为什么动物中线粒体DNA进化的速率,几乎是核DNA的10倍? 发布时间:2018-11-25 16:31 │ 来源:www.tikuol.com 题型:问答题 简答题 问题: 为什么动物中线粒体DNA进化的速率,几乎是核DNA的10倍?
题型:问答题 简答题 — Do you know where the headmaster is? I have something urgent. — Oh, he ____ have gone far, for the computer is still on in the office.[ ] A. won't B. mustn't C. can't D. wouldn't 查看答案