单项选择题

The main purpose of the passage is to______.

A．compare skyscrapers with other modem 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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单项选择题

A．He is the girl’ s friend.B．He is the girl’ s father’ s old friend.C．He is the girl’ s teacher.D．He is the girl’ s uncle.

A．He is the girl’ s friend.
B．He is the girl’ s father’ s old friend.
C．He is the girl’ s teacher.
D．He is the girl’ s uncle.

单项选择题

A．Spring lasts longer than any other season of the year.B．Spring is the shortest season of the year.C．The weather in spring, like in fall, is neither too hot nor too cold.D．Spring increases the vitality of every living thing on Earth.

A．Spring lasts longer than any other season of the year.
B．Spring is the shortest season of the year.
C．The weather in spring, like in fall, is neither too hot nor too cold.
D．Spring increases the vitality of every living thing on Earth.