选择加下划线词语的意思。
我的身段那么匀称,简直可以做模特儿啦!( )
A:均匀
B:平均
已知⊙O半径为3cm,点P到圆心O的距离为3cm,则点P与⊙O的位置关系是 ____.
水是生产生活中不可缺少的物质,下列关于水的说法中正确的是( )
解方程组: {2x−y=33x+2y=8 .
It's six o'clock in the afternoon. It's time for 1!Jenny and Li Ming are2. Jenny's mother is 3 in the kitchen. Jenny and Li Ming help Mrs. Smith 4 the vegetables. After dinner, Mrs. Smith washes the 5 dishes. Li Ming dries the dishes.