Unit 3 Lesson 3 Grammar and usage课件（2020）新牛津译林版高中英语选择性必修第二册.pptx

1、Unit 3 Fit for lifeGrammar and usageStep 1 Warming upRead part A on page 34 and answer the following questions.1) How did the girl feel at the beginning when she was equipped with an artificial hand?2) What has the author been doing since she got her new hand?3) What does the author feel about the r

2、obotic hand in the end?Step 1 Warming up1) How did the girl feel at the beginning when she was equipped with an artificial hand?2) What has the author been doing since she got her new hand?3) What does the author feel about the robotic hand in the end?Suggested answer: She felt it did not feel like

3、part of her.Suggested answer: She has been cooking for her family again.Suggested answer: She is so grateful for all the new possibilities her robotic hand has opened up.Step 2 Exploring and working out the rules 1. Scientists have been making great progress in robotic technology in recent years,. 2

4、. . I have been testing out the limits of what I can do with my new hand, . 3. ., I have been cooking for my family again since I got my new hand. Finish the table in part A.Step 2 Exploring and working out the rules We use the present perfect continuous tense to talk about an action that started in

5、 the past and isStill continuing now, or an action that has just finished but is still connected with (1)_ (the past/the present/the future) in some way. The verb form of the present perfect continuous tense is “(2)_”. Working out the rulesthe presenthas/have been doing1) I _ (reflect) on the articl

6、e I read about ancient medicine all day.2) I _ (wait) for two hours to see the doctor but it is still not my turn yet.3) My mother _ (write) a report on the new treatment all morning. She hopes to finish it tonight.4) The company _ (make) herbal medicines for more than 100 years.5) Scientists _ (do)

7、 research on the disease since it was first discovered in the early 20th century.have been reflectinghave been waitinghas been writinghave been doinghas been makingB1 Complete the sentences with the correct forms of the verbs in the brackets.Step 3 Applying the rules Step 3 Applying the rules B2 Bel

8、ow is an article about robotic limbs. Circle the correct expressions to complete it.(1) has been estimated (2) have been hoping for (3) have been developing (4) have only served (5) have been doingAnswer the following questions:Step 3 Applying the rules 1) What have scientists have been developing t

9、o help physically disabled people overcome their disabilities?Suggested answer: New kinds of robotic limbs.2) With the advancement in robotic technology, what can artificial limbs do?Suggested answer: Artificial limbs can now perform much more complex tasks and come closer to real human life. 3) Wha

10、t does David Jones hope for?Suggested answer: He hopes more and more people in need of robotic limbs will be equipped with them and enjoy a higher quality of life.Step 4 Role-play interviewingMake interview according the article bout robotic limbs.Step 4 Role-play interviewingB3 A student is intervi

11、ewing David Jones about the research his team has been doing. In pairs, role-play the interview using the present perfect continuous tense. The beginning has been given.Student: What have you been doing, Dr Jones?David Jones: We have been developing.Step 4 Role-play interviewingLets Share!Step 4 Rol

12、e-play interviewingSample answerStudent: What have you been doing, Dr Jones?David Jones: We have been developing even better robotic limbs than those available at the moment.Student: Is it difficult to develop the new robotic technology?David Jones: Yes. Our team of scientists have been devoting mos

13、t of their time to the project and we have been doing everything we can to advance this technology.Student: Thats great! Why is this technology important to you personally?Step 4 Role-play interviewingSample answerDavid Jones: Because my goal is to equip as many people as possible who need robotic l

14、imbs and help them enjoy a higher quality of life. For these reasons, we will not take out a patent on the technology, so it will be available to anyone who needs it. We have been spreading the news about our technology all over the world.Homework1. Search the information related to the robotic things online .2. Complete part C of the workbook on page 70.