[医] 直接遗传

Controling Cancer There are two main causes of cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical characteristics that are passed on to us by our parents. However, we can do a great deal to control

发表于:2018-12-01 / 阅读(116) / 评论(0) 分类 大学英语六级听力短文

Controling Cancer There are two main causes of cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical characteristics that arepassed on to us by our parents. However, we can do a great deal to control

发表于:2018-12-30 / 阅读(31) / 评论(0) 分类 英语六级听力练习集锦