M7 unit1 【学习目标】1. Use English to name some electrical appliances and electronic devices 2. Use English to express the electrical appliances or electronic devices that you and your family have benefited a lot from and also share experiences3. To know the develo pment of sound and video devices4. Have the desire /enthusiasm to innovate and invent things in the future预习案一.填词(每小题只填一个单词)1.easy to reach, obtain or use :_____________________2.easy to carry: ___________3.a law or rule that is behind something:_________________4.one of several parts that make up something:______________5.the slow development of something:______________________二、单词、短语翻译1. ______________ 不 久 之 后 2. ______________ 对 … … 作 出 贡 献 ; 促 成 ; 捐 助 ; 给 … … 写 稿 3. make a breakthrough in _________________4.delay…until… 把……推迟到…5. ______________________ 在二十世纪二十年 代晚期 6.________________ 彩色的 7. make a recording of_________________ 8.______________________________上发条 9.___________________ 从……受益10.__________________________________________……随着……的发展探究案Guess the meanings :1.electrical :electrical appliances:2.electronic devices:Make a list of the electrical appliances and electronic devices you have at home on the blackboard ?( Write down the names as many as possible)2.Discussion:1.According to the lists ,which one do you think has benefited you and your family gre atly? why? (give examples)3.Fill in the blanks:⑴____________ can help you to do housework.⑵___________can make the terrible sound?⑶______can help you contact your friends faraway.⑷ ___________can make sounds and pictures at the same time? Question:Do you know the development of video and sound devices?The evolution of video an...