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B

解析 题意:调查用X射线检查的结果。短文第三段第一句话提到“巴伦西亚理工大学的研究人员分析了11个社区门诊用X射线检查16万以上女性的结果”,由此可以看出,这一段主要讲的是“分析研究X射线检查的结果”,故选B。
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