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t is well known that teenage boys tend to do better ___ 1___math than girls, that male high school students are more likelythan their female counterp arts ___ 2___ advanced mathcourses like calculus, that virtually all th e great mathematicians___ 3___ men. Are women born with ___ 4 ___ mathematicalability Or does society’s sexism slow their progress In 1980tw o Johns Hopkins University researchers tried ___ 5___ theeternal nature /nurture debate. Julian Stanley and CamillaBenbow ___ 6___ 10,000 talen ted seventh and eighthgraders between 1972 and 1979. Using the Scholastic Apti tude Test, in which math questions aremeant to measure ability rather than know ledge, they discovered ___ 7___ sex differences. ___ 8___ the ve rbal abilities of the males and females ___ 9___ differed, twice as many boys as girlsscored over 500 (on a scale of 200 to 800) on mathematical abilit y; at the 700 level, the ratio was14 to 1. The conclusion: males have ___ 1 0___ superior mathematical reasoning ability. Benbowand Stanley’s findings, ___ 11___ were published in “Science”, disturbed some men and ___ 12___ women. Now there is comfort for those people in a new study from the University ofChicago that suggests math ___ 13___ not, after all, a natural male domain. Prof. Zalman Usiskinstudied 1,366 tenthgraders. They were selected from geometry classes and tested on their abilityto solve geometry pr oofs, a subject requiring ___ 14___ abstract reasoning and spatial abili conclusion ___ 15___ by Usiskin: there are no sex differences in 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. [JP4]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. inherently 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
答案解析：
1. A) 介词at经常放在表示“技能和知识”的词前, 表示 在这方面的.能力和技能。
2. C) 此空所在句虽然有“”，但是经过分析可知句中存在一 个半助动词“be likely to”，故此空选C。
3. B) 在做此题前首先要分析清楚此句的句子结构。此空所在句的主句是“ It is well k nown”，它带有三个that引导的宾语从句，其中此空所在分句是第三句。根据上下文可推测 此句句意为：众所周知，实际上所有伟大的数学家一直都是男性。因此，根据句意和主句时 态可知正确答案为选项B。
4. B) 根据上下文意义可知答案为B。
5. A) 首先“解决争端”需要使用动词settle和debate搭配，另外try to d o意为“努力做某事”，而trydoing意为“尝试做某事”，意义不符。故A为正确答案。
6. D) 根据语法线索可知此空应使用过去完成时。
7. A) 根据句义可知A distinct“明显的”为正确答案。其它三词意义分别 为：instinct“本质的”;remote“遥远的”; vague“模糊的”。
8. D) 四个选项中首先可以排除选项B However，因为它不是连词。而Since 和As是引导原因 状语的从属连词;while为引导让步状语从句的从属连词。根据句义和句子结构，此空正确 答案为D。
9. D) 根据上下文可推测句义为：尽管男性和女性的语言能力没有什么区别 ，但是…。据此答案为D。
10. C) 根据上文的统计数据可以得出结论：男性天生就比女性具有 更高级的数学推理能 力。故正确答案为选项C inherently “本性地，固有地”。其它三项意义都不准确：super ficially意为“表面地”; universally意为“普遍地”; initially意为“最初，开始”。
11. C) 非限定性定语从句需要由which引导。
12. B) Not a few和some意义接近，由于是and连接的并列结构，故答案为B。
13. D) 此空前虽然出现动词suggest，但是从句中的动词不用虚拟语气形式 be，因为suggest在这里意为“表明”，而非“建议”。
14. D) 此处为both … and …结构。
15. C) “得出结论”由动词reach和conclusion搭配。
