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Human intelligence and the IQ scales used to measure it once again are becoming the focus of fiery debate. As argument rages
Human intelligence and the IQ scales used to measure it once again are becoming the focus of fiery debate. As argument rages
admin
2009-05-09
72
问题
Human intelligence and the IQ scales used to measure it once again are becoming the focus of fiery debate.
As argument rages over declining test scores in the nation’s schools, an old but explosive issue is reappearing; What is intelligence — and is it determined largely by genetics?
The controversy erupted more than a decade ago when some U. S. scholars saw a racial pattern in the differing scores of students taking intelligence and college-entrance tests.
Now, the racial issue is being joined by others. Teachers, psychologists, scientists and lawyers argue over the question of whether IQ — intelligence quotient — tests actually measure mental ability, or if findings are skewed by such factors as family background, poverty and emotional disorders.
Moreover, some authorities assert that the rise in the number of college-educated Americans and their tendency to marry among themselves are creating a class of supersmart children of brainy parents — and, on the other side of the scale, a lumpenproletariat of children reflecting the supposedly inferior brainpower of their parents. Critics such as Harvard University biologist Richard C. Lewontin disagree. If mental ability were largely determined by inheritance, he says, efforts to enhance intelligence through the betterment of both home and child-rearing environments could only be marginally effective. He comments :
" Genetic determinism could be used to justify existing social injustice as predetermined and inevitable and would render efforts made toward equalitarian goals as useless. "
Supporting Lewontin in this is J. McVicker Hunt, a professor at the University of Illinois, who maintains that IQ levels can be raised significantly by exposing children at an early age to stimulating environments. Hunt’s studies show that early help in such areas as education and nutrition can raise a child’s IQ by an average of 30 to 35 points.
At stake in the uproar over IQ is the national commitment to improve the capabilities of the poor by investing billions of dollars annually in educational, medical and job programs.
The word "skewed" (Line 3, Paragraph 4)most probably means
选项
A、determined.
B、directed.
C、disclosed.
D、distorted.
答案
D
解析
该题为释义题。第四段第二句“Teachers,psychologists,scientists and lawyers argue over the question of whether IQ—intelligence quotient--tests actually measure mental ability,or if findings are skewed by such factors as family background,poverty and emotional disorders.”前半句意为,教师、心理学家、科学家和律师都在争论智商测试是否真的能够测量智力,后半句的意思是,智商测试结果是否由于家庭背景、贫困和情绪不佳而有偏差。故skew应理解为“曲解;歪曲”,选择D项。A项determine意为决定;B项direct意为指导;C项disclose意为揭露,都与题意不符。
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