Many economists believe that since resources are scarce and since human desires

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问题 Many economists believe that since resources are scarce and since human desires cannot all be (i)______, a method of (ii)______is needed.

选项

答案 A,D

解析 逗号说明前后同义重复,cannot取反。第一空与scarce(缺乏的)反义重复。indulge满足,usurp夺取,express表达。 答案选A。第二空与scarce同义重复,填入一个表示“需要节约”的词。 apportionment分配,expropriation征用,reparation修补。答案选D。
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