题目

如图，取一张长为a，宽为b的长方形纸片，将它对折两次后得到一张小长方形纸片，若要使小长方形与原长方形相似，则原长方形纸片的边a、b应满足的条件是（   ） A . a= b B . a=2b C . a=2 b D . a=4b 答案：B In our hometown, about 1, 500 meters east of my house, ________ an old temple ________ back to the 17th century． [　　] A． stands; dating B． is standing; dated C． standing; dated D． stand; dating