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【多选题】
SGDV-120A01A驱动器的主要技术参数是( )。A.
额定输出电流120A
B.
额定输入电压3~200V
C.
额定输出电流12A
D.
额定输入电压3~100V
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举一反三
【简答题】青青子衿,
【简答题】诗中说“青青子衿，悠悠我心”，青衿是古时学子的服装，“衿”指的是衣服上的哪一部分?
【判断题】一般我们指的跨境电商是指广义的跨境电商,不仅包含B2B,还包括B2C部分,不仅包括跨境电商B2B中通过跨境交易平台实现线上成交的部分,还包括跨境电商B2B中通过互联网渠道线上进行交易撮合线下实现成交的部分。
A.
正确
B.
错误
【单选题】_____ you didn't know was that I spent _____ little time I had with my family. [ ]
A.
That; that
B.
What; how
C.
What; what
D.
That; how
【单选题】I really wonder____ he has posted me many parcels_____ we didn't work together.
A.
how ,after
B.
why, when
C.
when, before
D.
why, since
【判断题】一般我们指的跨境电商是指广义的跨境电商，不仅包含B2B，还包括B2C部分，不仅包括跨境电商B2B中通过跨境交易平台实现线上成交的部分，还包括跨境电商B2B中通过互联网渠道线上进行交易撮合线下实现成交的部分。
A.
正确
B.
错误
【简答题】完形填空。 I've never been late for school, but yesterday I came very close. My alarm clock didn't 1 , and by the time l woke up, my father had already 2 into the bathroom and had to wait for him 3 . I had...
【简答题】I didn't remember his name____________after I had greeted him. A.when B.as C.until D.while
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