阅读诗歌，完成后面的试题。

兰溪棹歌①

（唐）戴叔伦

凉月如眉挂柳湾，越中山色镜中看。

兰溪三日桃花雨，半夜鲤鱼来上滩。

    【注】①棹歌：渔民的船歌。

如图，人体消化道组成不包括图中的（  ）

    Fred is a bus driver. He always drives the number 14 bus. Fred's bus goes 1the shopping mall on High Street to the park on Queen Street, then 2to the shopping mall. Fred3work at six o' clock every morning.4 bus leaves the shopping mall at ten past six. Fred is sometimes5 to work. When he is early, he sits in his bus and6the newspaper until it's time to go. Fred always stops for 7on the bus because he has to finish work at three o'clock in the afternoon. He doesn't go home by bus. He 8 ! He thinks it's really good for his health. Fred loved his 9 because he can meet different people every day. And he is very10. So the people who travel on Fred's bus like Fred very much.

如图，点A、B、C在⊙O上，且四边形OABC是一平行四边形．

（1）求∠AOC的度数；

（2）若⊙O的半径为3，求图中阴影部分的面积．