题目

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 A couple(夫妻)from another country come to New York.They want (take) a walk and see the city, but they areafraid of getting (lose) because they can't speak any English. Before they leave, they write down thewords on the gate of the hotel. They walk around city andbuy something they like. After two (hour), they begin to go back. Ofcourse, they (do)know the way. they go to a policeman and ask himthe way to the hotel. The policema 下列说法正确的是 [　　] A．相等和圆心角所对的弧相等 B．无限小数是无理数 C．阴天会下雨是必然事件 D．在平南直角坐标系中，如果位似是以原点为位似中心，相似比为k，那么位似图形对应点的坐标的比等于K或－k．