— . Ours is much stronger than theirs.
A:Of course
B:It depends
C:Don't mention it
D:By no means
若函数f(x)的定义域是0,4,则函数f(2x﹣3)的定义域是____
如图所示,将托里拆利实验装置中的玻璃管倾斜,则试管内水银柱的长度的变化情况是( )
—A teacher.
设x,y为实数,且满足x-13+2003x-1=-1y-13+2003y-1=1,则x+y=( )