| 1. | Scientists say they are beginning to break through in the fight against cancer . |
| 科学家们说,他们在防治癌症方面开始有所突破。
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| 2. | Cancer had affected his lungs. |
| 癌已侵及他的肺脏。
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| 3. | Smoking is responsible for many cases of lung cancer . |
| 吸烟是许多人患肺癌的致病因素。
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| 4. | The cancer cells may invade other parts of the body. |
| 癌细胞可能侵袭身体的其他部分。
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| 5. | Cancer kills thousands of people every year. |
| 每年有数以千计的人死于癌症。
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| 6. | Smoking can cause lung cancer . |
| 吸烟可致肺癌。
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| 7. | Doctors found a cancer on her breast. |
| 医生发现她患乳癌。
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| 8. | The cancer has spread to his stomach. |
| 癌肿已扩散到他的胃部。
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| 9. | Violence is a cancer in our society. |
| 暴力行为是我们社会的祸害。
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| 10. | Smoking is one of the chief causes of lung cancer . |
| 吸烟是导致肺癌的主要成因之一。
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