若y=(m-1)x2-m2是正比例函数,则m的值为( ) A.1 B.-1 C.1或- 发布时间:2017-04-27 23:36 │ 来源:www.tikuol.com 题型:选择题 问题: 若y=(m-1)x2-m2是正比例函数,则m的值为( )A.1B.-1C.1或-1D.2或-2
题型:选择题 The experiment shows that proper amounts of exercise, if __ regularly, can improve our health.A.being carried outB.carrying outC.carried outD.to carry out 查看答案