外研版 (2019)必修 第三册Unit 3 The world of science说课课件ppt

这是一份外研版 (2019)必修 第三册Unit 3 The world of science说课课件ppt，共23页。PPT课件主要包含了biologist，geographer，chemist，physicist，c b d a e，完成课后相关练习等内容，欢迎下载使用。
1 Lk at the sentences frm the reading passage and answer the questins.
Using language
Present perfect passive
a I guess yu have been asked abut the title f yur bk befre. b New inventins like 3D printers have been used t make replacement hearts and bne parts.
1 What has happened t “yu” in sentence (a)? 2 Wh has used new inventins t make replacement hearts and bne parts in sentence (b)?
Cmpare them with the fllwing sentences and answer the questins.
c I guess smene has asked yu abut the title f yur bk befre. d Peple have used new inventins like 3D printers t make replacement hearts and bne parts.
3 What is the difference between the tw grups f sentences?4 Why des the authr chse t use the passive frm instead f the active frm in the reading passage?
Nw lk fr mre sentences with the present perfect passive in the reading passage.
2 Rewrite the underlined parts using the present perfect passive.
Within the next 80 years, ur lives may be changed beynd recgnitin by 3D printing. It has already affected many things in ur lives, right dwn t the fd we eat. Fr instance, sme restaurants in Lndn have served 3D-printed hamburgers t custmers. But perhaps the mst significant success that peple have achieved t date is in medicine. They have made human bdy parts, including a beating heart, with 3D printing technlgy. And it is nt just humans wh are benefiting - in Brazil, peple have given a new 3D-printed shell t a turtle injured in a frest fire!
3 lmagine yu are Dr Mre. Lk at the pictures and tell the plice abut the damage and lss t yur lab. Use the present perfect passive where apprpriate.
Careers in science
4 Lk at the pictures and answer the questins.
1 What d yu knw abut these careers?2 What famus scientists can yu name in these fields?
Wrds abut different careers in science can be frmed by adding -er, -ist r -ian at the end f the wrds abut subjects, eg bilgy - bilgist.
Learning t learn
5 Cmplete the intrductins abut different scientists with the wrds in Activity 4. Pay attentin t the language that describes their careers.
Gu Shujing (1231-1316) was a famus Chinese 1_______________f the Yuan Dynasty. He invented twelve new instruments t study stars and planets. He als develped a calendar which is as accurate as the Gregrian calendar. A muntain n the Mn and a minr planet are named after him.
British 2____________Charles Darwin (1809-1882) is best knwn fr his wrk On the Origin f Species, in which he explains changes in species due t natural selectin. His ideas deeply influence ur understanding f the relatinship between humans and nature.
Li Dayuan (ca 466-527) was a famus writer and 3_____________ f the Nrthern Wei Dynasty. He did field research acrss China and studied mre than a thusand rivers and streams, alng with the landscape, histry and culture f the surrunding areas.
Marie Curie (1867-1934) was a wrld-famus 4___________，and was first awarded the Nbel Prize in 1903 fr her extrardinary wrk n radiactivity. She was als regarded as a brilliant 5 ___________， and was again awarded the Nbel Prize in 1911 fr the islatin f pure radium.
Chen Jingrun (1933-1996) was ne f the wrld’s leading 6______________. His wrk n Chen’s Therem made an imprtant advance twards prving Gldbach’s Cnjecture, the greatest unslved prblem in number thery.
6 Wrk in pairs. Think abut ther careers in science and discuss what interests yu mst.
I’m interested in the wrk f a(n)... because…
mathematician
Inventin stries
Alzheimer’s disease is a brain disrder that causes prblems with memry, thinking and behaviur.
7 Listen t the cnversatin and number the pictures in the crrect rder.
8 Listen again and cmplete the ntes.
What is it?
Wh was it invented by?
It’s 1___________________________________________________________.
It was invented by 2_________________________called Kenneth.
a pair f scks designed fr peple with Alzheimer’s disease
a student frm New Yrk
Wh inspired the inventin?
3__________________, wh has Alzheimer's.
Hw des it wrk?
4__________________ is sent t a mbile phne like an alarm when the persn with it 5____________________.
His grandfather
gets ut f bed
Nw talk abut hw the speakers describe the stry behind an inventin. Listen again if necessary.
9 Wrk in pairs. Act ut the cnversatin abut the inventin f the telephne.Student A：Turn t Page 106. Student B：Turn t Page 110.
10 Wrk in pairs. Chse anther stry f an inventin yu knw and have a similar cnversatin.
Exclamatry sentences express strng emtins, such as surprise, shck, jy, emphasis and excitement. These are usually frmed with what r hw, and in written frm usually end with an exclamatin mark.