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GRE填空题及答案(汇总)

　　3. Proponents of international regulation of environmental issues have always struggled against scientific uncertainty and economic hostility, two obstacles which, form a political standpoint, often have been closely related, as economic hostile toward environmental regulation for economic reasons have (i)___ the considerable uncertainly underlying most environmental challenges to (ii)___ of environmental regulation.

　　Blank (i)

　　Blank (ii)

　　A. resolved

　　D. exaggerate the efficacy

　　B. gainsaid

　　E. downplay the legitimacy

　　C. exploited

　　F. question the fallibility

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