四六级作文中间主体内容句型
<一> 原因结果分析
3-1-1. 基本原因——分析某事物时，用此句型说明其基本的或者多方面的原因。
e.g:
[1]. Why...? For one thing... For another...
[2]. The answer to this problem invovles many factors. For one thing...For another...Still another...
[3]. A number of factors , both physical and psychological affect.../both individual and social contribute to...
3-1-2. 另一原因——在分析了基本原因之后，再补充一个次要的或者更重要时用!
e.g:
[1]. Another important factor is...
[2]. ...is also responsible for the change/problem.
[3]. Certainly , the...is not the sole reason for...
3-1-3 后果影响——分析某事物可能造成的后果或者带来的影响。
e.g:
[1]. It will produce a profound/far-reaching effect/impact on...
[2]. In involves some serious consequence for...
<二> 比较对照句型
3-2-1. 两者比较——比较两事物，要说出其一超过另一个， 或肯定一事物的优点，也肯定其缺点的时候用！
e.g:
[1]. The advantages gained from A are much greater than the advantages we gain from B.
[2]. Indeed, A carries much weight when compared with B.
[3]. There is no doubt that it has its negative effects as well as positive effects.
3-2-2 . 两者相同/相似——比较两事物共同都有或者共同都没有的特点时用!
e.g:
[1]. A and B have several thing in common.
They are similar in that...
[2]. A bears some sriking resemblance(s) to B.