课件42张PPT。 Unit 1 Great scientists 1．_____ n. 特性；特征adj.有特点的，有某种特色的 2．_____ vt.结束；推断出→_____ n．结论；结束 3．_____ vt.打败；战胜；使受挫 n．失败 4．_____ vt.照顾；出席→_____ n．出席；出席的人数；照顾→_____ n．出席者； 5．_____ vt.暴露；使曝光→_____ adj. 6．_____ n．挑战 vi.向……挑战 7．_____ vt.吸收；吸引；使专心→_____ adj.全神贯注的；一心一意的 8．_____ vt.怀疑 n．被怀疑者；嫌疑犯 9．_____ vt. 责备；n.过失，责备 10．_____ n．柄；把手 vt.处理；操纵 11．_____ vt.宣布；通告→_____ n．宣告；公告→_____ n．播音员；宣告者 12．_____ vt.命令；指示；教导→_____ n．教员；教练；指导员→_____ n．吩咐；命令；用法说明；操作指南1.重点单词characteristicconcludeconclusiondefeat attendattendanceattendantexposeexposedchallengeabsorbabsorbedsuspectblamehandleannounceannouncementannouncerinstructinstructor instruction 2.重点短语1．_____ 提出 2．_____ 得出结论 3．_____ 使显露；暴露 4．_____ 面对挑战 5．_____ 决心干某事 6．_____ 将…和…联系7．_____ 肯定地 8．_____ 被指示做某事 put forwarddraw a conclusionexpose...toface the challengebe determined to do sth.link...to...with certaintybe instructed to do sth.Thomas EdisonHe is the father of super hybrid rice and one of the great scientists. 1. Who wrote a book explaining how animals and plants developed as the environment changed?Charles DarwinDo this quiz2. Who discovered radium? 3. Who invented the way of giving electricity to everybody in large cities? Madam CurieThomas Edison4. Who put forward a theory about black holes?Stephen HawkingReadingJohn Snow Defeats “King Cholera”What is the main idea of the passage? A. John Snow was a well-known doctor in London. B. The case of cholera was polluted water. C. The source of all drinking water should be examined. D. How John Snow collected, analysed data and found the cause of the disease and solved it.the content of the textpara.1 Deadly disease: cholera outbreak in London para.2 Two possible theories para.3 Look for evidence para.4 Mark information on a map to find out where people died or did not die para.5 Analyse the water para.6 Find other supporting evidences para.7 The polluted dirty source of drinking water was to blame Para 1Para 2Para 3Para 4Para 5Para 6Para 7 7 steps Draw a conclusion Think of a method Collect results Make a question Find a problem Analyse the results Find supporting evidenceCareful ReadingPara.1 Find a problem. John Snow was an doctor in London who Queen Victoria as her personal . He thought about helping ordinary people to cholera. Though the cause and the of it were unknown, he wanted to face the and solve the problem. expertattendedphysicianexposedcurechallengeReading carefullyWhat caused cholera?What is the problem?Para.2 Make a question: Reading carefullyTwo theories (ideas): 1. Cholera multiplied in the air. 2. People absorbed it into their bodies with their meals.Para.3 Think of a method Reading carefully1. What happened in 1854? 2. How many people died in 10 days? 3. What did John Snow do at that time?C ... ...
