新gre作文范文:动物实验的利弊
[参考范文] Every year, millions of animals undergo painful suffering or death as a result of scientific research into the effects of drugs, food additives, cosmetics and other chemical products. While most people think animal testing is necessary, others are upset by what they see as needless suffering. This essay looks at some of the positive and negative aspects of animal testing. Many medical treatments and procedures have been developed from experiments on animals. Since animals share many features with humans, scientists use animals to test ... [ 查看全文 ]新gre作文范文:动物实验的利弊的相关文章