【判断题】【消耗次数：1】
自耦变压器由于原副边有电的联系，故不能作为安全变压器使用。
①
正确
②
错误
参考答案：
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相关题目
【简答题】
自耦变压器的特点有哪些？
【单选题】
自耦变压器的绕组容量与变压器容量的关系是（）。
①
<imgwidth="279"height="113"src="http://wljy.whut.edu.cn:80/uploadfiles/word/DJYTD.files/DJYTD25960.png">
②
<imgwidth="235"height="60"src="http://wljy.whut.edu.cn:80/uploadfiles/word/DJYTD.files/DJYTD26076.png">
③
<imgwidth="273"height="113"src="http://wljy.whut.edu.cn:80/uploadfiles/word/DJYTD.files/DJYTD26191.png">
随机题目
【单选题】
Breaking Mary’s doll was purely ____. John didn’t mean to
do it.
①
incidental
②
accidental
③
occasion
④
opportunity
【单选题】
Televisions enable us to see things happen almost at
the exact moment ____.
①
which they are happening
②
they are happening
③
which they happen
④
they have happened
【单选题】
It is the ability to do the job_____ matters, not where you
come from or what you are.
①
one
②
that
③
what
④
if
【单选题】
Mac’s close ____ to his brother made people mistake them for one another.
①
resemblance
②
identity
③
appearance
④
relationship
【单选题】
My father is so deaf that he has to use a hearing ____.
①
help
②
aid
③
support
④
tool
【单选题】
I understand ____ preparation that staff must put in under pressure to meet the deadline.
①
more than the enormous amount of
②
better than most the enormous number of
③
better than most the enormous amount of
④
fewer than the number of
【单选题】
When I got out of the car and walked about among them, ____ one old man who shook his head disapprovingly, they all began to cheer.
①
see that
②
except that
③
provided that
④
except for
【单选题】
She resorted to ____ when she had no money to buy foods for her children.
①
have stolen
②
steal
③
stole
④
stealing
【单选题】
Would you mind _____ your radio a little bit? I cant concentrate on my work.
①
turning on
②
turning down
③
turning to
④
turning in