智能建筑的3A说指的是（）
A. BAS（Building Automation System） 楼宇自动化系统
B. OAS（Office Automation System） 办公自动化系统
C. FAS（Fire Automation System） 消防自动化系统
D. CAS（Communication Automation System）通信自动化系统
What did Benjamin Franklin do in his brother’s shop at the age of 12（）
As a printing apprentice
B. As a salesman
C. As a worker
D. As a proof reader
According to Harold Bloom, literary classics are ____（）
A. works of artistic excellence
B. works of temporary and transient fad
C. products of ideological and political prejudice
D. representations of interests of certain groups of people
Which of the following roles did Benjamin Franklin value most（）
A. Printer
B. Statesman
C. Writer
D. Scientist and inventor
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