如图，在等腰直角三角形ABC中，∠ACB=90°，AB=$4\sqrt{2}$．以A为圆心，AC长为半径作弧，交AB于点D，则图中阴影部分的面积是　____ ．（结果保留π）

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    Look, this is a photo of my family. There are 1   people in the photo — my father, my mother, my sister and I. We are  2in a park (公园). My father is playing basketball. Basketball is his favorite 3 . My mother is 4 a newspaper. The newspaper seems (好像) very  5  . She keeps a smile (微笑). I'm playing with my pet dog. I like  6 very much. My sister is playing the violin. She practices the violin  7 one hour every day. She can play it 8 and she is a member of the school  9   club. We are all  10a good time.

BCCDA       BDBBA