题目内容

[音频]

A. They were very scared.
B. They all tried to stay calm.
C. They prayed for their safety.
D. They comforted each other.

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A. She went to see her mother immediately.
B. She rang up her mother saying everything was OK.
C. She sent her mother a short message of her safe arrival.
D. She decided that she would never travel by air.

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影响油脂色泽的因素包括（）。

A. 类胡萝卜素
B. 叶绿素
C. 脱镁叶绿素
D. 氧化型色素

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罗维朋比色槽规格有（）。

A. 25.4mm
B. 133.4mm
C. 124.4mm
D. 23.4mm

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罗维朋比色计测定油脂色泽时，油色深，采用薄槽，油色浅，采用厚槽。

A. 对
B. 错

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[音频]

A. They were very scared. B. They all tried to stay calm. C. They prayed for their safety. D. They comforted each other.

[音频]

影响油脂色泽的因素包括（）。

罗维朋比色槽规格有（）。

罗维朋比色计测定油脂色泽时，油色深，采用薄槽，油色浅，采用厚槽。

A. They were very scared.
B. They all tried to stay calm.
C. They prayed for their safety.
D. They comforted each other.