气电立焊水冷却系统不包括()
A.水泵
B.水箱
C.工件
D.铜滑块
参考答案:C
Jenny nearly missed the flight _____ doing too much shopping.
A.as a result of
B.on top of
C.in front of
D.in need of
男性,37岁。突发上腹部剧痛,2小时后出现右下腹痛,伴恶心。查体不出现下列哪种情况
A.急性病容
B.振水音阳性
C.局部腹肌紧张
D.麦氏点固定压痛
E.肠鸣音可正常