患儿女,5个月,T 38.9℃,咳嗽,呛奶,有少量痰,双肺可闻及散在的干、湿哕音,护士首先应采取的措施是
A.降温B.止咳C.化痰D.吸氧E.控制感染
参考答案:A
In ______, the only element that can be deleted or removed is the one that was inserted most recently.
A.a line
B.a queue
C.an array
D.a stack
证券市场的效率程度分为( )。
A.弱式有效市场
B.次强式有效市场
C.强式有效市场
D.超强式有效市场