Which is not municipal solid waste?
A、Household waste
B、Coal spoil
C、Food industry solid waste
D、Green waste
A、Household waste
B、Coal spoil
C、Food industry solid waste
D、Green waste
A、If only
B、As for
C、Despite of
D、Thanks to
A、
B、
C、
D、
A、Land Occupation
B、Air Pollution
C、Soil Pollution
D、Water Pollution
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.
A、The industry is fragmented into customer groups based on needs.
B、Customer needs are primarily satisfied by the price of the product.
C、A company's cost structure needs to be reduced.
D、There is a demand for deep price discounts from powerful buyers.
E、The industry is not allowed to charge a premium price for its products.
A、smooth/light
B、solid/flexible
C、hard/heavy
D、waterproof/soft
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!