<img src=https://huaweicloudobs.ahjxjy.cn/B9F01B61D310C36CF933689D8950ADE0.png title=题干.png alt=题干.png width=820 height=51 style=width: 820px; height: 51px;/>

【单选题】【消耗次数：1】

① <img src=https://huaweicloudobs.ahjxjy.cn/488691FD21F082D82BF0E8EE6F825855.png style= title=3.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/1482BE9C4E2C01B5BF5F3F346810837C.png title=1.png style=white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/E0998F2E1721026B61A1EB3149FEC3E5.png title=2.png style=white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/A0B6917D7D798A2D138F255969D7C923.png title=4.png style=white-space: normal;/>

参考答案：

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相关题目

【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/F34769F580544CC4F837D2409D3C88C1.png title=题干.png alt=题干.png width=820 height=136 style=width: 820px; height: 136px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/58748F0735C46E03B72015E7C0CF02F5.png style= title=1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/8600C162BDB85BF564DEE9D96CF5FA5B.png title=2.png style=white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/622EB727D3D79F0C07651DF85832635D.png title=3.png style=white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/073909FF6C006AC6F29262575671F101.png title=4.png style=white-space: normal;/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/C92407F815151000CA4AC9483911D54B.png title=题干.png alt=题干.png width=820 height=111 style=width: 820px; height: 111px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/2FC74D076255E936F6524710B944EEA3.png style= title=2.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/6BF421D92F29AC09C5AB2BC76A673DF6.png title=3.png style=white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/25CAA6A8D5EB3AC996C1B6EBB98815F8.png title=1.png style=white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/94164A0E9B1002F4D1358BF875A8EBD2.png title=4.png style=white-space: normal;/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/B7319F3A2E4D8147392704EDBDF5276F.png title=题干.png alt=题干.png width=825 height=47 style=width: 825px; height: 47px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/C11832AB0459C6359BE89FC090E4981E.png style=width: 195px; height: 47px; title=2.png width=195 height=47/>

② <img src=https://huaweicloudobs.ahjxjy.cn/B7C148A344072B4A45D3F2352B2C8E8E.png title=1.png style=white-space: normal; width: 100px; height: 39px; width=100 height=39/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/F00599135518EF9BDA37FFBD82725667.png title=3.png style=white-space: normal; width: 199px; height: 51px; width=199 height=51/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/41C4696FDAC2A6470FF8CB3A1D4A94D6.png title=4.png style=white-space: normal; width: 149px; height: 49px; width=149 height=49/>

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【判断题】 <img src=https://huaweicloudobs.ahjxjy.cn/56ACB780D789467592B5972B7C01432E.png style= title=1.png/><img src=https://huaweicloudobs.ahjxjy.cn/DB9D652AC0F0D5A2CDAEBA64EC696861.png title=2.png alt=2.png/><img src=https://huaweicloudobs.ahjxjy.cn/8F70418C3F8650C247E18DFCC54FC0D3.png title=3.png alt=3.png/>

① 正确

② 错误

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/250F5F2F1AA5D5ABD06B9C5EBFFB9B40.png title=题干.png alt=题干.png width=800 height=136 style=width: 800px; height: 136px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/CE00B08FAE208F235553F5AAACC2196B.png style= title=1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/BBFB122ED2731AA64FBFFD3C2F778211.png title=2.png style=font-size: 18.018px; white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/E0E983CFEC59EB77FEE53BA3822F8F8D.png title=3.png style=font-size: 18.018px; white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/AD7980D995486F65445DB878185D272A.png title=4.png style=font-size: 18.018px; white-space: normal;/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/1F741213CCA2A4B3982BA3C0A0C335E6.png title=题干.png alt=题干.png width=850 height=86 style=width: 850px; height: 86px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/7B008D7EF477B871119431402F44C8CE.png style=width: 372px; height: 51px; title=2.png width=372 height=51/>

② <img src=https://huaweicloudobs.ahjxjy.cn/C5506FC74D312DE8C82B9433983A4BE9.png title=1.png style=white-space: normal; width: 432px; height: 53px; width=432 height=53/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/EF2784BC0473802D8960F7FCDFED59F2.png title=3.png style=white-space: normal; width: 808px; height: 115px; width=808 height=115/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/9D9F6887A48F617B7C020B33E58BCA46.png title=4.png style=white-space: normal; width: 786px; height: 115px; width=786 height=115/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/2B8F5B37567233E3945BBCE9B555C0DC.png title=题干.png alt=题干.png width=778 height=64 style=width: 778px; height: 64px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/EFC675AE3744A9AF93F09018BCB4A2E7.png style= title=1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/E4B5592E21E079EB5C40749489FEB427.png title=2.png style=white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/5FB3C875071AE4B9B2646BAE5AEBD870.png title=3.png style=white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/A2FD86B4633AC9A2BB900CEB3192861C.png title=4.png style=white-space: normal;/>

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【简答题】 <img src="https://huaweicloudobs.ahjxjy.cn/5D2E5A5B9035D3651746C5C8EA34B414.png" style="" title="7.png"/><img src="https://huaweicloudobs.ahjxjy.cn/11030235133F08C67269354E20EBD4E0.png" style="" title="4.png"/>[填空1]

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【多选题】 <img src=https://huaweicloudobs.ahjxjy.cn/6ED6D2FB01B4ECC5D6DDF9F850E0AE42.png title=7.png alt=7.png/><img src=https://huaweicloudobs.ahjxjy.cn/20F9D6170587EDA4C64F36BAFE91C289.png title=8.png alt=8.png/>

① <img src=https://huaweicloudobs.ahjxjy.cn/FC072071BE30D785E1E9D3C0C6DC23FA.png title=12.png alt=12.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/C4180BC6D69C69221A5A45A4532C5475.png title=13.png alt=13.png/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/07624451B02C04C93B32CAD0810A4A60.png title=14.png alt=14.png/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/425E82C9FBB555C71DF8A9E386DB1674.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/F189577D1DB0CB47D0B222D7E3E081CC.png title=10.png alt=10.png/><img src=https://huaweicloudobs.ahjxjy.cn/9125E5FCA2C763BFC81669EBF5E2CAD1.png title=11.png alt=11.png/>

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【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/74450240495411D56025D8D56C7C83B0.png title=题干.png alt=题干.png width=825 height=146 style=width: 825px; height: 146px;/>

① <img src=https://huaweicloudobs.ahjxjy.cn/16E48B874BBA6559EB8535EDCAB755E4.png style= title=1.png/>

② <img src=https://huaweicloudobs.ahjxjy.cn/EA64ED1D599C490A708EE1B8E51CF8E5.png title=2.png style=white-space: normal;/>

③ <img src=https://huaweicloudobs.ahjxjy.cn/354C8D0445967D3415A9C77E97B38400.png title=3.png style=white-space: normal;/>

④ <img src=https://huaweicloudobs.ahjxjy.cn/84ADC141A9F319BDCFA1D09CAA3C69F9.png title=4.png style=white-space: normal;/>

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随机题目

【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"/>

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【单选题】 <imgsrc="http://121.251.253.213/doc/a@C698C4ADC93D93531381824327A9FF44.png/download?time=636002474470581793&token=0B9B3D8B57AE0E63ECE153E923BCE509&filename=png"data-url="doc/a@C698C4ADC93D93531381824327A9FF44.png"data-preview_url_ueditor="doc/a@C698C4ADC93D93531381824327A9FF44.png"/>

① <imgsrc="http://121.251.253.213/doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png/download?time=636002474556069944&token=1F73253CE0DBDE683628F12C5F4D8450&filename=png"data-url="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"data-preview_url_ueditor="doc/a@CF33E559A85423D5CAB6EDCFECDC1DC7.png"/>

② <imgsrc="http://121.251.253.213/doc/a@60A71C811B81029FBF602DFB3E611403.png/download?time=636002474654194116&token=D3D19601DFC12A813BAA15BE2BFEF530&filename=png"data-url="doc/a@60A71C811B81029FBF602DFB3E611403.png"data-preview_url_ueditor="doc/a@60A71C811B81029FBF602DFB3E611403.png"/>

③ <imgsrc="http://121.251.253.213/doc/a@1CC11FD18C5106A0703556B59DF43E87.png/download?time=636002474737810263&token=CC4793C07577F75B877ADA52A41C1E24&filename=png"data-url="doc/a@1CC11FD18C5106A0703556B59DF43E87.png"data-preview_url_ueditor="doc/a@1CC11FD18C5106A0703556B59DF43E87.png"/>

④ <imgsrc="http://121.251.253.213/doc/a@147CD7754712A48704A0454D88895623.png/download?time=636002474844982451&token=3081AFA389E2249745935FD3A4A33759&filename=png"data-url="doc/a@147CD7754712A48704A0454D88895623.png"data-preview_url_ueditor="doc/a@147CD7754712A48704A0454D88895623.png"/>

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【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"/>

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【单选题】 <imgsrc="http://121.251.253.213/doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png/download?time=636002468341175028&token=CE6F6A3098A2546CA448994156A06B4F&filename=png"data-url="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"data-preview_url_ueditor="doc/a@C822C5255D1BFBC4EFF55E23D4FEA269.png"/>

① <imgsrc="http://121.251.253.213/doc/a@DBEEBE73CFA7E73C6399957FED644156.png/download?time=636002468484851280&token=43D4A78B0932FDEAAE930017B2517CAC&filename=png"data-url="doc/a@DBEEBE73CFA7E73C6399957FED644156.png"data-preview_url_ueditor="doc/a@DBEEBE73CFA7E73C6399957FED644156.png"/>

② <imgsrc="http://121.251.253.213/doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png/download?time=636002468571743433&token=A4202C39CC5013BF42AC4A44EF5E4D77&filename=png"data-url="doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png"data-preview_url_ueditor="doc/a@46FC620B1AB1E78C4769EE7DEC50E108.png"/>

③ <imgsrc="http://121.251.253.213/doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png/download?time=636002468660351588&token=77DA416D90A08F2FCD792C6C4373158D&filename=png"data-url="doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png"data-preview_url_ueditor="doc/a@6D0DDF8D51FC73666E0CAB6BFD87EC11.png"/>

④ <imgsrc="http://121.251.253.213/doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png/download?time=636002468776259792&token=DC997BA41CF7924924C2AFBC05991177&filename=png"data-url="doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png"data-preview_url_ueditor="doc/a@B0F0D2D6CBE8FCD42A1FD6230EF28E9F.png"/>

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【单选题】利用二元关系R的关系图求其对称闭包时，（）

① 每两个结点之间都加上两条方向相反的边

② 若两个结点间有一条单向边，则添加一条与其方向相反的边

③ 每个结点上加上一个自环

④ 若两个结点间没有边相连，则加上两条方向相反的边

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【单选题】 <imgsrc="http://121.251.253.213/doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png/download?time=636002476138068722&token=141D02AA787A7554363662D240011921&filename=png"data-url="doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png"data-preview_url_ueditor="doc/a@62CCC9248E6C5CEC9ECB487FFBC2C519.png"/>

① <imgsrc="http://121.251.253.213/doc/a@145B3AC53465C70D90DE0185C036A490.png/download?time=636002476212168852&token=AEBC4369C96DE92EF1B20DF70052F9C3&filename=png"data-url="doc/a@145B3AC53465C70D90DE0185C036A490.png"data-preview_url_ueditor="doc/a@145B3AC53465C70D90DE0185C036A490.png"/>

② <imgsrc="http://121.251.253.213/doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png/download?time=636002476292508993&token=DD1511B0D3AE73B8F5BF2C869A8F52F5&filename=png"data-url="doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png"data-preview_url_ueditor="doc/a@DBF4517EDFBD9FBFD42E1AEFD412897C.png"/>

③ <imgsrc="http://121.251.253.213/doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png/download?time=636002476370665131&token=D503206A410A9A758039EA014BC6A48F&filename=png"data-url="doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png"data-preview_url_ueditor="doc/a@FD0B6F2E4606304A52FAF334BB5BC8E9.png"/>

④ <imgsrc="http://121.251.253.213/doc/a@1AAC94D22983B7C08A700950B6103C74.png/download?time=636002476446481264&token=7B31FF13B112C110C09DD7C42D18DC68&filename=png"data-url="doc/a@1AAC94D22983B7C08A700950B6103C74.png"data-preview_url_ueditor="doc/a@1AAC94D22983B7C08A700950B6103C74.png"/>

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【单选题】 Q为有理数集，Q上定义运算*为a*b=a+b-ab，则<Q,*>的幺元为（）

① a

② b

③ 1

④ 0

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【单选题】命题公式A与B等价，是指（）

① A与B有相同的原子变元

② A与B都是可满足的

③ 当A的真值为真时，B地真值也为真

④ A与B有相同的真值

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【单选题】下列语句中是命题的是（）

① 今天是晴天。

② 你身体好吗？

③ 我真高兴。

④ 请勿吵闹。

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【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"/>

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