单项选择题

The writer warns Americans that ______.

A．their excessive consumption has caused world resource exhaustion
B．they are confronted with the problem of how to obtain more material goods
C．their unfair share of the world's resources should give way to proper division among countries
D．they have to discard their cars for lack of fossil fuel in the world
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单项选择题
By common resources (Par
A．2), the writer means that ______.A. the resources possessed by the United States should be shared by other countriesB. Americans have the right to consume resources both from their home country and from abroadC. it is difficult to distinguish the resources possessed by America from those possessed by other countriesD. all the resources in the world should be shared by all the countries
单项选择题
According to the passage, it has long been believed that ______.
A．people in poor countries scarcely know how to enjoy a high standard of living
B．the world's resources being limited, the people in underdeveloped countries are bound to live a poor life
C．most Americans know that the world's resources of many kinds are becoming scarce
D．it is impossible for all the people in the world to improve their living standards
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