绍兴鸭属于()品种

Which one of the following statements is TRUE according to Para. 1 ?A．The amount of Vitamin D intake for the author's first child is a half of that for her third child.B．The author's new born baby was taking Vitamin D pills.C．Sunshine can help produce Vitamin D.D．The author's second child did not have any Vitamin D supplement when born. 点击查看答案

现代高等学校承担着()双重任务。

A.教学和教育
B.教学和科研
C.升学和就业
D.生活和生产

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