新概念二册21课精品哦.ppt

aeroplaneairplaneplanehelicopterjet Lesson21 Mad or not?是不是疯了？ First listen and then answer the questions. Is the writer slowly going mad or not? Where does he live? What can be heard night and day? Have most of his neighbours left their homes or not? Has he been offered money to leave or not? What is he determined to do? What does everyone say? Are they probably right or wrong? New words and expressions mad adj.发疯 He is quite mad.他完全疯了 a mad plan 冒险的计划 mad adj.生气的，愤怒的 She was mad with me for my losing her keys. mad adj.狂热的，着迷的 She is mad about going to dance. The difference between crazyand “mad” mad：发疯的，疯狂的。一般说别人有病， 带贬义。 crazy：疯狂的，狂热的。中性或褒义 reason n.原因 the reason for+名词 ...的原因 Whats the reason for your absence？ 你缺席的理由是什么？ the reason to do 有理由去做什么 Is there any reason to go there？ 有理由去那吗？ sum n.量a large sum of:大量的，常跟钱连用a large sum of money 一大笔钱 decide和determine 相同点：两者都有“决定”的意思 不同点：decide:指经过询问、研讨后在几种可能的选择中做出决定。即不再迟疑不决。 He decided to leave here on Sunday instead of Monday.他决定周日而不是周一离开 determine to do 下定决心做某事（不动摇） I determined to stay here.(本文） key sentences重点句型 1.Aeroplanes are slowly driving me mad. drive sb. mad 使某人发狂，发疯 The noisy neighbor almost drives me mad. 2.I live near an airport and passing planes can be heard night and day. 句中passing是现在分词，用来修饰名词planes,起形容词作用。 pass:1.及格 I didnt pass the exam. 2.传递 Pass me the book,please. 3.经过，穿过 He passes my house on the way to school. night and day 日日夜夜，夜以继日 sleeping baby 正在睡觉的小孩 waiting car　 正在等待的车 3.The airport was built years ago, but for some reason it could not be used then. 1)years前面不加确定的数词时，一般表示“许多年”years ago = many years ago，weeks等的用法与它相似I have not seen him for weeks. 2)for some reason　由于某个理由 some+可数名词单数：某一 some book some+可数名词复数：一些 some books some+不可数名词： 一些 some water I’ll tell you some day. We’ll talk about it some other time. 我们改日再谈这件事。 4.Last year,however,it came into use. come into use=put into use投入使用 When did this word c