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【判断题】
如果 出现 燃气或助燃气压力不稳定 , 先 排除是不是因为气源不足或管路泄漏的原因,如果不是,那么可在气源管道上加一阀门控制开关,调稳流量。A.
正确
B.
错误
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【简答题】a____ n. 权威;当局
【简答题】Environmental impact report (EIR) is the written record of an environmental impact assessment exercise submitted to the deciding authority. It identifies and examines the likely environmental ________...
【简答题】n. 权威;当局 (a__)
【简答题】n. 权威;当局 (a__)
【单选题】Which of the following is an environmental policy based on tradable emission permits?
A.
a charge to companies of $1 for every 100 units of pollutants emitted
B.
paying companies $1 for each 10% reduction in emissions
C.
allowing companies to buy and sell the right to a certain level of emissions
D.
ignoring pollution and letting private markets operate without government interference
【单选题】Which of the following is an environmental standard?
A.
tradable pollution permits
B.
taxes on the level of pollution
C.
legal limits on sulfur dioxide emissions
D.
production subsidies
【判断题】Environmental analysis involves the performance of chemical, physical, and biological measurements in an environmental system.
A.
正确
B.
错误
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