A. disease prevention B. health education C. healthy behavior D. unhealthy behavior E. other health services F. many vaccine

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问题 A. disease prevention
B. health education
C. healthy behavior
D. unhealthy behavior
E. other health services
F. many vaccines
Immunization contributes to ______.

选项

答案A

解析 该题可直接借助常识判断答案。疫苗可以预防疾病。
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