浙江省9 1联盟2016-2017学年高二下学期期中考试英语试题 word版含答案

re performed.While scientists understand the differences between humans and animals,the similarities are considered significant enough to produce related data that they can then apply to humans.Animal testing reduces harm to humans and saves lives,not only because the exposure to risky substances is minimized,but because some new medicine and treatments have positive effects on humans' overall quality of life.Р?However,a significant number of animals are harmed or die as a result of experiments and testing. Unfortunately,many of the substances used on animal subjects never receive approval for human use.Those who are against animal testing consider this a very important point,because saving humans from suffering is no excuse for the death of laboratory animals.Р浙江省9+1联盟2016-2017学年高二下学期期中考试