Four Ways to Restrict Access to Electronic Documents
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It is essential to limit access to sensitive files and documents in the event that your company keeps private information about deals or accounts, or handles sensitive employee and client data. Even when your employee...
Board Meeting Preparation
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Board meeting preparation involves a lot of reading, taking notes, thinking/contemplating, and seeking out and asking for additional information. This improves the efficiency of the board and allows them to spend more...
How to Choose a Data Room With Data Room Access Control
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Access control to your data room allows you to monitor entry and exit to your data center and quickly cancel permissions at any time when there are doubts or suspicions. Advanced security features such as dual interve...
Why Startups Use Digify to Organize Due Diligence
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A data room is a repository for sharing confidential documents during due diligence with potential buyers or investors. Private equity companies, investment banks companies, and other financial institutions make use o...
优点：引导学生观察氯气自己归纳物理性质，加深学生对氯气的印象，语言亲和，语速得当，视频丰富了课堂的内容，吸引学生注意力
缺点：PPT字体有点小
优点：及时将重点内容呈现到黑板上，突出重点知识；由实际情景引出氯气的性质，便于学生理解与记忆；在观看视频的时候，及时讲解，利于学生学习。
缺点：板书可以写的更美观一些。
优点：讲课富有启发性：引导学生自主思考自主总结，让同学们对氯的印象更深刻，同时，这样做也锻炼了同学们的能力，语速很适合，PPT制作精美，逻辑清晰重难点明确
缺点：声音有点小，板书可以在现在的基础上提升改进一下，个人觉得还是不要让学生们闻有毒气体，可以用无毒气体来让学生们练手，有毒气体还是小心为妙
优点：运用氯气泄露时的一个场景引入氯气的性质，在结尾也用养鱼的事件，角度新颖独特；内容讲解清晰，在视频播放时也有进行相应讲解。
缺点：PPT背景取色不太好，字体比较难看清，字体也有点小；板书可以再美观一些
优点：ppt做的很用心，知识点之间衔接地自然连贯。通过做实验的方法将知识点呈现给学生，加深了他们对知识点的理解与掌握。语言表达恰当，语速适中。
缺点：板书时知识点点排布可以再加以设计。
优点：板书设计合理，重点突出；和生活实际相联系，缩小距离感，更通俗易懂；对视频内容做出适当的讲解，语速适中。
缺点：粉笔字可以再练一练；声音可以更大一些；ppt设计不够合理，字体太小。