题目内容

大多数蛋白质的含氮量平均约为()

A. 14%
B. 15%
C. 16%
D. 17%

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具有简单、直观,便于了解项目投资概貌等优点的投资偏差分析法是( )。

A. 横道图法
B. 时标网络图法
C. 表格法
D. 曲线法

1μgRE相当于β-胡萝卜素()

A. 1μg
B. 4μg
C. 6μg
D. 12μg

下列为不可溶性膳食纤维的是()

A. 果胶
B. 树胶
C. 纤维素
D. 粘胶

According to the passage, we have no recordings of Bolden because______.

A. he was in a mental hospital for so long
B. he was not in the Original Dixieland Jazz Band
C. very few were made and none have been discovered
D. he stopped playing before the first jazz record was made

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