Unit 1 Great Scientists
【单元导航】 Great scientists There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do they play in the
filed of science? Match the inventions with their inventors below before you answer all these questions. Alexander Bell electricity Thomas Edison the First telephone Laite Brothers the electric Lamp Madame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking Radium Elbert Einstein the First Plane Isaac Newton the Theory of Relativity Period 1 Warming Up and Reading Step 1.Pre-reading 1. What do you know about infectious diseases? Can you name some? 2. Do you know how to prove a new idea in scientific research? Discuss in groups the stages in examining a new scientific idea. What order would you put them in? Draw a conclusion Think of a method Find a problem Analyze the results necessary Collect results Make up a question Find supporting evidence Repeat if
Step2. Fast-reading（方法导引：略读或浏览阅读 skimming：忽略不懂的句子和生词，快 速阅读原文。目的只是为了了解阅读材料的大意。针对这篇文章我们只要回答 when ,where ,who ,what ,why and how 的问题） 1. Skim the first paragraph of the reading passage below and answer the questions. (1) What disease was not cured at that time? (2) What is the cause of cholera? What is to blame? (3) Was it defeated finally? 2. Read the passage quickly to find out the main idea of it. The main idea of this passage is that John Snow ________ out the ________ of the disease called cholera which was a disease in ________ in the 19th century. With Snow's great efforts, the disease was finally under ________. Step3: Careful reading.（方法导引：采用扫描式阅读 scanning：进行有目的的阅读，目 的是寻找某些资料或信息，对于无关部分可以忽略。 ） 1. Choose the best answer according to the text. 1) Why was cholera called “King Cholera” in the text? A. Because cholera caused little deaths. B. Because it got its name from Queen Victoria.
C. Because cholera was the most deadly disease of its day. D. Because it was defeated with the help of the king. 2) John Snow didn't believe that ________. A．Cholera multiplied in the air without any reason B．Cholera was spread by germs C．People absorbed cholera into their bodies with their meals D．People were dead after cholera attacked 3) At last, “King Cholera” was controlled by ___________. A. using medicines in hospitals B. driving patients out of the country C. dealing with the polluted water D. getting rid of all kinds of pollute 2. Fill in the blanks and try to retell the passage. In the times of Queen Vitoria, so called “King Cholera” hit Londoners, 1) _______ often resulted in large numbers of deaths. But nobody could find the cause of cholera, or the 2) ___________ for it. John Snow, who was a well 3) __________ (know) doctor then, took the 4)_____________ and wanted to 5)______________ the problem. He gathered 6)______________ from the severe cholera outbreak and finally found it was the 7)________________ (pollute) water that caused cholera. So the 8)______________ of all the water supplies was examined 9)________________ (immediate). “King Cholera” was 10)___________ in the end. Step4. Activity Work in groups and have a discussion. Students will be given 5 minutes to have a chance to exchange their ideas. They should share their ideas when time is up.
Who is your favorite scientist? Why do you like him/her most?
Step 5: homework Tick out sentences that you think are difficult for you. Make clear the passage and finish the exercise on newspapers.
答案 Step 1.Pre-reading
1. Suggested answers: H1N1, SARS, cholera 2. Suggested answers: ①Find a problem ②Make up a question ③Think of a method ④Collect results ⑤Analyze the results ⑥Find supporting evidence ⑦ Repeat if necessary ⑧Draw a conclusion Step2. Fast-reading Suggested answers: 1. Cholera was not cured at that time. 2. Water. Water is to blame. 3. Yes, it was. Step3: Careful reading. Suggested answers: 1. 1)C 2)A 3)C 2. 1)which 2)cure 3)known 4)challenge 5)solve 6)information 7)polluted 8)source 9)immediately 10)defeated Step4. Activity Suggested answers: Alexander Bell, Thomas Edison, Laite Brothers, Madame Curie? Because I think he/she? The reason why I like him/her is? Because he/she?.