急性呼吸窘迫综合征的临床表现中不包括()
A.氧分压降低
B.进行性呼吸困难
C.进行性发绀
D.呼吸节律不整
E.肺底可闻湿啰音
参考答案:D
研究者自身的个性特征的差异,是形成学术论著个性和风格的(),它对学术论著个性色彩的形成,起着决定性的制约作用。
12. ----- Why don’t you do some shopping in the second-hand store ?
------ Well, the goods there are _____, but _____.
A.more expensive; worse
B.more expensive; not as bad
C.cheaper; good enough
D.cheaper; not as good