英语六级作文常用句型 河北科技大学 英语六级作文常用句型一、 分析原因常用句型1. The reasons can be listed as follows. For one thingFor another2. What has contributed to this problem? In the first placeIn the second place3. Perhaps the main/primary/most important reason is4. It is no easy to identify the reason for which involve several complicated factors.5. A number of factors could account for/lead to/contribute to/result in/be conductive to6. One may trace/attribute this problem to7. This problem may result