在环杓后肌收缩时，杓状软骨运动方向是（）
A.向内运动
B.向外运动
C.向前运动
D.向后运动
E.以上都是错误
参考答案：B
a sports meeting in our school next Friday.
A．There is going to be
B．There will have
C．There is going to have
D．There are going to be
高压喷射灌浆法
