Research on the Creating of Proper Educational Situations to Foster Children s Autonomous Learning in the Language Activity;

Because in his eyes, thinking results can be shown clearly in every language activity.

So the analysis of the speech event is another way for studying more illo.

Listening and speaking abilities are the basis for all speech activities, so the cultivation of listening and speaking ability should be put in the first place in foreign language teaching.

The process of writer s creation is in fact the process of speech activities, which aims at the creation of context.

From the analysis of some examples, we can see that context acts as a model for speech activities.

The article, based on this , raises the view that language environment is the only basis to test and evaluate the advantage and disadvantage of speech activity, contains; language environment can help us convey as much speech information as possible by using as less language material as possible.

Writing, as one form of speech activity, is a complex psychological process.

Mode of teaching network-based learning strategies guided by activity theory;

Constructions of the Activity Theory and Virtual Learning Community;

An Inquiry into Evolutionary Skeleton and Application of Activity Theory;

The development of earth sciences and activity on frontiers of continent dynamics put forth a new challenge to the palaeogeography researchers, and mobilism palaeogeography maps should be compiled for prospecting of mineral deposits and study of the evolution of sedimentary crust as well as continental tectonics .

In order to give a reasonable interpretation on these new data and to adapt the view on Earth most closely to the epistemology of the materialistic dialectics, an im-portant problem for the structural geologists of China to face is that we should improv and cor-rect the knowledge about mobilism.