高中英语 Unit9 lesson3《wheels》Clean Machines课件5 北师大版必修3.ppt

solar carsUnit9 lesson3Clean Machines vocabularyvocabulary petrol pe-trol （英）汽油（英）汽油 solar so-lar 太阳的，太阳光太阳的，太阳光的的 racer ra-cer 赛车手赛车手 sunlight sun-light 阳光，日光阳光，日光 kindergarten kin-der-gar-ten 幼儿园幼儿园 northwest north-west 西北，西北方西北，西北方 southeast south-east 东南，东南方东南，东南方 chapter chap-ter 章节章节 impression im-pre-ssion 印象，感觉印象，感觉 reliable re-li-able 可靠的可靠的 operator o-pe-ra-tor 操作人员，接线操作人员，接线员员 appreciate a-ppre-ci-ate 欣赏，鉴赏欣赏，鉴赏 essay e-ssay 散文散文 shopping shop-ping 购物购物 gas 气体，煤气，汽油气体，煤气，汽油 golf 高尔夫高尔夫 so far 迄今为止迄今为止 take place 发生发生 Solar Car RacingWhat are the advantages of solar cars? use the suns energy do not use petrol, gas or any other fuel clean and safe no pollutionTask 1: Do you know these expressions? Are they different? solar car solar car racing solar racing car solar racerReading through the text and finish two tasks:Task 2: complete the informationName: Marie Logan From: Job: Topic of interview:Interested in cars (when):Started designing car (when):Take part in races (how many years):how many races: races won: Has Recently been doing (two):Brisbanesolar racersolar carsince kindergartenat universityFor about four yearssixtwo1. She has been building a new car.2. She has been writing a book about solar cars.Read the text carefully and find out the expressions. 80 k.p.h. 80 kilometres per hour 80公里每小公里每小时时 世界太阳能汽车挑战赛世界太阳能汽车挑战赛 the World Solar Car Challenge 用太阳能作动力用太阳能作动力 use the suns energy for power 各种燃料所造成的污染各种燃料所造成的污染 pollution caused by fuelsTrue or False Solar cars only get power from the sunlight. People are interested in solar cars because they dont have pollution caused by fuels. 从幼儿园起从幼儿园起 since kindergarten 迄今为止迄今为止 take part in 发生发生 take place 让我想想让我想想 let me think from northwest to southeast 从西北到东南从西北到东南so far参加，参与参加，参与True or False Marie Logan began designing cars when she was a student. She has won most of her races. 对太阳能汽车有好印象对太阳能汽车有好印象 have a good impression of solar cars 使他们相信太阳能汽车的优点使他们相信太阳能汽车的优点 persuade them of the advantages of solar cars 在多云天气下在多云天气下 in cloudy weather 比赛好运比赛好运! Good luck in the race！True or False The team has nearly finished building a solar car. Marie has written a book about solar cars. Solar cars can work in cloudy weather.Language points so far 迄今为止，到如今，到现在为止迄今为止，到如今，到现在为止 I have learned 2,000 English words so far. So far, the old lady has made 99 clothes for her grandchildren. take place 发生发生 The story took place in a small village. Something strange took place in our school two days ago. persuade 说服说服 persuade sb. to do sth. 说服某人做某说服某人做某事事 Tommy has been trying to persuade his parents to buy him an MP4 for two weeks. persuade sb. of sth. 让某人信服某事让某人信服某事 What can I do to persuade you of the news? The man persuaded his girlfriend of his bravery by getting through the bungee jumping. Grammar: 现在完成时和现在完成进行时现在完成时和现在完成进行时 试区分：试区分：Amy: Ive read Harry Porter.Betty: Ive been reading Harry Porter.Q: Who finished reading Harry Porter?我们用现在完成时来谈论一个完成的我们用现在完成时来谈论一个完成的动作（成果）。动作（成果）。我们用现在完成进行时来谈论未完成我们用现在完成进行时来谈论未完成的动作。的动作。Present Perfect Continuous or Present Perfect?1. A. Youve been _ (design) solar racing cars for a long time. B. Ive _ (design) five or six different cars so far.2. A. Ive been _ (take part in) races for about four years. B. How many races have you _ (take part in)?designingdesignedtaking part intaken part in3. A. Ive been _ (build) a new car with a team from Queensland University. B. Weve _ (do) a lot of work on it.4. A. Youve been _ (write) a book about solar cars. B. Ive only _ (write) the first few chapters.buildingdonewritingwritten试理解：试理解： A. He has run three miles. 强调他跑了三英里这强调他跑了三英里这结果结果，一段很长的距离。，一段很长的距离。 B. He has been running for an hour. 强调他跑一个小时步这强调他跑一个小时步这过程过程（所以他累坏了）（所以他累坏了）现在完成时关注动作的现在完成时关注动作的结果结果，尤其，尤其是达到什么程度。是达到什么程度。现在完成进行时关注现在完成进行时关注动作本身动作本身，即，即过程过程，特别是解释该动作造成的显，特别是解释该动作造成的显而易见的结果时。而易见的结果时。Please do: Ex 7&8 on Page 41Ex 2 on Page 82