Unit 1 Discover useful structures-Predicative Clauses-ppt课件--（2022）新人教版(2019新版)高中英语选择性必修第二册.pptx

1、Period 3 Discovering useful structuresThe Predicative ClausesUnit 1 Science and Scientists1 Underline all the examples in the reading passage where noun clauses are used as the predicative.Then state their meaning and functions.名词性从句n.表语One theory was that bad air caused the disease.Another was that

2、 cholera was caused by an infection from germs in food or water.The truth was that the water from the Broad Street pump had been infected by waste.EXAMPLE 例子例子What was it that John Snow showed to the world?约翰斯诺向世界展示了什么？What John Snow showed to the world was how cholera could be overcome.1 What was S

3、nows discovery in two particular streets in London?Snows discovery in two particular streets in London was that _.2 What was Snow determined to find out during the 1854 outbreak of cholera in London?What Snow was determined to find out was why_.2 Answer the following questions using the information

4、from the reading passage as well as the predicative clauses.more than 500 people died in ten days caused over 500 deaths within ten days the outbreak of cholera had the cholera outbreak was so severe that 表语从句3 What were the exact places Snow marked on the map?The exact places Snow marked on the map

5、 were where _.4 What was the finding that Snow announced?Snows finding was that_.all those who died had lived the pump water carried cholera germs2 Answer the following questions using the information from the reading passage as well as the predicative clauses.表语从句3 David is talking to Maria about t

6、heir scientific research project.First complete Davids lines（A-E）,using the words in the box.Then put Davids lines in the correct order and practise the conversation.A Absolutely.You may not believe it，but that was _ happened at the initial stage of our groups research on developing a vaccine for ma

7、laria.B Yes,it is.And it seemed _all the theories were useful，but the fact was _ we couldnt persuade one another that one theory was better than another.as if that what who when how why whose which whether whatas ifthat 在.的初始阶段 彼此=each other科研项目C Exactly.The problem was not about _ all our theories

8、were equally good，but in deciding _ theory to depend upon.D We realised that what we cared about was not _ aspect we needed to develop a theory in,but rather _ we can reduce the cost of a vaccine without reducing its effect!E Youre right.At last,we became focused on the key issue，which was _ we had

9、to carry out the research in the first place.as if that what who when how why whose which whether whetherwhich/what/whosewhich/whathow why 一样出色，同样优秀降低.的成本关键问题进行研究，开展研究最初，首先为了使整个文章/语篇在意义上具有连贯性(coherence)，无论是口头语篇还是书面语篇都需要使用一些衔接手段，这些衔接手段主要包括三大类：逻辑纽带(logical connector)、语法纽带(grammatical connector)、词汇纽带(l

10、exical connector)。口头语篇还可以通过语音纽带(phonetic connector)衔接。Tips衔接词(first,finally,because,but,thanks to)问句的回答、代词指代等词的重复等质疑、惊讶等A.I will stop.B.Yes,he was at home.Tom:Spell STOP three times.Jerry:_Tom:What will you do when you come to a green light?Jerry:_Tom:Then what will you do when you come to a red lig

11、ht？Jerry:_Tom:What?At a red light?Jerry:No,I will stop first to see the color of the light._A.STOP,STOP,STOP.B.I dont know.A.I will stop.B.I will go on.A.Then I will go on.B.What do you mean?词汇纽带(lexical connector)逻辑纽带(logical connector)语法纽带(grammatical connector)语音纽带(phonetic connector)Maria：This m

12、ix of theory and data is one of the key characteristics of what we call science.David：_Maria：With your theoretical framework?David：_Maria：Deciding on a theory is definitely of critical importance.David：_ Maria：This was when you should have calmed down and got down to doing some solid work.David：_Mar

13、ia：So what happened in the end?David：_ ACBEDA Absolutely.You may not believe it，but that was what happened at the initial stage of our groups research on developing a vaccine for malaria.B Yes,it is.And it seemed as if all the theories were useful，but the fact was that we couldnt persuade one anothe

14、r that one theory was better than another.C Exactly.The problem was not about whether all our theories were equally good，but in deciding which/what/whose theory to depend upon.E Youre right.At last,we became focused on the key issue，which was why we had to carry out the research in the first place.D

15、 We realised that what we cared about was not which/what aspect we needed to develop a theory in,but rather how we can reduce the cost of a vaccine without reducing its effect!词汇纽带(lexical connector)逻辑纽带(logical connector)语法纽带(grammatical connector)语法纽带(grammatical connector)逻辑纽带(logical connector)启

16、发：1.要灵活运用衔接手段，2.要从最简单、最容易判断的入手，遵循由易到难的做题顺序(不一定是题号的自然顺序)。Maria：This mix of theory and data is one of the key characteristics of what we call science.David：_Maria：With your theoretical framework?David：_Maria：Deciding on a theory is definitely of critical importance.David：_ Maria：This was when you shou

17、ld have calmed down and got down to doing some solid work.David：_Maria：So what happened in the end?David：_ ACBEDA at the initial stage of.B we couldnt persuade one another.C ，but in deciding which/what/whose theory.E .At last,.D We realised that what we cared about !词汇纽带(lexical connector)逻辑纽带(logic

18、al connector)语法纽带(grammatical connector)语法纽带(grammatical connector)逻辑纽带(logical connector)Maria：This mix of theory and data is one of the key characteristics of what we call science.David：_Maria：With your theoretical framework?David：_Maria：Deciding on a theory is definitely of critical importance.David：_ Maria：This was when you should have calmed down and got down to doing some solid work.David：_Maria：So what happened in the end?David：_ ACBED理论框架绝对是至关重要的开始认真做adj.可靠的