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【单选题】
革兰阴性菌细胞壁的叙述,哪一项是错误的A.
肽聚糖含量少
B.
缺乏五肽桥
C.
致病力与所含脂多糖有关
D.
渗透压比阳性菌高
E.
其外膜由脂蛋白、脂质双层和脂多糖组成
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举一反三
【简答题】Chomsky uses the term ____to show a language user’s underlying knowledge about the system of rules.
【简答题】Chomsky uses the term _______ to refer to theactual realization of a language user’s knowledge of the rules of his languagein linguistic communication.A. langue B. competence C. parole D. performance
【单选题】Chomsky uses the term ____ to refer to the actual realization of a language user’s knowledge of the rules of his language in linguistic communication.
A.
langue
B.
competence
C.
performance
D.
parole
【单选题】Chomsky uses the term to refer to the actual realization of a language user's knowledge of the rules of his language in linguistic communication.
A.
langue
B.
competence
C.
parole
D.
performance
【简答题】一个函数在它的函数体内调用它自身称为_______调用。
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