设函数y=3x的图象上有两点A（x1，y1）和B（x2，y2），且当x1＜0＜x 发布时间：2017-05-26 16:03 │ 来源：www.tikuol.com 题型：填空题 问题： 设函数y=3x的图象上有两点A（x1，y1）和B（x2，y2），且当x1＜0＜x2时，则y1______y2．
题型：填空题 选择合适的应答句。( ) 1. Whose is it?( ) 2. Where's my jacket?( ) 3. Where are my shoes?( ) 4. What colour is your dress?( ) 5. Is this your shirt? A. It's under the chair. B. They're under the bed. C. It's Lucy's. D. Yes, it is. E. It's red. 查看答案