题目内容

Fill in the blanks with the correct words from the text.In class,she __1__ notes with it,instant-messaging or __2__ friends .With many schools ___ 3_wireless Internet access anywhere on campus,colleges as a group have become the most _4_ spots in the world.For most undergraduates, -5- Internet connectivity is the -6- of college life.But in doing so, students must remember to --7- and -8-your time.With the widespread -9- of computer technology,we are going to-10- a generation of problem-solvers and intelligent thinkers.

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某公司股票的β系数为1.3,目前的国库券收益率为6%,市场投资组合收益率为12%。要求:计算该股票资本成本。

回归直线在平面坐标系中的位置取决于a,b的取值。

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在均匀重力场中,质心和重心位置。

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