国开在线答案
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2022-09-12
[简答] 计算图示机构的自由度：（1）图示机构的活动构件数为。A．5B．6C．7D．8（2）图示机构的低副数为。A．6B．7C．8D．9（3）图示机构的高副数为。A．0B．1C．2D．3（4）图示机构的自由度数为。A．0B．1C．2D．3472879/1.png
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2022-09-12
[简答] 计算图示机构的自由度：（1）图示机构的活动构件数为。A．5B．6C．7D．8（2）图示机构的低副数为。A．8B．9C．10D．11（3）图示机构的高副数为。A．0B．1C．2D．3（4）图示机构的自由度数为。A．0B．1C．2D．3472885/1.png
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2022-09-12
[单选] Besides,youneedtoprotectyourpassword,becauseallthetransaction_______throughyourbankaccount.
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2022-09-12
[单选] Allthetrees______lastsummer.
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2022-09-12
[简答] 二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。Anebook(alsoreferredtoasanelectronicbook,eBook,ore-book)isadigitalversion（版本）ofaprintbookthatyoudownloadandread.Butifyouwanttoreadanebook,youmusthaveanEbookReader,whichisakindoffreesoftwareusedbyyourcomputer.MakesureyouhaveinstalledtheappropriateReaderbeforeyoudownloadyourebookfromtheInternet.Thesoftwareallowsyoutoturnthewordsonthescreenintothesizeyoulike.Italsohelpsyouturnpagesandchangeyourviewingoptions(计算机屏幕上的阅读选择)Ebooksareafunalternativetoregularbooks.Youcandownloadthemtoanycomputersandcreateyourownlibraryofhundredsoftitles.Ifyouloadthemontoyourportablecomputer,youcantakethemwithyouwhenyoutravel.Someebooksareeveninteractive!Bestofall,whenyouorderanebook,theirisnowaitingandnoshippingcharges.Theamountoftimeittakestodownloadyourebookdependsonthespeedofyourconnectionandthesizeofyourebook.1.Fromthispassage,welearnthatanebook.A．canbefoundinanylibraryB．canbereaddirectlyfromtheInternetC．canbereadwhenspecialsoftwareisinstalled2.TheEbookReaderisusedfor.A.readinganebookyou'vedownloadedB.turningaprintbookintoadigitalversionC. downloadinganebo0kfromtheInternet3. Fromthispassage,wecanlearnthat.A. youcanreadanebookonalaptopwhenyoutravelB. youcanorderanebookusingtheEbookReaderC. theebooksorderedhavetobeshippedtoyou4. WhichofthefollowingstatementsisTRUE?A. Anebookisorderedinthesamewayasaprintbookis.B. Thesizeofthewordsinanebookcannotbechanged.C. Thedownloadingtimeisdecidedbytheebook'ssize.5. Thepassageismainlyabout.A. abetterwaytodownloadanEbookB. anewkindofbook-theEbooksC. thenewversionofEbooks
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2022-09-12
[单选] —Wouldyoulikeaglassofwine?—_____________ Idon'tdrink.
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2022-09-12
[简答] 二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。 A4yearKid,whodoesnotknowwhatanEmailoraChatAppis,praystoGod:“Hey,Lord,Pleasemakemeasmartphone”.ThisyoungkidisaskingsuchawishfromGod,becauseheseesthathisparentsathomearecompletelygluedtothismagicaldevicecalledsmartphoneandhasnotimetolookupathim.Thesmartphoneisgettingmoreattentioninthehousethanthechild.Hisparentsarepresenttherephysically,buttheirmindsaresomewhereelse.It’ssotruethatthisdevicehasbecomeaninseparablepartofourdaytodaylife,andweareaddictedtoit.Wewillstartfeelingrestlessifwedonotlooktoourphoneafterafewminutes.Wereactfastertoaphonebeeporamessagecomparedtoacallbyafamilymemberfromadifferentroom.Weallneedtocomeoutofthishead-downsyndrome.Weallneedtoconnectandcommunicateinrealworld.Weneedtoputthistechnologytogooduseandnotbecomeaslave. Sowhatshallwedo?It’ssimple:thesolutioniscalled“digitalbreak”.Thismeans,whenyoureturnhomefromwork,yousimplyturnofformuteallyourdigitaldevicesforafewhourseveryday,oratleastonceinawhile.Whatdoyoudothen?Youcanshareyourtimewiththefamily,chattingwithyourwifeorhusband,playinggameswithyourkids,doingthingswithotherfamilymembers,etc.inreallife.Youwillsoonrealizetheworldoutsidethesmartphoneismuchmoreenjoyable1.Thekidis5yearsold.2.ThekidaskedGodforasmartphone.3.Smartphoneshavebecomeaninseparablepartofourdailylife. 4.Weallneedtoconnectandcommunicateinvirtualworld.5.Theonlysolutiontothehead-downsyndromeiscalled“digitalbreak.
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2022-09-12
[单选] ______theweatherimproves,wewillsufferahugelossinthetouristindustry.
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2022-09-12
[单选] Hisparentsarepresentthere______,buttheirmindsaresomewhereelse.
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2022-09-12
[单选] 有一台系统为WindowsServer2008的FTP服务器，其IP地址为192.168.1.8，要让客户端能使用”ftp://192.168.1.8”地址访问站点的内容，需在站点开启端口（）。
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