题目

 I had been told that she was really nice but she was ______ nice when I met her.   A. anything but                   B. something but   C. nothing but                    D. everything but  答案：A如图，在矩形纸片ABCD中，AB＝3cm，BC＝4cm，现将纸片折叠压平，使A与C重合，如果设折痕为EF，那么重叠部分△AEF的面积等于（   ）cm2A．B．C．D．