This paper aims to analyze the translation of tourist materials based on the theme-based information-highlighting principle for tourist guide translation.

As the CAT is to estimate the ability sequentially, at the early stage on CAT the estimated ability is rough, therefore, a new Interlacing Item Selection Strategy(IISS) were proposed, which gives the choice of different strategies on the implementation of CAT.

This paper discusses the strategies of observing problems in terms of training and form the formal mathematics language sp that students can reach a higher level of thinking of problems.

The psychologists home and abroad have been studying the structure of mathematic word problem, the representation mechanism, problem solving strategy and the factors influencing the word problem solving.