某同学在做油脂鉴定实验时因操作不规范伤到手指,一段时间后伤口愈合。在伤口愈合过程中一般没有涉及细胞的() A . 分裂 B . 分化 C . 凋亡 D . 癌变 答案:D26、At the conference, political leaders from many
countries promised to work together to defend the world _____
terrorism and other threats.
A.
for B.
against C.
beyond D. without