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【简答题】
氢气被公认是21世纪替代矿物燃料的理想能源，试简述氢气作为能源的三个主要优点：①______；②______；③______．
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】ISO50001能源评审案例-空压机系统，需要考虑哪些事情。（）
A.
空压机的运行模式
B.
整个用气系统的压差
C.
空压站周边的用热需求
D.
用气点的压力是否下调
E.
以上所有
【单选题】All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil ...
A.
All over Europe, and in North America, there’re lakes and forests which are dead or (71) and the (72) is thought to be acid rain. What is acid rain Mr. Justin Cook, a scientist, explains: "All fossil fuels, (矿物燃料)，that (73) oil, coal and gas, contain sulphur. When these are burnt, for example (74) motor vehicles, they form sulphuric acid (硫酸)This (75) UP into the air, and soon it falls back to (76) , into lakes and (77) trees in forests." This can cause many local problems. 78 a result, lakes become acidic, fish disappear and trees are killed. The pollution is carried great distances by the wind, so sulphuric acid (79) in Britain can travel as far as Scandinavia (斯堪的纳维亚). Czech is one of the countries with the most acid rains and large areas of (80) consist only (81) dead trees.
B.
Is there (82) that can be done about acid rain Mr. cook says: "The rain (83) of acid rain is (84) power stations to install filters that (85) the acid getting out into the air. Here in Britain, the only (86) that has been taken is that the chimneys are built (87) so that the pollution is more distributed." If the petrol used in motor vehicles (88) lead--free, then it Would be possible to filter exhaust fuses (废气) which are a (89) cause of pollution. But these filter mechanisms (机械装置)can not work (90) the leads is removed.
【单选题】项目质量管理过程中，新奥能源交付运营赋能群负责（）。
A.
批准项目质量管理方案
B.
备案一、二类项目质量管理方案
C.
审核项目质量状态报告
D.
编制项目质量管理方案