The twin girls killed their parents______ cold blood. [ ]
A. with
B. to
C. in
D. on
答案:C
注册建筑师注册的有效期为()年。
A.1
B.2
C.5
D.10
做出ALI/ARDS诊断前,宜排除以下疾病()
A.自发性气胸
B.大片肺不张
C.上气道阻塞
D.急性肺栓塞
E.心源性肺水肿