题目

A={(x, y)| y=-4x+6}，B={(x, y)| y=3x-8}，则A∩B等于            （   ） A ．{(-2,-1)}        B． {(2,-2)}      C． {(3,-2)}         D． {(4,-2)} 答案：B According to the rules, students must not ______ their books during examinations.     A. read B. watch     C. notice D. look at