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【简答题】
在图3-19所示电路中,I1= ,I2= ,I3 。
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反馈参考答案：
举一反三
【单选题】— I wonder if I could take a few days off work. — ________ .
A.
I’m sure you could leave off work
B.
I should say a few days is no problem
C.
Why, what’s the matter with you
D.
No, you mustn’t go away
【单选题】——Could I use your English dictionary for a few moments? —— ________．I’m not using it myself.
A.
Come on
B.
It depends
C.
Go ahead
D.
That’s great
【单选题】— Can I take your order now? — ____. Could I have a few more minutes? [ ]
A.
No way
B.
Go ahead
C.
Not quite
D.
No good
【单选题】-- Could I use your computer for a few moments, please? --- ________. I’m not using it myself.
A.
Come on
B.
It depends
C.
Go ahead
D.
That’s great
【单选题】----Could I use your computer for a few moments, please? -----______.I’m not using it myself.
A.
Go ahead
B.
Come on
C.
Take care
D.
Hold on
【简答题】— Could I use your computer for a few moments, please?—__________. I’m not using it myself. A．Come on B．It depends C．Go ahead D．That’s great
【简答题】已知 ,且 是第四象限的角,则 ( )
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