不属于标准处方的是()
A.经方
B.草药方
C.时方
D.协定处方
E.医师处方
参考答案:B
—Why did you go back to the shop?
—I left my friend________there. [ ]
A.waiting
B.to wait
C.wait
D.waits
横列式车站分部解体调车时,正确选择开口地点有何原则?