如图,四边形ABCD内接于⊙O,若∠B=130°,则∠AOC的大小是( )
①“山”共____笔,第二笔是____;
②“马”共____笔,第二笔是____;
③“我”共____笔,第五笔是____。
④“出”共____笔,第四笔是____。
— In addition, you and I have lots of things in common.
— I really can't agree more.