Unit 9 《Lesson 3 Clean Machines》课件(北师大版必修3)

1、Guessing Game:Do you know their favorite cars?,Lead in,Chairman Mao,Last American president,UN secretary-general Ban Ki-Moon,solar car,Scientists have been making solar cars for over twenty years. They have made solar cars that go up to 80 k.p.h. !,Lead in,solar cars,reach,kilometers per-hour,Solar

2、Car Racing,Unit 9 lesson3 Clean Machines,Objectives,By the end of this period, you will be able to: 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,Discussion:why do people invent solar cars?,1

3、.use the power of sunlight,2.do not use petrol, gas or any other fuel, no pollution,3.clean and safe,Listen and Read How many things did the interviewer want to know about? What are they?,1 about a solar racer - Marie Logan 2 about solar cars about Marie Logans favorite solar car race,While-reading

4、:,Name: Marie Logan From: Interested in cars (when): Began designing car (when): Designed solar cars (how many cars): How many races: How many wins: What have you recently been doing (two):,While-reading :,Task 1: Read and completeSolar Car Racers Resume (简历),Brisbane,since kindergarten,five or six

5、different cars so far.,six,two,at university,I have been building a new car with a team. We havent finished yet. 2. I have been writing the first few chapters of a book to persuade people the advantages of solar cars.,until now,True or False?,1. Marie Logan began designing cars when she was a studen

6、t. 2. She has won most of her races. 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.,F,T,T,F,F,While-reading :,Task 2 Read the text with your partner and find out all the questions about solar cars.,Wh

7、at is a solar car? Why are people interested in solar cars? A lot of people think that solar cars are too slow or not very reliable. How can you persuade them of the advantages of solar cars?,While-reading :,can be trusted,What is a solar car? Solar cars are cars that use _. They do not use _, _, _.

8、,While-reading :,Why are people interested in solar cars? People have been _ about pollution caused by _ for a long time now. Solar cars are _, so there is a lot of interest in them.,petrol,or any other fuel,gas,the suns energy for power,fuels like petrol and gas,worried,clean and safe,How can you p

9、ersuade 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 :,all the time 80 k.p.h. averaged over 40 k.p.h.,Discussion,What effect can solar cars have on our life ? If you were

10、scientists, what else would you like to do to protect our environment?,While-reading :,October 21st 2005 Sunny,Task 3 We found Maries Diary of her favorite race, but some parts are unclear. Read the text and complete the diary.,Tomorrow, this years World Solar Car Challenge will take place. Racers f

11、rom the world have reached Australia for days. We have been talking about the great journey- about 4500km long cross the whole of Australia from northwest to southeast! The different shaped solar cars left us a good impression. Several days later, we will know the winner!,While-reading :,take place,

12、Racers,northwest to southeast,impression,happen,people who join the race,the way Sth. appears to you,Look at these solar cars and design your own solar car with a group of four. Give it a beautiful name!,Name Unknown Zhongshan University 中山大学无名,Think of the Source ShangHai Transport University 上海交大思

13、源号,Sun Dancer Tsinghua University 清华“追日”号,Post-reading :,Question support: What does your solar car look like? Whats the speed? What material will be used? What do you want to express through its name?,or Language support: This is our solar car. It is in color of its weight is its shape is like it c

14、an reach speed of It has a beautiful name , because,Post-reading :,Home work:,1. Search for information about clean machines. 2. Finish the design of your solar cars.,Group Competition,Language focus:,A,B,C,D,E,F,G,H,Error Correction,My mother has been ill for five months. Im really worried of her.

15、2. I average five cups of coffee a day. 3. I am still not fully persuaded about the plans advantages.,T,about,of,Translation,1. 全家人都为他的安全担心。 2. 他们一直未能与公司取得联系。 他说服我们相信了这个计划的可行性。,They have so far failed to get in touch with the company.,The whole family were worried about his safety.,He managed to per

16、suade us of the workability of the plan.,Guess Words,n. a kind of fuel that is used to supply power to the engine of cars n. someone who competes in a race n. a school for children aged two to five n. one of the parts into which a book is divided n. particular period or event in someones life or in

17、history,petrol,racer,kindergarten,chapter,chapter,Make sentences,1. from northwest to southeast 2. all the time 3. go up to,Fill in blank,1. The p_ has run out, so he couldnt get his motorbike started. 2. In summer wed better wear sunglasses to protect our eyes from strong s_. 3. Her child is three

18、years old now and is old enough to go to k_. 4. Earth is one of the planets in the s_ system. 8. The train pulled out and ran in the direction of _(西北).,northwest,petrol,sunlight,kindergarten,solar,Multiple choice,1. _ with average children, some children learn to speak and read and write when they are very young. A. Shared B. Compared C. Related D. Addicted 2. John is very _. If he says hell do something he will. A. generous B. responsible C. reliable D. noble,C,B,Fill in blanks,Ben has started a new c_ in his life. He has brought a s_ p