His father ____________ in a hospital. [ ]
A. does
B. works
C. work
答案：B
某宾馆底楼客房比二楼少5间,某旅游团48人,若全部安排在底楼,每间4人,房间不够,每间5人,有房间没有住满,又若安排在二楼,每间3人,房间不够,每间4人,有房间没有住满4人,该宾馆低楼有客房______间.
三环类抗抑郁药中毒致死量为()
A．＞1g
B．＞2g
C．＞0.5g
D．＞4g
E．＞5g
