出现黑便常提示上消化道出血量为( )。
A.>5ml B.>30~50ml C.>50~70mlD.>100ml E.>200ml
参考答案:C
解析: 上消化道大量出血的诊断
The young man made a __________ to his parents that he would try to earn his own living after
graduation.[ ]
A. prediction
B. promise
C. plan
D. contribution
检查脊柱活动不包括()
A.脊柱前屈
B.脊柱侧弯
C.脊柱旋转
D.脊柱后伸
E.脊柱压痛