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1、人教课标 高二 必修 5 Unit 1,Reading,Unit 1 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 field of science? Do these achievements have anything in common? Match the inventions with their inventors be
2、low before you answer all these questions.,Warming Up,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 the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativ
3、ity,Who is he?,He is ,Archimedes (阿基米德),Which scientist discovered that objects in water are lifted up by a force that helps them float?,Charles Darwin.,Who is he?,He is ,Who wrote a book explaining how animals and plants developed as the environment changed?,Thomas Newcomen.,Who is he?,He is ,Who i
4、nvented the first steam engine?,Gregor Mendel,Who is he?,He is ,Who used peas to show how physical characteristics are passed from parents to their children?,Marie Curie,Who is he?,She is ,Who discovered radium?,Thomas Edison,Who is he?,He is ,Who invented the way of giving electricity to everybody
5、in large cities?,Leonardo da Vinci,Who is he?,He is ,Who was the painter that studied dead bodies to improve his painting of people?,Humphry Davy,Who is he?,He is ,Who invented a lamp to keep miners safe underground?,Stephen Hawking,Who is he?,He is ,Who put forward a theory about black holes?,put f
6、orward 提出 e.g. He put forward a valuable suggestion at the meeting. Josh put forward a plan for an outing this weekend.,【拓展】 我们在以前还学过表示“提出”的短语，它们是 _ 和come up with。,bring up, 常见的put短语还有： put away 收起来；存蓄 put off 推迟，延期 put on 穿上，戴上；上演 put out 使熄灭；生产；出版 put through 接通电话；使经历；使通过 put up 举起；修建；张贴,【小试】 选用以上
7、短语的适当形式填空。 The suggestion _ by Mr. Wang at yesterdays meeting was a wonderful one. 2. They decided to _ the picnic because of the rain.,put forward,put off,1. Do you know how to prove a new idea in scientific research? Discuss in small groups the stages in setting out a new scientific idea. What ord
8、er would you put them in?,Pre-reading,Please put the 7 stages in right order according to the passage.,2. What do you know about infectious diseases? What do you know about cholera?,Germany,Great Britain,Death of first cholera case in London during the 1848-49 epidemic,London,Previous cholera epidem
9、ic in Great Britain in 1831-32,The spread of cholera,3. Look at the picture, the map and the title and predict the content of the reading passage. Then skim it quickly to see if you are right.,Reading,John Snow Defeats “King Cholera”,John Snow,Skimming,Read the text (P2-3) quickly and complete the m
10、ain idea of it. The text is mainly about _ _ and how he _.,John,defeated cholera,Snow,I. To prove a new scientific idea, seven stages are needed. Read the text (P2-3) carefully and fill in the blanks.,Careful reading,cause,absorbed,multiplied,cure,map,prove,source,Broad Street,Many deaths happened h
11、ere.,No death happened here.,The water from the pump was to blame.,Public house,Small, white, flocculent particles,The water was from the river which had been polluted by the dirty water from London.,drinking the water,Polluted water,examined,extra evidence: A woman and her daughter who lived far aw
12、ay but drank the water also died.,I. Choose the best answer. We know from the text that John Snow _. had collected information before cholera broke out B. felt not quite sure after he finished the map C. helped the woman from Broad Street D. became famous after defeating cholera,2. Why did John Snow
13、 use a map in his research? It could help him find exactly how many people died of cholera. B. It could help him find the source of drinking water for people. C. It could help him organize his ideas and find evidence. D. It could help him find his way in Broad Street.,3. Why was cholera called “King
14、 Cholera” in the text? Because it caused many deaths. B. Because it got its name from Queen Victoria. C. Because it was defeated with the help of the King. D. Because it was the most deadly disease of its day.,Post reading,Number these events in the order that they happened. _ John Snow began to tes
15、t two theories. _ An outbreak of cholera hit London in 1854. _ John Snow marked the deaths on a map.,1,2,4,_ He announced that the water carried the disease. _ John Snow investigated two streets where the outbreak was very severe. _ King Cholera was defeated. _ He found that most of the deaths were
16、near a water pump. _ He had the handle removed from the water pump.,3,5,6,7,8,Answer these questions. John Snow believed Idea 2 was right. How did he finally prove it?,John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie
