题目

—Didn’t the guard see him breaking into the bank? —No, he _______ in the other direction. A. was looking                                          B. had looked C. looked                                                  D. is looking   答案：A 我国城市化进程不应过快的主要原因是 [　　] A．人口素质还不高 B．科技水平不高 C．城市建设经验不足 D．经济发展水平不高