Smokecigaretteharmfulhealth吸吸烟烟有有害害健健康康1 Columbus discovers New Continent and also discovered local Indians smoking at the same time in 1492,invite in the end of 16th century,the tobacco streams into an our country and about change to use tobacco in Ming Dynasty last years of the period 1492 1492年哥伦布发现新大陆，同时也发现年哥伦布发现新大陆，同时也发现了当地印第安人吸烟，约在了当地印第安人吸烟，约在1616世纪末，烟世纪末，烟草传入我国，大约是在明朝末年改用烟草草传入我国，大约是在明朝末年改用烟草2Have no smoke for dayMay31isaworldtohavenosmokeforday,Chinahas320,000,000currentlysmokepeople,thep
