【判断题】【消耗次数：1】
步进电动机由定子和转子组成。
①
正确
②
错误
参考答案：
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相关题目
【简答题】
直流电动机在定子和转子之间存在一个间隙，称为[填空]。
随机题目
【单选题】
A ____ language is one which is still spoken by people in the
course of their everyday lives.
①
living
②
live
③
lovely
④
alive
【单选题】
The ____ of beer and alcohol in New Zealand is very high.
①
consumption
②
use
③
drink
④
absorption
【单选题】
The woman murdered her friend and ______ to ______.
①
was sentenced , death
②
sentencing , die
③
sentenced , death
④
sentenced , die
【单选题】
_____ that we couldn’ t catch up with him.
①
So fast he ran
②
So fast did he run
③
So fast ran he
④
Such fast did he run
【单选题】
I am ____ grateful for the many kindnesses you have
shown my son.
①
excessively
②
much
③
certainly
④
exceedingly
【单选题】
His answer was so confused that I could hardly
make any ____ of it at all.
①
explanation
②
meaning
③
sense
④
interpretation
【单选题】
Every summer they____ the neighbours at an outdoor party.
①
treat
②
invite
③
devote
④
entertaining
【单选题】
Advertising media like direct mail, radio, television and
newspapers ____ to increase the sales of industrial
products.
①
have been used
②
will be used
③
is being used
④
has been used
【单选题】
Miss Green was ____ $100 for driving after drinking.
①
fined
②
charged
③
punished
④
posed