题干
35. Many people agree that never in history a more splendid opening ceremony than that of the Beijing Olympics.
A：there were
B：has there bee
C：there has bee
D：were there
答案(点此获取答案解析）
B
绕点 
逆时针旋转到 
使A、B、 在同一直线上，若 
，
，则图中阴影部分面积为