题目

—Would you like to join me for a quick lunch before class? —        , but I promised Nancy to go out with her. A. I’d like to             B.I like it                     C.I don’t              D.I will 答案：A 解析: 本语境是邀请对方去午餐，对方礼貌地拒绝了，A项在此语境中正好表达此义。5．△ABC的外接圆的圆心为O，半径为1，若$\overrightarrow{AB}$+$\overrightarrow{AC}$=2$\overrightarrow{AO}$，且|$\overrightarrow{OA}$|=|$\overrightarrow{AC}$|，则△ABC的面积为（　　）A．$\sqrt{3}$B．$\frac{\sqrt{3}}{2}$C．2$\sqrt{3}$D．1