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【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】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.