急性大面积心肌梗塞时,肺部可以听到移动的湿性啰音,说明()
A.肺部感染
B.心绞痛发作
C.合并左心衰
D.合并右心衰
E.合并心包炎
参考答案:C
She has already finished _______ (read) the novel(小说). [ ]
A. read
B. to read
C. reading
D. reads
中国发明管形火器的时间是______
A.唐代 B.北宋C.南宋 D.元代