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【简答题】
交流接触器的作用是什么?一般接入电机的主电路还是控制电路中。
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反馈参考答案：
举一反三
【判断题】If two phonetically similar sounds occur in the same environments and they distinguish meaning, they are said to be in complementary distribution.
A.
正确
B.
错误
【判断题】If you need your recipient to do something, you’d better not outline it in your email.
A.
正确
B.
错误
【单选题】If two phonetically similar sounds are two distinctive phonemes, they are said to form a .
A.
minimal pair
B.
complementary distribution
C.
phonemic constrast
D.
minimal set
【简答题】置位指令 中, N 的取值范围为:( )
【单选题】If you_______ the receipt, you could have got a refund for those jeans.
A.
didn't throw away
B.
hadn't threw away
C.
hadn't been throwing away
D.
hadn't thrown away
【判断题】If two phonetically similar sounds occur in the same environments and they distinguish meaning, they are said to be in complementary distribution.
A.
正确
B.
错误
【判断题】If you are in America, to improve your listening and speaking, you hang out with Americans.
A.
正确
B.
错误
【判断题】If two phonetically similar sounds occur in the same environments and they distinguish meaning, they are said to be in complementary meaning.
A.
正确
B.
错误
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