重型肝炎的病死率是()
A.50%~70%
B.80%以上
C.30%~40%
D.30%~50%
E.20%~30%
参考答案:A
13.She works as a typist in a company.However, she doesn’t like the work, because _____ calls for patience and speed.
A.which
B.it
C.what
D.She
出血性坏死性胰腺炎最严重的后果是
A.感染性休克、失血性休克
B.消化道出血
C.黄疸
D.呕吐
E.脓肿形成