2017年12月英语四级作文万能句型：表示证明观点

2017年12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_________