Unit 1 Great scientistsSection 1 Vocabulary & ReadingⅠ. Teaching aims 教学目标 Knowledge goal: Learn and master the new words of this unit. Get to know how Doctor John (知识目标) Snow defeat Cholera by experiment.Ability goal: Enhance students’ self-learning ability and reading ability. （能力目标）Important point : Key words and phrases of this unit; Mater the main idea of this passage. （教学重点） Difficult point: Master the main idea of this passage.（教学难点） Ⅱ. Preview before class 预习导学(Ⅰ).Match the words with correct meaning.1．suspect A．to invite sb.to enter a competition, fight, etc.2．challenge B．to officially tell people about sth.3．conclude C．to think sb./sth.is responsible for sth.bad4．blame D．to think that something is true or not true5．announce E．to complete something; to form a judgement6．expose F．to show something that is usually covered or hidden7．contribute G．careful to avoid danger or risk8．cautious H ． to give money, goods or your time and effort in order to achieve sth.答案：1～8 DAECBFHG(Ⅱ).Write the Chinese meaning of each bold short phrases.1．He put forward a workable plan at the meeting.提出2．It's harmful to expose the skin to the sun for a long time.使显露；暴露3．The highspeed railway links Shanghai to Beijing.将……和……联系或连接起来4．After reading his letter, I drew a conclusion that he was not happy.得出结论5．The boy was absorbed in watching the World Cup football match.全神贯注于……Ⅲ. Inquiry learning and practice 问题探究与练习内化(Ⅰ)Skim the text and choose the main idea of the passage.A．John Snow was a wellknown doctor in London.B．The cause of cholera was polluted water.C．The source of all drinking water supplies should be examined.D．How John Snow collec...
