简答题Content words denote clear notions and thus are known as ______ words. They include nouns, verbs, adjectives, adverbs and numerals. A. functional B. notional C. empty D. formal简答题The prefixes in the words of irresistible, nonclassical and apolitical are called ______. A. reversative prefixes B. negative prefixes C. pejorative prefixes D. locative prefixes简答题For the word “political”, its negative form is “（ ）”. A、apolitical B、ilpolitical C、inpolitical D、impolitical简答题A word is （ ）of a language that has a given sound and meaning and syntactic function. A、a smallest form B、a minimal free form C、a constituent form D、a part简答题Morphology is the branch of grammar which studies the structure or forms of words, primarily through the use of （ ）construct. A、sound B、form C、morpheme D、root