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What is the one huge problem that we haven’t really solved? [br] The electrostat
What is the one huge problem that we haven’t really solved? [br] The electrostat
游客
2023-09-15
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问题
What is the one huge problem that we haven’t really solved? [br] The electrostatic precipitator has got rid of ______ from manufacturing processes.
选项
A、severe emissions
B、ozone-layer depletion
C、many pollutants
D、toxic substances
答案
D
解析
细节题。根据题干from manufacturing processes定位到第四个小标题末段首句Other inventions,such as an enormous device known as the electrostatic precipitator,have reduced severe emissions from power-plant smokestacks,eliminated toxic substances from manufacturing processes,即:发电厂烟排放已经减少,制造过程中的有毒物质也被除去,故选D。
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