单项选择题

LEED Gold certification requires ______.

A．the highest standard of green building design
B．the application of advanced energy technology
C．efficiency of using energy
D．safe clean on-site generation of power

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单项选择题

The facilities involved with the World Trade Center will ______.

A．take full advantage of energy
B．achieve the standard of the New York Energy Conservation Code
C．provide renewable energy sources
D．better protect workers' health and lives