致使消毒灭菌时达不到细菌的致死温度和细菌的致死，是由于湿饱和蒸汽中（）
A、冷凝水含量大
B、蒸汽温度低
C、压力波动大
D、以上都是
参考答案：D
赭石的功效有（）
A.重镇降逆
B.软坚散结
C.收敛固涩
D.平肝潜阳
E.凉血止血
Choose the right answers to the given questions. 为下列问句选择正确的答案。
( ) 1. How's the weather today?
( ) 2. What is the fifth month of the year?
( ) 3. What's the date?
( ) 4. When is lunch?
( ) 5. What day is it?
A. May.
B. It's Saturday.
C. It's 12:30.
D. It's September 10.
E. It's warm and sunny.
