题目

--He is eager to try something he has never tried before. --Oh I see. That’s ______he’s different from others. A. when                           B. where                  C. how                           D. what 答案：B菱形具有而矩形不具有性质是（ ）A．对角线相等B．对角线互相平分C．对角线互相垂直D．对角线平分且相等