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SECTION FOUR: READING COMPREHENSION
Part 1. Read the text below and think of the word which best fits each gap. Use only ONE
word in each gap. (10pts)
Brain training puzzles really can boost intelligence, a study shows for the first time. While
previous studies have suggested that number puzzles can improve memory and crosswords can
expand vocabulary, scientists (51)................ now proved that mental exercise really does
(52)).............. us more quick-witted. A Swiss-American team reports in a leading scientific journal
how computer-based mental exercises were used (53)............... improve overall problem-solving
ability.
(54).................team gave 35 volunteers a series of mental exercises designed to improve
their memory. A control group of 35 subjects did not take these tests. Members of the first group
were shown a different type (55)....................square every three seconds and asked if a certain square
matched (56)...................shown earlier. Participants also heard a series of spoken letters and had to