Developed countries usually have economic systems based on continuous, self-sustaining economic growth and high （） of living.

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Developed countries usually have economic systems based on continuous, self-sustaining economic growth and high （） of living.

A.treasure

B.injury

C.standards

D.protection

正确答案：standards

Tag：硕士生英语进阶时间：2021-11-27 15:10:29

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