Protons and neutrons are known as______
A. Electrons
B. Neutrinos
C. Nucleons
D. Quarks
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Write out the Gibbs phase rule, and specify the meaning ofthe symbols in it.
A field that involves the generation and application of knowledge relating to the composition, structure and processing of materials to their properties and use.
A. Engineering Materials Technology
B. Materials Engineering
C. Materials Science
D. Materials ScienceAnd Engineering
下列可见胸痛的情况应除外
A. 带状疱疹
B. 肺癌
C. 气胸
D. 心包炎
E. 哮喘
以下各项中不属于事业单位收入的是（）。
A. 拨入专款
B. 上级补助收入
C. 附属单位上缴收入
D. 销售税金
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