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【单选题】

消化食物和吸收养分最主要的消化器官是()。

A.
大肠
B.
C.
小肠
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】细胞内的消化器官是()

A.
线粒体
B.
高尔基体
C.
内质网
D.
溶酶体

【单选题】能够增加肾小管对磷的重吸收的是()

A.
雌激素
B.
维生素D
C.
甲状旁腺素
D.
甲状腺素
E.
高血钙

【单选题】It’’s no secret that many children would be healthier and happier with adoptive parents than with the parents that nature dealt them. That’’s especially true of children who remain in abusive homes be...

A.
children are more than just personal possessions of their parents
B.
the biological link between parent and child should be emphasized
C.
foster homes bring children more pain and suffering than care
D.
biological parents shouldn’’t claim custody rights after their child is adopted