关节脱位的病因中以哪项为多见（）。
A.持续劳损
B.肌肉强列收缩
C.直接暴力
D.间接暴力
E.感染
参考答案：D
Shirly ________ a book about China last year but I don’t know whether she has finished it.
A has written B wrote C had written D was writing
引起溶血性黄疸的疾病包括（）。
A.自身免疫性溶血性贫血
B.恶性疟疾
C.海洋性贫血
D.新生儿溶血
E.病毒性肝炎
