The main cause of mouth cancer, tongue cancer and throat cancer is__________.

Câu hỏi :

The main cause of mouth cancer, tongue cancer and throat cancer is__________.

A. drinking

B. overeating

C. breathing

D. smoking

* Đáp án

D

* Hướng dẫn giải

Dẫn chứng: Smoking is also the leading cause of mouth cancer, tongue cancer, and throat cancer. 

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