用滚刀切制z=90，α=20°，ha*=1的渐开线直齿圆柱齿轮，变位系数x=-2，则()。

构件2与构件1组成转动副，则构件2给构件1的全反力(转动副反力)()。

有关矢量方程图解法的原理及求解的一些说法如下，试选择其中的正确的说法:()。

设[x]#=0.x1x2x3x4x5x6x7,若要求x>1/2成立,则需要满足的条件是X必须为1,x2~x7至少有一个为1。

某机字长8位，采用补码形式（其中1位为符号位），则机器数所能表示的范围是

1936年11月2日（）建立了世界上第一个电视发射台，开始了电视节目的定期播出。

2.我国实务中企业利润表通常采用的形式是（）。

反思小说以茹志鹃1979年2月在《人民文学》上发表的短篇小说（）为标志。

2、发电厂甲与施工单位乙签订了价款为5000万元的固定重甲建设工程施工合同，则这笔5000万元工程价款是（）。

首次将教育学作为一门学科在大学里进行讲授的是（）。

教育的社会发展功能包括（）。

1922年的“癸卯学制”，又称为“六三三制”。（）

PartIIReadingComprehensionDirections:Thereareseveralpassagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageOneQuestions2to6arebasedonthefollowingpassage.“Chinaisexpectedtocompleteitsfirstexploration(探索)ofthemoonin2010andwillfoundamoonbasejustaswedidontheNorthandSouthPoles,”OuyangZiyuan,headofChina’smoonexplorationprogram,promisedduringnationalscienceandtechnologyweek.Afteritsfirstmaninspace,Chinaplansaspacelaboratory,alunarorbitertolookforvaluableelementsandminerals,robotlandingsonthemoonandthenthehumantouchdown.Thepriceofspaceexplorationisenormous.RussiaandtheUS,theonlytwocountriestohaveachievedmannedflight,arestrugglingtokeeptheirnewinvestment,theinternationalspacestation.ButChina,whichhasalongtraditioninphysics,mathematicsandengineering,findsitsdoctoralgraduateswelcomedintheUSandEuropefordecades.Andithasbeenabletolearnfrom40yearsofpioneeringsuccessesandmistakesbytheUSSRandtheUSA.Spaceflightisagambleandthestakes(赌注)arehigh.Ifsuccessful,Chinacouldbecomeamemberoftheworld’smostexclusiveclub,setupasecondhomeonthemoonandgetapowerfulhandatthestrategicbargainingtable.TwodesignersfromtheShenzhouIIIprojectsaidthat12astronautsnowareundergoingintensivetraining.Onemoreunmannedspaceflightisplannedbeforethefirstmannedlaunch.ExpertssaythattheShenzhouspacecraftalreadyprovidesChinawithaspacevehiclecapableofmounting(发起)alunarprogram.ChinesescientistshavealsopredictedthatMarswillbethenexttargetafterthemoon.2.AccordingtoOuyangZiyuan,________.

PartIIReadingComprehensionDirections:Thereareseveralpassagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoice.PassageOneQuestions2to6arebasedonthefollowingpassage.“Chinaisexpectedtocompleteitsfirstexploration(探索)ofthemoonin2010andwillfoundamoonbasejustaswedidontheNorthandSouthPoles,”OuyangZiyuan,headofChina’smoonexplorationprogram,promisedduringnationalscienceandtechnologyweek.Afteritsfirstmaninspace,Chinaplansaspacelaboratory,alunarorbitertolookforvaluableelementsandminerals,robotlandingsonthemoonandthenthehumantouchdown.Thepriceofspaceexplorationisenormous.RussiaandtheUS,theonlytwocountriestohaveachievedmannedflight,arestrugglingtokeeptheirnewinvestment,theinternationalspacestation.ButChina,whichhasalongtraditioninphysics,mathematicsandengineering,findsitsdoctoralgraduateswelcomedintheUSandEuropefordecades.Andithasbeenabletolearnfrom40yearsofpioneeringsuccessesandmistakesbytheUSSRandtheUSA.Spaceflightisagambleandthestakes(赌注)arehigh.Ifsuccessful,Chinacouldbecomeamemberoftheworld’smostexclusiveclub,setupasecondhomeonthemoonandgetapowerfulhandatthestrategicbargainingtable.TwodesignersfromtheShenzhouIIIprojectsaidthat12astronautsnowareundergoingintensivetraining.Onemoreunmannedspaceflightisplannedbeforethefirstmannedlaunch.ExpertssaythattheShenzhouspacecraftalreadyprovidesChinawithaspacevehiclecapableofmounting(发起)alunarprogram.ChinesescientistshavealsopredictedthatMarswillbethenexttargetafterthemoon.2.AccordingtoOuyangZiyuan,________.

2，世界上最早系统论述教育教学思想的专著：《学记》。