写作练习1..doc

段落的基本结构： 主题句 + 扩展句 + 结论句 主题句给出段落的主题思想。 扩展句则用来发展、证明或支持这一主题思想。扩展句必须切题，明确，层次分明。 结论句，位于全段的末尾，是对全段的内容进行总结、归纳或提出结论性观点的句子。结论句不仅仅是重复主题句提出的段落主题，更重要的是，它可以进一步强调段落的中心思想，以引起读者的重视和注意。 Computer is a wonder of this era. (主题句)Because of it, our work and life have changed dramatically. (主要扩展句1) At the moment it plays an extremely important role in our life. (主要扩展句2)Computers are able to do a great variety of jobs. (主要扩展句3)They are widely used in offices, laboratories, banks, airports, etc. (次要扩展句1) Businessmen use them to make more money; (次要扩展句2) policemen use them to find criminals; (次要扩展句3) scientists use them to make new discoveries. (次要扩展句4) Many modern families are equipped with it. (次要扩展句5) It has become so important in our life that we can’t imagine what life would be like without it. (结论句) ● 语篇连词： 1、列举三个事例或原因： 第一： First of all, To begin with, To start with, Most important of all, First and foremost, In the first place … 第二： In addition, Moreover, Furthermore, Besides, Then , Next, In the second place … 第三：Finally, Lastly , Eventually, At last, Last but not least … 2、列举两个事例或原因： On the one hand,…; on the other hand, …. For one thing,…. For another (thing),… …not only… but（also）… 3、表示举例： For example, For instance, Take …as an example, ….is a case in point, 4、表示总而言之： All in all, In a word, In conclusion, In brief, To sum up… Eg: In a word, we should take effective measures to solve this problem. 5、表示转折： But, Yet, However, Nevertheless , by contrast（相比之下；作为对比） in contrast(相反的；与此相反), On the contrary(相反；正好相反), Unfortunately… 6、比句子还好的连接副词（语篇连接词）： Undoubtedly，… = No doubt,… = There is no doubt that… Reportedly, … = It is reported that… Obviously,… = It’s obvious that… Admittedly,… = We have to admit that… = It must be admitted that… Recently,… = In recent years,… = Nowadays,… Similarly, … = …is/are similar to… ● 如何用词遣句： 1.The pollution is more and more serious. We should take action to deal with it. ( The pollut