设A是m×n阶矩阵，下列命题正确的是( )．A.若方程组AX=0只有零解，则方程...

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【单选题】

设A是m×n阶矩阵，下列命题正确的是( )．

若方程组AX=0只有零解，则方程组AX=b有唯一解

若方程组AX=0有非零解，则方程组AX=b有无穷多个解

若方程组AX=b无解，则方程组AX=0一定有非零解

若方程组AX＝b有无穷多个解，则方程组AX＝0一定有非零解

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参考答案：

举一反三

【多选题】根据《行政诉讼法》规定，以下关于行政案件上诉的说法错误是的( )

当事人不服法院第一审判决的，有权在判决书送达之日起15日内向上一级法院提起上诉

当事人不服法院第一审裁定的，有权在裁定书送达之日起15日内向上一级法院提起上诉

上诉的对象是已经发生法律效力的判决和裁定

依法提起上诉，将会引起行政诉讼第二审程序

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【单选题】三级钢筋是指( )。

HPB300

HRB335

HRB400

HRB500

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【判断题】针对朝鲜半岛局势,中国提出了“ 双暂停“倡议,是指通过朝鲜暂停核导活动,美韩暂停大规模军演,推动双方回到谈判桌前。

正确

错误

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【单选题】三级钢筋是指( )级钢筋。

HPB300

HRB335

HRB400

HRB500

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【单选题】When computing is spread over networks rather than performed at a centralized location, this is known as __________.

multiprogramming

distributed computing

personal computing

batch processing

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【多选题】航空运输一般适合( )为运输对象。

军服

救灾物质

战时军需品

精密仪器

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【单选题】When computing the normal balance of an account:

salaries expense should have a credit balance.

accounts payable should have a credit balance.

equipment can have either a credit or debit balance.

notes payable can have either a credit or debit balance.

查看完整题目与答案

【单选题】A computing problem is amenable to be solved by a recursive algorithm when:

The problem has a “self-similar” nature, i.e., the nature of a smaller instance of the problem is the same as the original one

The problem has an “data-parallel” nature, i.e., the problem can be divided into many parts that can be solved totally independently

The problem has a “function-parallel” nature, i.e., an exact same operation can be applied to different parts of the problem simultaneously

None of the options given

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【多选题】根据行政诉讼法和有关规定，当事人对人民法院的（）裁定不服，可以向上一级人民法院上诉。

不准许撤诉

不予受理

中止诉讼

管辖异议

先予执行

查看完整题目与答案

【单选题】When computing the normal balance of an account:

salaries expense should have a credit balance.

accounts payable should have a credit balance.

equipment should have a credit balance.

notes payable should have a debit balance.

查看完整题目与答案

相关题目：

【多选题】根据《行政诉讼法》规定，以下关于行政案件上诉的说法错误是的( )

当事人不服法院第一审判决的，有权在判决书送达之日起15日内向上一级法院提起上诉

当事人不服法院第一审裁定的，有权在裁定书送达之日起15日内向上一级法院提起上诉

查看完整题目与答案

查看完整题目与答案

【判断题】针对朝鲜半岛局势,中国提出了“ 双暂停“倡议,是指通过朝鲜暂停核导活动,美韩暂停大规模军演,推动双方回到谈判桌前。

查看完整题目与答案

查看完整题目与答案

【单选题】When computing is spread over networks rather than performed at a centralized location, this is known as __________.

multiprogramming

distributed computing

personal computing

batch processing

查看完整题目与答案

【多选题】航空运输一般适合( )为运输对象。

查看完整题目与答案

【单选题】When computing the normal balance of an account:

salaries expense should have a credit balance.

accounts payable should have a credit balance.

equipment can have either a credit or debit balance.

notes payable can have either a credit or debit balance.

查看完整题目与答案

【单选题】A computing problem is amenable to be solved by a recursive algorithm when:

The problem has a “self-similar” nature, i.e., the nature of a smaller instance of the problem is the same as the original one

The problem has an “data-parallel” nature, i.e., the problem can be divided into many parts that can be solved totally independently

The problem has a “function-parallel” nature, i.e., an exact same operation can be applied to different parts of the problem simultaneously

None of the options given

查看完整题目与答案

【多选题】根据行政诉讼法和有关规定，当事人对人民法院的（）裁定不服，可以向上一级人民法院上诉。

查看完整题目与答案

【单选题】When computing the normal balance of an account:

salaries expense should have a credit balance.

accounts payable should have a credit balance.

equipment should have a credit balance.

notes payable should have a debit balance.

查看完整题目与答案

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