[单选题]美国预防医学专家建议50-74岁女性,每( )接受1次乳腺X线检查

A、半年
B、1年
C、2年
D、3年
E、5年

参考答案： B

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● 美国预防医学专家建议50-74岁女性,每( )接受1次乳腺X线检查
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