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【单选题】
巨幼红细胞贫血是由于缺乏A.
维生素C
B.
Fe2+
C.
Ca2+
D.
蛋白质
E.
Vb12和叶酸
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反馈参考答案：
举一反三
【单选题】What is the general tone of this passage?
A.
Dogmatic.
B.
Persuasive.
C.
Impersonal.
D.
Ironic.
【单选题】What is the purpose of a persuasive speech?
A.
To teach the audience new information about an unfamiliar topic.
B.
To convince the audience to take a side, think in a certain way, or believe in a particular viewpoint.
C.
To demonstrate to the audience how to do something new or to do an old thing in a new way.
D.
To establish the credentials and authority of the speaker.
【单选题】From the first paragraph, what is a key point in persuasive communication?
A.
Stimulation.
B.
Fun.
C.
Uplifting.
D.
Likability.
【单选题】CAJviewer(俗称:CAJ阅读器)是( )数据库的全文阅读软件。
A.
超星数字图书馆
B.
中国期刊全文数据库（CNKI）
C.
中国学位论文库
D.
中国科技期刊库（维普）
【简答题】蛋白质的生理价值主要取决于必需氨基酸的种类、数量及比例。
【单选题】What is the author's attitude in this passage?
A.
Persuasive.
B.
Explanatory.
C.
Narrative.
D.
Humorous.
【单选题】What is the author's attitude in this passage?
A.
Explanatory.
B.
Persuasive.
C.
Humorous.
D.
Narrative.
相关题目：
【单选题】What is the general tone of this passage?
A.
Dogmatic.
B.
Persuasive.
C.
Impersonal.
D.
Ironic.
参考解析：
知识点：
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