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题库 / GMATAdvanced-SC-21
Statisticians studying the health effects of uranium mining on Navajo communities have found others besides miners and millworkers to be affected; birth defects, children’s cancer, and altered birth ratios of males and females are much higher in mining than in non-mining communities.
children’s cancer, and altered birth ratios of males and females are much higher
cancer among children, and altered male and female ratios at birth are much higher
cancer among children, and altered birth ratios of males and females occur much more frequently
altered birth ratios of males and females, and children’s cancer are much higher
altered male and female ratios at birth, and cancer among children occur much more
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此处birth defects...are much higher不合理
higher一般对应有数值含义词
因为不是 ratio of males to females 所以用higher反而更怪一点
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可以说ratios occur much more frequently吗？有一点awkward
The meaning of altered male and female ratios is unclear, as opposed to altered birth ratios of males and females.