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【单选题】
放电着装要求:安全帽、绝缘手套、()。A.
绝缘靴
B.
绝缘鞋
C.
皮鞋
D.
布鞋
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举一反三
【单选题】A primary school teacher can not take it for granted that his pupils always do their homework ______.
A.
as follows
B.
as required
C.
as goes
D.
as is well known
【单选题】Students should get a good habit of studying, you can’t do any other things while you’re doing homework. So please ___________ your MP4.
A.
turn on
B.
turn up
C.
turn off
D.
turn down
【简答题】阅读短文，判断句子对(√)错(×)。 I Change (改变) My Mind (主意) In an English class, Miss Green checks (检查) homework. She asks John, ' What is your favorite fruit, John? ' ' Strawberries.' John answers. ' Well, please ...
【判断题】辅助继电器和PLC外部无任何直接联系,只能有PLC内部程序控制。FX1N系列PLC的辅助继电器采用M和数据共同组成编号,其中编号数据是八进制数据。
A.
正确
B.
错误
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