我国商检机构对进出口商品实施检验时,如果法律法规规定的强制性标准低于对外贸易合同...

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【单选题】

我国商检机构对进出口商品实施检验时,如果法律法规规定的强制性标准低于对外贸易合同约定的检验标准的

应按法律法规规定的强制性标准进行检验

应按对外贸易合同约定的标准进行检验；凭样品成交的应按样品检验

应按国家商检局指定的检验标准进行检验

应按相关的生产国标准或有关国际标准进行检验

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【简答题】甲、乙两人参加一次英语口语考试，已知在编号为1～10的10道试题中，甲能答对编号为1～6的6道题，乙能答对编号为3～10的8道题，规定每位考生都从备选题中抽出3道试题进行测试，至少答对2道才算合格，（1）求甲答对试题数ξ的概率分布及数学期望；（2）求甲、乙两人至少有一人考试合格的概率．

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【简答题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这种干扰? A.减低滤波频率 B.减低测速度的速度标尺，增大取样框 C.屏住呼吸，提高滤波频率 D.降低速度标尺 E.深呼吸，提高速度标尺

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【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这些干扰()

减低滤波频率

减低测速度的速度标尺，增大取样框

屏住呼吸，提高滤波频率

降低速度标尺

深呼吸，提高速度标尺

查看完整题目与答案

【判断题】从模具安装角度考虑,导向机构的布置可以采用位置差或尺寸差,以保证模板间的位置及方向性。

正确

错误

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【单选题】The author most likely begins and concludes the passage with questions for what reason?

To suggest possible areas for current and future research

To pose a question that is answered in the body of the passage, and then to formulate a question that arises naturally out of the discussion

To gain the readers' attention and encourage their agreement with the arguments in the passage

To suggest through rhetorical questions that the problems described in the passage do not actually have answers

To test the readers' knowledge of the material discussed in the passage

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【单选题】()浓度逐渐成为目前较为公认的阿托品控制近视的最佳浓度

0.001%

0.01%

0.10%

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【单选题】The author begins his article with Edmund Burke's words to______.

call on scientists to take some actions

criticize the misguided cause of animal rights

warn of the doom of biomedical research

show the triumph of the animal rights movement

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【单选题】他励直流电动机要多次启动和停止，注意每次启动直流电动机时，都要将励磁调节电阻Rpf调至最小，( )调至最大；先接通励磁电源开关，再接通电枢电源开关。

励磁电源开关

励磁调节电阻Rpf

电枢电源开关

电枢调节电阻Rpa

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【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这种干扰

减低滤波频率

减低测速度的速度标尺，增大取样框

屏住呼吸，提高滤波频率

降低速度标尺

深呼吸，提高速度标尺

查看完整题目与答案

【单选题】The author begins the artical with________________.

a controversial opinion about envrionmental influence on human intelce.

a concise definition of the term "nature vs. nurture"

a general remark about a much talked about issue known as the "nature vs. nurture" debate.

an introduction to a new approach to the investigation of genetic and environmental effects.

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相关题目：

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【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这些干扰()

查看完整题目与答案

【判断题】从模具安装角度考虑,导向机构的布置可以采用位置差或尺寸差,以保证模板间的位置及方向性。

正确

错误

查看完整题目与答案

【单选题】The author most likely begins and concludes the passage with questions for what reason?

To suggest possible areas for current and future research

To pose a question that is answered in the body of the passage, and then to formulate a question that arises naturally out of the discussion

To gain the readers' attention and encourage their agreement with the arguments in the passage

To suggest through rhetorical questions that the problems described in the passage do not actually have answers

To test the readers' knowledge of the material discussed in the passage

查看完整题目与答案

【单选题】()浓度逐渐成为目前较为公认的阿托品控制近视的最佳浓度

0.001%

0.01%

0.10%

查看完整题目与答案

【单选题】The author begins his article with Edmund Burke's words to______.

call on scientists to take some actions

criticize the misguided cause of animal rights

warn of the doom of biomedical research

show the triumph of the animal rights movement

查看完整题目与答案

查看完整题目与答案

【单选题】彩色多普勒血流成像在检测腹部血流时，常有彩色信号闪烁现象，如何减轻或消除这种干扰

查看完整题目与答案

【单选题】The author begins the artical with________________.

a controversial opinion about envrionmental influence on human intelce.

a concise definition of the term "nature vs. nurture"

a general remark about a much talked about issue known as the "nature vs. nurture" debate.

an introduction to a new approach to the investigation of genetic and environmental effects.

查看完整题目与答案

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