【这是个什么从句Thereisnodenyingthefactthatairpollutionisanextremelyseriousproblem:thecityauthoritiesshouldtakestrongmeasurestodealwithit.哪段amp;#2023;那段】

问题：【这是个什么从句Thereisnodenyingthefactthatairpollutionisanextremelyseriousproblem:thecityauthoritiesshouldtakestrongmeasurestodealwithit.哪段amp;#2023;那段】

答案：↓↓↓

卢胜利的回答：

网友采纳　　that引导的同位语从句.thefact指的是airpollutionisanextremelyseriousproblem.Thereisnodenyingthefact,毫无疑问的意思,应该是个一般表达的方法.