香港回归祖国,标志着一国两制构想的( ).
A．初步成功
B．基本结束
C．重大成功
D．完成
参考答案：C
This is one of the best films _____. [ ]
A. that have been shown this year
B. that have shown
C. that has been shown this year
D. that you talked
引起大叶性肺炎最常见病原菌为（）
A.溶血性链球菌
B.结核菌
C.肺炎球菌
D.葡萄球菌
E.肺炎克雷伯杆菌
