GRE

简答题By far the largest of the penguins,the emperor penguin is(i) ____________to Antarctica,where it(ii) ____________0ver many miles of ice to its breedingground,and later(iii) ____________for food hundreds ofmiles away to bring back to its single chick.


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B,E,G.
Choosing correctly here may involve recognizing the correct use of prepositions in idiomatic phrases.A species may be “endemic to” anarea(choice B),but we don’t say it is “pervasive to” the area(choice A).Similarly ,animals may “forage for” food(choice G),but they don’t “pursuefor” food(choice I).