精选优质文档-倾情为你奉上雅思写作范文：动物是人类的朋友 Some people think that the use of animal for experimentation is cruel. Other think it is good for the development of science. Discuss the two sides and give your opinion. 我们常说动物是人类的朋友，不过，现实中，我们人类却往往表现得非常自私，常为一己之利而去出卖、折磨，甚至牺牲自己朋友的生命。动物试验便是我们这种自私行为的表现之一。 We often say that animals are our best friends. However, in real life, we human beings are often very selfish. Sometimes, we often betray this friendship by torturing and even sacrificing the
