近代一位有识之士曾说:“一国所得,诸国安然而享之;一国所求,诸国群起而助之;是不啻驱西洋诸国;使之协以谋我。”上述言论针对的是( )
A:领事裁判权
B:片面最惠国待遇
C:居住及租地权
D:“门户开放”政策
—Don't late, Betty. You have to go to school early tomorrow.
—OK, Morn. I'll go to bed right now.
若□•3xy=3x2y,则□内应填的单项式是( )