A:Being exposed
B:Having exposed
C:Exposed
D:To expose
如图:已知圆O的直径是2,点C在直径AB的延长线上,BC=1,点P是圆O上的一个动点,以PC为边作正三角形PCD,且点D与圆心分别在PC的两侧,求四边形OPDC面积的最大值.
根据拼音写汉字。
dá
shì
yōu
yù
词不____意
如____重负
____默有趣
百治不____
— I'm going to the post office.
— you're there, can you get me some stamps?
—It ____________ like a small mouse.