| 1. | Smoking has a great deal to do with lung cancer ... 吸烟和肺癌有很大关系。 |
| 2. | Lung cancer deprived him of his life . 肺癌夺去了他的生命。 |
| 3. | Does smoking contribute to lung cancer ? 吸烟会导致肺癌吗? |
| 4. | Lung cancer kills 40, 000 people each year in britain . 每年英国有4万人死于肺癌。 |
| 5. | Lung cancer became common in england and welsh . 肺癌在英格兰和威尔士已经很普遍了。 |
| 6. | Smoking is responsible for many cases of lung cancer . 吸烟是许多人患肺癌的致病因素。 |
| 7. | Smoking can cause lung cancer . 吸烟可致肺癌。 |
| 8. | Lung cancer is almost always a self-inflicted disease . 肺癌通常是一种使患者受折磨的病症。 |
| 9. | Lowest lung cancer rates were found in lifetime rural nonsmokers . 肺癌率最低的是终生居住在乡村的不吸烟者。 |
| 10. | The residence gradient for lung cancer was strongest among nonsmokers . 肺癌的居住区梯度在不吸烟者当中最大。 |