单项选择题


第一节
听下面5段对话，每段对话后有一个小题，从题中所给的A、B、C三个选项选出最佳选项，并标在试卷的相应位置。 听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
Where does Sally live

A． On the 16th floor.
B． On the 15th floor.
C． On the same floor with the man.
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单项选择题
From the third paragraph we can find that in the US ______.
A．cell phones will take the place of computers in colleges
B．college students can have a computer from their colleges
C．most college students are from rich families
D．mobile phones make Internet life easy for college students
单项选择题
The purpose of this article is to
A．warn us not to nap at work
B．explain the danger of sleepiness
C．discuss the side effects of napping
D．make the reader believe the necessity of napping
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