看图，仿照例子写句子。例: windy The weather is windy 发布时间：2017-05-11 21:19 │ 来源：www.tikuol.com 题型：仿写题，造句 问题： 看图，仿照例子写句子。例: windy The weather is windy.1. ____________________________________________2. ____________________________________________3. ____________________________________________4. ____________________________________________
题型：仿写题，造句 已知圆C以C(t，2t)(t∈R，t≠0)为圆心且经过原点O．（Ⅰ）若直线2x+y-4=0与圆C交于点M，N，若|OM|=|ON|，求圆C的方程；（Ⅱ）在（Ⅰ）的条件下，已知点B的坐标为（0，2），设P，Q分别是直线l：x+y+2=0和圆C上的动点，求|PB|+|PQ|的最小值及此时点P的坐标． 查看答案
____________________________________________ ____________________________________________
windy The weather is windy.
____________________________________________
____________________________________________
____________________________________________