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题库 / OG2017V-SC-203
A March 2000 Census Bureau survey showed that Mexico accounted for more than a quarter of all foreign-born residents of the United States, the largest share for any country to contribute since 1890, when about 30 percent of the country's foreign-born population was from Germany.
the largest share for any country to contribute
the largest share that any country has contributed
which makes it the largest share for any country to contribute
having the largest share to be contributed by any country
having the largest share to have been contributed by any country
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A：for any country to contribute是share的定语
B： that any country has contributed也是share的定语
无成分差异，考虑外延与内涵，从句和不定式的区别，定语成分考虑主句的约束力，主句的发生不能导致变化部分的发生，即墨西哥占了多少百分比与其他国家没有关系，不能用不定式。
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