气厥虚证的治法是
A．活血顺气B．补养气血C．顺气开郁D．补气回阳
参考答案：D
— _____ made Daisy wild with joy?
— Her success in the A-level exam this year. [ ]
A. How was it that
B. When was it that
C. Why was it that
D. What was it that
A．10：3
B．3：10
C．3：10
D．10：3
时（T为交流的周期），原线圈中的电流瞬时值为0.03A．变压器的原、副线圈的匝数比为（ ）
：3