单项选择题

The main purpose of the passage is to ______.

A．discuss the advantages and disadvantages of skyscrapers
B．compare skyscrapers with other modern structures
C．describe skyscrapers and their effect on the environment
D．illustrate various architectural designs of skyscrapers

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热门试题

单项选择题

Which of the following is not referred to by the author as a field whose needs are served by weather forecasting

A．Sports.
B．Transportation.
C．Manufacturing.
D．Fanning.

单项选择题

The best title for the passage is ______.

A．The Basics of Dynamic Meteorology
B．The Limitations of Meteorological Forecasting
C．Approaches to the Science of Meteorology
D．New Advances in Synoptic Meteorology