提出问题1 with the development of ， has become a serious problem / has become more and more /has become very 2．Pose a great threat to ~~ （对造成一大威胁） 例句：Pollution poses a great threat to our 3 do harm to （对有害） Overwork does harm to 工作过度对健康有害。 4、For the past + 时间，S + 现在完成式（过去年来，一直） 例句：For the past two years， I have been busy preparing for the 过去两年来，我一直忙着准备考试。 陈述观点：1、be closely related to ~~ （与息息相关） 例句：Taking exercise is closely related to 做运动与健康息息相关。 2、There is no doubt that + 句子~~ （毫无疑问的） 例句：There is no doubt that our educational system leaves something to be 毫无疑问的我们的教育制度令人不满意。 3、There is no denying that + S + V （不可否认的） 例句：There is no denying that the qualities of our living have gone from bad to 不可否认的，我们的生活品质已经每况愈下。 4 It is obvious that + 句子 （明显的） It is apparent that + 句子 （显然的） 5、It is universally acknowledged that + 句子~~ （全世界都知道）例句：It is universally acknowledged that trees are indispensable to 全世界都知道树木对我们是不可或缺的。 6、An advantage of ~~~ is that + 句子 （的优点是） 例句：An advantage of using the solar energy is that it won''t create (produce) any 使用太阳能的优点是它不会制造任何污染。 论述原因 1、The reason why + 句子 ~~~ is that + 句子 （的原因是） 例句：The reason why we have to grow trees is that they can provide us with fresh The reason why we have to grow trees is that they can supply fresh air for 我们必须种树的原因是它们能供应我们新鲜的空气。 2、That is the reason why ~~~ （那就是的原因） 例句：Summer is That is the reason why I don''t like 夏天很燠热。那就是我不喜欢它的原因。 3、Due to/Owing to/Thanks to + N/V-ing， ~~~ （因为） 例句：Thanks to his encouragement， I finally realized my 因为他的鼓励，我终于实现我的梦想。 强调重要性的，健康，环保，时间1、Nothing is + -- er than to + V Nothing is + more + 形容词 + than to + V 例句：Nothing is more important than to receive 没有比接受教育更重要的事。 2、Have a great influence on ~~~ （对有很大的影响） 例句：Smoking has a great influence on our 抽烟对我们的健康有很大的影响。 3、do good to （对有益），例句：Reading does good to our 读书对心灵有益。 九、So + 形容词 + be + 主词 + that + 句子 （如此以致于） 例句：So precious is time that we can''t afford to waste 时间是如此珍贵，我们经不起浪费它。 4、~~~ cannot emphasize the importance of ~~~ too （再怎么强调的重要性也不为过。） 例句：We cannot emphasize the importance of protecting our eyes too 我们再怎么强调保护眼睛的重要性也不为过。5、On no account can we + V ~~~ （我们绝对不能）结尾段提建议1、It is time + S + 过去式 （该是的时候了） 例句：It is time the authorities concerned took proper steps to solve the traffic 该是有关当局采取适当的措施来解决交通问题的时候了。例句：On no account can we ignore the value of 我们绝对不能忽略知识的价值。 2、The + ~er + S + V， ~~~ the + ~er + S + V ~~~ The + more + Adj + S + V， ~~~ the + more + Adj + S + V ~~~（愈愈） 例句：The harder you work， the more progress you 你愈努力，你愈进步。 The more books we read， the more learned we 我们书读愈多，我们愈有学问。 3、It pays to + V ~~~ （是值得的。） 例句：It pays to help 帮助别人是值得的
1．开门见山，揭示主题。 文章开头就交待清楚文章的主题是什么：如“How I Spent My Vacation”(我怎样度假)的开头是： I spent my last vacation 再如“Honesty”(谈诚实)一文中的开头： Honesty is one of the best virtues．An honest man is always trusted and respecte-d．On the contrary，one who tells lies is regarded as a “liar”，and is looked upon badly by honest people． 2．交代人物、事情、时间或环境的开头。 在文章的开头，先把人物、事件和环境交待清楚。例如“A Trip to Jin shan”(去金山旅游)的开头： The day before yesterday my class went on a bus trip to Jinshan．It took three hours to ride there．The long trip made us very tired，but the sight of the beautiful sea refreshed us． 3．回忆性的开头。 用回忆的方法来开头。例如“A Trip to the Taishan Mountain”(泰山游)的开头是： I remember my first trip to the Taishan Mountain as if it were yesterday． 4．概括性的开头。 即对在文章中叙述的人或事先作一个概括性的介绍。如“The Happiness of Reading Book-s”(读书的快乐)的开头： People often say that gold and silver are the most valuable things in the world．But l say that to read books is more than anything else，because books give us knowledge and knowledge gives us power． 5．介绍环境式的开头。 即开头利用自然景物或自然环境引出要介绍的事物。如:“An Accident”(一场事故)的开头是： It was a rainy and windy morning．The sky was gloomy， the temperature was low，and the street was nearly empty．I was on my way back to school．Suddenly，a speeding car came round the corner． 6．交待写作目的的开头。 在文章的一开头就交待写作目的，如通过文章要表扬谁，批评谁，或说明一个什么问题等。如“Pollution Control”(控制污染)的开头： In this article I shall draw your attention to the subject of pollution control．结尾篇 如果把开头比作“爆竹”，那么结尾就有如“撞钟”。古人说过：“好的结尾，有如咀嚼干果，品尝香茗，令人回味再三。” 文章结尾的作用是概括全文内容，进一步强调或肯定文章的中心思想，使文章意义表达得更加深刻。文章结尾的形式常见的有以下几种： 1．首尾呼应，画龙点睛。 在文章的结尾，把含义较深的话放在末尾，以点明主题，深化主题，起到画龙点睛的效果。如“I Cannot Forget Her” (我忘不了她)的结尾： After her death， I felt as if something were missing in my I was sad over her passing away， but I knew she would not have had any regrets at having given her life for the benefit of the 2．重复主题句。 结尾回到文章开头阐明的中心思想或主题句上，达到强调的效果。如“I Love My Home Town”(我爱家乡)的结尾： I love my home town， and I love its They too have They are going all out to do more for the good of our 自然结尾。 随着文章的结束，文章自然而然地结尾。如“Fishing”(钓鱼)的结尾： I caught as many as twenty fish in two hours， but my brother caught many Tired from fishing， we lay down on the river bank， bathing in the We returned home very 4．含蓄性的结尾。 用比喻或含蓄的手法不直接点明作者的看法，而是让读者自己去领会和思考。如“A Day of Harvesting”(收割的日子)的结尾： Evening came before we realized We put down our sickles and looked at each Our clothes were wet with sweat， but on every face there was a 5．用反问结尾。 虽然形式是问句，但意义却是肯定的，并具有特别的强调作用，引起读者深思。如 “Should We Learn to Do Housework?” (我们要不要学做家务?) 的结尾： Everyone should learn to do Don't you agree， boys and girls? 6．指明方向，激励读者。 结尾表示对将来的展望，或期待读者投入行动。如“Let's Go in for Sports”(让我们参加体育运动)的结尾： As we have said above， sports can be of great They not only make people live happily but also help people to learn virtues and do their work A s
