题目

—Tony is  still in bed . He may miss the school bus . —Last night he  ________late to write the report of his survey. A. stayed up    B. woke up    C. got up  答案：A如图，正比例函数y1=k1x和反比例函数的图象交于A（﹣1，2）、B（1，﹣2）两点，若y1＜y2，则x的取值范围是【    】 A．x＜﹣1或x＞1　B．x＜﹣1或0＜x＜1　 C．﹣1＜x＜0或0＜x＜1　D．﹣1＜x＜0或x＞1