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问题 不定项选择

如图所示，绝缘水平面上有两个离得很近的导体环a、b。将条形磁铁沿它们的正中向下移动(不到达该平面)，a、b将如何移动

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A．a、b将相互远离                                            

B．a、b将相互靠近

C．a、b将不动

D．无法判断

答案

答案：A

单项选择题

You are the project manager in an automobile manufacturing company．Because of heavy rains，the machine parts required in your manufacturing process which a vendor was sending to you，could not reach you in time．You had anticipated this risk and planned for it in your risk response plan．So，as part of your risk response plan，you started using machine parts which had been supplied 1 year ago and were not utilized at that time．However，this has subjected your project to a new risk-that the machine parts which were not used for 1 year might be a having higher level of defects．This new risk can also be called______．

A．unidentifiable risk

B．unmanageable risk

C．secondary risk

D．residual risk
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单项选择题

体内合成胆固醇的原料是

A．葡萄糖
B．脂肪酸
C．氨基酸
D．乙酰CoA
E．肝糖原
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