清人赵翼《（）》云：“国家不幸诗家幸，赋到沧桑句便工。”

The United Nations reports the number of _____ attacks against foreigners has decreased in the 

past few days.        [ ]

A. violence                       

B. violently          

C. violent                              

D. interesting

I sit _____ bus to enjoy a better view. [ ]

A. in front of

B. in the front of

C. in front of the

D. in the front of the

There is _____ "u" and ____ "l" in the word "uncle". [ ]

A. an; an

B. a; a

C. a; an

D. an; a

本年缴存额

优秀的服务员必须重视（）服务，因其是检验服务质量高低的着眼点。

A.优质

B.现场

C.公共区域

D.办公区域