人的心理成熟的标志是心理方面具有独立自主的______。
参考答案:自我意识
We the Chinese are not to be ______, ________the situation is. [ ]
A. won; however disastrous
B. defeated; whatever disastrous
C. beaten; whatever disastrous
D. lost; however disastrous
气管插管病人用人工呼吸器时,套管内应注入的空气量为()
A.1~2ml
B.3~5ml
C.5~7ml
D.8~12ml
E.15~20ml