题干
______________ into a college or university in the UK, we must prove ourselves to have a strong ability in spoken and written English.
A：Having been admitted
B：To be admitted
C：Being admitted
D：Admitted
答案(点此获取答案解析）
B
的斜面上时，其速度方向与斜面垂直，运动轨迹如右图中虚线所示。小球在竖直方向下落的距离与在水平方向通过的距离之比为