When it comes to the process of knowing , understanding and learning something , knowledge is processed （经加工的）information and , the way individuals select and store information leads to the formation of structure , which differs from one person to another and forms the basis for various jobs and potentials（潜力）.
The knowledge structure , thought invisible , is extremely important for learning and for distinguishing a good learner from the rest . What matters most during a person’s scholarly career is not how many books one has read but whether and how well one’s knowledge structure has been established.
Knowledge can be fully functional in the cerebral cortex（大脑皮层）only if it has been weaved into a network of knowledge or else it will fall apart with little use.
The most important thing for a knowledge structure is classification which is a complex individual mental process where new information is compared ,clarified and linked with the previous one . As a result , the processed information has been filed into specific areas , such as politics , literature and so on , available for use at any time . It is possible , however , that someone may have read and experienced a lot but still acts like a beginner . This phenomenon may be explained purely from a possibility that the information he received may have been dislocated in his memory stack where there is no shortage of materials ; what he is actually lacking is the system of processing materials , resulting in failure to retrieve information when it is required.
Instead of always staying the same , the knowledge structure is in fact forever in the process of trans-formation in terms of shape , angle and quality, which may sometimes produce certain surprise to a person all at once . To make the most of one’s intelligence , therefore , the best way is to better one’s knowledge structure before everything else.
71. What’s the passage mainly about?
A. The storage of your brain information B. The functions of your knowledge
C. The structure of your knowledge D. The process of transforming knowledge
72. The following statements about knowledge structure are true EXCEPT that .
A. it lays a basis for your jobs B. it can be adopted to judge learners
C. it differs from one person to another D. it is always unchanging for individuals
73. A person’s scholarly career mainly depends on .
A. the number of books he has read B. the way his knowledge structure has been formed
C. the quality of materials he has collected D. the memory of information he has got
74. The underlined word “retrieve” probably means .
A. get back B. adapt to C. keep off D. forget about
75. From the passage we may get the point that .
A. all the information in your brain is ready for use at any time
B. the storage of information involves only one memory stack of your brain
C. one with a poor knowledge structure can never get improved
D. your knowledge will be of little use without knowledge structure