题干
There are two buildings, _______ stands nearly a hundred feet high.
A：the larger one
B：the larger of them
C：the larger one that
D：the larger of which
答案(点此获取答案解析）
D
在圆
上绕坐标原点沿逆时针方向匀速旋转，12秒旋转一周，已知时间
时，点A的坐标是
，则当
时，动点A的纵坐标y关于t（单位：秒）的函数的单调递减区间是