以下是英语
四六级短文写作中使用率最高、覆盖面最广的基本句式，每组句式的功能相同或相似，考生可根据自己的情况选择其中的1-2个，做到能够熟练正确地仿写或套用。
1.表示原因
1)there are three reasons for this.
2)the reasons for this are as follows.
3)the reason for this is obvious.
4)the reason for this is not far to seek.
5)the reason for this is that...
6)we have good reason to believe that...
例如：
there are three reasons for the changes that have taken place in our life.firstly，people’s living standard has been greatly improved.secondly，most people are well paid，and they can afford what they need or like.last but not least，more and more people prefer to enjoy modern life.
注：如考生写第一个句子没有把握，可将其改写成两个句子。如：great changes have taken place in our life. there are three reasons for this.这样写可以避免套用中的表达失误。新四六级备考专题：包含报考信息、四六级新题型介绍、四级满分牛人经验谈等
2.表示好处
1)it has the following advantages.
2)it does us a lot of good.
3)it benefits us quite a lot.
4)it is beneficial to us.
5)it is of great benefit to us.
例如：
books are like friends.they ca n help us know the world better，and they can open our minds and widen our horizons.therefore，reading extensively is of great benefit to us.
3.表示坏处
1)it has more disadvantages than advantages.
2)it does us much harm.
3)it is harmfulto us.
例如：
however，everything dividesinto two.television can also be harmful to us.it can do harm to our health and make us lazy if we spend too much time watching televi- sion.
4.表示重要、必要、困难、方便、可能
1)it is important(necessary，difficult，convenient， possible)for sb.to do sth.
2)we think it necessary to do sth.
3)it plays an important role in our life.
例如：
computers are now being used everywhere，whether in the government，in schools or in business.soon， computers will be found in every home，too.we have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the computer age.
5.表示措施
1)we should take some effective measures.
2)we should try our best to overcome(con quer)the difficulties.
3)we should do our utmost in doing sth.
下一篇：六级的短文写作命题趋势与特点
短文写作的目的在于考察考生用英语进行书面表达的能力，主要是测试考生综合运用英语语
言的能力，其内容涉及科技、社会和文化等方面。短文写作的形式主要为命题作文，看图作
文和情景作文；从文体上看，它分为议论文，说明文和议论和说明相结合。
下面重点谈短文的写作模式：
六级作文题的长度不能少于 150词，结构多为“三段式”，一般可以用10～14句子完成。
1)开头部分...[
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