题目内容
The two basic guidelines on the choice of vocabulary are: _______, students ’ need and leve
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The structural view holds that language is a ______ of structurally related elements
There are three main forms of word building or word formation which are characteristic of English: ______, compounding and conversion.
社会保险是国家依法建立的面向()的一项社会保障制度。
The structure of the sound system involves not only the vowels and consonants --- the segmental features, but also stress and intonation --- the supra-segmental features.()
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