二、用于描写图表和数据

　　1. It has increased by three times as compared with that of 1998.

　　2. There is an increase of 20% in total this year。

　　3. It has been increased by a factor of 4since 1995.

　　4. It would be expected to increase 5 times。

　　5. The table shows a three times increase over that of last year。

　　6. It was decreased twice than that of the year 1996.

　　7. The total number was lowered by 10%。

　　8. It rose from 10-15 percent of the total this year。

　　9. Compared with 1997, it fell from 15 to 10 percent。

　　10. The number is 5 times as much as that of 1995.

　　11. It has decreased almost two and half times, compared with…

　　三、用于解释性和阐述性论说文

　　1.Everybody knows that…

　　2.It can be easily proved that…

　　3. It is true that…

　　4. No one can deny that

　　5. One thing which is equally important to the above mentioned is…

　　6. The chief reason is that…

　　7. We must recognize that…

　　8. There is on doubt that…

　　9. I am of the opinion that…

　　10. This can be expressed as follows;

　　11. To take …for an example…

　　12. We have reason to believe that

　　13. Now that we know that…

　　14. Among the most convincing reasons given, one should be mentioned…

　　15. The change in …largely results from the fact that

　　16. There are several causes for this significant growth in…,first …,second …,finally…

　　17. A number of factors could account for the development in…

　　18. Perhaps the primary reason is…

　　19. It is chiefly responsible of…

　　20. The reasons for…are complicated, And probably they are found in the fact…

　　21. Here are several possible reasons, excerpt that…

　　22. Somebody believes/argues/holds/insists/thinks that…

　　23. It is not simple to give the reason for this complicated phenomenon…

　　24. Different people observes it in different ways。

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