1.In order to keep the line moving,customs with lengthy ______ are　required to do their banking inside.

　　A. transit B. transactions C. turnover D. tempos

　　2. President Wilson attempted to______between the powers to end the war, but neither side was prepared to　give in.

　　A. segregate B. whirl C. compromise D.mediate

　　3. The police has installed cameras at　dangerous road______ to film those who drive through red lights.

　　A. trenches B. utilities C. pavements D.junctions

　　4. It is reported that thirty people were killed in a______ on the railway yesterday.

　　A. collision B. collaboration C. corrosion　D. confrontation

　　答案与解析：

　　1.B。为了是排队的人流轮转快一些，要办理烦冗业务的顾客被要求到里面办理。形容词辩义：transit运输运载transactions交易业务 ，与句意相符turnover营业额 成交量;人员调整人员更替率

　　tempos(音乐的)速度节奏，行进速度。故答案为B。

　　2.D。威尔逊总统试图在两个交战国之间调停，但双方都不肯让步。segregate使隔离使分开。whirl 旋转 急转发晕 感觉等变混乱。compromise 妥协。mediate 斡旋 调停 与in between 连用;经调

　　解解决， 符合句意。故答案为D。

　　3.D。警方已在危险路段交叉口处安装了探头以拍路闯红灯的车辆。trenches 沟渠战壕; utilities设备 公用效用 复数为公共事业;pavements 人行道; junctions节点枢纽 。故答案为D。

　　4.A。据报道30人死于昨天的火车相撞事件。故答案为A。