2016-2017学年高中英语 Unit 1 Great scientists Section Ⅰ Warming up Reading-Pre-reading课件 新人教版必修5.ppt

Section Ⅰ　Warming up Reading—Pre-reading Ⅰ.Do you know other scientists？The following is a quiz and let’s find out who knows the most. 1．Which scientist discovered that objects in water are lifted up by a force that helps them float? 答案：　B 2. Who wrote a book explaining how animals and plants developed as the environment changed? 答案：　C 3．Who invent the first steam engine? 答案：　A 4. Who used peas to show how physical characteristics are passed from parents to their children? 答案：　B 5．Who was the painter that studied dead bodies to improve his painting of people? 答案：　B 6．Who put forward a theory about black holes? 答案：　A Ⅱ.Do you know how to prove a new idea in scientific research？There are seven stages.Put them in the right order. (　　　) Make a question (　　　) Analyse the results (　　　) Draw a conclusion (　　　) Collect results (　　　) Find a problem (　　　) Think of a method (　　　) Find supporting evidence 答案：　2,5,7,4,1,3,6 Ⅰ.What’s the main idea? The text is mainly about how John Snow defeated a deadly disease—________. 答案：　cholera Ⅱ.Read the text and match each paragraph with its main idea. Para.1(　　)　A．John Snow’s suggestions for preventing cholera Para.2(　　) B．An analysis of John Snow’s map Para.3(　　) C．Extra evidence showing that polluted water carried the virus Para.4(　　) D．Two theories possibly explaining how cholera killed people Para.5(　　) E．A brief introduction to John Snow and cholera Para.6(　　) F．John Snow found the cause of the disease. Para.7(　　) G．John Snow began to gather information to prove the second theory was correct. 答案：　1.E　2.D　3.G　4.B　5.F　6.C　7.A Read the text and choose the best answer according to the text. 1．What inspired John Snow according to the first paragraph? A．Being Queen Victoria’s personal physician. B．Finding where cholera happened. C．Helping ordinary people who suffered from cholera. D．He was an expert. 答案：　C 2．What’s the use of John Snow’s map in his research? A．To help him find the numbe