口腔流行病学主要研究
A.牙病在人群中的分布规律B.口腔疾病在人群中的分布规律C.口腔疾病和健康规律D.口腔疾病预防规律E.口腔保健计划
参考答案:B
------ The authors of computer viruses are geniuses.
------ I agree. They can apply their wisdom to other net technology ________ human beings can benefit.
A.in which
B.through which
C.on which
D.from which
幼儿科学教育人体方面的目标包括哪些方面?