2022新外研版(2019)《高中英语》必修第三册第三单元developing ideas (ppt课件).ppt

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1、Unit 3 The world of scienceDeveloping ideaslearning aims1.Understand the main idea of the passage and get some detailed information.2.Get the features of argumentation and find out the structure of the passage.3.To develop our critical thinking and have clear judgements.Background informationBenjami

2、n Franklin(17061790)was one of the Founding Fathers of the United States and helped draft the Declaration of Independence.Apart from being a successful statesman,he was also well known as a leading American author,printer and publisher,successful diplomat,creative scientist and inventor.Franklins Ex

3、periment:How much is true?1.What is the function of the Question mark?The author is not sure about the answer.2.What is the type of the passage?narration/argumentation/exposition/advertisement3.Look through Learning to Learn part and predict what the essay focus on.How much is true about Franklins e

4、xperiment.a discussing point,evidence,clear logic1.Read the passage quickly and get the main idea of each paragraph.para1 The story may be fiction instead of fact.para2 How the experiment is carried out.para3 For many years,schools have taught the story.para4 Neither the story nor the details of the

5、 experiment are entirely true.pay attention to the first and the last sentence.para5 Scientists often question ideas because they want to establish the facts.para6 We should not always believe everything we read or hear-even if it is a great story.IntroductionThe effectAre the story of Franklins and

6、 Newtons true?2.Number the statements to show how peoples attitudes towards Franklins experiment have changed.Franklins spirit of scientific exploration is still considered an inspiration.People are amazed at and inspired by Franklins experiment.Scientists question what really happened in Franklins

7、experiment.3123.What is the effect of the experiment?A.It has introduced generations of children to science.B.It proved that lightning is a form of electricity.C.It is important to establish the truth.D.All of above.4.Why do scientists question accepted ideas?A.To find what took place.B.To prove wha

8、t is true.C.To establish the facts.D.To inspire people to do scientific exploration.5.What does the author think have more inspired people?A.The story of Scientists experiments.B.The result of Scientists experiments.C.The scientists spirit of scientific exploration.D.The fact of scientific explorati

9、on.Read the passage again and finish the context.New research suggests that the story(1)_Franklins famous experiment with lightning may be fiction instead of fact.More than one generation of school children has been amazed by his bravery and his(2)_(science)approach to(3)_(look)for the truth.However

10、,neither the story nor the details of the experiment are entirely true.Although it has been proved that Franklins experiment(4)_(take)place,more than one scientist has questioned what really happened.(5)_ detail about the string and the key is true.But(6)_(science)all agree that if he had(7)_(actual

11、)touched the key,he would certainly have died from the electric shock.Fiction is(8)_(interesting)than the truth.People have been more inspired by Franklins spirit of scientific(9)_(explore)than by the facts themselves.But in science,facts should be proved(10)_ experiments and research.thatscientific

12、lookingtookThescientistsactuallymore interestingexplorationbywhats your understanding of the sentence We should not always believe everything we read or hear?Seeing is believing.Make notes about your understanding of the saying and list supporting details and then give a talk about it.Your understan

13、dingSupporting detailsFrom the passage we can learn.Some parts of the stories are true,and someare not,because they dont follow the common sense.However,the scientists spirit of scientificexploration is what mostly matters.useful expressionsfly a kite 放风筝be attached to 被系到.上get an electric shook 遭到点

14、击a form of .的一种形式neither.nor.既不.也不.It is proved that.已经被证实.even if 即使language points1.People wanted to know if lightening was really produced by electrcity or something else.2.But scientists all agree that if Franklin had actually touched the key,he would certainly have died from the electric shock.

15、3.In fact,more than one account suggests that while Newton was certainly inspired by a falling apple,there is no proof that it hit him on the head.if 引导的宾语从句,此时if 为“是否”wether He didnt tell me if/whether he would come.他没有告诉我他是否会来。大多数情况if和 wether可以互换,但是当引导主语从句、表语从句、其后有or 介词或不定式存在时,则只能用whether.eg:Wheth

16、er he will come is still a question.The question is _we should go on with the work.Im not sure _ to stay or leave.I dont know whether he is wrong or she is wrong.1.people wanted to know if lightening was really produced by electrcity or something else.But scientists all agree that if Franklin had ac

17、tually touched the key,he would certainly have died from the electric shock.if 引导的对过去的虚拟条件句。结构:if+had 过去分词,主语+should/would/could/might have doneIf she were here,she would agree with us.与现在相反:if+动词过去式/were,主语+would/should/could/might doIf it were to happen,what would you do?与将来相反:If+should do/did/wer

18、e to do,主语+would/should/could/might do事实上,不止一种说法表明,虽然牛顿的灵感确实来自于一个掉落的苹果,但没有证据表明它击中了他的头部。while 引导的让步状语从句,that引导的同位语从句。对proof的内容进行解释说明。常接同位语从句的常见名词:chance,message,doubt,fact,evidence,hope,idea,news,notice,possibility,promise,story,suggestioneg:The news that he will leave for Shanghai is true.3.In fact,

19、more than one account suggests that while Newton was certainly inspired by a falling apple,there is no proof that it hit him on the head._ _ _ _ it is unwise to depend completely on the ratings in consumption.毫无疑问完全依靠消费评级是不明智的。In fact,more than one account suggests that.n.描述,叙述,说明;账户;账目描述,叙述,说明;账户;账

20、目 vi.解释,说明;(在数量、比例方面)占解释,说明;(在数量、比例方面)占要点必记 account for 是的原因,解释;(在数量和比例上)占 open/close an account 开立/结清账户 on all accounts 无论如何 on account of 因为,由于 take.into account(take account of)考虑到,顾及 on no account 决不(在句首时,句子用部分倒装语序)There is no doubt that1.The poor weather may have _ _ (是的原因)the increase in the n

21、umber of people who cough day and night.2.I_ _ _ _(开立银行账户)after I made 1,000 by doing a part-time job during the summer vacation.3.These products_ _(占)about 80%of all our sales.4.He was too shocked to_ _ _ _(描述)what had happened.accounted for opened a bank account account for give an account of 补充;F

22、ranklin,along with many other scientists,has inspired us and taught us that scientific experiments are important in order to establish the truth and to contribute towards later scientific discoveries and inventions.富兰克林和其他许多科学家激励我们、教导我们,科学实验对于确定真相和为以后的科学发现和发明作出贡献是重要的。【名师点津】(1)主谓一致的“就前原则”:由as well as,with,along with,like,together with,rather than,except,but,including,besides,in addition to等引起的结构跟前面的主语保持一致。

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