单项选择题


第一节
说明：每段对话后有一个小题，请从题中所给的A、B、C三个选项中选出最佳选项。(每段对话后有15秒种的停顿，以便回答问题和阅读下一问题。)
What has made working at home possible

A． Personal computers.
B． Communication industry.
C． Living far from companies.
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单项选择题
The highest flood referred to in the passage was about ______.
A．18 feet high
B．5～22 feet high
C．nearly 50 feet high
D．52 feet high
单项选择题
A．turn outB．take onC．take inD．come into
A．turn out
B．take on
C．take in
D．come into
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