(
课件网) Unit 3 The world of science Developing ideas By the end of this period, you will be able to: list the main idea and the basic structure of an essay; tell the specific information about Franklin’s experiment; express arguments by listing supporting details or giving examples; develop the basic scientific thoughts and scientific exploring spirit. CONTENTS Pre-reading I While-reading II Post-reading III Sentences analysis IV Do you know the scientists and their experiments Pre-reading Do you know Franklin’s famous experiment Who is Franklin played a part in the American Revolution He is undoubtedly important to Americans. WHO Read the introduction to Benjamin Franklin. Benjamin Franklin (1706–1790) 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. Learning to learn An essay title often contains an explicit(直截了当的) or implicit (含蓄的) question which your essay should focus on answering. For example, the title “ Franklin’s Experiment: How Much Is True ” makes it clear what question is being answered within the essay. Let's read the passage quickly and find out what Franklin’s experiment aimed to prove. While-reading √ Franklin’s Experiment: How Much Is It True Activity 1 Fast- reading for basic information Ⅰ. What is the text mainly about A．The story of Franklin’s experiment is true or not. B．The aim of Franklin’s experiment. C．The procedure of Franklin’s experiment. D．The effect of Franklin’s experiment. Ⅱ. Match each paragraph with its main idea. Para.1 A．Facts should be proved by experiments and research. Para.2 B．The reason why scientists often question accepted ideas. Para.3 C．The detailed procedure of Franklin’s experiment with lightning. Para.4 D．The great effect of Franklin’s experiment on science and inventions. Para.5 E．Neither the story nor the details of the experiment are entirely true. Para.6 F．Benjamin Franklin’s famous experiment with lightning may be fiction. Para(s)._____ Para(s)._____ Para(s)._____ 6 Ⅲ. Please sort out this passage’s structure. 1 2-5 √ Benjamin Franklin’s famous experiment with lightning has introduced generations of children to science.However, new research suggests that the story may be fiction instead of fact. Activity 2 Careful- reading for details Ⅰ.Read Para.1 carefully and do the following exercises. 1．What is the function of the first paragraph A．To introduce the topic. B．To show the authority of the author. C．To attract readers’ interest. D．All of the above. √ 2．What does the word “fiction” in this paragraph mean A．A type of literature describing imaginary people or events，not real ones. B．A thing that is invented or imagined and is not true. C．A type of literature form ... ...
