(2018·*高考)WhenIstartedrunninginmy30s,Irealizedrunningw...

问题详情：

(2018·*高考)When I started running in my 30s, I realized running was ________ battle against myself, not about competition or whether or not I was athletic.

【回答】

a　句意：当我30多岁开始跑步的时候，我意识到跑步是一场对抗自己的战役，不是一场竞争，与我是否健壮也没多大关系。此处a表示“一场，一次”，具有数量的意思。

知识点：冠词

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