2013年大学英语六级作文万能句型(2)
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大学英语六级考试在即，以下是为同学们整理的2013年大学英语六级作文万能句型，供各位考生参考。
二)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 ...
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