Unit 1 Discovering Useful Structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

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关键词：: 高中英语 Unit Discovering Useful Structures ppt课件_2022新人教版2019高中英语选择性必修第二册 ppt 课件 _2022 新人 2019 选择性下载 _选择性必修第二册_人教版（2019）_英语_高中

资源描述：: 1、01表表语语02*不能用if0304Answer the following questions using the information from the reading passage as well as the predicative clauses.What was it that John Snow showed to the world?What John Snow showed to the world was how cholera could be overcome.1.What was Snows discovery in two particular streets
2、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 _.the cholera outbreak was so severe thatmore than 500 people died in ten days.the cholera outbre
3、ak had caused over 500 deaths within ten days3.What were the exact places Snow marked on the map?The exact places Snow marked on the map were where _.4.What was the finding that Snow announced?Snows finding was that _ all those who died had livedthe pump water carried cholera germs.David is talking
4、to Maria about their 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.as if,that,what,who,when,how,why,whose,which,whetherA.Absolutely.You may not believe it,but that was _ happened at the
5、 initial stage of our groups research on developing a vaccine for malaria.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.whatas ifthatas if,that,what,who,when,how,why,whose,which,whetherC.Exactly.The
6、 problem was not about _ all our theories 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 to carry out the research in the first place.whetherwhosewhichas if,that,what,who,when,how,why,whose,which,whetherhowwhy

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