题目内容
12．The compass helped people make manydiscoveries （discover） in the past．分析 指南针帮助人们在过去获得许多发现．
解答 答案：discoveries
联系语境，根据关键词make many可知其后应该跟可数名词的复数形式；结合提示词discover为动词"发现"，其名词形式为discovery，复数形式为discoveries，这里的make many discoveries意为"获得许多新的发现"，符合意义及用法．故填：discoveries
点评 此题考查动词和名词的转化．做题时联系语境并抓住关键词确定出词性和单复数的变化．
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