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How many different kinds of cars can you name?HondaMade in JapanMade in FrenchCitroenMade in GermanyMade in AmericaBuickHongqiMade in China1.The car is important to our life. Can you talk about both its advantages and disadvantages?2.Most cars use energy for power and cause pollution. In your opinion, how can we solve this problem and improve the cars?Lesson 3 Clean MachinesWhats this?Solar Carsolar panel太阳电池板太阳电池板Why do scientists make this kind of car? Scientists have been making solar cars for over 20 years. They have made cars that go up to 80 k. p. h.! gas, oil, petrol suns energyWhere do these cars get their power from?1. Listen to the dialogue between Marie Logan and the journalist. Catch important information and get the main idea.2. Read through the dialogue by yourselves with EX 3 as your task.1. Marie Logan began designing cars when she was a student.2. She has won most of her races. She has taken part in six races and has won two of them.TFRead the interview about solar cars. Are these statements true or false?3. The team has nearly finished building a solar car.4. Marie has written a book about solar cars.5. Solar cars can work even in cloudy weather.FTFRead carefully & Fill in the blanks Marie 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 _ of the six kindergartendesigningtakingtwo races for about four years and the one she likes best _ place across the whole of _ 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 _.Australiatooksolarenergysafe Marie Logan has also 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.chaptersimpressionpopularWhich solar car do you like best?SpeakingImagine youre a group of solar car designers. 4 people in a group. Design your .:One as a solar car designer;The other as a journalist.: your dream solar cars. Find out with Present Perfect and Present Perfect ContinuousLanguage points1. be worried about 为某事担心为某事担心, 焦虑焦虑 全家人都为他的安全担心。全家人都为他的安全担心。 The whole family were worried about his safety. 你发什么愁？你发什么愁？ What are you worried about? 2. so far 到现在为止。到现在为止。 常与现在完成时连用。常与现在完成时连用。 他们一直未能与公司取得联系。他们一直未能与公司取得联系。 They have so far failed to get in touch with the company. 到目前为止，我到目前为止，我才坐过才坐过2次火车。次火车。 So far, Ive travelled by train only twice. / Ive travelled so far. 到这个月我们已学习了新课本的到这个月我们已学习了新课本的10课书。课书。 So far this month we have learned ten lessons in our new textbook. so / as far as I know 据我所知据我所知 So far, so good 到目前为止情况不错到目前为止情况不错3. persuadeof 使使信服某事信服某事 她不相信他的话。她不相信他的话。She was not persuaded of his words.他说服我们相信了这个计划的可能性他说服我们相信了这个计划的可能性, 现在该我们去说服老板了现在该我们去说服老板了。 He managed to persuade us of the possibility of the plan; now we had to persuade the boss. persuade sb to do sth 劝说某人做某事劝说某人做某事John劝说我们买了他的产品。劝说我们买了他的产品。 John persuaded us to buy his product. 4. have a good impression of 对对有好印象有好印象 他确实是个有礼貌的绅士。那天，舞会上的他确实是个有礼貌的绅士。那天，舞会上的所有人都对他有好印象。所有人都对他有好印象。 He is a polite gentleman indeed. All the people at the party had a good impression of him. make / give a good (bad / clear / unclear) impression on He made a good impression on all the people at the party.5. reliable (adj.)rely (v.) on + -able reliable depend (v.) on + -able dependableunreliable (opposite)他看上去不太可靠。他看上去不太可靠。He looks a bit unreliable.这消息可靠吗？这消息可靠吗？Is this news reliable？6. reach 1 达成达成, 达到达到战争消耗了数十亿美元。战争消耗了数十亿美元。The cost of the war reached billions of dollars. 两个国家没有达成一致协议。两个国家没有达成一致协议。No agreement was reached between the two nations. 2 延伸延伸树林一直延伸到河边。树林一直延伸到河边。 The woods reach as far as the river.3 伸手够得着伸手够得着你能够得着上面那个架子吗？你能够得着上面那个架子吗？Can you reach the top shelf? We use the Present Perfect to talk about a finished activity (achievement) and the Present Perfect Continuous to talk about an unfinished activity. GrammarIve read Hamlet. Ive finished reading it. Ive been reading hamlet. I havent finished reading it. We use the Present Perfect to focus on a result of an activity, especially when we give a number or quantity. We use the Present Perfect Continuous to focus on the activity itself, especially to explain visible consequences of it. Hes run three miles. focus on the result: Hes covered the distance of three miles.Hes been running for an hour. focus on the activity and its consequences: This is what hes been doing for the last hour and why he is exhausted now.Grammar Practice1. You want to find out why someone is late. a) What have you been doing? b) What have you done?a) What have you been doing?Which sentence, a or b fits each situation best?2. You want to talk about your success in your training programme. a) Ive been running today. b) Ive run three miles today. b) Ive run three miles today.3. You want to complain about your garage.a) Theyve been repairing my car for over a week.b) Theyve repaired my car.a) Theyve been repairing my car for over a week.Mike: At last! Where _ (be) you? I _ (wait) for an hour.have you beenhave been waitingPut the verbs in brackets in the Present Perfect or Present Perfect Continuous.Helen: Sorry, I _ (talk) to an old friend. I _ (not see) her for years. And imagine, we met in the middle of the street, just like that.Mike: What _ she _(do) since you last saw her?ve been talkinghavent seenhasbeen doingHelen: She _ (work) for a computer company but she wants to change her job. She _ (not get on ) well with her boss recently.s been workinghasnt been getting onMike: Our company is looking for a operator. (8) _ (have) any interesting offers yet?Has she hadHelen: I dont think so. She _ _ (not look) for a long time. She just _ (start).Mike: Then tell her about this offer. Shell appreciate it.hasnt beenlookinghas just started1. More patients _ in hospital this year than last year. A. treated B. had been treated C. has been D. have been treatedD. have been treatedPractice2. The first use of atomic weapons was in 1945, and their power _ increased enormously ever since. A. is B. was C. has been D. had beenC. has been3. She has set a new record, that is, the sales of her latest book _ 50 million. A. have reached B. has reached C. are reaching D. had reached4. How can you possibly miss the news? It _ on TV all day long. A. has been B. had been C. was D. will be A. has beenA. have reached5. - _ David and Vicky _ married? - For about three years. A. How long were; being B. How long have; got C. How long have; been D. How long did; getC. How long have; been6. - Hi, Tracy, you look tired. - I am tired. I _ the living room all day. A. painted B. had painted C. have been painting D. have paintedC. have been paintingFinish Exercises on P41.
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