在平時的學習、工作或生活中，大家對作文都再熟悉不過了吧，作文根據寫作時限的`不同可以分為限時作文和非限時作文。一篇什么樣的作文才能稱之為優秀作文呢？以下是小編為大家收集的大學英語六級作文常用句型(大學英語作文常用短語)，僅供參考，歡迎大家閱讀。
一、原因
1.A number of factors are accountable for this situation.
A number of factors might contribute to (lead to )(account for ) the phenomenon(problem).
2. The answer to this problem involves many factors.
3. The phenomenon mainly stems from the fact that...
4. The factors that contribute to this situation include...
5. The change in ...largely results from the fact that...
6. We may blame ...,but the real causes are...
7. Part of the explanations for it is that ...
One of the most common factors (causes ) is that ...
Another contributing factor (cause ) is ...
Perhaps the primary factor is that …
But the fundamental cause is that
二、比較
1.The advantage far outweigh the disadvantages.
2.The advantages of A are much greater than those of B.
3.A may be preferable to B, but A suffers from the disadvantages that...
4.It is reasonable to maintain that ...but it would be foolish to claim that...
5.For all the disadvantages, it has its compensating advantages.
6.Like anything else, it has its faults.
7.A and B has several points in common.
8.A bears some resemblances to B.
9.However, the same is not applicable to B.
10. A and B differ in several ways.
11. Evidently, it has both negative and positive effects.
12. People used to think ..., but things are different now.
13. The same is true of B.
14. Wondering as A is ,it has its drawbacks.
15. It is true that A ... , but the chief faults (obvious defects )are ...
三、批駁
1)It is true that ..., but one vital point is being left out.
2) There is a grain of truth in these statements, but they ignore a more important fact.
3) Some people say ..., but it does not hold water.
4) Many of us have been under the illusion that...
5) A close examination would reveal how ridiculous the statement is.
6) It makes no sense to argue for ...
7) Too much stress placed on ... may lead to ...
8) Such a statement mainly rests on the assumption that ...
9) Contrary to what is widely accepted, I maintain that ...
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