单项选择题

直流电压表的电压灵敏度的单位是Ω/V,其物理意义是使指针偏转同样角度所需驱动电流大小。
A、正确
B、错误

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海豹潜到水下250米。

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在软件复用应遵循的原则中,错误的是

A.复用不需要专门经费的支持
B.复用应该先示范后推广
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A、Old English began to turn into the Middle English.
B、English's status was greatly improved.
C、English was used only in Parliament.
D、English kings usually spoke English

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民族志电影《极乐森林》讲述了__

A.尼泊尔蓝毗尼的佛教信仰
B.巴西热带雨林的刀耕火种
C.印度贝拿勒斯的丧葬仪式
D.巴厘岛的斗鸡仪式