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With PowerPoint, all your information and visuals could be arranged on discrete "pages" or "slides".

【参考答案】

Y

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PowerPoint is a public-speaking application included in the Microsoft Office software package.

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要经常用脑子，否则会变迟钝。2．脑子也要得到适当的休息。3．如何休息大脑。 How to Use Your Brain