颈部后方红肿三天，上有粟粒状脓头多个，肿势逐渐增大，脓头增多，灼热剧痛，诊为（）。
A.疔
B.多发性疖
C.痈
D.有头疽
E.流注
参考答案：D
As we all know, the beautiful mobile isn't _____ high price at all. [ ]
A. worthy too
B. worth that
C. fit much
D. valuable that
大小两圆的直径之比是3：2，大小两圆的面积之比是______．
