Online Media and Business
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Before the advent of the internet, access to large audiences was restricted to a select few media outlets. Newspapers, broadcasters magazines, and production houses controlled the majority of media that people consume...
The Technologies of the Future and How They Affect the Workplace
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Technology is changing our lives in a constant rate. From smartphones to robots, we are always connected and able to http://technologyactive.com/the-relationship-between-business-technology-and-customer-experience/ st...
How to Select VDR Providers
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Virtual data rooms simplify due diligence, collaboration and signing to help deals advance faster. They offer features like about his advanced security, full-text search real-time analysis mobile access, centralized c...
Corporate Travel Arrangements
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Corporate travel arrangements enable companies to send employees to locations across the nation and around the world for business purposes. These trips can provide networking opportunities, sales and business developm...
优点：结合钠地发现历史，证明备课很认真，引入很到位；大部分知识点都是从实验现象中得到，讲解与实验结合紧密；语速适中，重难点突出；
缺点：提问深度不够；如果板书要写方程式，建议课件中就不要出现反应方程式了。
优点：很好的结合了化学史实；语速没有之前那么快了，有了很大的改进
缺点：没有亲自在课堂上做实验，不能引起学生对于实验的兴趣；提问的深度不够
优点：将化学史结合到了授课中，语速也比以前慢了许多，重难点有突出，课堂节奏把握较好。
缺点：讲解还欠缺严谨，但是语调欠缺起伏，激情不足。
优点：教态自然；语速适中，较之前的课有了很大的进步；根据钠的史实导入课题，能够激发学生的学习兴趣；板书设计的好。
不足：给学生播放完实验视频后，建议让学生来描述实验现象。
优点：备课认真，语速适中，注意知识与实验相结合，课堂节奏把握较好
不足：缺少激情，没有在讲解重点的时候加强语调。