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  3. Passage Three [br] What is the word used to refer to the residue of calcium carb

Passage Three [br] What is the word used to refer to the residue of calcium carb

游客2023-10-28  8
问题 Passage Three [br] What is the word used to refer to the residue of calcium carbonate, silica, iron oxide and alumina that partially melted in a special kiln?
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答案 Clinker
解析 原文第一段第三句提到将几种原料进行高温熔合，下一句为：“The result，clinker，is mixed with gypsum and ground to make cement, a basic ingredient of concrete.”，即熔合后得到的物质为clinker，故答案为“Clinker.”。
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