1、Unit 9 Lesson 3Clean Machines Teaching aims: To compare and practice using the Present Perfect and Present Perfect Continuous tense.To learn some words and expressions.Solar Car RacingWarm upDo you know the names of the following famous cars?Voice your opinionWhere do they get their power from?(What

2、 kind of energy do they use? )the sunlight(solar energy)the solar carA new energyDifferent kinds of fuelcoalpetrol (BE)gas (AE)diesel(柴油)gas(天然氣)What is a solar car ?Match the words or phrases:up until the presentdependablearticlesectionthink well ofhappenPre-readingWords study and practice have a g

3、ood impression of so far take place reliable essay chapterchapter, impression, essay, appreciate, operator, reliable1.Things that are _ can be trusted to work well 2. A/An _ is one of the parts that a book is divided into. Each chapter has a number, and sometimes a title.3. If you _ something, you l

4、ike it because you recognize its good qualities.reliablechapterappreciateChoose the correct words and complete the sentences with correct forms.4. I asked my students to write a / an _ about their hometown. 5. What were your first _ of college?. My _ is that they are totally out of control.6. A/An _

5、 is a person who connects telephone calls at a telephone exchange.chapter, impression, essay appreciate, operator, reliableessayimpressionsoperatorimpressionWhat is the text mainly about?It is an/a _ about _interviewsolar car racingFast readingdefinitionThey are cars that _ for power.speedsThey have

6、 reached speeds of nearly _ k.p.hOne car has averaged over _ k.p.h in cloudy weatheradvantages_ and _no_disadvantagestoo_ and not very_use the suns energy8040pollutioncleansafeslowreliableDetailed readingComplete the following form:Detailed reading2. Read the passage again and do Exercise 3 on Page

7、40.Keys: 1. T 2. F 3. F 4.5. T SummaryMarie Logan has been interested in cars since _. When she was at university, she started _ her cars. Shes designed five or six different cars so far, and she has been _ part in races for about four years. She has won two of the six kindergartendesigningtakingSum

8、maryraces for about four years and the one she likes best _ place across the whole of Australia from northwest to southeast. These years Marie Logan has been designing _ racing cars. Solar cars are cars that use the suns _ for power. Theyre clean and _.tooksolarenergysafeSummary Marie Logan has also

9、 been writing a book about solar cars. She has only finished the first few _ of the book. She wants people to have a good _ of solar cars. Solar cars are getting better and better all the time. They will be _ among people all over the world.chaptersimpressionpopular Role play ( Ex. 4 on page 40 )Post-reading : Group work Further discussion1. Please tell us other advantages