Reading(2)：TheevolutionofvideoandsounddevicesVIP专享VIP免费

M7Unit1 Reading2Important phrases1 ．与某人保持联系 2 ．做贡献；促成3 ．取得重大突破 4 ．允许某人做某事5 ．现场直播 6 ．使某人可以获得某物7 ．从…中获益 8 ．…的替代物9 ．上发条 10. 随着…的发展 keep in touch with contribute to make important breakthroughs allow sb. to do sth. be broadcast live make sth. accessible to sb. benefit from alternatives to… wind up with the development of 11 ．跟上 12 ．依靠，依赖13 ．有机会利用（进入） 14 ．适应，调整15 ．对…负责 16 ．最重要的是17 ．尤其，特别 18 ．注意19 ．形状像… 20. 不太重要的keep pace withrely onhave access toadjust toLanguage points 1. Many different people contributed to the development of TV. (L6)contribute vt. 捐 ( 款 ); 捐献 , 捐助 , 贡献 , 提供 [(+sth to/towards)]; 投 ( 稿 )[(+sth to)] vi. 捐献 ; 贡献 , 出力 [(+to/towards)]; 投稿[(+to)]; 促成 , 导致，有助于 (to) 【拓展】 contribute 名词形式是 ________________ ，常构成短语___________________________contributionmake contributions to 下列句中 contribute 分别为何意？The volunteers contribute their own time to the project.He contributed half of his savings to the relief fund （基金会） He didn‘t contribute one idea to the document. He contributed generously to the Red Cross. He never contributes to the discussion. The scientist often contributes to an academic journal. 贡献捐款提供捐助投稿出力，贡献2. Regular colour TV broadcasts were delayed in the UK until 1967.(L14)1) delay vt. 使迟误，使耽搁 vi. 推迟，暂缓拖延，耽搁The accident delayed the train for two hours.I'm sorry that I've delayed so long. 2) n. 迟误，耽搁 毫不拖延地，立刻医生建议那位病人马上戒烟。 3) delay doing sth. 迟迟不做某事他迟迟不给我回信。 without delayThe doctor suggested that patient should give up smoking without delay.He delayed writing back to me.【即时训练】（ ...