Strict logical paradox generally contains three important element factors:well-known background knowledge, refined logical-inference and contradictive equality that can be reasoned.

On the application of background knowledge in the science and technology translation;

The decoding function of background knowledge in college English teaching;

Effects of background knowledge on foreign language reading comprehension;

In the past,many English teachers focused their attention on teaching Englist itself,but ignored the corresponding knowledge and rules on social cultural background and intercultural communication.

Influence of knowledge context on inductive inference;

After the requirements of knowledge warehouse schema inKMS are analyzed, a concept model based on knowledge carriers, knowledge content, knowledge context, knowledge agent andknowledge role is proposed.

In this paper, author first analyses the main factors influencing students reading abilities from aspects of teaching and learning, and then puts forward several solutions: improve teaching mode, cultivate reading skills, focus on background information, enlarge vocabulary, read extensively and master necessary grammar knowledge.

With the investigation by questionnaire on freshman in English major, the paper figure out some efficient methods for reading courses of freshman in English major:1) inspiring active emotions,2) introducing background information,3) make use of the schema theory, 4) cultivate reading interest.

Cultural background information takes a large proportion in the non-linguistic elements that restrict reading comprehension.