《约（示范文本）》规定，以（）审定的总平面图为准，明确物业管理区域的四至。
A.城市规划部门
B.政府主管部门
C.业主大会
D.政府规划部门
参考答案：A
It was quite a serious accident, _____ caused by careless driving.
A．which I think was
B．I think which was
C．which I think it was
D．I think which it was
噪声污染治理，可采用吸声、（）减振、隔振等措施。
A．过滤
B．吸附
C．高磁分离
D．隔音
