A.Same gene same life.B.Identical twins also have very different lives.C.The element

外语类 公共英语 已帮助 人

A.Same gene, same life.

B.Identical twins also have very different lives.

C.The element of environment is more important.

D.None of the above.

热搜:a是b的充分条件,b是a的必要条件吗