高二英语 Clean Machines课件
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北师大版高中英语必修三Unit 9《Lesson 3 Clean Machines》课件 1
有现在完成时和现在进行时两者基本特点的时态。由于 它有现在完成时的特点，它可以表示某一动作对现在产 生的结果或影响；又由于它有现在进行时的特点，所以 它也表示某一动作的延续性、现时性、重复性、生动性 乃至感情色彩。
二、现在完成时和现在完成进行时的区别 1．相同点： (1)现在完成时和现在完成进行时都可以表示从过去某一时刻
一、现在完成时和现在完成进行时的基本用法 现在完成时由“have / has＋过去分词”构成，表示过
去 所发生的动作或事情对现在造成的影响或结果；现在完 成进行时由“have / has been＋现在分词”构成，表
示 某一动作在过去某一时间发生，一直延续到现在，有可 能到此为止，也有可能继续下去。现在完成进行时是兼
1．so far迄今为止 (一)背诵佳句培养语感 (教材原句)I've designed five or six different cars so far. 到目前为止，我已经设计了五、六款不同的汽车。 (鲜活例句)It's a shame that I have not been abroad so far. 真遗憾，我至今还没有出过国。 (鲜活例句)So far, the economic crisis has been spreading in European countries. 迄今为止，经济危机还在一些欧洲国家蔓延。
常用现在完成时 介词词组，一般作表示程度的状语，常用来修饰比 by far 较级或最高级，是“非常；……得多”的意思
用so far或by far填空 ①He is by far the best student in our class. ②I have read three English novels so far . 2．take place产生；发生；进行，举行 (教材原句)Where do these races take place? 这些汽车赛是在哪儿举行的？
高中英语Unit9Wheels9_3Lesson3CleanMachines课件北师大版必修3
reached speeds of 11.________. In tests, one car has
cars
12.________ over 40 k．p.h., even in cloudy weather.
答案 1．the sun's energy 2.petrol, gas or any other fuel 3．reason 4.pollution 5.clean and safe 6．started designing his car 7.six 8．building a new car 9.solar cars 10．let people have a good impression of solar cars 11．nearly 80 k．p.h. 12.averaged
Q: You've been designing solar racing cars for a long time. When did you start? A: Well, I've been interested in cars since kindergarten. When I was at university, I started designing my car. I've designed five or six different cars so far. And I've been taking part in races for about four years. Q: How many races have you taken part in? A: Let me think. Six. We've won two of them! Q: Where do these races take place? A: Well, the one I like best crosses the whole of Australia from northwest to southeast. It's about 4，500 km long!
高中英语 Unit9 lesson3 Clean Machines课件1 北师大必修3
persuade 说服 persuade sb. to do sth. 说服某人做某事 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 What can I do to persuade you of the news? The man persuaded his girlfriend of his bravery by getting through the bungee jumping.
True or False
Solar cars only get power from the sunlight. People are interested in solar cars because they don’t have pollution caused by fuels.
T
T
从幼儿园起 since kindergarten 迄今为止 take part in 发生 take place 让我想想 let me think from northwest to southeast 从西北到东南
reliable re-li-able 可靠的 operator o-pe-ra-tor 操作人员，接线员 appreciate a-ppre-ci-ate 欣赏，鉴赏 essay e-ssay 散文 shopping shop-ping 购物 gas 气体，煤气，汽油 golf 高尔夫 so far 迄今为止 take place 发生
F
Language points
so far 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 The story took place in a small village. Something strange took place in our school two days ago.
lesson3 Clean Machines
Why are people interested in solar cars? worried about pollution People have been _____ like petrol and gas for a long caused by fuels ________________ time now. Solar cars are ____________, clean and safe so there is a lot of interest in them.
1. Get to know a solar car racer, the safe and clean solar cars, as well as their races. 2. Build the sense of using clean energy efficiently.
Pre-reading
or Language support:
This is our solar car. It is in color of … its weight is … its shape is like … it can reach speed of … It has a beautiful name… , because…
While-reading :
Task 2 Read the text with your partner and find out all the questions about solar cars.
What is a solar car? Why are people interested in solar cars?
Unit 9 lesson3 Clean Machines Solar Car Racing
1. Get to know a solar car racer, the safe and clean solar cars, as well as their races. 2. Build the sense of using clean energy efficiently.
Pre-reading
or Language support:
This is our solar car. It is in color of … its weight is … its shape is like … it can reach speed of … It has a beautiful name… , because…
While-reading :
Task 2 Read the text with your partner and find out all the questions about solar cars.
What is a solar car? Why are people interested in solar cars?
Unit 9 lesson3 Clean Machines Solar Car Racing
Clean Machines PPT课件 北师大版
• so far 迄今为止 • take place 发生
Solar Car Racing
What are the advantages of solar cars?
• use the sun’s energy • do not use petrol, gas or any other fuel • no pollution
• clean and safe
Reading through the text and finish two tasks:
Task 1: Do you know these expressions? Are they different?
• solar car • solar car racing • solar racing car • solar racer
• 试区分： Amy: I’ve read Harry Porter. Betty: I’ve 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 动作（成果）。 我们用现在完成进行时来谈论未完成 的动作。
True or False
• The team has nearly finished building a solar car. F • Marie has written a book about solar cars. F
• Solar cars can work in cloudy weather.
• 从幼儿园起 since kindergarten • 迄今为止 so far 参加，参与 • take part in • 发生 take place • 让我想想 let me think • from northwest to southeast 从西北到东南
高中英语 9.3Clean Machines课件 北师大版必修3
答案:e solar energy 2.80 7.slow 8.reliable
3.40 4.clean
5.safe
6.pollution
Y 预习导引 U XI DAO H 核心归纳 YIN E XIN GU 一 二 三 四 五
五、 指出下列句子所表达的是既定事实还是持续行为,注意各自 的谓语形式
Y 预习导引 U XI DAO H 核心归纳 YIN E XIN GU 一 二 三 四 五
三、阅读课文,选择正确答案
1.Which of the following is TRUE about Marie Logan? A.She is Australian. B.She got interested in solar cars when in kindergarten. C.She began taking part in car races when she was at university. D.She was always the winner in the car races she took part in. 2.The race crossing the whole of Australia . A.can be done within a week B.is longer than the Changjiang River C.is Marie Logan’s favourite because she was once the winner in it D.travels around the country 3.Marie Logan writes the book about solar cars . A.to make a living B.to tell people how to design a car C.to get people to know more about solar cars D.to persuade people to buy solar cars
Clean Machines PPT课件 2 北师大版
1. be worried about 为某事担心，焦虑 2. The whole familywewreerwe owrorrierdiedabaobuotut
his safety. 3. 全家人都为他的安全担心。 4.Whaatraere youwwororrireidedabaobuotut? 5. 你发什么愁？
Helen: She ’_s_b_e_e_n_(wwoorrkki)ng for a computer company but she wants to change her job. She _h_a_s_n_’t_b(neeont
getgtientgonon) well with her boss recently. Mike: There is a vacancy in my office for a
2. so far 到现在为止。常与现在完成时 连用。
They have so far failed to get in touch with the company.
他们一直未能与公司取得联系。
So far this month we have covered ten lessons in our grammar book.
K.P.h.
2. It can be inferred from this text that ___.
A. there is no doubt that solar cars have been more and more polular.
B. you can take a long trip by solar car.
In your opinion , How should we improve the car?
his safety. 3. 全家人都为他的安全担心。 4.Whaatraere youwwororrireidedabaobuotut? 5. 你发什么愁？
Helen: She ’_s_b_e_e_n_(wwoorrkki)ng for a computer company but she wants to change her job. She _h_a_s_n_’t_b(neeont
getgtientgonon) well with her boss recently. Mike: There is a vacancy in my office for a
2. so far 到现在为止。常与现在完成时 连用。
They have so far failed to get in touch with the company.
他们一直未能与公司取得联系。
So far this month we have covered ten lessons in our grammar book.
K.P.h.
2. It can be inferred from this text that ___.
A. there is no doubt that solar cars have been more and more polular.
B. you can take a long trip by solar car.
In your opinion , How should we improve the car?
Unit9lesson3CleanMachines课件北师大必修3
divided 5. n. particular pericohdaoprteervent in
someone's life or in history
chapter
Make sentences
1. from northwest to southeast 2. all the time 3. go up to
While-reading :
How can you persuade them of the advantages of solar cars? Solar cars are getting better _______. They have reached speeds of ______. In tests, one car we built has _______, even in cloudy weather.
While-reading :
True or False?
1. Marie Logan began designing cars when she
was a student.
T
2. She has won most of her races.
F
3. The team has nearly finished building a solar
It has a beautiful name… , because…
Home work:
1. Search for information about clean machines. 2. Finish the design of your solar cars.
Language focus:
1. Get to know a solar car racer, the safe and clean solar cars, as well as their races.
someone's life or in history
chapter
Make sentences
1. from northwest to southeast 2. all the time 3. go up to
While-reading :
How can you persuade them of the advantages of solar cars? Solar cars are getting better _______. They have reached speeds of ______. In tests, one car we built has _______, even in cloudy weather.
While-reading :
True or False?
1. Marie Logan began designing cars when she
was a student.
T
2. She has won most of her races.
F
3. The team has nearly finished building a solar
It has a beautiful name… , because…
Home work:
1. Search for information about clean machines. 2. Finish the design of your solar cars.
Language focus:
1. Get to know a solar car racer, the safe and clean solar cars, as well as their races.
Clean Machines PPT课件 1 北师大版
Talk about the car you know best in your group. The following questions and the key words in Exercise 2 are for your reference.
1. What type of car are you going to talk about? 2. What do you think is the most important to a car? 3. What are the main kinds of fuel used for cars? 4. Is the fuel used for the car you are talking about favorable? 5. What’s the problem with the fuel now?
The more…, the better…?
Test your knowledge about cars.
Name Type Style Energy Advantages Disadvantages
Are you interested in cars? If so, how many different types of cars have you seen or you know about? Talk about cars in your group.
Solar car races were led across the first-day finish line by the Western Washington University's Viking XX, a sleek car under a slanted array of solar cells like a roof of shiny blue tile. The Viking, which reached Stanford with an elapsed driving time of 4 hours, 27 minutes, placed fifth internationally in the World Solar Challenge in Australia last November.
Clean Machine课件
3)What are the advantages or disadvantages of solar cars?m
Grammar: 现在完成时和现在完成进行时
• 试区分： Amy: I’ve read Harry Porter. Betty: I’ve been reading Harry Porter. Q: Who finished reading Harry Porter?
Why are people interested in solar cars? worried People have been _____ about pollution caused by fuels like petrol and gas for a long ________________ time now. Solar cars are ____________, clean and safe so there is a lot of interest in them.
3 about Marie Logan’s favorite solar car race
While-reading :
Task 1: Read and complete
Name: Marie Logan From: Brisbane Interested in cars (when): since kindergarten Began designing car (when): at university Designed solar cars (how many cars): until now five or six different cars so far. How many races: six How many wins: two What have you recently been doing (two): 1. I have been building a new car with a team. We haven’t finished yet. 2. I have been writing the first few chapters of a book to persuade people the advantages of solar cars.
Grammar: 现在完成时和现在完成进行时
• 试区分： Amy: I’ve read Harry Porter. Betty: I’ve been reading Harry Porter. Q: Who finished reading Harry Porter?
Why are people interested in solar cars? worried People have been _____ about pollution caused by fuels like petrol and gas for a long ________________ time now. Solar cars are ____________, clean and safe so there is a lot of interest in them.
3 about Marie Logan’s favorite solar car race
While-reading :
Task 1: Read and complete
Name: Marie Logan From: Brisbane Interested in cars (when): since kindergarten Began designing car (when): at university Designed solar cars (how many cars): until now five or six different cars so far. How many races: six How many wins: two What have you recently been doing (two): 1. I have been building a new car with a team. We haven’t finished yet. 2. I have been writing the first few chapters of a book to persuade people the advantages of solar cars.
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Marie liked best take
Australia from North to
place?
South.
How long did the race take?
6
It did in four days
7 What has Marie been doing recently?
Building a new car with a team from Queensland University.
s
sea
Look at the following picture. What’s it?
Have you ever heard of a solar car? Read the interview. Maybe you will find something special.
Similar to an Indy or Formula One race cars, solar cars do not represent a practical means of transportation. They have limited seating (usually one, sometimes two people), they have very little cargo capacity, and they can only be driven during the day. They do, however, offer an excellent opportunity to develop future technologies that can be applied to practical applications.
The cars are powered by the sun, but the race itself is powered by the organization and dedication of college students. It started with the Stanford Solar Car Project, a loose collection of 40 or so students who have so far built two solar cars with a little faculty advice and a lot of hard work. Graduate student Dave Caditz spearheaded the idea of a race that would zig-zag across California and inspire the public's interest in alternative-powered vehicles.
The more…, the better…?
Test your knowledge about cars.
Nam Type Style Energ Advantage Disadvantage
e
y
s
s
Are you interested in cars? If so, how many different types of cars have you seen or you know about? Talk about cars in your group.
Name Opinion
Suggestions
Good Problem How to Reason
What is a solar car?
If you are really interested in solar car racing, read more about solar car racing.
cHaorws?many races has 4 Marie Logan taken part in?
At university. Six.
Questions/Problems Answers/Solutions
5 Where did the race
It ran across the whole of
The 8th World Solar Challenge will depart Darwin on Sunday 25 September 2005. Scrutineering commences on Thursday 22 September, and most teams spend at least a week in Darwin preparing for departure.
Talk about the car you know best in your group. The following questions and the key words in Exercise 2 are for your reference.
1. What type of car are you going to talk about?
The World Solar Challenge is a celebration of achievement, of courage and the application of scientific knowledge in the field of solar technology. This is the adventure of young people not only dreaming of a safer, smarter, greener world, but of skilled young enthusiasts working to make it a reality.
2. What do you think is the most important to a car?
3. What are the main kinds of fuel used for cars?
4. Is the fuel used for the car you are talking about favorable?
Read to learn about solar car racing.
Solar vehicles representing five college teams left Cal State- Sacramento on Tuesday morning at the start of a sixday, 670-mile race to Los Angeles. They reached Stanford via Vallejo, the San Francisco- Oakland Bay Bridge, a foggy San Francisco and Highway 280.
Solar car races were led across the first-day finish line by the Western Washington University's Viking XX, a sleek car under a slanted array of solar cells like a roof of shiny blue tile. The Viking, which reached Stanford with an elapsed driving time of 4 hours, 27 minutes, placed fifth internationally in the World Solar Challenge in Australia last November.
5. What’s the problem with the fuel now?
Have you got any idea to improve a car? Speak it out and share it with your friends.
Nam e of the car
Condition Problem Your
8 What else has Marie
been doing?
9
What’s the main problem with solar cars?
Writing a book about solar cars
They are too slow or unreliable.
What do you think of the solar racing car? Would you like to have a try to design one of your own? Improve your former design.
Known as the ‘BrainSport’ of our time, the World Solar Challenge entrants will traverse more than 3,000km of the Australian continent from tropical Darwin to balmy Adelaide, in cars powered by nothing more than the sun
Solar Car
A solar car is a light weight, low power vehicle designed and built with a single purpose in mind racing (or "raycing", a combination of "race" and "ray" from the sun).
Read the interview to learn about the solar car racing and remember to collect information.