双侧髁突仅作转动，下颌下降2cm，此时的下颌运动称为（）
A.小开颌运动
B.大开颌运动
C.最大开颌运动
D.前后运动
E.侧方运动
参考答案：A
High-school-age boys are more likely to be obese than their female counterparts. Only 30% of high-school-age boys get the recommended 60 minutes of daily exercise.
平均切割速度
