On a ____tour in Britain, Freddy and the band were very popular. Fans showed much ____ to them. Freddy was very ____in the hall. After his most exciting____to perform on a TV program, things ____ wrong____they went, they were always ____ Finally, feeling____and ____, they realized that they must leave, or it might become too ____ for them. So they left Britain.

求证：DE是⊙O的切线．

小赵旅游时骑在红军的雕塑上照相，照片传开后引起众怒，为了给小赵一个教训，同学小白擅自将小赵的姓名、电话、学校等信息在网上传播。每天都有数十个陌生人给小赵来电，谴责他的行为，严重影响了他的生活，小白的做法（　　　）