Many people fear the effects cloning could have on our society. They imagine masses of identical people, and the production of "perfect" humans for warfare or slave labor. With such thought-provoking possibilities for the 21st century, human cloning will no doubt continue to receive widespread attention and scrutiny. 许多人担心克隆对社会带来影响。他们想象可能会出现一大群长得一模一样的人，和因战争或苦役需要而制造出的“完美”人类。我们甚至可能看到，存放在医院中作备用的无头人体。在21世纪具有如此能激发思考的种种可能性的情况下，克隆人类毫无疑问会继续受到广泛的关注及审视。 编辑推荐：名师指导公共英语阅读考试技巧 公共英语pets三级全真模拟试卷 公共英语pets二级语法讲解汇总