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：以一则新闻引入本课内容，联系生活实际，具有人文情怀；有提醒学生将重点记在笔记上，培养了学生记笔记的好习惯
缺点：在描写金属钠的取用部分描述过于复杂，学生恐不易理解，建议借助视频来讲解
优点：从新闻引入，联系生活实际；课程环节设置富有逻辑性；强调实验的安全性，和钠的危险性；板书设计恰当；有实验设计探究；有结合结构来讲解性质，课程重点突出
缺点：PPT 的设置有一点缺陷，老师还没讲PPT先放出来了；对于钠的性质可以设计问题引导学生来回答
优点：语速语调适宜（有进步）；授课逻辑很清晰；教学环节设计得当，板书设计很好；与学生有眼神交流。
缺点：ppt字有一点小，在实验多的课堂中建议尽量设计一些问题引导学生思考。
优点：从新闻引入，吸引学生兴趣；各环节衔接紧密；很注重知识上的细节。
缺点：语速偏快，有些问题可以引导学生思考而不是直接给出答案，有些过于强调具体的知识点。
优点：从实际生活的爆炸导入新课，提醒同学们钠反应的危险性；通过实验让学生观察更明显；引导同学回答实验现象。
缺点：过渡还需加强；PPT里方程式书写注意规范；板书注意间距。
优点：从新闻引入，很有生活感；语言清晰、授课思路流畅，有实物展示和实验探究的参与；有逻辑性，重难点突出，
缺点：互动有点少，可以多跟学生提问题
优点：从一则新闻引入，引起学生兴趣，语言清晰流畅，讲解条理清楚，PPT制作简洁大方，有实验探究思想
缺点：PPT字体有点小，语速略快