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【单选题】
三相异步电动机采用降压启动,下列描述错误的是( )A.
正常运行时做角型接法
B.
启动时做接法
C.
可以减小启动电流
D.
适合要求重载启动的场合
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举一反三
【简答题】There is a great i______ in his spoken English because he has done a lot of practice in it.
【单选题】This book will _______ to the students of English. [ ]
A.
be of great value
B.
be of great valuable
C.
be great value
D.
be of very
【单选题】Which is not a factor influencing the changes of English spelling?
A.
Internet
B.
Media
C.
Writers
D.
Dictionaries
【单选题】____ English words come from foreign language.
A.
A great many
B.
The great many
C.
A great many of
D.
A great much
【简答题】以下不属于 C语言整型常量的是A. A. 0L B. -B.018 C. C.0Xa D. D.200U
【单选题】This book will ______ to the students of English. [ ]
A.
be of great value
B.
be of great valuable
C.
be great value
D.
be of very value
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