抛物线y=x2-x-2与x轴的交点坐标是( ),与y轴的交点坐标是( )。 发布时间:2017-05-12 02:22 │ 来源:www.tikuol.com 题型:填空题 问题: 抛物线y=x2-x-2与x轴的交点坐标是( ),与y轴的交点坐标是( )。
题型:填空题 There is no doubt _____ a high-speed maglev train is very good, but I doubt _____ it will do harm to the environment.[ ]A. that; whether B. whether; that C. that ; that D. whether; whether 查看答案