問題詳情：
改錯：(2019·天津高考)However, technology is also an application of scientific knowledge to solve a problem, touching lives in countless ways.
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【回答】
an→the application爲抽象名詞，此處特指“對科學知識的運用”，故application前應用定冠詞the。
知識點：冠詞
題型：短文改錯
