题目

 The engine of the ship was out of order and the bad weather ______ the helplessness of the crew at sea.    A. made up                 B. resulted from       C. turned out                  D. added to 答案：D有史学家认为，一战爆发的最重要的背景因素有四个：经济上的竞争、殖民地的争夺、相冲突的联盟体系和势不两立的民族愿望。其中“一战”前殖民地的争夺最激烈的国家是 A．英和美    B．德和法    C．美和德    D．英和德