With the advance in technology,it is now feasible to construct virtual target language contexts in an L2 environment,thereby offering a new means of vocabulary presentation for language practitioners and effective cognitive footholds for L2 learners.

On the basis of analyzing cognitive characteristics of hearing impairment children,this paper discusses the strategies of multimedia courseware development in four aspects: selection and design of teaching content,design of courseware interface,design of audio effect,and design of interactivity.

Through analyzing the cognitive characteristics and learning characteristics of adult learners,the paper points out main problems in network-based course design and application,and make suggestions on network-based course design for adult learners.

Study on Cognitive Characteristics of Medical Ethics Education from the Perspective of Medical Teachers & Students;

Senior Middle School Student Cognitive Characteristics of Plane Vector and Pedagogical Implications;

This study was designed to investigate the very young children s cognitive characteristics of video information by experiments.

The following is the problem that we will discuss the study of early diagnosis; the val-ue of early diagnosis; the technology of early diagnosis; the condition of early diagnosis; the form of early diagnosis; the thinking mistake of early diagnosis and the cognize node of early diagnosis.