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【单选题】
营养学上,从食物蛋白质的含量、( )和被人体利用程度三个方面来全面地评价食品蛋白质的营养价值。A.
被消化吸收的程度
B.
蛋白质种类
C.
氨基酸分类
D.
蛋白质的生物价值
E.
氨基酸评分
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皮皮学刷刷变学霸
举一反三
【单选题】In the last paragraph, the author tries to justify his conclusion by
A.
reducing to absurdity.
B.
making an comparison.
C.
giving an example.
D.
explaining a phenomenon.
【单选题】In the passage, the author tries to tell us purely entertainment programs similar to the classic 'Bewitched'______.
A.
are as good as those in the U.S.
B.
have been seen on many government-controlled networks
C.
are as gray and dismal as the uninformed might unnecessarily visualize
D.
are not as gloomy as the uninformed might unnecessarily visualize
【单选题】What conclusion can we draw from the passage?
A.
The author tries to tell the readers how important the language is.
B.
The author intends to explain the significance of culture in global communication.
C.
The author thinks his mistake is only an awkwardness in his everyday life.
D.
The author wants to illustrate what the sentence 'Don't use thanks' means.
【简答题】黄酮类化合物常用提取方法有（）法，（）法。用溶剂提取法提取黄酮类化合物，若原料为叶或种子时，可用石油醚处理除去（），（），（）等脂溶性杂质。也可在浓缩的提取液中加多倍量的浓醇，除去（），（）等水溶性杂质。
【简答题】By asking these fundamental questions, the author tries to persuade us to change our view on ________.
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