—Americans spend more on health care than most other people .— You’re right . But a new study shows

题目简介

—Americans spend more on health care than most other people .— You’re right . But a new study shows

题目详情

—Americans spend more on health care than most other people .
— You’re right . But a new study shows that life      in the United States is falling .
A.developmentB.positionC.experienceD.expectancy
题型:单选题难度:中档来源:不详

答案

D
名词词组。life expectancy ="expectation" of life平均寿命

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