单项选择题

The main purpose of the passage is to ______.

A．compare skyscrapers with other modern structures
B．describe skyscrapers and their effect on the environment
C．advocate the use of masonry in the construction of skyscrapers
D．illustrate some architectural designs of skyscrapers

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热门试题

单项选择题

Where in the passage does the author compare the energy consumption of skyscrapers with that of a city

A．Lines 4 - 6.
B．Lines 7 - 10.
C．Lines 12 - 14.
D．Lines 15 - 16.

单项选择题

According to the passage, in the late 1960s some residents of Boston were concerned with which aspect of skyscrapers

A．The noise from their construction
B．The removal of trees from building sites
C．The harmful effects on the city's grass
D．The high cost of rentable office space