题目

如图，在长方形内有两个相邻的正方形A，B，正方形A的面积为2，正方形B的面积为6，则图中阴影部分的面积是． 答案：【1】23−2根据汉语提示完成单词。（5分）小题1: Let’s                ( 分享) these delicious hamburgers!小题2: There is only one empty               (座位)in the reading room. 小题3: The food in the restaurant is bad, and the             (服务) is the worst in the town.小题4: You can                 (选择) which you like best.小题5: Is it                 (必要)for me to do so ?