点p（3，-5）关于y轴对称的点的坐标为（ ）。
（-3，-5）
— What day is it today?
— __________________.[ ]
A. It's Friday
B. It's April 10
C. He is our English teacher
D. It is a black cat
大气式除氧器为什么设臵水封筒？
