Which of the following is the term CFCs an abbreviation for?
Chlorofluorocarbons
举一反三
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Which one of the following is the payment term?
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Definition of an abbreviation: ______ of a word or term
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中国大学MOOC: Which of the following term is correct?
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中国大学MOOC: Which of the following is a typical TCM term?
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Which of the following is a general term referring to all alcoholic drinks? ______