【正文】
Smoking is harmful to health Smoking is antilife bullets List some diseases in the world today. Why do people get ill? What should people do to stay healthy? List some diseases in the world today. Cold 感冒 Lung disease 肺病 Heart disease 心臟病 Liver disease 肝病 Appendicitis 闌尾炎 . 肺結(jié)核 Cancer 癌癥 SARS 非典 Bird Flu 禽流感 AIDS 愛滋病 Smoking Drinking