1.表文章结构顺序：First of all,Firstly/First,Secondly/Second… And then,Finally,In the end,At last 2.表并列补充关系：What is more,Besides,Moreover,Furthermore,In addition As well as,not only…but (also), including, 3.表转折对比关系：However,On the contrary,but,Although+clause（从句）， In spite of+n/doing,On the one hand…，On the other hand… Some…，while others…，as for, so…that… 4.表 因 果 关 系：Because,As,So,Thus,Therefore,As a result 5.表换一种方式表达：In other words,that is to say, 6.表进行举例说明：For example;For instance;such as+n/doing 7.表 陈 述 事 实：In fact,frankly speaking, 8.表达自己观点：As far as I know/concerned,In my opinion,personally, as to me 9.表总结：In short,In a word,In conclusion,In summary,all in all, briefly/ in brief ; generally speaking, as you know, as is known to all 良好的开端等于成功的一半.在写作文时，通常以最简单也最常用的方式---开门见山法.也就是说， 直截了当地提出你对这个问题的看法或要求，点出文章的中心思想. A. Just as every coin has two sides, cars have both advantages and disadvantages.（用于说明某物的正反两面） B. Compared to/ In comparison with letters, e-mails are more convenient.（用于比较/对比 两事物） C.Opinions are divided on the advantages and disadvantages of living in the city and in the countryside. （人们关于生活在城市还是农村的优缺点的看法不同）（用于表达看法） D. As we all know, computers have played an important role/part in our daily life.（用于说明某物的重要性） E. Why do you go to university? Different people have different points of view.（反问语气，更有吸引力，增强说服力）（用法广泛） 文中正确使用两三个好的句型，如：定语从句、状语从句、动名词做主语等. 宾语从句举例：I believe Tianjin will be more beautiful and prosperous. 状语从句举例：If everyone does something for the environment,our hometown will become clean and beautiful. 动名词做主语举例：Reading books in the sun is bad for our eyes. =It's bad for our eyes to read books in the sun.