GRE考试

【单选题】See the diagram on the following page for information to answer the questions.
In the period from 1979-1989, on average, how much longer, in years, could a 45-year oldBlack man with a family income in excess of $25,000 expect to live than a 45-year oldBlack man with a family income of less than $10,000A．4
B．6
C．8
D．10
E、12

网考网参考答案：C
网考网解析：
From the lower graph, we can see that the life expectancy at age 45 for Black men with family incomes below $10,000 was 25, whereas for those whose family income was $25,000 or more, their life expectancy was 33 years: a difference of 8 years. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>