公共英语等级考试PETS四级英译汉试题精选二
文章作者 100test 发表时间 2008:03:29 14:15:17
来源 100Test.Com百考试题网
11) The first two stages in the development of civilized man were probably the invention of primitive weapons and the discovery of fire,although nobody knows exactly when he acquired the use of the latter.