_______ are the major source of regional variation of language.
A. Geographical barriers
B. Loyalty to and confidence in one’s native speech
C. Physical discomfort and psychological resistance to change
D. Social barriers
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Two speakers of the same language or dialect use their language or dialect in the same way.
A. 对
B. 错
Language use varies from one speech community to another, from one regional group to another, from one social group to another, and even from one individual to another.
A. 对
B. 错
关于端脑的叙述,错误的是
A. 端脑由前脑泡演化而来
B. 大脑半球深部为白质
C. 埋在髓质内的灰质核团称为基底核
D. 大脑半球表面的沟回有明显的个体差异
E. 端脑是由左、右大脑半球和半球间连合构成
与头面部运动有关的脑回位于第I躯体运动的
A. 中央前回上部
B. 中央前回中部
C. 中央前回下部
D. 中央旁小叶前部
E. 中央旁小叶后部