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题库 / Prep2007E2-SC-7
So-called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environment and natural resource base of countries as varied as China, the Netherlands, and Hungary.
as varied as
as varied as are
as varied as those of
that are as varied as
that are varied as are
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摘：a和d有细微的差别，a中countries包括China, the Netherlands, and Hungary，d中countries不包括China, the Netherlands, and Hungary
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