已知三角形的三边的比是4：6：7，且最短边与最长边相差12cm，则这个三角形的周长是（ ）cm．
4
----Could you tell me ________?
----Bus No. 32 will take you right there.
A．where is Nanjing University
B．what Nanjing University is like
C．how can I get to Nanjing University
D．which bus I shall take to Nanjing University
选修课程是为适应学生的共性而开发的课程。
