每个自然月的()必须将所有无效票和闸机里的单程票回收入库。
A.第一天
B.最后一天
C.15日
D.20日
参考答案:B
—Look! What is over there?
—Oh, dear! The house is on fire. Let's call quickly. [ ]
A. happening, 120
B. happening, 119
C. happened, 110
肺炎喘嗽之痰热闭肺证的治法为()
A.清热
B.宣肺
C.涤痰
D.定喘
E.泻肺