题目内容

下列哪项因素会影响葡萄酒的苹果酸-乳酸发酵( )。

A. 温度
B. 酚类化合物
C. 二氧化碳
D. PH

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苹果酸乳酸发酵能够使尖涩的苹果酸转化为柔和、似奶油般的乳酸。

A. 对
B. 错

在含糖量很低的葡萄酒中,苹果酸是最容易被乳酸菌降解的物质。

A. 对
B. 错

Which university mentioned in the video gives “Independent Freshman Award” and T-shirts as prizes to freshmen who enroll on their own?

A. Tsinghua University
B. Xidian University
C. Yangzhou University
D. Peking University

Which of the following are not the reasons for excitement on the first day of entering the university?

A. start a new journey in life
B. face with an unfamiliar environment
C. receive the letter of admission/acceptance
D. feel homesick and lonely

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