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问题 多项选择题

关于套管高频局部放电检测，说法正确的是（）。

A.检测从套管末屏接地线上取信号

B.当怀疑有局部放电时，应结合其它检测方法的检测结果进行综合分析

C.当套管应用于变压器或电抗器时，其内部局部放电会在套管测试数据表征出来，因此要结合变压器或电抗器本体测试结果综合分析

D.检测从套管零屏接地线上取信号

答案

参考答案：A, B, C

单项选择题

脱丙烷塔系统在（）停车。

A．碳二加氢反应器一停车后

B．甲烷化停车后

C．乙烯精馏塔停车后

D．脱乙烷塔、凝液汽提塔停止向其送料时
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填空题

根据句意及首字母提示写出所缺单词。

1. People in Korea are supposed to b_____ when they meet for the first time.

2. In China people often s_____ hands with each other when they meet for the

first time.

3. My classmates are m_____ boys.

4. You're supposed to k_____ when you meet people for the first time in Brazil.

5.  When you are i_____ for a party, you should arrive a little earlier in my

country.
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