【单选题】【消耗次数：1】
电路如图2-1所示，若电流源的电流IS1A,则电路的功率情况为()
①
电阻吸收功率，电流源和电压源供出功率
②
电阻与电流源吸收功率，电压源供出功率
③
电阻与电压源吸收功率，电流源供出功率
④
电阻无作用，电流源吸收功率，电压源供出功率
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
You’d better listening to the teacher in the lesson.
①
pay attention to
②
paying attention to
③
paying attention on
④
payed attention on
【单选题】
Good friends means sharing happiness but also sadness ____each other .
①
of
②
with
③
by
④
for
【单选题】
—What about learning a foreign language in the summer holiday?— .
①
It’s a good idea.
②
Yes, I agree with you.
③
No, I don’t think so.
④
yes,perfect.
【单选题】
—Cherry, what do you think of today’s English homework?— .
①
little difficult.
②
The teacher assigned a lot.
③
No problem.
④
No way.
【单选题】
-Must I finish the report today? -_____________________.You can finish it tomorrow.
①
Yes, you must
②
No, you mustn’t.
③
No, you don’t have to
④
yes
【单选题】
___________ was very not wise.
①
Telling her the truth
②
Having told her the truth
③
Tell her the truth
④
Have told her the truth
【单选题】
-We’ve worked for a long time, what about stopping to have a rest? -_____________________.
①
A. I like it.
②
A. You are wonderful.
③
A. That’s a good idea.
④
very good
【单选题】
—The red dress fits me very much, doesn’t it?— .
①
Yes, it does.
②
You looks very beautiful.
③
It is a little tight.
④
wonderful
【单选题】
The news came _____ we won the first prize in the competition.
①
that
②
which
③
whether
④
how