Morphology refers to the study of the internal structure of words, and the rules by which words are formed.()
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Only words of the same parts of speech can be combined to form. compounds.()
The part of speech of the compound is always determined by the part of speech of the
有活跃吞噬功能的神经胶质细胞是
A. 少突胶质细胞
B. 小胶质细胞
C. 星形胶质细胞
D. 施万细胞
E. 室管膜细胞
等离子弧的获得是机械压缩效应、热收缩效应和()三种效应共同作用的结果
A. 旋转气流压缩效应
B. 高压空气压缩效应
C. 冷却水压缩效应
D. 磁收缩效应