胰腺损伤最常见的合并伤是（）
A.十二指肠
B.胆总管
C.横结肠
D.右侧肾
E.脾
参考答案：A
It's raining heavily outside. He has to stay at home, ______? [ ]
A. has he
B. hasn't he
C. does he
D. doesn't he
钻压由（）传感器信号求和。
A、立压
B、绞车
C、大钩负荷
