Smoking causes mouth cancer

Smoking causes mouth cancer 发现两条外烟上写的标语不一样,一条是Smoking causes a cancer.另一条是Smoking causes smoking ______(cause) cancer. smoking can cause cancer就cancer提问 smoking can reason lung cancer Smoking a lot may c____ cancer. 1.Smoking can lead to lung cancer. Does smoking lead to lung cancer? 英语翻译Causes of cancer in the world:comparative risk assessmen 英语翻译smoking causes heart diseasepeter jacksom original flavo The cancer risks _____________ smoking have been well decume Cigarette smoking is a major factor contributing to cancer.