A:同时沸腾
B:稍后也沸腾了
C:温度达到沸点,不会沸腾
D:温度低于沸点,不会沸腾
若﹣x2yn与3yx2是同类项,则n的值是( )
打电话时要注意使用文明用语。( )
—Is that all?
—Yes. That's all ______ I want to take.