【单选题】【消耗次数：1】
<imgsrc="http://121.251.253.213/doc/a@7B954E5F91FE7A2078D479B19DA8F244.png/download?time=636002401335313338&token=260538373F1F6FD4C1339FE2727B1A5C&filename=png"data-preview_url_ueditor="doc/a@7B954E5F91FE7A2078D479B19DA8F244.png"data-url="doc/a@7B954E5F91FE7A2078D479B19DA8F244.png"/>
①
3/4
②
1/3
③
1/4
④
1/2
参考答案：
复制
纠错
相关题目
【单选题】
<imgsrc="http://121.251.253.213/doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png/download?time=636002471591908737&token=C9861E965BE2A3F88E19FDB83A015858&filename=png"data-url="doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png"data-preview_url_ueditor="doc/a@F4481B790DEA53F8BA784340D9E7DBD5.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@49AD58B83D74079A52B9BC9D580A57F0.png/download?time=636002471674588883&token=5D0CC3E9D5071B5B99D33E11198168CF&filename=png"data-url="doc/a@49AD58B83D74079A52B9BC9D580A57F0.png"data-preview_url_ueditor="doc/a@49AD58B83D74079A52B9BC9D580A57F0.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png/download?time=636002471771153052&token=C4DD6005C7D6AB83CC98365C90E96F7F&filename=png"data-url="doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png"data-preview_url_ueditor="doc/a@7EFC8C78A5255FC23D2408BA7460C4B1.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png/download?time=636002471855705201&token=48F4A7689592EAC7AC51D4A9DC7C61E9&filename=png"data-url="doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png"data-preview_url_ueditor="doc/a@08C1F1E9561C37C7D96249E0FF936B6A.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png/download?time=636002471973797408&token=349E4644A1E20C4BDE3E18EC7BF17375&filename=png"data-url="doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png"data-preview_url_ueditor="doc/a@33BDC224DA6CE3012ADE43A9FC77D6D6.png"/>
【单选题】
<imgdata-url="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"data-preview_url_ueditor="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"src="http://121.251.253.213/doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png/download?time=635997629330923755&token=1279F1B02A815952B66C14C416407130&filename=png"/>
①
<imgdata-url="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"data-preview_url_ueditor="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"src="http://121.251.253.213/doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png/download?time=635997629504240060&token=541E9A5C2B0C3ED87051C8D3BDF24F82&filename=png"/>
②
<imgdata-url="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"data-preview_url_ueditor="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"src="http://121.251.253.213/doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png/download?time=635997629627012275&token=B43E29170C3B3757C96EB1A856117760&filename=png"/>
③
<imgdata-url="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"data-preview_url_ueditor="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"src="http://121.251.253.213/doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png/download?time=635997629743700480&token=080FC0D2FF79A92E265FCC56F38259B3&filename=png"/>
④
<imgdata-url="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"data-preview_url_ueditor="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"src="http://121.251.253.213/doc/a@827C3797B683CCCEE410F2ACE266DAAE.png/download?time=635997629843852656&token=89F3878D2896DF9EE9FFD429BD4960F7&filename=png"/>
【单选题】
<imgdata-url="doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png"data-preview_url_ueditor="doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png"src="http://121.251.253.213/doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png/download?time=635997628381662088&token=1C6275C21B6D06966B67391CC3F19CC3&filename=png"/>
①
<imgdata-url="doc/a@F410046D7922BA32E1663874BC2B5C36.png"data-preview_url_ueditor="doc/a@F410046D7922BA32E1663874BC2B5C36.png"src="http://121.251.253.213/doc/a@F410046D7922BA32E1663874BC2B5C36.png/download?time=635997628596318465&token=777D59C04A7A8D783EA1471DFB89335B&filename=png"/>
②
<imgdata-url="doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png"data-preview_url_ueditor="doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png"src="http://121.251.253.213/doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png/download?time=635997628730166700&token=3FB693A96149E486567C840289970469&filename=png"/>
③
<imgdata-url="doc/a@1CA14D32B72BD4002480622B3B6819F1.png"data-preview_url_ueditor="doc/a@1CA14D32B72BD4002480622B3B6819F1.png"src="http://121.251.253.213/doc/a@1CA14D32B72BD4002480622B3B6819F1.png/download?time=635997628831410878&token=E8904182AEE541F27BF648C05282E255&filename=png"/>
④
<imgdata-url="doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png"data-preview_url_ueditor="doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png"src="http://121.251.253.213/doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png/download?time=635997628964479112&token=CF20CB3A5FB1F69385D3E2366AC1E712&filename=png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@3EEB543EE4C26953B2F4A84849EF970E.png/download?time=636002407370339938&token=2B860297B4D3A37E02DD8FD066E353D5&filename=png"data-preview_url_ueditor="doc/a@3EEB543EE4C26953B2F4A84849EF970E.png"data-url="doc/a@3EEB543EE4C26953B2F4A84849EF970E.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@39718BFE07D413FF9B5576D082DF02A2.png/download?time=636002407468308110&token=B91DA8C5350A10D491A51533ABD0C98B&filename=png"data-preview_url_ueditor="doc/a@39718BFE07D413FF9B5576D082DF02A2.png"data-url="doc/a@39718BFE07D413FF9B5576D082DF02A2.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@243286ACC8E46086F734CA856A259C5F.png/download?time=636002407561752274&token=1F3B294A3C4990CC176E288A73F7F41C&filename=png"data-preview_url_ueditor="doc/a@243286ACC8E46086F734CA856A259C5F.png"data-url="doc/a@243286ACC8E46086F734CA856A259C5F.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@C40D30CADEB6FB497B64EA46BBC6D361.png/download?time=636002407648644427&token=8F86320F39DFDE390D3A1F566BB8A1B2&filename=png"data-preview_url_ueditor="doc/a@C40D30CADEB6FB497B64EA46BBC6D361.png"data-url="doc/a@C40D30CADEB6FB497B64EA46BBC6D361.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@2171497A1A069BCA694AC32D89A3EE15.png/download?time=636002407739280586&token=D4B87765F15D9453D1F9B5AAD647E41E&filename=png"data-preview_url_ueditor="doc/a@2171497A1A069BCA694AC32D89A3EE15.png"data-url="doc/a@2171497A1A069BCA694AC32D89A3EE15.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@F7DFB53E01818944D852AA5ECC191CEC.png/download?time=636002423040255461&token=7E12063C1087B7CE79120A46C22C77A4&filename=png"data-preview_url_ueditor="doc/a@F7DFB53E01818944D852AA5ECC191CEC.png"data-url="doc/a@F7DFB53E01818944D852AA5ECC191CEC.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@D21DE64C3DBA04E3EFF86EBC2F60CDEB.png/download?time=636002423445856173&token=C0943D40F3B2501A8F02FBEA0E2E2505&filename=png"data-preview_url_ueditor="doc/a@D21DE64C3DBA04E3EFF86EBC2F60CDEB.png"data-url="doc/a@D21DE64C3DBA04E3EFF86EBC2F60CDEB.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@316FF33F9C0F2533BF47288DA9C8E085.png/download?time=636002423526664315&token=3BB1460E7F5D236EFB1518F30B5639C1&filename=png"data-preview_url_ueditor="doc/a@316FF33F9C0F2533BF47288DA9C8E085.png"data-url="doc/a@316FF33F9C0F2533BF47288DA9C8E085.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@F6EC792366661495173DD40D102C98AD.png/download?time=636002423620108479&token=7F23A095B13B128BF438EF6731068BB5&filename=png"data-preview_url_ueditor="doc/a@F6EC792366661495173DD40D102C98AD.png"data-url="doc/a@F6EC792366661495173DD40D102C98AD.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@61FCBA64D1107B85E22AF30B438DD9FD.png/download?time=636002423709652637&token=571DD66154D3E0DE24F32E569341FDCB&filename=png"data-preview_url_ueditor="doc/a@61FCBA64D1107B85E22AF30B438DD9FD.png"data-url="doc/a@61FCBA64D1107B85E22AF30B438DD9FD.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@2207FACE01D724A41FEAE521767FA8B6.png/download?time=636002470509734837&token=8C63F7DD30B5A8F399433B76BF18E3C9&filename=png"data-url="doc/a@2207FACE01D724A41FEAE521767FA8B6.png"data-preview_url_ueditor="doc/a@2207FACE01D724A41FEAE521767FA8B6.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png/download?time=636002470637343061&token=7AA0C37EAC3963A00C317B025C2047D6&filename=png"data-url="doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png"data-preview_url_ueditor="doc/a@9B95A2D1B6CA4AF4BFDE04D7D52EB9D4.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@675B12C6CBE318DDF85F641AB815E173.png/download?time=636002470709103187&token=B6A2AEAE2B9D81EA03BE98F45A066427&filename=png"data-url="doc/a@675B12C6CBE318DDF85F641AB815E173.png"data-preview_url_ueditor="doc/a@675B12C6CBE318DDF85F641AB815E173.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png/download?time=636002470820955383&token=CD066342C24F14945A36CBDFF5AEEBAD&filename=png"data-url="doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png"data-preview_url_ueditor="doc/a@129CE6E27A8A7965ACB2BC93ADA9B65B.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@D364096144FBDE93C84597F0FF9E6763.png/download?time=636002470907223535&token=FA7071F492DEB96139B2857A5F244CBF&filename=png"data-url="doc/a@D364096144FBDE93C84597F0FF9E6763.png"data-preview_url_ueditor="doc/a@D364096144FBDE93C84597F0FF9E6763.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@25A8EE3D03B94A9F04D52345269684B2.png/download?time=636002469279516676&token=667DD112AFAE69C50B1A261A40FC4718&filename=png"data-url="doc/a@25A8EE3D03B94A9F04D52345269684B2.png"data-preview_url_ueditor="doc/a@25A8EE3D03B94A9F04D52345269684B2.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png/download?time=636002469357204812&token=A3BD2200A91DEDBFD005F65BAF740481&filename=png"data-url="doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png"data-preview_url_ueditor="doc/a@4EA15DA9D72B7EB9DB10D08648C08C67.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@652DB2CAA7F879DCDAFB1BB68E421DEB.png/download?time=636002469435984951&token=C0A6D39C3768EDD45CC4A7D5AE83EEBC&filename=png"data-url="doc/a@652DB2CAA7F879DCDAFB1BB68E421DEB.png"data-preview_url_ueditor="doc/a@652DB2CAA7F879DCDAFB1BB68E421DEB.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@77F7CEF7772DDF237C280A444E2E16BD.png/download?time=636002469573889193&token=1ED3A1FE631AE91F328056D1EA6BB6FF&filename=png"data-url="doc/a@77F7CEF7772DDF237C280A444E2E16BD.png"data-preview_url_ueditor="doc/a@77F7CEF7772DDF237C280A444E2E16BD.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@B54146B380619C725F9C9D89C3C6E2B5.png/download?time=636002469780901556&token=B067D315DA70A8FB600D7D11CE925E5B&filename=png"data-url="doc/a@B54146B380619C725F9C9D89C3C6E2B5.png"data-preview_url_ueditor="doc/a@B54146B380619C725F9C9D89C3C6E2B5.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@F40089C6EE85E2D136211F10253A5698.png/download?time=636002405281028268&token=97BDD00CEAA6E56F32B8E987DD49B9AA&filename=png"data-preview_url_ueditor="doc/a@F40089C6EE85E2D136211F10253A5698.png"data-url="doc/a@F40089C6EE85E2D136211F10253A5698.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@E99A777F88517CA13AAE35DD30DBB71F.png/download?time=636002405398808475&token=4D7248307C9F6F80208444D59D17659B&filename=png"data-preview_url_ueditor="doc/a@E99A777F88517CA13AAE35DD30DBB71F.png"data-url="doc/a@E99A777F88517CA13AAE35DD30DBB71F.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@09D42ABBE14E83AE4D55C2BDE4A9773B.png/download?time=636002405516900683&token=EDAE071674E78C3719A53AA00F69D4F1&filename=png"data-preview_url_ueditor="doc/a@09D42ABBE14E83AE4D55C2BDE4A9773B.png"data-url="doc/a@09D42ABBE14E83AE4D55C2BDE4A9773B.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@1F36AE2BFAF559AF77D269C3C351F2A5.png/download?time=636002405634056888&token=78165392C86D653738CFFD74D7B01289&filename=png"data-preview_url_ueditor="doc/a@1F36AE2BFAF559AF77D269C3C351F2A5.png"data-url="doc/a@1F36AE2BFAF559AF77D269C3C351F2A5.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@344592340C9884191FD3C1CA39FDAF73.png/download?time=636002405754957101&token=1CE4D33A49B8C5924089001A4BEECB53&filename=png"data-preview_url_ueditor="doc/a@344592340C9884191FD3C1CA39FDAF73.png"data-url="doc/a@344592340C9884191FD3C1CA39FDAF73.png"/>
【单选题】
<imgsrc="http://121.251.253.213/doc/a@4694669459F98E149B804A104B651936.png/download?time=636002388033637975&token=7717EBCF989826B9F937ADD750BA053E&filename=png"data-preview_url_ueditor="doc/a@4694669459F98E149B804A104B651936.png"data-url="doc/a@4694669459F98E149B804A104B651936.png"/>
①
<imgsrc="http://121.251.253.213/doc/a@7EFEDE86BAD9C681AE62991E99C4662F.png/download?time=636002388171386217&token=009F46715F7C1A9E4906033D77BCD786&filename=png"data-preview_url_ueditor="doc/a@7EFEDE86BAD9C681AE62991E99C4662F.png"data-url="doc/a@7EFEDE86BAD9C681AE62991E99C4662F.png"/>
②
<imgsrc="http://121.251.253.213/doc/a@BE3A648FAC9629C1B629016716F329E7.png/download?time=636002388290102425&token=84F498C616261DBEF529416490694BE4&filename=png"data-preview_url_ueditor="doc/a@BE3A648FAC9629C1B629016716F329E7.png"data-url="doc/a@BE3A648FAC9629C1B629016716F329E7.png"/>
③
<imgsrc="http://121.251.253.213/doc/a@C946EAF87FEE814E0E75113AFBE7F8BF.png/download?time=636002388403670625&token=96745AF8F4C3C6996032298D6EB273B9&filename=png"data-preview_url_ueditor="doc/a@C946EAF87FEE814E0E75113AFBE7F8BF.png"data-url="doc/a@C946EAF87FEE814E0E75113AFBE7F8BF.png"/>
④
<imgsrc="http://121.251.253.213/doc/a@34C0A8A82E9F963C042EC0805245E5F3.png/download?time=636002388507254807&token=F9769CD3B7EFA723D4FDACBD5CECC721&filename=png"data-preview_url_ueditor="doc/a@34C0A8A82E9F963C042EC0805245E5F3.png"data-url="doc/a@34C0A8A82E9F963C042EC0805245E5F3.png"/>
【单选题】
你知道下列动作的名称吗？<img style="width:300px;" data-id="tfwfacops4lfj4xsgffhxw" data-doctype="png" data-url="ssykt/g@F9A0019E1F243E1E4B9BBC7FE8FD8B47.png" data-title="55" data-preview_url_ueditor="ssykt/g@F9A0019E1F243E1E4B9BBC7FE8FD8B47.png" data-mobileurlpreview="https://file.icve.com.cn/ssykt/998/0/F9A0019E1F243E1E4B9BBC7FE8FD8B47.png" data-mobileurlpagecount="1" src="https://file.icve.com.cn/ssykt/998/0/F9A0019E1F243E1E4B9BBC7FE8FD8B47.png"/>
①
双跪坐
②
双跪立
随机题目
【单选题】
下面叙述正确的是（ ）。
①
在C程序中，main函数必须位于程序的最前面
②
C程序的每行中只能写一条语句。
③
语言本身没有输入输出语句。
④
在对一个C程序进行编译的过程，可防线主时中的拼写错误。
【单选题】
下面叙述不正确的是（ ）。
①
一个C源程序可以由一个或多个函数组成。
②
一个C源程序必须包含一个main函数。
③
在C程序中，注释说明只能位于一条语句的后面。
④
C程序的基本组成单位是函数。