试题与答案

做奥斯特实验时,要观察到小磁针明显的偏转现象,下列方法可行的是 A.将导线沿东西

题型:选择题

题目:

做奥斯特实验时,要观察到小磁针明显的偏转现象,下列方法可行的是

A.将导线沿东西方向放置,磁针放在导线的延长线上

B.将导线沿东西方向放置,磁针放在导线的下方

C.将导线沿南北方向放置,磁针放在导线的延长线上

D.将导线沿南北方向放置,磁针放在导线的下方

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:肝癌淋巴结转移最多的是肝门淋巴结。

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