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【单选题】
当电压互感器接于母线上时,线路出现非运行,如果断线相又发生接地故障,两端负序方向元件()。
A.
不能正确动作
B.
能正确动作
C.
动作特性不确定
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参考答案:
举一反三
【单选题】中共二大制定民主革命纲领的依据( )。
A.
中共的中心任务
B.
中共的奋斗目标
C.
中国的社会性质和革命性质
D.
中国无产阶级的特点
【单选题】What do you think about our new classroom?
A.
I don’t think so.
B.
Of course not.
C.
Very good.
D.
Not at all.
【简答题】What is the first problem facing the students leaving university? 2. How do you think they will react if they can't find a job? 3. What do you think their parents will do if they can't find a job? 4. ...
【简答题】Do you think man lives in harmony with nature now? 2. Do you think that man has been destroying nature? Could you give some examples? 3. What do you think we should do to preserve nature?
【多选题】鲁迅说:“本草家提起笔来,写:砒霜,大毒。字不过四字,但他却知道了这东西曾毒死过若干性命的了。”这说明()。
A.
实践是认识的来源
B.
实践是认识的基础
C.
实践出真知
D.
一切科学知识都是人们实践经验的总结
【简答题】Pair work Talk about free-time activities with your partner. You can take turns asking your partner the following questions. 1. What do you usually do in your free time? 2. What’s your favorite free-t...
【简答题】一组样本数据为3,3,3,1,5,14,12,11,9,7。这组数据的中位数是()
【单选题】What do you think of the two hotels in the town?
A.
One is better than the other.
B.
They are not the same in size.
C.
Both of them are not good.
D.
Neither of them is good.
【单选题】种子的基本构造包括三部分组成,以下哪个不属于这三部分
A.
皮层
B.
种胚
C.
胚乳
D.
糊粉层
【单选题】屠呦呦首先发现中药青蒿的提取物有高效抑制疟原虫的成分,属于哪一种类型的创造?
A.
技术发明
B.
艺术创造
C.
科学研究
D.
医学发明
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