A. LONGEST B. WIDEST C. BIGGEST D. DEEPEST(76-80). READ THE PASSAG...

75. a. longest

b. widest

c. biggest

d. deepest

(76-80). Read the passage below carefully and choose the correct answer a, b, c or d.

Human memory, formerly believed to be rather inefficient, is really more sophisticated

than that of a computer. Researchers approaching the problem from a variety of view

points have all concluded that there is a great deal more stored in our minds than has been

generally supposed. Dr. Wilder Penfield, a Canadian neurosurgeon, proved that by

stimulating their brains electrically, he could elicit the total recall of specific events in his

subjects’ lives. Even dreams and other minor events supposedly forgotten for many years

suddenly emerged in detail.

Although the physical basic for memory is not yet understood, one theory is that the

fantastic capacity for storage in the brain is the result of an almost unlimited combination

of interconnections between brain cells, stimulated by patterns of activity. Repeated

references to the same information support recall. Or to say that another way, improved

performance is the result of strengthening the chemical bonds in the memory.