以下不是产能营养素（）.A.糖 B.脂肪 C.维生素 D.蛋白质_爱下问搜题

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问题单项选择题

以下不是产能营养素（）.

A.糖

B.脂肪

C.维生素

D.蛋白质

答案

参考答案：C

改错题

( )1. I showed each students three things.
                      A      B     C                   D
( )2. Cina enjoys puttingon sunglasses.
           A      B         C           D
( )3. It vained hard yesterday,and I have to stay at home.
            A            B                            C       D
( )4. He has to do his homeworks after school.
                   A    B    C       D
( )5. Practice speaking English everyday.
                   A        B        C         D

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判断题

高炉各部位冷却器的进、出水温差要求越高越好。（）