训练考核分为（）、（）和补考。对训练课目的普考和抽考，通常在课目或阶段训练结束时进行。
参考答案：普考；抽考
用所给单词的适当形式完成句子。
1. The audience ______ (clap) loudly for his wonderful performance.
2. The shop ______ (open) at nine o’clock.
3. It was the most ______ (education) experience I have ever had.
4. Receiving letters from their aunt who lives in Scotland gives the family much ______(happy)
5. I was ______ (encourage) to hear you’ll be giving us your support.
如果人体站在地面上，双手分别接触到三相交流电的火线时，把这种触电方式称为（）。
A、线电压触电
B、相电压触电
C、两线触电
D、单线触电
