展现你口语技能]四年级英语口语演讲稿.doc
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1、展现你口语技能四年级英语口语演讲稿英语课前三分钟活动是从教学需要出发,在每节课前利用三到五分钟时间,将英语歌曲欣赏、英文演讲、故事讲述、短剧表演等形式作为切入点和突破口,英语演讲稿范文3分钟怎么写?本文是WTT整理的英语演讲稿范文3分钟,欢迎阅读。篇1:英语演讲稿范文3分钟 HOW ARE TV PICTURES MADE?A TV picture starts with a TV camera. Some TV cameras are big and some are small. The cameras in TV studios are big. Camera operators rol
2、l the big cameras around on wheels. There are usually several big cameras in a TV studio. Cameras used outside a TV studio are smaller. TV camera crews take the smaller cameras to news and sports events.Some cameras send out live pictures to your TV set. Some cameras make videotapes that get played
3、later on a television program.All TV cameras need electricity to work. A camera operator points the camera at a scene. The camera picks up light from the scene. It changes this light into an electric signal called the video signal. A microphone changes the sound of people talking or music playing in
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