It is very difficult for non-governmental organizations to measure the ______ of

游客2025-06-17 20

问题 It is very difficult for non-governmental organizations to measure the ______ of the aid they supply to developing nations.

选项 A、finding
B、satisfaction
C、accuracy
D、effectiveness

答案 D

解析 effectiveness效力

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Itisverydifficultfornon-governmentalorganizationstomeasurethe______of