下列哪项不是急性龋的特点（）。
A.多见于儿童和青年人
B.病变进展快
C.病变颜色浅
D.质地软而且湿润
E.去腐时必须用钻去除
参考答案：E
An agreement seems to be impossible because the majority of the committee members are _____ it.[ ]
A. against
B. for
C. to
D. with
传染病暴发、流行时采取哪些紧急控制措施？
