A. Risk of Screening to Younger Women B. Investigating the Effect of Screening C. Effects Predicted by Two Different Mod

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问题 A. Risk of Screening to Younger Women   
B. Investigating the Effect of Screening   
C. Effects Predicted by Two Different Models   
D. Treatment of Cancers     
E. Minimizing of Radiation Exposure   
F. Factors That Trigger Cancers  
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选项

答案F

解析 题意:辐射应该减小到最小短文最后一段提到“那就是为什么在所有的透视计划中辐射应该减少到最小的原因”,由此可知辐射应该减少到最小,故选F。
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