Module 9 Great inventions Unit 2（ppt课件）-2023新外研版九年级下册《英语》.ppt

1、Module 9 Great inventions学习目标 ：掌握本单元的重点单词和知识点 让学生了解重大发明的优点和缺点 根据本文内容进行有关话题的写作Do you know four great inventions in ancient China?compassgunpowderpapermakingprintingcompasspapermakinggunpowderprintingFour great inventions in ancient Chinamake a great contribution(贡献贡献)to usWith the development of tech

2、nology,more and more modern inventions were invented by people.What modern inventions do you know?mobile phonedigital cameraTVfridgebike/bicyclemotorbikecarwashing machinerobotcomputerOur lives have been changed by these modern inventions.Lots of old things were replaced by these modern inventions.I

3、n the past,we mainly got information from paper books.Now,we mainly get information from the Internet.WillWill books books be replacedbe replaced by the Internet?by the Internet?para1 para2 para3 para4 para5 A.The world after the invention of printingB.Life with paper and printing.C.Technology and b

4、ooksD.The future of booksE.The world before printed books.Read the passage quickly and match the main ideas with the paragraphsStep 1.Life with paper and printingTimePeopleWhat to doEvery morningHis fatherEvery eveningHis motherEvery dayand nightThe writerbuys a newspaper on his way to worklooks thr

5、ough magazines at homeopens his books and starts his lessons,looks at the photos of David Beckham and Yao Ming before going to sleepStep.2 Read the first part and finish the tasks 1.Lots of people could learn to read before 2000 years ago.2.Books were only produced one at a time by hand in the past.

6、3.The printing was invented in Egypt.4.Knowledge and ideas spread quickly after printing was invented.Read para2 and 3,check T or FStep 3 Read part 2 and part 3 and finish the tasks FTFTCompare paper with printingwhenlaterAs a resultIt was created about 2000 years ago in China.It was invented in Chi

7、na during the Sui and Tang Dynasties.Books were only produced one at a time by hand.Books were produced more quickly and cheaplyThere were not many books and they were expensive.Few people learned to read.More people learnt to read.Knowledge and ideas spread faster.1.A large amount of information_in

8、 more varied forms.2.Information can _ much more easily.3.It is _ and _ than a single book.What are the advantages of the Internet?(Read para4)can be stored be found smallerlighter Read the fourth and last part and finish the tasksStep44.Computer and Internet _ in classrooms now.5.Newspaper and maga

9、zines _ _online.are usedare readWhat else can you do on the Internet?Shopping onlinesee filmschat with friendslisten to the musicInternet makes our life better.WillWill books books be replacedbe replaced by the Interne by the Internet tDiscuss advantages and disadvantages of books and Internet in yo

10、ur group AdvantagesDisadvantages1.cheap2.easy to use 3.light to carry1.take up space2.use trees and pollute our environment 1.get the latest news2.store much more information1.expensive2.waste electricity3.be bad for eyesWill books be replaced by the Internet?Wait and see.We must accept that modern

11、inventions make our life much better and play an important part in our everyday life,but they also have a bad influence on us.What do you think of this phenomenon（现象）（现象）?Is it good or bad?Why?DiscussionPlease rememberPlease remember:1.Dont depend too much on modern inventions.2.Sometimes we must pu

12、t down our mobile phones and get close to nature and our parents,friends.3.We must make full use of(充分利用)modern inventions and let us become the owner of them.网络正逐渐走进我们的生活，而其利弊也都不同程度地显现了出来。请以Advantages and Disadvantages of the Internet 为题，写一篇80字左右的短文。要点提示:优点 1.我们能够从网络上得到各种各样的信息。2.网络能够储存很多信息。store(储存)3.网络能帮助我们学习。缺点 1.浪费电 2.对我的眼睛有害 3.用起来很贵 properly(适当的）你的观点 The Internet goes into our life,but Writing: