题目

根据下列表格中的对应值，判断 y ＝ ax 2 + bx + c ( a ≠0， a 、 b 、 c 为常数)与 x 轴的交点的横坐标的取值范围是（ ）   x 3.23 3.24 3.25 3.26y ＝ ax 2 + bx + c －0.69 －0.02 0.03 0.36 A．0＜ x ＜3.23  B．3.23＜ x ＜3.24 C．3.24＜ x ＜3.25   D．3.25＜ x ＜3.26 答案：C— How did people respond to the plan to charge for plastic bags used in the supermarket?— The plan received ________ support throughout the country. A. widespread  B. steady|C. potential   D. obvious