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Human sex has rich connotations. It is not only the source of human life, but also an indispensable part of life. Functions of human sex include

Human sex has rich connotations. It is not only the source of human life, but also an indispensable part of life. Functions of human sex include
A.happy
B.culture
C.fertility
D.health
正确答案：happy；fertility；health

标签：性与生殖

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