题目

阅读理解 Many filmgoers went to the cinema to watch the romantic comedySee You Tomorrow just for the name of its producer, Wong Kar-wai. But many foundthemselves disappointed in the end, because there was no typical high-end Wong hit.It seems that the film's star Tony Leung didn't live up to fans, high expectations,either. In this comedy, Leung plays as the owner of the bar See You Tomorrow,and is known as the perfect ferryman, someone who helps broken-heartedpeople whose romantic relationships fail. He and his partner Guan Chun receive theoffer of Xiao Yu to help cheer up her childhood id一个扇形的弧长是20πcm，面积是240πcm2，那么扇形的圆心角是A.120°B.150°C.210°D.240°