单项选择题

When is the main subject discussed in the text

[A] Dettling designed the first green building in the U. S.
B. Energy shortage calls for buildings of new design.
C. Green building help save environment.

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单项选择题

In the second paragraph, the underlined words the building most probably refer to ______.

A． an ordinary building
B． an energy-saving building
C． a green-colored building

单项选择题

If a man is tired of working indoors and wouldn't like to be too far away from his girl friend who studies at Simmons ,which college will he choose

A．Simmons.
B．ST. Mary's.
C．Paul Smith's.
D．Northern.