While explaining a concept, we should usual _______information.
A. vague and important
B. vague and factual
C. accurate and factual
D. accurate and important
查看答案
A concept is usually introduced in the following order:
A. a lead-in sentence, the definition, the characteristics of the concept, the background
B. the definition, a lead-in sentence, the characteristics of the concept, the background
C. a lead-in sentence, the characteristics of the concept, the definition, the background
D. a lead-in sentence, the characteristics of the concept, the background, the definition,
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