急性左心衰竭导致
A.肺气肿 B.肺脓肿 C.肺不张 D.肺水肿 E.肺褐色硬化
参考答案:D
The Town Hall______in the 1800s was the most distinguished building at that time.[ ]
A. to be completed
B. having been completed
C. completed
D. being completed
向碘水加入四氯化碳后,充分振荡静置,可观察到分层,并且( )
A.上层为紫色,下层为无色
B.上层液体无色,下层液体紫色
C.上层液体无色,下层液体棕黄色
D.上层液体无色,下层液体无色