A.为组织工作或代表组织工作的人员
B.过程
C.系统
D.a+b+c
第1题:
第2题:
第3题:
以下哪种()材料的生态性能更好 Which of the following materials has better ecological properties()
A.能源消耗高 Materials with high energy consumption in its production
B.能源消耗低 Materials with low energy consumption in its production
C.能源消耗不变 Materials with constant energy consumption in its production
D.与能源消耗无关 Ecological property has nothing to do with the energy consumption in its production
第4题:
第5题:
下面是表征能源价格波动影响的指标的是()。
A.能源进口额/GDP
B.道路交通能源消耗/总能源消耗
C.能源战略储备
D.能源效率