Sample Question 12 (★★★★★)Is the age of book over and will books be replaced by electronic devices?■ Some people say that the age of book is over and all information will be prented by video,
（166）Not only… but （also） 注意：1.连接主语，谓语数的变化 2.连接两个句⼦，not only 后⽤倒装 例句：Not only the teacher but also the students are all interested in the movie Not only the students but also
环烷烃的命名1. R ，S 构型的确定人的左、右手互为镜影但不能重叠，手的这种性质称为手性（chirality ）。当一个碳原子与四个不同的基团相连时，可以产生两种不同的立体结构，这两种不同的立体结构互为镜影但不能重叠，即具有手性，因此与四个不同基团相连的碳原子称为手性碳原子（chral carbon atom ）。为了区别因手性碳而引起的两种不同的立体结构，称其中一种立体结构的手性碳为R 构型，
爆笑的笑话大学英语2复习题一、单项选择1.Michael has already spent _considerable_(相当大的；相当多的）__ amount of money and time in Barcelona. 2.__Organic_（有机的；有机体的）__ farming is better for the environment（环境）.3.There has been a
代替的英文翻译学习英语需要掌握大量的英语单词，学好单词是提高英语水平的基础。你知道代替的英文怎么翻译吗?下面是店铺为你整理的代替的英文翻译，希望大家喜欢!代替的英文翻译1.take the place3.instead oftake the place of的造句1. "Orchards would take the place of the jungle," he rha
