Unit3 The World of Science Using language（ppt课件）-2022新外研版（2019）《高中英语》必修第三册.pptx

1、THE WORLD OF SCIENCEB3M3Great Inventions-Using languageLook at the sentences from the reading passage andanswer the questions.a.I guess you have been asked about the title of yourbook before.b.New inventions like 3D printers have been used tomake replacement hearts and bone parts.1.What has happened

2、 to“you”in sentence(a)?2.Who has used new inventions to make replacement hearts and bone parts in sentence(b)?Grammar:Present perfect passiveCompare them with the following sentences and answer the questions.c.I guess someone has asked you about the title ofyour book before.d.People have used new in

3、ventions like 3D printers tomake replacement hearts and bone parts.3.What is the difference between the two groups ofsentences?4.Why does the author choose to use the passive forminstead of the active form in the reading passage?Grammar:Present perfect passiveGrammar:Present perfect passive4.Why doe

4、s the author choose to use the passive forminstead of the active form in the reading passage?Compare them with the following sentences and answer the questions.The author chooses to use the passive form instead of the active form to emphasise what has been done,rather than who or what does the actio

5、n.以下情况一般使用被动语态以下情况一般使用被动语态Grammar:Present perfect passive1.不知道或者没有必要说明动作的执行者是谁。例如不知道或者没有必要说明动作的执行者是谁。例如：Such books have been written for children.（已经为儿童编写这类图书了。）（已经为儿童编写这类图书了。）2.强调动作的承受者，而不强调动作的执行者。例如：强调动作的承受者，而不强调动作的执行者。例如：All these products have been tested.（这些产品都经过测试了。这些产品都经过测试了。）Grammar:Present

6、perfect passive3.动作的执行者很模糊。例如：动作的执行者很模糊。例如：The letter has been opened.（这封信被人拆开了。这封信被人拆开了。）4.有时为了礼貌的需要，避免说出动作的执行者。例如：有时为了礼貌的需要，避免说出动作的执行者。例如：They have been told many times not to make noises.（已经有人多次跟他们说别那么大声了。已经有人多次跟他们说别那么大声了。）以下情况一般使用被动语态以下情况一般使用被动语态Rewrite the underlined parts using the present per

7、fect passive.Grammar:Present perfect passiveWithin the next 80 years,our lives may be changed beyond recognition by 3D printing.It has already affected many things in our lives,right down to the food we eat.For instance,some restaurants in London have served 3D-printed hamburgers to customers.But pe

8、rhaps the most significant success that people have achieved to date is in medicine.They have made human body parts,including a beating heart,with 3D printing technology.And it is not just humans who are benefiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fi

9、re!Grammar:Present perfect passiveWithin the next 80 years,our lives may be changed beyond recognition by 3D printing.It has already affected many things in our lives,right down to the food we eat.For instance,some restaurants in London have served 3D-printed hamburgers to customers.But perhaps the

10、most significant success that people have achieved to date is in medicine.They have made human body parts,including a beating heart,with 3D printing technology.And it is not just humans who are benefiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fire!Many th

11、ings in our lives have already been affected,3D-printed hamburgers have been served to customers in some restaurants in London.But perhaps the most significant success that has been achieved to date is in medicine.Grammar:Present perfect passiveWithin the next 80 years,our lives may be changed beyon

12、d recognition by 3D printing.It has already affected many things in our lives,right down to the food we eat.For instance,some restaurants in London have served 3D-printed hamburgers to customers.But perhaps the most significant success that people have achieved to date is in medicine.They have made

13、human body parts,including a beating heart,with 3D printing technology.And it is not just humans who are benefiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fire!Human body parts,including a beating heart,have been made with 3D printing technology.Grammar:Pr

14、esent perfect passiveWithin the next 80 years,our lives may be changed beyond recognition by 3D printing.It has already affected many things in our lives,right down to the food we eat.For instance,some restaurants in London have served 3D-printed hamburgers to customers.But perhaps the most signific

15、ant success that people have achieved to date is in medicine.They have made human body parts,including a beating heart,with 3D printing technology.And it is not just humans who are benefiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fire!A new 3D-printed she

16、ll has been given to a turtle injured in a forest fire!Imagine you are Dr Moore.Look at the pictures and tell the police about the damage and loss to your lab.Use the present perfect passive where appropriate.Grammar:Present perfect passiveGrammar:Present perfect passive1.The lock on the door has be

17、en broken.2.The window has been broken.3.My two laptops have been stolen.4.Beakers and test tubes have been destroyed.5.The book case has been opened,and some files have been taken away while others have been thrown everywhere.6.The robot has been damaged.IICareers in scienceVocabulary building:Word

18、 formationLook at the pictures and answer the questions.1.What do you know about these careers?2.What famous scientists can you name in these fields?Vocabulary building:Word formation 1.What do you know about these careers?l A physicist is a person who does research connected with physics or who stu

19、dies physics.l A mathematician is a person who is trained in the study of numbers and calculations.l A chemist is a person who does research connected with chemistry or who studies chemistry.Vocabulary building:Word formationl An astronomer is a scientist who studies the stars,planets,and other natu

20、ral objects in space.l A geographer is a person who studies geography or is an expert in it.l A biologist is a person who studies or works in the field of biology.Vocabulary building:Word formation2.What famous scientists can you name in these fields?Albert EinsteinZu ChongzhiCopernicusVocabulary bu

21、ilding:Word formation Learning to learnWords about different careers in science can be formed by adding-er,-ist or-ian at the end of the words about subjects,eg biology-biologist.Noun.-ist Noun.-iansciencescientistartnovelpianosocietyartistnovelistpianistsocialistlibrarycomedyphysichistorymusiclibra

22、riancomedianmusicianphysicianhistorianVocabulary building:Word formationComplete the introductions about different scientistswith the words in Activity 4.Pay attention to the language that describes their careers.Guo Shoujing(1231-1316)was a famous Chinese 1._ of the Yuan Dynasty.He invented twelve

23、new instruments to study stars and planets.He also developed a calendar which is as accurate as the Gregorian calendar.A mountain on the Moon and a minor planet are named after him.astronomerVocabulary building:Word formationBritish 2._ Charles Darwin(1809-1882)is best known for his work On the Orig

24、in of Species,in which he explains changes in species due to natural selection.His ideas deeply influence our understanding of the relationship between humans and nature.biologist Vocabulary building:Word formationLi Daoyuan(CA 466-527)was a famous writer and 3._ of the Northern Wei Dynasty.He did f

25、ield research across China and studied more than a thousand rivers and streams,along with the landscape,history and culture of the surrounding areas.geographer Vocabulary building:Word formationMarie Curie(1867-1934)was a world-famous 4._ and was first awarded the Nobel Prize in 1903 for her extraor

26、dinary work on radioactivity.She was also regarded as a brilliant 5._,and was again awarded the Nobel Prize in 1911 for the isolation of pure radium.physicistchemistVocabulary building:Word formationChen Jingrun(1933-1996)was one of the worlds leading 6._.His work on Chens Theorem made an important

27、advance towards proving Goldbachs Conjecture,the greatest unsolved problem in number theory.mathematician Work in pairs.Talk about careers in science that interests you most.Vocabulary building:Careers in ScienceInvention stories1.What is Alzheimers/ltsam/disease?2.Who are the common Alzheimer patie

28、nts?3.Is it curable?4.What are scientists trying to deal with it?5.Do you know any inventions related to it?Pre-listeningTake a look at the picture and predict what the listening material will tell.abcdeActivity 7 P31 Listen to the conversation and number the pictures in the correct order.abcde43512

29、Activity 8 Listen again and complete the notes.1.a pair of socks designed for people with Alzheimers disease2.a student from New York 3.His grandfather4.A warning 5.stepped on the floorActivity 9 Work in pairs.Act out the conversation about the invention of the telephone.Student A:Turn to Page 82.Student B:Turn to Page 85.