From the passage we understand that conventional plant breeding produced ______.A．a potato

We can infer from the passage that______.A．offensive breath can"t easily be curedB．elderly

What can we learn about the childrens homework from the passage？A．It is so difficult for t

What can we infer from the passage?A. Teenagers t

What can we infer from the passage?A.The salaries

We can learn from the passage that the shoot syst

From the information of the passage we know that