1、人教课标 高二 必修 5 Unit 1,Reading,Unit 1 Great scientists,A quiz:Match the inventions with their inventors below,Warming Up,Alexander Bell electricity Thomas Edison the First telephone Laite Brothers the electric Lamp Marie Curie black holes in Universe Franklin Theory of Gravity Steven Hawking the First
2、Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity,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达尔文,Who is he?,He is ,Who wrote a book explaining how animals and plants developed as
3、the environment changed?,Thomas Newcomen 汤玛斯.纽科门,Who is he?,He is ,Who invented the first steam engine?,Gregor Mendel 孟德尔,Who is he?,He is ,Who used peas to show how physical characteristics are passed from parents to their children?,Marie Curie 居里夫人,Who is he?,She is ,Who discovered radium?,Thomas
4、Edison爱迪生,Who is he?,He is ,Who invented the way of giving electricity to everybody in large cities?,Leonardo da Vinci 列奥纳多.达芬奇,Who is he?,He is ,Who was the painter that studied dead bodies to improve his painting of people?,Humphry Davy 汉弗莱.戴维,Who is he?,He is ,Who invented a lamp to keep miners s
5、afe underground?,Stephen Hawking霍金,Who is he?,He is ,Who put forward a theory about black holes?,When we want to solve some problem. First we should find the problem, do some research on it, prove your finding, and then make a conclusion. This is a scientific and objective way of researching.,1. Wha
6、t order would you put the seven in?,Pre-reading,Please put the 7 stages in right order according to the passage.,Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them.,2. What do you know about infectious diseases?,infectious diseases
7、:bird flu; AIDS, SARS are infectious diseases.Infectious diseases are difficult to cure.,Cholera is the illness. If infects peoples intestines(肠胃), causing diarrhea(腹泻), vomiting(呕吐) and leg cramps (小腿抽筋).,3. What do you know about cholera?,The most common cause of cholera is by someone eating food
8、or drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重的) or even without symptoms(症状), but a severe case can lead to death without immediately treatment.,Germany,Great Britain,London,The spread of cholera,Look at the picture, the title and the map, guess what the
9、 content of the text is. Then skim it quickly to see if you are right.,Reading,John Snow Defeats “King Cholera”,John SnowP76,Skimming,Read the text quickly and complete the main idea of it.The text is mainly about _ _ and how he _.,John,defeated cholera,Snow,I. To prove a new scientific idea, seven
10、stages are needed. Read the text carefully and fill in the blanks.,Careful reading,cause,absorbed,multiplied,cure,map,prove,source,Broad Street,Many deaths happened here.,No death happened here.,The water from the pump was to blame.,drinking the water,polluted water,examined,Why was cholera called “
11、King 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
12、test 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 we
13、re 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
14、able to tie cases outside the area to the polluted water.,2. Do you think John Snow would have solved this problem without the map? Give a reason.,No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits.
15、 He,identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.,3. Cholera was a 19th century disease. What disease do you think is similar to cholera today? Why?,Three diseases, which are similar today, are S
16、ARS, AIDS and bird flu, because they are serious, have an unknown cause and need public health care to solve them.,Drink only water that you have boiled. Other safe drinks include tea or coffee made with boiled water.,Group Discussion,Eat only food thats been thoroughly cooked and is still hot, or fruit that youve peeled yourself. Avoid undercooked or raw fish and shellfish.,Avoid raw salads and vegetables.,“Boil it, cook it, peel it, or forget it.“,Thanks for listening!,
