[单选题] motivation occurs when the learner desires to learn a second language in order
to communicate with native speakers of the target language.（）

1、[判断题]The syntactic category of the specifier differs depending on the category of the head. If the heads are Ns, the specifiers are determiners. If the heads are Vs, the specifiers are qualifiers and if the head are As or Ps, then the specifiers are degree words.

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2、[判断题]We can add –un to adjectives to form new adjective words. This un-Rule is not as productive for adjectives composed of just one morpheme as for those that are themselves derived for verbs, such as unacceptable and undecided.

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3、[判断题]It has been found that the absence of the suffix of third-person present-tense singular form of verbs and the non-standard use of double negation like I can’t eat nothing are not correlated with the social status of the speaker.

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4、[名词解释]cultural transmission

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5、[名词解释].Interlanguage

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