Almanacs in simple form have been known from the invention of writing.

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问题 Almanacs in simple form have been known from the invention of writing.

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答案from—since

解析 译文:简单形式的年鉴从书写发明以来就已经为人所知了。
分析:考查词汇。since和from常易混淆。由have been known知道此句是现在完成时态.应想到时间状语用since引导,不能用from。
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