腹部闭合性损伤诊断的关键在于首先确定有无()
A.腹壁损伤
B.内脏损伤
C.腹痛
D.恶心、呕吐
E.腹膜后血肿
参考答案:B
The English spoken in the United States is only slightly different from _______ spoken in England.[ ]
A. which
B. what
C. that
D. the one
日本把利用业余时间参与体育锻炼的人分为()种类型。
A、3
B、4
C、5