填空题 The proliferation of weapons of mass destruction will not be stopped by ______, nor will terrorism be ended by the incarceration of the few perpetrators who are apprehended. (exhort)
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【正确答案】 1、exhortation    
【答案解析】根据语法结构得知此处应该填入一个名词， exhort的名词形式为exhortation， 含义为“劝告” 。