题目

 _______ himself ______ clearly, he raised his voice.    A．So as to make; heard                     B．In order to make; hear    C．In order to make; heard                   D．In order that make; hear 答案：C若直线y=-2x+1经过（3，y1）,(-2,y2)，则y1 ,y2的大小关系是（  ）A、 y1＞y2   B、  y1＜y2   C、  y1 ＝y2  D、 无法确定