在大学英语考试中，作文部分是一项重要的考核内容，考察学生的语言表达能力、逻辑思维和论据分析。为了在六级作文中取得好成绩，掌握一套万能作文模板是很有帮助的。以下是一些常用句型，按照比较、原因、后果和批驳四个类别进行整理，以供参考。
一）比较：
在比较两个事物或观点时，可以采用以下句型来展示其优缺点：
1. 优点远胜过缺点：The advantage far outweigh the disadvantages.
2. A的优点远超B：The advantages of A are much greater than those of B.
3. A相对于B有优势，但也有不足：A may be preferable to B, but A suffers from the disadvantages that...
4. 提倡A，但否认B是不明智的：It is reasonable to maintain that ...but it would be foolish to claim that...
5. 虽有缺点，但有补偿性的优点：For all the disadvantages, it has its compensating advantages.
6. A和B都有其不足之处：Like anything else, it has its faults.
7. A和B有几点相似：A and B has several points in common.
8. A与B相似：A bears some resemblances to B.
9. 但B不适用：However, the same is not applicable to B.
10. A和B在几个方面有所不同：A and B differ in several ways.
11. 显然，它既有负面影响也有积极影响：Evidently, it has both negative and positive effects.
12. 人们过去认为...，但现在情况不同了：People used to think ..., but things are different now.
13. B也是如此：The same is true of B.
14. 尽管A如此，但它也有缺点：Wondering as A is ,it has its drawbacks.
15. A的确...，但主要的缺点（明显缺陷）是...：It is true that A ... , but the chief faults (obvious defects )are ...
二）原因：
分析问题的原因，可以使用这些句型：
1. 许多因素对这种情况负责：A number of factors are accountable for this situation.
2. 这个问题的答案涉及多个因素：The answer to this problem involves many factors.
3. 这种现象主要源于...：The phenomenon mainly stems from the fact that...
4. 影响这种情况的因素包括...：The factors that contribute to this situation include...
5. ...的变化很大程度上源于...：The change in ...largely results from the fact that...
6. 我们可以责怪...，但真正的原因是...：We may blame ...,but the real causes are...
7. 部分解释是...：Part of the explanations for it is that ...
8. 最常见的因素之一是...：One of the most common factors (causes ) is that ...
9. 另一个促成因素是...：Another contributing factor (cause ) is ...
10. 也许主要原因是...：Perhaps the primary factor is that...
11. 但根本原因是...：But the fundamental cause is that ...
三）后果：
讨论结果或影响，可以使用以下句型：
1. 它可能会引发一系列问题：It may give rise to a host of problems.
2. 它产生的直接结果是...：The immediate result it produces is ...
3. 它将对...产生深远影响：It will exercise a profound influence upon...
4. 其后果可能如此之大以至于...：Its consequence can be so great that...
四）批驳：
反驳他人的观点时，可以利用这些句型：
1. 虽然...，但有一个关键点被忽略了：It is true that ..., but one vital point is being left out.
2. 这些陈述中有一点真理，但他们忽视了一个更重要的事实：There is a grain of truth in these statements, but they ignore a more important fact.
3. 有人说...，但这并不成立：Some people say ..., but it does not hold water.
4. 我们许多人误解了...：Many of us have been under the illusion that...
5. 仔细检查就会发现这个陈述多么荒谬：A close examination would reveal how ridiculous the statement is.
6. 它看似合理，但实际上并非如此：On the surface, it seems logical, but in reality, it is not.
以上就是大学英语考试中常用的比较、原因、后果和批驳的句型，熟练掌握并灵活运用这些句型，可以有效地提升作文的逻辑性和说服力，为高分作文打下坚实基础。在实际写作中，要根据题目要求和自己的观点，合理组织这些句型，使文章既具有结构性又富有个性。
