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Statisticians studying the health effects of uranium miring 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 nonmining communities.

 a.children’s cancer, and altered birth ratios of males and females are much higher 

 b.cancer among children, and altered male and female ratios at birth are much higher 

 c.altered birth ratios of males and females, and children’s cancer are much higher 

 d.altered birth ratios of males and females, and children’s cancer are much higher 

 e.altered male and female ratios at birth, and cancer among children occur much more 

정답 : c

 

정답은 c라고 되어 있는데...c와 d가 보기가 똑같애요.....

 

보기  정정과 답 confirm 확인 부탁드려요^^ 만약 정답이 c라고 한다면 a번하고 차이가 순서만 바꿨을뿐인데....흠....