【课件】Unit1 Discovering Useful Structures课件 2022-2023学年人教版高中英语必修第二册

1、Unit 1 Cultural HeritageDiscovering Useful StructuresCan you find:1. the woman who is applying sunscreen?2. the boy who is building a snow man?3. the man who is wearing three watches?4. the animal that is playing the guitar?5. the man who is taking a nap?Lead-inNotice that we use “who” when we are d

2、escribing people and “that” when we are describing things.Look and underlineLook at the sentences below and underline the relative pronouns and adverbs.1After listening to the scientists who had studies the problem, and citizens who lived near the dam, the government turned to the United Nations for

3、 help.Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water.Find more sentences containing relative clauses from the text on page 4, and discuss with a partner the major function of them.There comes

4、a time when the old must give way to the new.Perhaps the best example is shown by UNESCO, which runs a programme that prevents world cultural heritage sites around the world from disappearing.Formulate: The relative _(pronoun/adverb) “_” here refers to the “_” to lead the relative clauses to _.Look

5、and underlineWhere is the relative pronouns and adverbs? What are their functions?Paragraph 2:Water from the dam would likely damage a number of temples and destroy cultural relics that were an important part of Egypts cultural heritage.The relative pronoun “that” here refers to the “cultural relics

6、” to lead the relative clauses to describe the importance of the heritage.Look and underlineWhere is the relative pronouns and adverbs? What are their functions?Paragraph 6:Perhaps the best example is shown by UNESCO, which runs a programme that prevents world cultural heritage sites around the worl

7、d from disappearing.The relative pronoun “which” here refers to the “UNESCO” to lead the first relative clauses to tell the work it did in operating the project.The relative pronoun “that” here refers to the “programme” to lead the second relative clauses to stress the function of the programme. Loo

8、k and underlineSummaryMake a table.Are there any other relative pronouns and adverbs you can remember?Which are the relative pronouns? And the relative adverbs?WhoWhomWhichThatwhoseWhenWhereWhySummaryMake a mind mapAs for the information, it should include:the relative pronouns and adverbstheir func

9、tionstheir usage examples .As for the design, it should be:logical and clearas creative as possibleattractive by adding pictures or matching colors SummaryRewriteRewrite the sentences using relative clauses.I have download that free app, but it doesnt work well.First, replace the pronoun, app with t

10、he relative pronoun which/that, because this is describing a thing.which I have downloadedThe free app doesnt work well.Now, we must put the relative clause after the noun it describe (the app).The free app (which/that) I have download doesnt work well.21. He showed me a photo in his room.It was a p

11、hoto of a famous cultural relic in Egypt. The photo _.2. The project team helped protect the national parks in the United Republic of Tanzania. It was formed by members from fifteen countries. The project team _.(which/that) he showed me in his room was of a famous culturalwhose members were from fi

12、fteen countries helped protect the national parks in the United Republic of Tanzania.relic in EgyptRewrite3. This temple was first built during the Qin Dynasty. The time _.4. We met a professional archaeologist at the entrance to the Great Pyramid. He explained to us the process of building such a d

13、ifficult structure. The professional archaeologist _ _.when this temple was first built was during the Qin Dynasty Rewrite(who/ whom) we met at the entrance to theGreat Pyramid explained to us the process of building such a difficult structure5. The documents about the cultural relics from overseas

14、are under the desk. I found them yesterday.The place _.6. Scientists worked together day and night to rescue the temple because they wanted to preserve it for the next generation.The reason_ _.where I found the documents about the cultural relics from overseas are underwhy scientists worked together

15、 day and night to rescue the temple is that theywanted to preserve it for the next generationthe deskRewriteWhich relative pronouns can be deleted in your sentences? When can you go without the relative pronouns like this?DiscussFor the sentence 1:“The photo that (which) he showed to me was a photo

16、of a famous cultural relic in Egypt.”“The photo he showed to me was a photo of a famous cultural relic in Egypt.”DiscussIn some cases, we can make the clause shorter by dropping the relative pronoun like who, that and which when the relative pronoun is the object of the clause in restrictive relativ

17、e clauses.We know “that” is the object of the clause because it is followed by the pronoun, “I”.DiscussWhat is the difference in the following two sentence?We knew the scientist who had studied the problem.We knew the physical scientist Hawkins, who had studied the problem.DiscussWe knew the scienti

18、st who had studied the problem.我们了解那个研究过该问题的科学家。2. We knew the physical scientist Hawkins, who had studied the problem.我们了解物理科学家霍金，他研究过该问题。Restrictive relative clauses VS Non-restrictive relative clauses（若把从句去掉，则不明白是哪位科学家）（若把从句去掉，仍然知道是哪位科学家）They are different in:meaningpunctuationDiscussFor more inf

19、ormation, you can watch the video and understand the differences between the two types of relative clauses.DiscussWork in pairs and play a game of definitions. One asks the questions below and the other answers them with relative clauses. Work out two more questions of your own.Work in pairs3EXAMPLE

20、A: What is an exit?B: An exit is the door where/through which you can leave a building.1. Whats a library? (from/in which; where) 2. Whats a good friend? (to whom; who)3. Whats a vacation? (during which; when) 4. Whats a football coach? (from whom; who)Whats a library? (from/in which; where)A librar

21、y is a place from/in which you can borrow books. A library is a place where you can borrow books. 2. Whats a good friend? (to whom; who)A good friend is someone to whom you can tell your problems. A good friend is someone who you can tell your problems to.Work in pairs3. Whats a vacation? (during which; when)A vacation is a time during which you dont work. A vacation is a time when you dont work. 4. Whats a