隔离开关出厂验收，绝缘子应按标准规定进行（），任一项不符合要

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问题多项选择题

隔离开关出厂验收，绝缘子应按标准规定进行（），任一项不符合要求应判为不合格。

A.尺寸及外表检查

B.瓷件超声波检查

C.弯曲和扭转试验

D.局部放电

答案

参考答案：A, B, C

听力题

单词拼写（满分5分）

小题1:It is hard to p him to stop smoking.

小题2:Everyone who often exercises can b from it.

小题3:Do you feel h when you’re often in difficulty.

小题4:If you’re not satisfied with this book, I can r you another one.

小题5:I will never f you for the rude words you said to me last night.

小题6:He was a good worker who was (尽心尽力) to his family as well as his work.

小题7:What’s your (态度) towards this practice.

小题8:Do you feel (内疚的) when you have done sth that you shouldn’t do.

小题9:Mike realized his mistake, and (道歉) at once.

小题10:He would rather die than (背叛) his country.

单项选择题

厚薄规可以与（）及等高垫铁配合使用，来检验工作台台面的平面度。

A.塞尺

B.千分尺

C.平尺

D.游标卡尺