下列哪种因素可能使癌基因活化()
A.癌基因发生点突变
B.正常基因不表达
C.正常基因表达减弱
D.抑癌基因表达增强
E.细胞分化增加
参考答案:A
Which word of the following doesn't have the same stress as the others?
A. Spanish B. Accept C. Repeat
备件管理的主要任务是什么?