单选题 Questions 13-14 refer to the following tables.

单选题 For how many of the countries listed in the graphs is it true that the life expectancy of a female born in 1955 was higher than the life expectancy of a male born in 1990?

A. None
B. 1
C. 2
D. 3
E. 4

A
B
C
D
E

【正确答案】 B

【答案解析】In Norway, the life expectancy of a female born in 1955 was 75 years, which is greater than the life expectancy of a male born in 1990. In Hungary, the life expectancy of a female born in 1955 was 66 years, whereas the life expectancy of a male born in 1990 was greater than 67. In the other two countries, the life expectancy of a female born in 1955 was less than 65 years, and the life expectancy of a male born in 1990 was greater than 65.

单选题 By sex and nationality, who had the greatest increase in life expectancy between 1955 and 1990?

A. A South Korean female
B. A South Korean male
C. A Costa Rican female
D. A Costa Rican male
E. A Norwegian female

A
B
C
D
E

【正确答案】 A

【答案解析】The life expectancy of a South Korean female born in 1955 was about 51 and in 1990 it was about 74, an increase of 23 years. This is greater than any other nationality and sex.