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岩心收获率(名词解释)

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A/An __________language test， such as IELTS or TOEFL， is developed on the basis of a fixed standard.

A. norm-referenced
B. peer-referenced
C. individual-referenced
D. criterion-referenced

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In writing， students may not know how to put something into proper English and thus ask their teacher for help. Here the teacher is to play the role of a/an__________.

A. facilitator
B. assessor
C. controller
D. participant

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The correct meaning of a lexical item in a given context is__________.

A. the one provided in a dictionary
B. the one which best fits the context
C. the central or core meaning of the item
D. the one which is assumed to be correct

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气胸最严重的临床类型是高压性气胸。()

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