(牛津初中英语总复习) 8B Unit 3一.【精选词汇】重点短语1. I have no idea.Ive no idea.I dont know.我不知道。 (p40)2. turn on the TV turn on/off打开/关闭，turn up/down调大/调低；都是“动词副词”。3. change the channel换台on Channel在台，e.g. on CCTV-5拓展：the English Channel英吉利海峡4. different uses of computers计算机的不同用途：draw and design, play computer games, search for information, send and receive e-mails收发电子邮件, do word processing进行文字处理, write computer programs编写计算机程序 (p41)5. travel around the world in eig
