急性胰腺炎患者腹痛时,禁止使用的药物是()。
A.阿托品
B.哌替啶
C.吗啡
D.地西泮
E.山莨菪碱
参考答案:C
解析:吗啡可引起Oddi括约肌的收缩,从而加重病情。
物体做匀速圆周运动下列说法错误的是( )
A.做匀速圆周运动的物体每秒转过的弧度相等
B.做匀速圆周运动的物体每秒走过的弧长相等
C.做匀速圆周运动的物体任意时刻其速度方向与加速度方向垂直
D.做匀速圆周运动的物体所受的合力不一定完全提供向心力
28.The comedy Tooth Fairy is based on the story all western children know: If a kid leaves a tooth under their pillow, they’ll receive a visit from the tooth fairy, who takes the tooth and leaves a gift ________.
A.in general
B.in exchange
C.in total
D.in common