填空题

The man is reading a ______ magazine.	1
Cloning parts of a human body to replace ______ or lost parts is possible in the future.	2
Scientists say that if you took the ______ from someone and tried to create a copy of a person, there’s no guarantee that the copy would look or act like the original.	3
Scientists are using material from ______ and animals to create new medicines.	4
The woman thinks it great to use ______ materials rather than man—made ones.	5