题目

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。One sentence from the news in Washington has remained in my mind since a trip last summer: “When you see people run against the crowd escaping 【1】 the danger, they are 【2】 (probable) firefighters, police or journalists.”I think this is most true for the firefighters. Whenever and wherever 【3】 (disaster) happen — 9/11 Attacks in New York 14 years ago or the explosion in Tianjin on Wednesday night — it is always the firefighters 【4】 take the lead to run to the v如图，直线y＝x－b与y轴交于点C，与x轴交于点B，与反比例函数y＝的图象在第一象限交于点A（3，1），连接OA，则△AOB的面积为（ ）A. 1 B. C. 2 D. 3