题目

The boy hid himself behind the (窗帘) and looked out through the window. 答案：【1】curtain “宛平城外狼狗叫，卢沟桥上枪声激。”这句诗反映的历史事件是（  ） A.九一八事变          B.西安事变         C.七七事变            D.八一三事变