Unit 9 Lesson 3 Clean Machines
Unit 9 Lesson 3 Clean Machines导学案
Learning aims: To read the article and understand the main points.
To compare and practice using the Present Perfect and Present Perfect
Continuous tenses.
Background: The Solar Super Car Challenge race is a 4,ooo km transcontinental race from Perth to Sydney. Other big races take place in the USA and Japan. Cars are usually designed and entered by university science and engineering departments.
使用说明：1.借助导学案，充分预习课文。
2.认真书写，独立完成，规范做答，按时上交。
第一课时
Ⅰ. Vocabulary
Task 1. Work out the meaning of the words from the text.
★petrol, gas, power, kindergarten, chapter, impression, sunlight, northwest, southeast, golf, racer
★solar, reliable, average, all the time, go up, appreciate
Ⅱ.Reading
Task 4.Read the passage and circle the best answers.
1.If the weather is bad, there is no sun
A. you can’t use solar car.
B. you have to use petrol in solar car.
C. y ou can use solar car.
D. you must slow down the speed at 40 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.
C. solar cars are cheap, clean and safe.
D. Marie Logan is a professor from Greensland University.
3. All the facts are mentioned except for___.
A. Solar cars will not pollute the environment.
B. a lot of people haven’t realize the potential of solar cars.
C. solar cars speed is becoming faster.
D. solar cars shapes are special.
Task 5.Read the interview about solar cars. Are these statements true or false?
1 .M arie Logan began designing cars when she was a student.
2. She has won most of her races.
3. The team has nearly finished building “Rainbow”.
4. Marie has written a book about solar cars.
5. Solar cars can work even in cloudy weather.
第二课时
Ⅲ. Language points
1.be worried about 为某事担心，焦虑
例.The whole family were worried about his safety.
What are you worried about?
2.so far到现在为止。常与现在完成时连用。
例.They have so far failed to get in touch with the company.
So far this month we have covered ten lessons in our grammar book.
3.persuade …of 使信服某事。
例.She was not persuaded of the truth of his statement.
He managed to persuade us of the workability of the plan; now we had to persuade the boss.
persuade sb. to do sth.劝说某人做某事
例.The salesman persuaded us to buy his product
4. reach 达成，达到;延伸;伸手够
例.The cost of the war reached billions of dollars.
No agreement was reached between the two nations.
The woods reach as far as the river.
Can you reach the top shelf?
5. appreciate 1）感激，感谢，后接名词或动词-ing（短语）作宾语，如：
I appreciate your help very much.
I appreciate your driving me to the airport.
2）欣赏，赏识，如：
His new discovery wasn’t highly appreciated then.
3)常用句型：I would appreciate if you …..（从句的谓语动词多用一般过去
时）“如果你。。。。我将不胜感激”如：
I would appreciate if you could come to my wedding.
Grammar
Study Grammar Summary 6 on page 94. Then do the exercise 7, 8.
达标检测
Task 1. Best Choice
1. More patients ____ in hospital this year than last year.
A. treated
B. had been treated
C. has been
D. have been treated
2. 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 been
3. 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 reached
4. How can you possibly miss the news? It ____ on TV all day long.
A. has been
B. had been
C. was
D. will be
5. - ____ 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; get
6. – 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 painted