中心法则揭示了生物遗传信息传递与表达的过程。人体皮肤生发层细胞能不断分裂，其中主要在细胞核中进行的过程是（   ）
 

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错词下划一横线，并在该词下面写出修改后的词。

注意：1). 每处错误及其修改均仅限一词；

2). 只允许修改10处，多者（从第11处起）不计分。

    Interest is a kind of power that can drive people learn actively and happily. And it also makes learning more effective and efficiently.

    I really appreciate the opinion. I begin to be crazy about English when I was a little boy. And I got interested in foreign culture and custom in particular to meet my curiosity. I read English stories, listened to English songs and watched English films on every day, all of that even seemed to be the “meal” of my daily life. As the result, I always did very well in English exams.

    In a word, interesting is the key to success. Anyone who are interested in something will devote himself to them.