六级作文常用句型：用于解释性和阐述性论说文

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　　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 forare 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.