相关考题
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判断题
The natural order hypothesis is presumed by Krashen to be the result of the learned system, operating free of conscious grammar.（） -
判断题
For Krashen, the affective filter is the principal source of individual difference in second language acquisition.（） -
判断题
Krashen believes that adults are better language learners, while children are better language acquirers.（）
