证明

　　1) No one can deny the fact that ...
 

　　2) The idea is hardly supported by facts.
 

　　3) Unfortunately, none of the available data shows ...
 

　　4) Recent studies indicate that ...
 

　　5) There is sufficient evidence to show that ...
 

　　6) According to statistics proved by ..., it can be seen that ...









英语六级考试