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 telephoneLaite Brothers the electric LampMadame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking Radium Elbert Einstein the First Plane Isaac Newton the Theory of RelativityPeriod 1 Warming Up and ReadingStep 1.Pre-reading1. 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 Collect results Make up a question Find a problem Analyze the results Find supporting evidence Repeat if necessaryStep2. 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：...
