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2015年7月10日GRE考前必备填空题21道：
1.Common and easily accessible resources (prey for predators or hosts for parasites) should be, all other things being equal, used frequently (Jaenike 1990). Still, some apparently accessible and suitable resources remain ________.
unexploited未开发的;未被利用的
2.Precedent ______ judicial restraint and ______ a judge's ability to determine the outcome of a case in a way that he or she might choose if there were no precedent. This function of precedent gives it its moral force.
promotes 促进;提升;推销
limits限制;限定
3.To pay for the extra spending, each American would have to contribute less than the cost of buying a cappuccino from Starbucks once a week. Aid is not a _______, and, even if the funding Sachs wants were to ________, his grandest objectives may well remain unfulfilled. But, targeted carefully, aid can reward responsible governments, _______ individual initiative, and alleviate suffering. Surely that’s worth a cup of coffee.
panacea 灵丹妙药;万能药
materialize 实现，成形
encourage 鼓励
4.Dadaism, the to-hell-with-art art movement that began in Zurich nearly a century ago, is the subject of a rivetingly lucid exhibition at the National Gallery of Art in Washington. The show is nothing if not _______, for the visu...