《钢轨伤损编码》第五层数字代表伤损的主要原因。
参考答案：错
Every student and every teacher _______. [ ]
A. are going to attend the meeting
B. have attended the meeting
C. has attended the meeting
D. is attended the meeting
妊娠腹痛属肝脾不和者用（）。
A．胶艾汤
B．桂枝茯苓丸
C．附子汤
D．胶姜汤
E．当归芍药散
