校友会属于
A. 正式群体
B. 非正式群体
C. 正式组织
D. 非正式组织
Grammatical changes may be explained, in part, as analogic changes, which are ___ or generalization.
A. elaboration
B. simplification
C. external borrowing
D. internal borrowing
The words such as “smog”， and “motel” are __________.
A. compound words
B. abbreviated words
C. formed by blending
D. coined by backformation
Morphologcial changes can involve __________.
A. the loss of morphological rules
B. the addition of morphological rules
C. the alteration of morphological rules
D. all of the above
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