一个典型的机电一体化系统，应包含以下几个基本要素：A机械本体B动力与驱动部分C执行机构D.控制及信息处理部分

机电一体化系统对执行元件的基本要求。A惯性小动力大B体积小重量轻C便于维修安装D宜于微机控制

9．また郵便局は（　　　　）。早く行きましょう。

9.ThetraditionalsilkcentersofZhejiangandJiangsuProvincesarestillthetwomajorproducersofrawsilkandsilkfabricsinChina.

Inspring,chickensstartlayingagain,bringingawelcomesourceofproteinatwinter’send.Soit’snosurprisethatculturesaroundtheworldcelebratespringbyhonoringtheegg.Sometraditionsaresimple,liketheredeggsthatgetbakedintoGreekEasterbreads.Otherselevatetheeggintoafancyart,liketheheavilyjewel-covered“eggs”thatwerefavoredbytheRussiansstartinginthe19thcentury.OneancientformofeggartcomestousfromUkraine.Forcenturies,Ukrainianshavebeendrawingcomplicatedpatternsoneggs.Contemporaryartistshavefollowedthistraditiontocreateeggsthatspeaktotheanxietiesofourage:Lifeisprecious,anddelicate.Eggsare,too.“There’ssomethingabouttheirdelicatenaturethatappealstome,”saysNewYorkercartoonistRozChast.Severalyearsago,shebecameinterestedineggsandlearnedthetraditionalUkrainiantechniquetodrawherverymodemcharacters.“I’vebrokeneggsateverystageoftheprocess—fromtheverybeginningtothevery,veryend.”Butthere’sanappealinthatvulnerability.“There’spartofthissickeninghorrorofknowingyou’rewalkingontheedgewiththis,thatIkindoflike,knowingthatitcouldallfallapartatanysecond.”Chast’sdesigns,suchasaworriedmanaloneinatinyrowboat,reflectthatdelicateness.TraditionalUkrainiandecoratedeggsalsospoketothosefears.Theelaboratepatternswerebelievedtoofferprotectionagainstevil.“There’sanancientlegendthataslongastheseeggsaremade,evilwillnotprevailintheworld,”saysJoanBrander,aCanadianegg-painterwhohasbeenpaintingeggsforover60years,havinglearnedtheartfromherUkrainianrelatives.Thetradition,datingbackto300B.C.,waslaterincorporatedintotheChristianchurch.Theoldsymbols,however,stillendure.Adecoratedeggwithabirdonit,giventoayoungmarriedcouple,isawishforchildren.Adecoratedeggthrownintothefieldwouldbeawishforagoodharvest.9.WhydoesChastenjoytheprocessofdecoratingeggs?

Inspring,chickensstartlayingagain,bringingawelcomesourceofproteinatwinter’send.Soit’snosurprisethatculturesaroundtheworldcelebratespringbyhonoringtheegg.Sometraditionsaresimple,liketheredeggsthatgetbakedintoGreekEasterbreads.Otherselevatetheeggintoafancyart,liketheheavilyjewel-covered“eggs”thatwerefavoredbytheRussiansstartinginthe19thcentury.OneancientformofeggartcomestousfromUkraine.Forcenturies,Ukrainianshavebeendrawingcomplicatedpatternsoneggs.Contemporaryartistshavefollowedthistraditiontocreateeggsthatspeaktotheanxietiesofourage:Lifeisprecious,anddelicate.Eggsare,too.“There’ssomethingabouttheirdelicatenaturethatappealstome,”saysNewYorkercartoonistRozChast.Severalyearsago,shebecameinterestedineggsandlearnedthetraditionalUkrainiantechniquetodrawherverymodemcharacters.“I’vebrokeneggsateverystageoftheprocess—fromtheverybeginningtothevery,veryend.”Butthere’sanappealinthatvulnerability.“There’spartofthissickeninghorrorofknowingyou’rewalkingontheedgewiththis,thatIkindoflike,knowingthatitcouldallfallapartatanysecond.”Chast’sdesigns,suchasaworriedmanaloneinatinyrowboat,reflectthatdelicateness.TraditionalUkrainiandecoratedeggsalsospoketothosefears.Theelaboratepatternswerebelievedtoofferprotectionagainstevil.“There’sanancientlegendthataslongastheseeggsaremade,evilwillnotprevailintheworld,”saysJoanBrander,aCanadianegg-painterwhohasbeenpaintingeggsforover60years,havinglearnedtheartfromherUkrainianrelatives.Thetradition,datingbackto300B.C.,waslaterincorporatedintotheChristianchurch.Theoldsymbols,however,stillendure.Adecoratedeggwithabirdonit,giventoayoungmarriedcouple,isawishforchildren.Adecoratedeggthrownintothefieldwouldbeawishforagoodharvest.9.WhydoesChastenjoytheprocessofdecoratingeggs?

社会历史观的基本问题是()

商品经济是通过商品货币关系实行等价交换的经济形式，它的基本规律是（）。

学习马克思主义基本原理的根本方法是（）

恩格斯认为，全部哲学、特别是近代哲学的重大的基本问题是()。

实践是人的存在方式。人类的产生、生存和活动，是以实践为基本方式和标志的，这是因为（）

2019年9月30日，某企业银行存款日记账账面余额为216万元，收到银行对账单的余额为212.3万元。经逐笔核对，该企业存在以下记账差错及未达账项：从银行提取现金6.9万元，会计人员误记为9.6万元；银行为企业代付电话费6.4万元，但企业未接到银行付款通知，尚未入账。9月30日调节后的银行存款余额为（　　）万元。

9.Digitalsignalprocessing(DSP)isthestudyofsignalsinadigitalrepresentationandtheprocessingmethodsofthesesignals.

使用嵌套查询，得到在SC表中Grade高于90分的学生的基本信息，正确的SQL语句是()。得分/总分A.Select*fromStudentwhereSnoExists(SelectSnofromSCwhereGrade>90)B.Select*fromStudentwhereSnoNotIn(SelectSnofromSCwhereGrade>90)C.Select*fromStudentwhereSnoIn(SelectSnofromSCwhereGrade>90)D.Select*fromStudentwhereSno=(SelectSnofromSCwhereGrade>90)

语音中最基本的元素是（），大约有128～256个。