用仪表在线监测2M电路信号,其结果只能反映出该电路某个方向的情况。
参考答案:对
She is usually _______. Why did she get ill so suddenly?
A.in style
B.out of style
C.in good health
D.in time
—Didn't you have a good time at the party?
—Of course I did.As a matter of fact, I had such fun that time seemed to________so quickly.[ ]
A. go by
B. go away
C. go out
D. go over