人教版高中英语课件：Unit1 Great scientists.ppt

unit1 great scientists expert attend physician expose challenge victim adj. 熟练的; 经验丰富的 n. 专家; 行家 vt. 照顾; 出席; 参加 n. 医师 vt. 暴露; 揭露; 使曝光 n. 挑战 vi. 向挑战 n. 受害者 words preview absorb suspect enquiry neighbourhood severe pump vt. 吸收; 吸引; 使专心 vt. 怀疑 n. 被怀疑者; 嫌疑犯 n. 询问 n. 附近; 临近 adj. 严重的;严厉的 n. 泵; 抽水机 vt. (用泵) 抽 (水) words preview foresee blame pollute handle announce instruct vt. 预见; 预知 n. 责备; 谴责 vt. 过失; 责备 vt. 污染; 弄脏 n. 柄; 把手 vt. 处理; 操纵 vt. 宣布; 通告 vt.命令; 指示; 教导 words preview useful expressions 提出 put forward 得出结论 draw a conclusion 使暴露 expose to 全神贯注 be absorbed in 把 ；捐献给 contribute to 此外，除外 apart from 对 感兴趣 be interested in 7 draw a conclusion 3 think of a method 4 collect results 2 make a question 1 find a problem 5 analyse the results 6 find supporting evidence the stages in examining a new scientific idea. first we should find the problem. then, think of a method. we should collect as much information as possible. analyzing results is the most important stage. before we make a conclusion, it is necessary for us to find supporting evidence. john snow defeats “king cholera” reading do you know john snow?do you know john snow? do you know what kind of disease is do you know what kind of disease is cholera?cholera? john snow is a well-known doctor in the 19th century in london and he defeated “king cholera”. it is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat. lets get to know how dr. john snow lets get to know how dr. john snow defeated “king cholera” in 1854 in london defeated “king cholera” in 1854 in london in this reading passage: in this reading passage: john snow defeats “king cholera”john snow defeats “king cholera” who defeats “king cholera“? what happened in 1854? how many people died in 10 days? why is there no death at no. 20 and 21 broad street as well as at no. 8 and 9 cambridge street? john snow cholera outbreak hit london. 500 these families had not drunk the water from the broad street pump. task 1:skim and scan read the passage and number these events in the order that they happened. _ john snow began to test two theories. _ an outbreak of cholera hit london in 1854. _ john snow marked the deaths on a map. _ 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 near a water pump. _ he had the handle removed from the water pump. _ john snow began to test two theories. _ an outbreak of cholera hit london in 1854. _ john snow marked the deaths on a map. _ he announced that the water carried the disease. 1 2 4 7 _ john snow investigated two streets where the outbreak was very severe. _ king cholera was defeated. _ he found that most of the deaths were near a water pump. _ he had the handle removed from the water pump. 8 3 6 5 mind map of the text john snow defeats “king cholera” paragraph 1: introduction of john snow and cholera paragraph 2: two theory find a problem: what cause the cholera? make a question: which is right? paragraph 3-6: study of the breakout in 1854 paragraph7: john snow defeat king cholera task 2: read and answer 1 why couldnt the cholera be under control at first? 2 which theory did john snow believe in? 3 john snow finally proved the theory he believed by _. a. gathering information with the help of a map b. looking into the source of the water for broad street and cambridge street c. separating those who suffered cholera from those who didnt d. both a and b 1 why couldnt the cholera be under control at first? 2 which theory did john snow believe in? neither its cause, not its cure was understood. people absorbed cholera into their bodies with their meals. 3 john snow finally proved the theory he believed by _. a. gathering information with the help of a map b. looking into the source of the water for broad street and cambridge street c. separating those who suffered cholera from those who didnt d. both a and b lread the passage again and fill in the blanks: ljohn snow was a well-known _ in london in the _ century. he wanted to find the _ of cholera in order to _ it. in 1854 when a cholera _ out, he began to gather information. he _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. so he decided that the polluted water carried cholera. he suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. finally, “king cholera” was defeated. doctor 19th cause defeat broke marked pump source examined dealing lretell the passage according to below: ljohn snow was a well-known _ in london in the _ century. he wanted to find the _ of cholera in order to _ it. in 1854 when a cholera _ out, he began to gather information. he _ on a map where all the dead people had lived and he found that many people who had drunk the dirty