For Krashen, the affective filter is the principal source of individual difference in second language acquisition.()
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反射式测光表用来测定被摄体表面一定区域亮度。
A. 对
B. 错
“三贴近”的要求为媒体找准新闻源头指示了方向,提供了丰富的源泉。
A. 对
B. 错
Krashen believes that adults are better language learners, while children are better language acquirers.()
A. 对
B. 错