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【单选题】
在中性点直接接地系统中,发生单相接地故障时,非故障相对地电压()
A.
不会升高
B.
升高不明显
C.
升高1.73
D.
降低
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参考答案:
举一反三
【判断题】Read the following question and introduction below. Some people believe the arts should not be taught in schools as subjects such as computer skills and accounting are more important in the modern w...
A.
正确
B.
错误
【单选题】以下运输方式中,计划性较强,行驶阻力较小的是()
A.
公路运输
B.
铁路运输
C.
水路运输
D.
航空运输
【单选题】以下运输方式中,计划性较强,行驶阻力较小的是()
A.
公路运输
B.
铁路运输
C.
水上运输
D.
航空运输
【简答题】阅读下列短文,选择正确的答案。 All the cities are quite the same. Living in a modern Australian city is not very different from living in an American city. But there are some differences on farms. In many parts of t...
【简答题】Correct the errors in the following sentences. 1) My father never gave me many advices. 2) Our school bought two pieces of equipments for the lab. 3) In modern age, electronics have been developing ve...
【简答题】阅读理解。 All the cities are quite the same. Living in a modern Australian city is not very different from living in an American city. But there are some differences on farms. In many parts of the world, ...
【单选题】在防范企业外部风险中,不能有效应对竞争风险的一项是()
A.
密切注视同领域的动态
B.
选择高技术壁垒项目
C.
控制技术专利
D.
留意价格波动趋势
【简答题】以下运输方式中,计划性较强,行驶阻力较小的是( )。
【简答题】Fill in the blanks with the proper forms of the given words. All projects would have to (approve) ____________ by the Board of Directors (董事会). The course is suitable for both beginners and (advance...
【单选题】能将矩形波输入信号转换成三角波输出信号的电路为( )。
A.
微分运算电路
B.
减法运算电路
C.
加法运算电路
D.
积分运算电路
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