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1、2019新人教高中英语选择性必修一 Unitl Discover Useful StructuresTeaching aims:1 .Enable students to find out the differences in form and functions between restrictive relative clauses and non-restrictive relative clauses.2 . Introduce a great person using non-restrictive relative clauses.3 .Express their own idea
2、s and opinions using non-restrictive relative clauses.Teaching key points:1. Find out and summarize the differences between restrictive relative clauses and non-restrictive clauses.2. Use non-restrictive relative clauses to introduce a great person.Teaching difficult points:1 . Help students to lear
3、n and use non-restrictive relative clauses to express their own ideas and opinions.Teaching procedures:Step 团 LeadinPresent a brief introduction about Tu Youyou to the students and guide them to understand the use of non-restrictive relative clauses by asking the following questions.2 .Can you find
4、any relative clauses?Underline them and name the types:the restrictive relative clauses or the non-restrictive ones.3 .Can you tell the differences in form between them?Tu Youyou,who was born in Ningbo,China,on 30 Dec.l930,was a committed and patient scientist.Based on a medical text which suggested
5、 using sweet wormwood to treat malaria,she and her team drew out the artemisininjor which she was awarded the 2015 Nobel Prize for Physiology or Medicine.Hundreds of thousands of lives are thought to be saved by artemisinin,which has become a vital part of the treatment for malaria.1 .Tu Youvou,who
6、was bom in NinRbo,Chinn,on 30 Dec.1930,was a committed and patient scientist.Based on a medical text which suHRestcd usin sweet wormwood to treat malaria,she and her team drew out the artemisinin,for which she was awarded the 2015 Nobel Prize for PhvsioloHV or Medicine.Hundreds of thousands of lives
7、 are thought to be saved by artemisinin,which has become a vital part of the treatment for malaria.2 .Restrictive relative clauses:no comma is in front of the clause;Non-restrictive relative clauses:there is a comma in front of the clause.Step团Observe and analyseActivity IRead the following sentence
8、s and underline the relative clauses.Then name the two types of clauses and state their functions by filling in the following table.(红色为学生填写)(l)They tested hundreds of Chinese medical treatments that showed promise in the fight against the disease.(2)Tu Youyou was awarded the Nobel Prize,which is co
9、nsidered one of the highest international honours a person can receive.(3)Tu Youyou went to Hainan,where malaria was more common,to study malaria patients.(4)Later,the medicine was tested on malaria patients,most of whom recovered.StructureSentence TypeAntecedent(先行词)Part ofspeech in a_Functionsente
10、nce(句子成分)(1)hundreds ofChineseRestrictivemedicaltreatmentsDescribe and modify the kind subjectof medical treatments theytested.(2)Non-restri the NobelctivePrizeGive extra information about subjectthe Nobel Prize.(3)Non-restriHainan ctiveGive extra information about adverbialHainan.Non-restri malaria
11、Give extra information about(4)ctivepatientsobjectthe patients.Activity 2Aspect(方RestrictiverelativeNon-restrictive relative clauses面）clausesNoForm)形comma(,)isThere is a comma(,)in front of the clause.式）in front ofthe clause.Relative(ThatThat is forbidden to use.关系词）is included.A restrictiveclause m
12、odifies the noun that precedes it in anA non-restrictive clause essential describes a noun or a sentence in a nonessential way.Functionway,givingRestrictiveextra information,an explanationzor a clauses limitcomment on a noun or a sentence.or identify such nounsand cannot be removed from a sentencewi
13、thoutchangingthesentencesmeaning.Step0PracticeActivity 1 Rewrite the sentences using non-restrictive relative clauses.EXAMPLEThe book tells us about Alexander Fleming.He discovered penicillin.The book tells us about Alexander Fleming,who discovered penicillin.Ql:Can you summarize the steps to rewrit
14、e the sentences?Q2:Try to rewrite the following sentences using the steps.Q3:How do the sentences flow differently?(l)We were very impressed by the old man.He was not willing to acknowledge defeat.(2)Afterwards,Einstein had to flee Germany.Hitler was in power there.(3)There is nothing we can do to h
15、elp Linda.Her circumstances are beyond our control.(4)The teacher asked us to listen to a speech by his favourite inspired us a lot.(5)The building under construction was designed by I.M.Pei-a famous Chinese-American architect.He was born in Guangzhou,China.6 6) I was asked to explain the project wi
16、th the help of a flow chart.lt was a big challenge for me.Suggested answers:QI：Step l:find the repeating part;Step 2:replace the repeating part with a suitable relative;Step 3:replace the stop(.)with a comma (,).Q2:(l)We were very impressed by the old man.who was not willing to acknowledge defeat.(2
17、)AfterwardszEinstein had to flee Germany,where Hitler was in power.(3)There is nothing we can do to help Linda,whose circumstances are beyond our control.(4)The teacher asked us to listen to a speech by his favourite novelist/.K.Rowling,which inspired us a lot.(5)The building under construction was
18、designed by I.M.Peia famous Chinese -American architect.who was born in Guangzhou,China.(6)1 was asked to explain the project with the help of a flow chart,which was a big challenge for me.Q3:In each case,there are two short sentences which sound separate to each other.By combining the two simple se
19、ntences together using non-restrictive relative clauses,the sentence becomes more varied and flows better.Activity 2 Decide whether the sentences are right or wrong.Correct them where necessary.(l)Please write down these phraseszall of them will be useful in your writing.(2)As a consequence of sendi
20、ng in his application latezhe did not get a patent for his invention,that was not surprising at all.(3)The researchers are evaluating thousands of plants,which have distinct medical properties.(4)The gentle old man is the only person,whom I can trust.(5)Have you done all what you can to help the peo
21、ple in need?(6)ls this the botanical institute where you visited last week?Suggested answers:(l)Please write down these phrases,all of which will be useful in your writing.(2)As a consequence of sending in his application late,he did not get a patent for his inventionzwhich was not surprising at all
22、.V(4)The gentle old man is the only person,whom I can trust in.(5)Have you done all that you can to help the people in need?(6)ls this the botanical institute which/that you visited last week?Step团Language use and shareLanguage use and shareActivity 1 Write a few sentences about some great people wi
23、th the information given below.Use relative clauses.And then share and evaluate the writing with each other.Song QinglingDr Sun Yat-sens wife;one of the top leaders in modern Chinese history;devoted her life to improving the welfare of women and children.Neil ArmstrongThe first man to land on the mo
24、on in July 1969;Thats a small step for (ajman,one giant leap for mankind/Norman BethuneCame to China in World War0;worked selflessly in China as a doctor and saved many Chinese people.Lu XunA leading figure of modern Chinese literature;Lu Xun Literary Prize-one of Chinas top four literary prizes,awa
25、rded every three years.Joan of ArcA girl dressed as a man;went to fight for her country;helped drive the English invaders out of France.Suggested answers:Song Qingling,who was Dr Sun Yat-sens wife and one of the top leaders in modern Chinese hi story, devoted her life to improving the welfare of wom
26、en andchildren.Neil Armstrong,who was the first man to land on the moon in July 1969,said,Thats a small step for (a)man,one giant leap for mankind/Norman Bethune,who came to China in World War 0,worked selflessly in China as a doctor and saved many Chinese people.Lu Xun was a leading figure of moder
27、n Chinese literature.Lu Xun Literary Prize,which is one of Chinas top four literary prizes,is awarded every three years.Joan of Arc,who was a girl dressed as a man,went to fight for her country and helped drive the English invaders out of France.Activity 2 Work in groups.Complete the sentences using
28、 non-restrictive relative clauses to give extra information.Then share them with your group members.EXAMPLEId like to try.,Id like to try that Chinese herbal medicine again,which seems to work best for my cough.(1)1 would like to travel around.,.(2)What impressed me most.,.(3)My favourite scientist
29、is.,.(4)Finally we arrived at.,.(5)My grandparents like.,.(6)1 wish to obtain.,.(7)My best friend.,.Suggested answers:(1)1 would like to travel around Sichuan Province,where Jiuzhaigou locates.(2)What impressed me most about the film was the ending,which was quite moving.(3)My favourite scientist is
30、 Nikola Tesla,who was quite brilliant but also had some crazy ideas.(4)Finally we arrived at the zoo,which was closed for repairs.(5)My grandparents like going for outings in spring,which is good for their health.(6)1 wish to obtain a driving licence,which is necessary if you want to drive a car.(7)My best friend came to visit last week,which was the first time I had seen him in years.