为了安全,焊机的机壳必须用导线与车间接地线连接。( )
参考答案:对
患者,女,50岁,胃痛隐痛喜按,空腹痛甚,得食痛减,纳差,神疲乏力,时有腹泻脱肛,舌淡苔白,脉虚弱,用升阳益气健脾法治疗,应首选()
A.白术
B.党参
C.黄芪
D.太子参
E.山药
He had never spent a ____ day. [ ]
A. more worry
B. most worrying
C. more worrying
D. most worried