下列哪项不是固定义齿的优点（）
A．力分散到修复体整体
B．咀嚼效能高
C．磨牙少
D．近似真牙
E．异物感小
参考答案：C
Doctors warned sun-starved tourists who received too much sunlight that they were at seriously risk than others of contracting skin cancer.
A．most
B．more
C．grander
D．greater
现代班级管理强调以______为核心，建立一套能够持久地激发学生主动性、积极性的管理机制。
力分散到修复体整体
力分散到修复体整体