大学英语专业词汇学方面的问题,专业的们~

大学英语专业词汇学方面的问题,专业的们~
English words fall into a number of different grammatical categories—what were traditionally called “the parts of speech,” but which are now usually called _________
A.grammatical words B.content words
C.lexical words D.word classes
________ is the arbitrary limitation on choice in a certain grammatical construction.
A.idiom B.selection restriction C.collocation D.mutual expectancy
11.Abstract characteristics of words,such as [Human],[Male],[Adult] for man,is called ______.
A.semantic fields B semantic analysis
C.semantic features D.semantic categories
真的感激不尽啊!专业的亲们不要潜水了~