Misledpeopletendtothinkthatusingananimalinresearchis
A.cruelbutnatural.
B.inhumanandunacceptable .
C.inevitable butvicious.
D.pointlessandwasteful.
正确答案:B
Misledpeopletendtothinkthatusingananimalinresearchis
A.cruelbutnatural.
B.inhumanandunacceptable .
C.inevitable butvicious.
D.pointlessandwasteful.
正确答案:B