“医学贵精,不精则害人匪细","用药如用兵","用药如用神",以上论述要求医务人员必须具有()的医德品质。
A.仁慈
B.严谨
C.公正
D.节操
参考答案:B
The widespread of super-hybrid rice around the world ______the lives of millions and millions of
people suffering from hunger to a great level. [ ]
A. improved
B. is improving
C. has improved
D. has been improving
如图所示,在大口厚玻璃瓶内装入少量的水,并滴入几滴酒精.塞进塞子后,用气筒往瓶内打气,当塞子跳出时,看到瓶口有白雾出现,下列关于该实验的分析错误的是( )
A.往瓶内打气时,外界对瓶内气体做功
B.往瓶内打气时,瓶内气体内能变小
C.瓶塞跳出时,瓶内气体温度降低
D.瓶塞跳出时,瓶内气体对外做功