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  3. One suggested method of containing the fires was presented by Cary Colaizzi of the engineering firm Goodson, which has developed

One suggested method of containing the fires was presented by Cary Colaizzi of the engineering firm Goodson, which has developed

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问题 One suggested method of containing the fires was presented by Cary Colaizzi of the engineering firm Goodson, which has developed a heat-resistant grout (a thin mortar used to fill cracks and crevices), which is designed to be pumped into the coal fire to cut off the oxygen supply.
选项 A、restraining
B、comprising
C、embracing
D、releasing
答案A
解析 根据上下文containing已不再是“包含，容纳”的意思，而应是“控制，遏制”。四个选项中，A项restraining的意思是“抑制，制止”；B项comprising的意思是“包含，由……组成”；C项embracing的意思是“拥抱，互相拥抱，包含”；D项releasing的意思是“释放，解放，放弃”。只有A项符合题意。
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