Overhead transparencies are useful for two purposes 透明胶片有两个用途。
Design one overhead transparency / slide as part of the beginning , middle or end of an informative presentation 设计一张投影片作为报告的开头、中间或结尾的一部份。
Tell them to prepare for a 3 - 5 minute presentation , and that they may use overhead transparencies or other visuals during their presentation 让学生能事先准备3 - 5分钟的报告内容,报告时可能需要使用投影片或其他的可以让其他同学看到的呈现方式。
It ' s been a hectic day for everyone at the office . but could i ask you a favor before you leave ? i need the presentation file printed on overhead transparencies 今天办公室里的每个人都忙翻天了。但是在你离开前,我可以请你帮个忙吗?我需要把简报的档案,印在高射投影机的幻灯片上。
The very first is to make teaching a proccss of creating . when teaching the same levels using the same textbooks , bring in some variations into your lessons tell a different story to begin the lesson , explain the same word with a different example , ask a different question to stimulate students " thinking , project a different overhead transparency to illustrate 首先是把教学当作创作,教同一个年级,用同一本课本,但要在教学中变些“戏法” ,用不同的故事去开始一节课,用不同的例子去解释一个词语,用不同的问题去激发学生思考,用不同的透明片去辅助讲解。