6. The author develops the discussion in paragraph 1 by means of
(A) describing a process
(B) classifying types of worksheets
(C) providing historical background
(D) explaining a theory
7. The author states that "On the average, people can keep about seven ideas in their minds at once (lines 17-18) to explain that
(A) most decisions involve seven steps
(B) human mental capacity has limitations
(C) some people have difficulty making minor as well as major decisions
(D) people can learn to keep more than seven ideas in their minds with practice
8. The word "succinct "in line 24 is closest in meaning to
(A) creative
(B) satisfactory
(C) personal
(D) concise
9. Which of the following terms is defined in the passage ?
(A) Proponents (line 5)
(B) Optimal (line 5)
(C) Variables (line 17)
(D) Long-range goals (line 25)
10. The word "it" in line 24 refers to
(A) worksheet
(B) problem
(C) distinction
(D) decision
11. The word "revise" in line 26 is closest in meaning to
(A) ask
(B) explain
(C) change
(D) predict
参考答案:ADADC ABDBB C