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The industrial waste is dumped into rivers without being filtered, thus contaminating the
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第1题
第2题
第3题
A、Mining wastes
B、Industrial wastes
C、Hazardous wastes
D、Inorganic waste
第4题
第5题
The problem raised by the author in solid waste treatment and reuse is ______.
A.economic and social
B.political and industrial
C.governmental and political
D.traditional and habitual
第6题
第7题
A、Industrial process
B、Waste water treatment plant
C、Ore mining process
D、Coal combustion process
第8题
第9题
What were the men doing according to the police?
A.They were treating industrial waste.
B.They were tanking industrial waste.
C.They were tanking chemicals.
D.They were using a tank to mix chemicals.
第10题
Coal gangue (矸石) is a complex industrial solid waste discharged(排出) when coal is excavated (挖掘) and washed in the production course. Its major chemical composition is SiO2 and Al2O3, and its major mineralogical (矿物学的) composition is quartz and feldspar (长石). The amount of coal gangue accumulated in China has already reached 3.8 billion tons; moreover, the stockpile (库存) of gangue is increasing at a rate of 0.2 billion tons per year. The disposal of such a large quantity of this solid waste requires a lot of land and has caused many serious environmental problems.
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