题干
Miss Liu wants to lose weight.She just has _______ cup of milk for ________ breakfast every day.
A：a;the
B：a;(不填)
C：the;a
D：the;(不填)
答案(点此获取答案解析）
B
、
是同心圆中半径最大的圆的直径，且
于点
，若
，则图中阴影部分的面积等于 