What developments occur in the three types of vocabulary knowledge (passive, controlled active and free active vocabulary knowledge) over one year of study?
经过一年的学习，三种词汇知识（主动词汇、半主动词汇和被动词汇）的增长态势如何；
What developments occur in the three types of vocabulary knowledge (passive, controlled active and free active vocabulary knowledge) over one year of study?
经过一年的学习，三种词汇知识（主动词汇、半主动词汇和被动词汇）的增长态势如何；
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