A:东北平原
B:长江三角洲
C:内蒙古高原
D:海南岛
请找出划线部分读音不同的单词( )
﹣ Mom, ______ I visit the art museum next Monday?
﹣ I'm afraid you can't. All museums in the city are closed on Monday.
已知函数f(x十1)是定义在R上的奇函数,若对于任意给定的不等实数x1,x2,不等式x1f(x1)+x2f(x2)<x1f(x2)+x2f(x1)恒成立,则不等式f(1-x)<0的解集为( )