What is strongly correlated with social mobility according to econom-考呗网题库移动版
英语六级
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A.Family structure.
B.Racial equality.
C.School education.
D.Community density.

参考答案A
解析:
定位:由题干关键词strongly correlated和Rai Chetty定位到文章第五段首句:Harvard economist Raj Cherty has pointed to economic and racial segregation,community density,the size of a community’s  middle class,the quality of schools,community religiosity,and family structure,which he calls the“single strongest correlate of upward mobility.”
详解:事实细节题。根据定位句可知,在查蒂提到的若干影响社会活动性的因素中,家庭结构是“社会阶层提升的唯一强相关因素”,故答案为A。
点睛:B.“种族平等”,该项没有被列入查蒂所说的若干因素中,可以排除;C“学校教育”,查蒂虽然提到这个因素,但它不属于强相关因素,可以排除;D“社区密度”,与选项C一样,虽然提及,但不属于强相关因素,可以排除。

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