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【多选题】
Which of the following is the largest part of energy consumption in offices and residential buildings?
A.
Preheated air
B.
Cooling
C.
Compressed gas
D.
Heating
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】In order to establish, operate and improve facilities in FM, what are the three levels as a structure?
A.
Technical innovation requires investment
B.
Use equipment with caution
C.
Good housekeeping
D.
Good housekeeping in a single workplace
【单选题】The reasons why Yunnan has so many ethnic groups do not include .
A.
Yunnan is most suitable for living
B.
mountainous area make it difficult to communicate with each other
C.
migration
D.
avoiding disasters and wars
【判断题】Resilience is about how to maintain the self-organising capacity of a system(Please select one answer)
A.
正确
B.
错误
【单选题】What is the most outstanding feature of Yunnan's ethnic groups?
A.
diversity
B.
unity within diversity
C.
unity
D.
harmony