This paper first reviews the empirical studies on second language incidental vocabulary acquisition both at home and abroad, focusing on the research content and result.

This paper analyses the background of researches into second language(SL)vocabulary learning strategies,concludes the findings of the researches at home and abroad,and points out that the research trend in this field is to train the SL learners with vocabulary learning strategies.

Austin s Speech Act Theory falls into three types:locutionary acts,illocutionary acts and perlocutionary acts,and it provides a base for second language speech acts.

Effects of Contextual Clues on Word Meaning Guessing in L2 Reading;

Effects of Note Taking in L1 or L2 on L1 Oral Interpretation;

The following changes are identified: The focus of research was shifted from L1 communication to L2 communication;WTC was not only taken as a personality-based,trait-like predisposition,but also as a situation-based variable;Besides,WTC model was reinterpreted and reconstructed from a cross-cultural perspective.

On the application of krashen s second language acquisition theory in English listening teaching;

Research into language output of second language acquisition under the frame of constructivism theory;

On Cognitive Orientation of Second Language Acquisition;

On the memory tactics of the second language learning;

Individual learner differences in the second language learning processes: categories and connotations;

What is the role of the universal grammar in the second language acquisition Are the first language acquisition and the second language acquisition identical with respect to the operation of the universal grammar These questions are the chief concerns in this paper.

Multiple factors study on the efficiency of second language acquirement (foreign language) in younger children.;

Review on Testing Second Language Speaking;

The influences of the mother tongues on second language learning;