新概念英语1-Lesson129-1303页.doc

129 Seventy miles an hour一 本课重点： 1 语法重点：情态助动词 must / cant have been 2 重点句型：Where do you think you are？ / Thats why二 词汇精讲1 wave v. 招手，挥手 The policeman is waving to you. She waved me goodbye. 她向我挥手告别。 飘扬，摆动 The flag is waving in the wind. 旗帜在风中飘扬2 track n轨道 race track 赛车道/跑马场 railway tracks铁轨 A cow stood on the railway tracks. 美国英语田径运动；径赛运动 track and field 田径，田径赛3 mail seventy miles an hour 每小时七十公里4 overtake v