若x>y,则下列式子错误的是( )
A:x﹣3>y﹣3
B:3﹣x>3﹣y
C:﹣2x<﹣2y
D:x3>y3
They had a picnic____the mountain yesterday.
下列各句中,加线词的用法不同于其它三句的一项是( )