题目

He ______ me ______ being irresponsible. A . charged; for                 B . sued; with C . charged; with D . accused; for 答案：C如图，是反比例函数y=和y=（k1＜k2）在第一象限的图象，直线AB∥x轴，并分别交两条曲线于A、B两点，若S△AOB=2，则k2-k1的值是（ ）A．1B．2C．4D．8