根据所给首，与出所缺单词。I can see a v ____ tape on the desk.Li Gang likes m ____ , but he doesn’t music.The p ____ is very good. I also want to buy one.This r____ is very big, but that one is very small.I n ____ a pen, two pencils and some books.
A．冷水浸泡
B．加热煎制
C．箅渣取液
D．灌装保存
如图，AB、CD是⊙O的直径，弦CE∥AB，弧CE的度数为40°，求∠AOC的度数．
