根据2012年人教版九年级英语下册Unit14 SectionB（3a-4）

判断正（T）误（F）。

 ( ) 1. In the last twelve months,  the New Ocean Waves had four major concerts.  

 ( ) 2. They're going to appear on CCTV next month.   

 ( ) 3. They only play other people's songs.

 ( ) 4. They gave half of the money they made to help the homeless children.. 

 ( ) 5. They gave half of the money they made to help the homeless children.

电梯工作时发现有失常噪声、振动冲击时，应（）。

A、驶回基站

B、驶回首站

C、打至修补工作

D、急停待查