A. be costly B. harmful C. save a life D. still open to debate E. reduce the risk of radiation triggering a cancer F. reduc

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问题 A. be costly
B. harmful
C. save a life
D. still open to debate
E. reduce the risk of radiation triggering a cancer
F. reduced to the minimum  
Early discovery of breast cancer may ______.

选项

答案C

解析 选项C讲到:早期检查出乳腺癌可以拯救生命。而第一段第二句讲If this happens early enough,the disease can often be treated successfully.因此选择C。
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