下列选项中，属于十七大报告首次提出的是（ ）
A．生态文明
B．创造条件让群众拥有财产性收入
C．分配更加注意公平
D．廉正文化
参考答案：B
颅内肿瘤引起的头痛性质
A.搏动性疼痛
B.刺痛
C.胀痛
D.深部钝痛
E.电击样痛
The earthquake _____ when I _____ some cleaning. [ ]
A. starts, was doing
B. started, was doing
C. was starting, was doing
D. starts, were doing
