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【简答题】
晶闸触发开通过程中,当阳极电流小于 电流之前,如去掉 脉冲,晶闸。
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【判断题】In western culture, if you are the one being toasted, just listen quietyly to the toast and then say a quick thank-you. Do not put your hand on your glass, much less drink.
A.
正确
B.
错误
【简答题】If you want to get the attention of a waiter of salesperson, put your hand out in front of you, palm down, and wave it up and down.Don’t confuse this with the gesture for “No”, which is to wave your r...
【简答题】Translation: Situation 2: You put a pot (壶) of water on the stove (炉子) for some hot chocolate. When it’s boiling (沸腾), you pour some in the cup, and some spills (溢出) on your hand. What do you do? Resp...
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