Evidence from the economists and the building industries shows that ______.A) exposure

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Evidence from the economists and the building industries shows that ______.

A) exposure to asbestos fibres is cancer-causing

B) asbestos is in extensive use in building industry

C) use of asbestos is being reduced gradually

D) exposure to asbestos fibres can be reduced significantly

参考答案:

BB[试题分析]事实判断题。[详细解答]石棉的使用给建筑工人造成了危害，但来自经济学家与建筑业的调查表明：虽然有可供利用的其他材料，石棉在英国建筑业中还将大量使用一段时间，因为它易得到且成本低(参阅第二段最后一句)。所以，B表达的内容最为贴切。