高二英语导学案模块七,第一单元; Welcome to the unite命制人;戴文建、 日期;2010,03,01 姓名------------ 班级-----Teaching aims; Learn the technological developments and the background information.Difficulties; Some ststements and phrasesAids; material teaching method一;课前预习;1)Translate sentences under the four pictures into chinesePicyure 1Early TV was in black and white and had fuzzy pictures.PictureNow we can record music using computer.Picture 3Dictionaries never looked like this before.Picture 4With mobile phones, we can keep in touch with other wherever we are.2)类文欣赏;Almost at present, all digital cameras photometry way adopt TTL( through the lens),Referring to automation photometry system is to come to a photometry course the scene. Be to reflect what be seen scenery light size directly through lens photometrybenefit, light casts CPU that CCD transmits on CCD, with glorifying a signalto the digital camera on that is ,after the lens assuming analysis. CPU reflectivity that can the thing be shot in the light of for instance. The silver is 96 % .draw white pape %75 ,person face is 16-20% waits for ,all black is 3%--,Adjust due exposure value.Special field film personage . Meeting reality such as making use of disheartened order to get stuck,measuring the Glossy ware checks due exposure value.1) what do we use to analys the signal?2) How many cameras adopt TTL.?模块一 预习交流 一)英汉互译1 )看起来像--------- 2)与------保持联系3)列表------------ 4 ) over time 二)根据课文填空;1)Early TV was in black and white and had --------- pictures.2)Now we can record music ----------computer3)Dictionaries never looked ---------- this before.4)With mobile phones, we can keep in ----- with other wherever 用心 爱心 专...