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【单选题】
pear/pay
A.
I don't want a pear.
B.
I don't want a pay
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参考答案:
举一反三
【单选题】—Would you like some more rice? —_________. I've had enough. [     ]
A.
You are right
B.
I think so
C.
No,thanks
D.
You're welcome
【判断题】我国工频交流电的角频率是314HZ。
A.
正确
B.
错误
【单选题】我们国家的工频电流是指频率为()。
A.
50Hz的交流电
B.
60Hz的交流电
C.
直流电
【单选题】关于数据类型存储大小从小到大正确的是
A.
sizeof(char)
B.
sizeof(char)
C.
sizeof(char)
D.
sizeof(char)
【单选题】I was surprised by his words ,which made me recognized ______silly mistakes I had made .
A.
what
B.
that
C.
how
D.
which
【简答题】我国使用的工频交流电的频率是_HZ
【单选题】––Why didn’t you come to the party? ––I had meant _____, but something unexpected happened.
A.
so
B.
that
C.
not
D.
to
【单选题】我国工频交流电的频率是( )Hz.
A.
30
B.
50
C.
60
D.
80
【简答题】我国工频交流电的频率是____Hz.
【简答题】请简要概括“和”的哲学包含的内容。
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