题目

完成对话 根据对话内容和所给句子选项，将对话补充完整，使其通顺达意。答题时，将所选句子的序号写在答题卡上相应的空格内。Shopkeeper: Good morning! 【1】Angela: Yes, please. I'm looking for a sweater.Shopkeeper: 【2】Angela: Size L. Shopkeeper: How about this red one? Angela: Oh, it looks nice. 【3】Shopkeeper: Sure! Angela: Well, I think it's too large. 【4】Shopkeeper: Sorry, we don't. But here's a black one in Size M. 【5】Angela: Yes, thank you.Shopkeeper: Mmm, the black one looks good on you.Angela: Thank you. 【6】Shopkeepe小明用计算器计算来研究方程的近似解，得到了代数式ax2+bx+c中的未知数x与代数式的值如下列表格所示，则可判断方程ax2+bx+c=0（a≠0，a，b，c）为常数）的一个解x的范围是A.B.C.D.