论元认知策略对词汇学习和词汇能力发展的有效性

从元认知策略的内涵入手，阐述了元认知策略的使用对词汇学习和词汇能力发展可以产生积极的作用，它不仅是词汇学习的一个要求，还是词汇能力发展的一个因素。同时，通过探讨词汇学习和词汇能力发展，提出学习者在词汇学习和词汇能力发展的过程中应该有使用元认知策略的取向，并认为元认知策略可以有效地引导学习者获得词汇学习的高效率，进而实现词汇能力的发展。

Explanation of the lexical learning and the development of lexical competenceon the metacognitive strategy

Starting with the content of the metacognitive strategy, the paper explains the metacogni- rive strategy is not only a requirement of the lexical learning, but also a factor of the development of the lexical competence because of its＇ effect on the lexical learning. Through the discussion of the lexi- cal learning and the development of the lexical competence, the paper suggests the learners should have the orientation the metacognitive strategy in the process of the lexical learning and the develop- ment of the lexical competence, explains the learners＇learning efficiency can be improved to realize the development of the lexical competence in the case of the use of the metacognitive strategy.