When was the Butler Square building originally built
A. In the eighteenth century.
B. In the early nineteenth century.
C. In the late nineteenth century.
D. In the early twentieth century.
某设备目前的实际价值8000元，预计残值800元，第一年的设备运行成本为600元，假设设备的年劣化值为200元（年均等），则该设备的经济寿命是（）年。
A. 8.5
B. 7.5
C. 6.5
D. 5.5
Why does the author assert that all things American are fascinating to foreigners
A. Because they have gained much publicity through the American media
Because they represent the world' s latest fashions
C. Because they embody the most sophisticated technology
D. Because they are available at all tourist destinations
下列（）不属于建设工程项目建设投资的内容。
A. 建筑安装工程费用
B. 预备费
C. 铺底流动资金
D. 建设期利息
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