为了建设美好家园，在党的（）报告中，首次提出“美丽中国”的概念
A.十八大
B.十七大
C.十六大
D.十五大
参考答案：A
I am sure ______ they have done for the mankind will always be remembered by the world.[ ]
A. all what
B. about which
C. of that
D. that what
走行工作速度是多少？
