如图,⊙O外接于△ABC,AD为⊙O的直径,∠ABC=30°,则∠CAD=( )
A:30°
B:40°
C:50°
D:60°
我火眼金睛,能区分形近字并组词。
侮____ 悔____ 销____
消____ 历____ 厉____
读“日本地图”,回答下列问题.
— Did you meet ______ interesting at the party?— Not really.