2017年6月英语四级作文万能句型：表示证明观点

　　1.No one call 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 Call be seen that_________