题目：Which of the following is not the purpose that people conduct animal research?
To help the patients and dying peopole.
To research new drugs.
to improve the success rate of surgeries.
To better raise pets.
题目：Which of the following is not the purpose that people conduct animal research?
To help the patients and dying peopole.
To research new drugs.
to improve the success rate of surgeries.
To better raise pets.
