(
课件网) Unit 4 Scientists who changed the world Reading Lead in Do you know who they are Marie Curie Ernest Miller Hemingway Alexander Fleming Kofi Atta Annan What do they have in common The Nobel Prize Physics and chemistry Literature Medicine Peace Lead in Do you know any Chinese winners Mo Yan Tu Youyou Literature Medicine Lead in Behind every scientific discovery lies a lot of hard work. The news report below describes the Chinese scientist Tu Youyou and her discovery of a life-saving medicine. News report aims to a mass audience of different educational levels news item in the simple, easy to understand language. Background info Development Achievement Reason of success … Review The tail (optional) The lead The body the most important information [when/where/who/what] detailed or supporting information [how] background info or conclusion [why] Lead in Before you read the new report, think about the following questions: What do you know about the Nobel Prize What important scientific discoveries in history have you heard about Lead in Let’s watch a short video to know what the Nobel Prize is. Rabindranath Tagore Reading Read the news report and complete the chart below with the main idea of each part. A1 Tu Youyou acquired a broad knowledge of both traditional Chinese medicine and Western medicine. Tu Youyou and her team solved a lot of problems before they successfully discovered qinghaosu Tu Youyou and her team’s efforts finally paid off. The lead The body The tail Discussion “Behind every scientific discovery lies a lot of hard work”, what kinds of problems scientists may have before success Reading Read the news report again carefully and fill in the table below. A2 Tu referred to the ancient books of traditional Chinese medicine again, redesigned the experiments and tried extracting the qinghao herb at a low temperature in order not to damage its effective part. change reference change method Reading Tu and her team managed to find solutions to the problem, e.g. using household water containers instead of research equipment. Find substitution Reading Tu and her team volunteered to test the qinghao extract on themselves. Brave and confidence Watch a video Let’s watch a video to summarise the news reports. Discussion In pairs, discuss the following questions. A3 What qualities did Tu Youyou show as a scientist Use details from the news report to support your ideas. collected over 2,000 traditional Chinese medical recipes, made hundreds of extracts from different herbs. hard-working redesigned the experiments and tried extracting the qinghao herb at a low temperature… Dare to try after 190 failures, she succeeded in making qinghao extract. patient volunteered to test qinghao extract on themselves first. Selfless Discussion Tu Youyou is the first Chinese female scientist to win a Nobel Prize. In your opinion, what is the significance of this achievement Problems Solutions Tu ref ... ...
