1．if　[考查状语从句。根据句意，如果你有了电脑，你可以通过上网获得所需的信息。]

　　2．the　[考查冠词。go to the library去图书馆；in the library 在图书馆。]

　　3．and　[考查连词。and 连接并列谓语find和print。]

　　4．shouldn't　[考查情态动词。根据上文你应该(should)查阅不同的资料。]

　　5．more　[考查形容词比较级。参见上文第一句more complex。]

　　6．with　[考查介词。be overwhelmed with 面临，陷入。]

　　7．how　[考查疑问词。根据句意，你需要学习如何分类并找到特定任务的相关信息。]how to do 是含有疑问词的不定式，在此处作宾语。]

　　8．you　[考查代词。参见上文You need to learn how to sort through... ]

　　Ⅰ.阅读理解

　　A

　　A recent research shows that the “short sleepers” had been more or less average in their sleep needs until the men were in their teens. But at the age of 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities. These men tended to view their nightly periods of unconsciousness as interruptions in their daily routines.

　　In general, these “short sleepers” appeared ambitious, active, energetic, cheerful, and very sure about their career choices. They often held several jobs at once, or worked fullor parttime while going to school. And many of them had a strong urge to appear “normal” or “acceptable” to their family, friends and so on.

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