As far as I am concerned, animal test, to some extent, is helpful to us human beings to find more cures to fatal diseases. However, it isunavoidable to talk about the serious suffer those animals have endured during the experiment on themselves.
First, animal test can provides us human beings with an economical method to discover more cures to fatal diseases. It can become a controversial phenomenon if we test new cure to certain disease on human kind, which absolutely goes against humanity's morals. So this alternative has emerged as an excellent way to test new cures.
Second, it can not be neglected that animals suffer more than we can imagine from medical experiments and even die from these relatively ruthless experiments. We can not leave this phenomenon behind only because their lives seem cheaper and less respected than human beings'. As the host of the earth, we should consider more about animals' interests and whether we deserve on these kinds of test.
個人感覺也就能寫成這樣了,你是高中生嗎?這樣的話,文章寫的還合適你.