提出“五育并举”教育主张的近代中国教育家是蔡元培。( )

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问题判断题

答案

参考答案：对

单项选择题

Passage Three

Cheap protein substitutes from milk, eggs and meat ______.

A．may be obtained from vitamin and minerals

B．are being sought by scientists

C．can be gotten from soybeans

D．can be found in iodized salt

问答题简答题

简述研究质量成本的概念、原因和目的。