单项选择题

When is the main subject discussed in the text

A．Dealing designed the first green building in the U.S.
B．Energy shortage calls for buildings of new design.
C．Green building help save environment.
D．Green building is popular among people.

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单项选择题

When Holowka says in the last paragraph, It's going to be big , she means that green buildings ______.

A．will be more comfortable
B．will become popular in future
C．will be more environmentally friend
D．will be more bigger than before

单项选择题

A green building is often built on an area of land ______.

A．which has thick forests around
B．which has already been for buildings
C．where people of high income live
D．where was wasted by people