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It is well known that teenage boys tend to do better 1)______ math than girls， that malehigh school students are more likely than their female counterparts 2)______ advanced mathcourses like calculus，that virtually all the great mathematicians 3)______ men. Are womenborn with 4)______ mathematical ability?Or does society's sexism slow their progress? In1980， two Johns Hopkins University researchers tried 5)______ the eternal nature/nurturedebate. Julian Stanley and Camilla Benbow 6)______ 10，000 talented seventh and eighthgraders between 1972 and 1979. Using the Scholastic Aptitude Test， in which math questionsare meant to measure ability rather than knowledge， they discovered 7)______ sex differences. 8)______ the verbal abilities of the males and females 9)______ differed， twice as many boysas girls scored over 500 (on a scale of 200 to 800) on mathematical ability; at the 700 level，the ratio was 14 to 1. The conclusion： males have 10)______ superior mathematical reasoningability.
Benbow and Stanley's findings， 11)______ were published in “Science”， disturbed somemen and 12)______ women. Now there is comfort for those people in a new study from theUniversity of Chicago that suggests math 13)______ not， after all， a natural male . Zalman Usiskin studied 1，366 tenth graders. They were selected from geometry classes andtested on their ability to solve geometry proofs， a subject requiring 14)______ abstractreasoning and spatial ability. The conclusion 15)______ by Usiskin： there are no sex differencesin math ability.
1.A. at B. to C. of D. about
2.A. in tackling B. tackling C. to tackle D. about tackling
3.A. might be B. have been C. must be D. had been
4.A. smaller B. less C. fewer D. not more
5.A. to settle B. to set C. settling D. setting
6.A. were tested B. have tested C. were testing D. had tested
7.A. distinct B. instinct C. remote D. vague
8.A. Since B. However C. As D. While
9.A. scarcely not B. virtually C. largely D. hardly
10.A. superficially B. universally C. inherentle D. initially
11.A. as B. that C. which D. all
12.A. few B. not a few C. not few D. quite few
13.A. be B. were C. was D. is
14.A. none of B. neither of C. either D. both
15.A. got B. gained C. reached D. accomplished
參考答案1-5 ACBBA
6-10 DADDC
11-15 CBDDC
