Lesson 56 Faster than sound（课件）新概念英语第二册

Lesson 56 Faster than sound Do you know these logos? Rolls-Royce Silver Ghost How fast did the wining car go? ★sound ① sound n. 任何声音都可以 voice n. 人的声音 noise n. 和周围不和谐的声音, 躁音 I have a piece of sound advice. 我有一个合理的建议。 soundly adj. 香甜的 Soundly slept last night，I failed to get up this morning. ★excitement n. 激动, 兴奋 to one's excitement… 令某人激动的是…… It excited me that… 让我激动的是…… ★explosion n. 爆炸, 轰响 explosive [ik'spləusiv] n. explode [ik'spləud] vt. bomb [bɔm] n. 炸弹；vt. 投弹于, 轰炸 The bomb exploded. ★course n. 跑道，行程，过程 ① on the course 按照轨道运行 off course 偏离轨道 of course 当然 ② n. 课程 This term, I took/take seven courses. ★speed（sped，sped） v. 疾驶 ① v. 疾驶，急行 The police car sped past us. The two men sped out of the room. ② n. 速度 at the speed of 以……的速度 speed up 速度的增加, 加速；slow down 减速 ★downhill adv. downstairs 下楼；upstairs 上楼 Once a year, a race is held for old cars. A lot of cars entered for this race last year and there was a great deal of excitement just before it began. 每年都会举办一次塑胶产品展览。很多供应商都会参加展览会，展览开始之前每家公司都很兴奋。 One of the most handsome cars was a Rolls-Royce Silver Ghost. The most unusual car was a Benz which had only three wheels. Built in 1885, it was the oldest car taking part. 最具创意的一台机器是来自美国的注塑机。最快的一台机器是一台有三个镭射手的镭射机。于2012年制造，这是参加展览的最新的一台机器。 After a great many loud explosions, the race began. Many of the cars broke down on the course and some drivers spent more time under their cars than in them! A few cars, however, completed the race. 我花在车间试模的时间要比在办公室的时间多。 我很多时间都在公司外面和供应商谈判。 The winning car reached a speed of forty miles an hour -- much faster than any of its rivals. It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it. 今天路上堵车，汽车的速度只能达到每小时10英里-比任何时候都慢。我费了好大的劲才能准时到公司。 The race gave everyone a great deal of pleasur