeatschoolandthenagainsixyearslater.Oftheoriginalgroup382wereontheintermediatetrackfromwhichtherewasachoicebetweentheacademicandvocationalroutesanditwasonthesethattheresearchersfocused.Universitybeckonedfor212ofthem.Theremaining170chosevocationaltrainingandajob. WhenitcametothesecondroundoftestsDr.Gollefoundthatthepersonalitiesofthosewhohadgonetouniversityhadnotchangedsignificantly.Thosewhohadundergonevocationaltrainingandthengotjobswerenotthatmuchchangedinpersonalityeither﹣exceptinonecrucialrespect.Theyhadbecomemoreconscientious. Thatsoundslikeagoodthingcertainlycomparedwiththecommonpublicimageofundergraduatesasabunchoflazybones.Butchangesinattitudethattheresearchersrecordedwereratherworrying.Intheuniversitygroupagainnoneweredetectable.Butthosewhohadchosenthevocationalrouteshowedmarkeddropsininterestintasksthatareinvestigativeandenterprisinginnature.Andthatmightrestricttheirchoiceofcareers. Someinvestigativeandenterprisingjobssuchasscientificresearchareindeedbeyondthedegreeless.ButmanyparticularlyinGermanywithitstraditionofvocationaltrainingarenot.Theresearchersmentionforexamplecomputerprogrammersandfinance﹣sectorworkersascareersrequiringthesetraits.IfDr.GolleiscorrectandchangesinattitudebroughtaboutbytheverytrainingGermanypridesitselfonarenarrowingpeople'schoicesthatisindeedamatterworthyofseriousconsideration. 1WhichofthefollowingcanbestreplacebeckonedforinParagraph2 A.Examined. B.Attracted. C.Organized. D.Recognized. 2Whatcanwelearnfromtheresearch A.Thedegreelesshavenotchangedinpersonalities. B.Goingtouniversityisamind﹣broadeningexperience. C.Workingstraightafterschoolnarrowspeople'sminds. D.Collegestudentspridethemselvesontheireducation. 3Accordingtothelasttwoparagraphs. A.collegestudentsenjoyaverygoodpublicimage B.theundergraduateshavechangedsignificantlyinattitude C.thedegreelessaremuchbetteratdealingwithchallengingtasks D.peopleshowlessinterestininvestigativejobsduetovocationaltraining 4Whatistheauthor'sattitudetowardsthefinding A.Concerned. B.Optimistic. C.Unclear. D.Sceptical.
冰晶石又名六氟铝酸钠Na3AlF6是白色固体微溶于水常用作电解铝工业的助熔剂．工业上用萤石主要成分是CaF2浓硫酸氢氧化铝和碳酸钠溶液通过湿法制备冰晶石某化学实验小组模拟工业上制取Na3AlF6的装置图如下该装置均由聚四氟乙烯仪器组装而成． 已知CaF2+H2SO4CaSO4+2HF↑ 1实验仪器不能使用玻璃仪器的原因是． 2仪器a的作用是装置Ⅲ的作用为． 3实验过程中装置Ⅱ中有CO2气体逸出同时观察到有白色固体析出请写出该反应的离子方程式． 4实验过程中先向装置Ⅱ中通入HF气体然后再滴加Na2CO3溶液而不是先将Na2CO3和AlOH3混合后再通入HF气体其原因是． 5装置Ⅱ反应后的混合液经过过滤可得到Na3AlF6晶体在过滤操作中确定沉淀已经洗涤干净的方法是． 6在电解制铝的工业生产中阳极的电极反应式为．
热门题库
更多
高二下学期物理
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
湘公网安备 43130202000226号