题目内容

电力机车在监控状态下,运行至“分相区”前客车1500米和500米、货车1000米和500米语音提示()。

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房地产估价机构应当由自然人出资,以有限责任公司、股份有限公司或者合伙企业的形式设立。()

A. 正确
B. 错误

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The requirement to carry an Oil Record Book does not apply to a ship that().

A. is not equipped to discharge overboard any oil or oily mixture
B. is on an international voyage to a country that is a party to MARPOL
C. has an International Oil Pollution Prevention Certificate
D. has an oily water separator of sufficient capacity for the oil wastes generated

所滑电压负反馈,就是输出电路的一部分电压反馈到输入端,使之对输入讯号起()

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