世界上华人、华侨分布最集中的地区是[ ]
A．美国
B．欧洲
C．东南亚
D．非洲
答案：C
提出科学发展观的重要借鉴是什么？
Viewers continue to watch TV ______ they complain about the quality of the programming. [ ]
A. even though
B. as if
C. as long as
D. unless
