关于stl和mfc

怎么在mfc中用stl？

比如我在mfc的一个类中用如下语句：
#include<iostream>
报错：syntax error : identifier 'THIS_FILE'
d:\microsoft visual studio\vc98\include\new(35) : error C2091: function returns function
d:\microsoft visual studio\vc98\include\new(35) : error C2809: 'operator new' has no formal parameters
d:\microsoft visual studio\vc98\include\new(36) : error C2061: syntax error : identifier 'THIS_FILE'
d:\microsoft visual studio\vc98\include\new(37) : error C2091: function returns function
d:\microsoft visual studio\vc98\include\new(37) : error C2556: 'void *(__cdecl *__cdecl operator new(void))(unsigned int,const struct std::nothrow_t &)' : overloaded function differs only by return type from 'void *(__cdecl *__cdecl operator new(voi
d))(unsigned int)'
d:\microsoft visual studio\vc98\include\new(35) : see declaration of 'new'
d:\microsoft visual studio\vc98\include\new(41) : error C2061: syntax error : identifier 'THIS_FILE'
d:\microsoft visual studio\vc98\include\new(42) : error C2091: function returns function
d:\microsoft visual studio\vc98\include\new(42) : error C2556: 'void *(__cdecl *__cdecl operator new(void))(unsigned int,void *)' : overloaded function differs only by return type from 'void *(__cdecl *__cdecl operator new(void))(unsigned int)'
d:\microsoft visual studio\vc98\include\new(35) : see declaration of 'new'
d:\microsoft visual studio\vc98\include\new(42) : error C2809: 'operator new' has no formal parameters
d:\microsoft visual studio\vc98\include\new(42) : error C2065: '_P' : undeclared identifier
Error executing cl.exe.

GA.obj - 11 error(s), 0 warning(s)
为什么？