1、Using languagePresent perfect passiveLook at the sentences and answer the questions.a I guess you have been asked about the title of your book before.b New inventions like 3D printers have been used to make replacement hearts and bone parts.1.What has happened to“you”in sentence(a)?2.Who has used ne
2、w inventions to make replacement hearts and bone parts in sentence(b)?Activity 1Present perfect passiveCompare and answer the questions.c I guess someone has asked you about the title of your book before.d People have used new inventions like 3D printers to make replacement hearts and bone parts.3.W
3、hat is the difference between the two groups of sentences?4.Why does the author choose to use the passive form instead of the active form in the reading passage?a I guess you have been asked about the title of your book before.b New inventions like 3D printers have been used to make replacement hear
4、ts and bone parts.Activity 1The 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 action.Translate这个实验做得很成功。The experiment has been done successfully.（肯定句）（肯定句）汤姆的小说还没有被出版。Toms novel has not been published.（否定句）（否定句）他的自
5、行车修好了吗?Has his bike been repaired?（一般疑问句）（一般疑问句）谁受到了邀请?Who has been invited?（特殊疑问句）（特殊疑问句）Present perfect passive以下情况一般使用被动语态：以下情况一般使用被动语态：1.不知道或者没有必要不知道或者没有必要说明动作的执行者是谁。例如：这类图书是为儿童编写的。Such books have been written for children.2.强调动作的承受者承受者，而不强调动作的执行者。例如：这些产品都经过测试了。All these products have been teste
6、d.Present perfect passive以下情况一般使用被动语态：以下情况一般使用被动语态：3.动作的执行者很模糊动作的执行者很模糊。例如：这封信被人拆开了。The letter has been opened.4.有时为了礼貌的需要礼貌的需要，避免说出动作的执行者。例如：已经有人多次跟他们说别那么大声了。They have been told many times not to make noises.Present perfect passiveRewrite the underlined parts using the present perfect passive.Withi
7、n 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 significant success that people ha
8、ve 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!Activity 2Present perfect passiveRewrite the u
9、nderlined parts using the present perfect passive.Within 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.
10、But perhaps 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 for
11、est fire!Activity 2Many things in our lives have already been affected,Present perfect passiveRewrite the underlined parts using the present perfect passive.Within 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
12、 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 human body parts,including a beating heart,with 3D printing technology.And it is not jus
13、t humans who are benefiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fire!Activity 23D-printed hamburgers have been served to customers in some restaurants in London.Present perfect passiveRewrite the underlined parts using the present perfect passive.Within
14、 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 significant success that people hav
15、e 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!Activity 2But perhaps the most significant succ
16、ess that has been achieved to date is in medicine.Present perfect passiveRewrite the underlined parts using the present perfect passive.Within 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.F
17、or 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 human body parts,including a beating heart,with 3D printing technology.And it is not just humans who are bene
18、fiting in Brazil,people have given a new 3D-printed shell to a turtle injured in a forest fire!Activity 2Human body parts,including a beating heart,have been made with 3D printing technology.Present perfect passiveRewrite the underlined parts using the present perfect passive.Within the next 80 year
19、s,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 significant success that people have achieved to dat
20、e 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!Activity 2A new 3D-printed shell has been given to a turtle inju
21、red in a forest fire!Present perfect passiveImagine 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.Activity 3Present perfect passiveActivity 3The window has been broken.My two laptops have been stolen.
22、Beakers and test tubes have been destroyed.The bookcase has been opened,and some files have been taken away while others have been thrown everywhere.The robot has been damaged.The lock on the door has been broken.Careers in scienceWhat do they do?physicistmathematicianchemistastronomergeographerbiol
23、ogistActivity 4Careers in scienceWhat do you know about these careers?A physicist is a person who does research connected with physics or who studies physics.A mathematician is a person who is trained in the study of numbers and calculations.A chemist is a person who does research connected with che
24、mistry or who studies chemistry.An astronomer is a scientist who studies the stars,planets,and other natural objects in space.A geographer is a person who studies geography or is an expert in it.A biologist is a person who studies or works in the field of biology.Activity 4Careers in scienceWhat fam
25、ous scientists can you name in these fields?Albert EinsteinZu ChongzhiCopernicusActivity 4Learning to learnWords about different careers in science can be formed by adding-er,-ist or-ian at the end of the words about subjects,e.g.,biology-biologist.Noun.-istNoun.-iansciencescientistartnovelpianosoci
26、etyartistnovelistpianistsocialistlibrarycomedymagichistorymusiclibrariancomedianmusicianmagicianhistorianCareers in scienceGuo Shoujing(1231-1316)was a famous Chinese 1._ of the Yuan Dynasty.He invented twelve new instruments to study stars and planets.He also developed a calendar which is as accura
27、te as the Gregorian calendar.A mountain on the Moon and a minor planet are named after him.astronomerBritish 2._ Charles Darwin(1809-1882)is best known for his work On the Origin of Species,in which he explains changes in species due to natural selection.His ideas deeply influence our understanding
28、of the relationship between humans and nature.biologist Activity 5Careers in scienceCareers in scienceLi Daoyuan(CA 466-527)was a famous writer and 3._ of the Northern Wei Dynasty.He did field research across China and studied more than a thousand rivers and streams,along with the landscape,history
29、and culture of the surrounding areas.geographer Marie Curie(1867-1934)was a world-famous 4._ and was first awarded the Nobel Prize in 1903 for her extraordinary 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 radi
30、um.physicistchemistActivity 5Careers in scienceCareers in scienceChen Jingrun(1933-1996)was one of the worlds leading 6._.His work on Chens Theorem made an important advance towards proving Goldbachs Conjecture,the greatest unsolved problem in number theory.mathematician Activity 5Careers in science
31、Careers in scienceWork in pairs.Talk about careers in science that interests you most.Im interested in the work of a(n)becauseActivity 6Useful expressions完全改变了模样最为知名的自然选择田野调查周围区域分离；隔离世界一流的数学家取得进步未解决的问题beyond recognitionbe best known fornatural selectionfield researchsurrounding areasthe isolation ofthe worlds leading mathematicianmake an advance towards(doing)sth.unsolved problemin isolation from sb./sth.单独的；孤立的
