(课件网) Unit 4 Scientists who changed the world Welcome to the unit & Reading Ⅰ.明文章大意 1.Where would you most likely find this passage A.In a blog. B.In a book. C.In a newspaper. D.In a letter. Step 1 速读———整体理解文意 √ 2.What is the passage mainly about A.Chinese scientist Tu Youyou’s career. B.Chinese scientist Tu Youyou and her team. C.Chinese scientist Tu Youyou’s lecture. D.Chinese scientist Tu Youyou and the discovery of qinghaosu. √ Match the main idea of each part. Part 1(Paragraph 1) A.Tu acquired a broad knowledge of both traditional Chinese medicine and Western medicine. Part 2(Paragraph 2) B.Tu and her team solved a lot of problems before they successfully discovered qinghaosu. Part 3(Paragraphs 3－5) C.Tu and her team’s efforts finally paid off. Part 4(Paragraph 6) D.Tu Youyou won a Nobel Prize in 2015 for her discovery of qinghaosu. Ⅰ.Read Para.1 carefully and do the following exercises. 1.Fill in the table below. Step 2 细读———逐段获取细节 who _____ what _____ when _____ why _____ Tu Youyou Received a Nobel Prize In 2015 For her contribution to the fight against malaria 2.What is the main idea of Para.1 答案 Tu Youyou received a Nobel Prize in 2015 for her discovery of qinghaosu. Ⅱ.Read Paras.2－5 carefully and do the following exercises. 1.Complete the timeline about Tu’s personal experiences with the information from the text. ①Born in Ningbo，Zhejiang Province. ②Studied medicine at university in Beijing. ③Won the Nobel Prize. ④Succeeded in making qinghao extract that could treat malaria in mice. ⑤Became head of a team that intended to find a cure for malaria. ⑥Successfully discovered qinghaosu. ② ④ 2.What can we learn from Tu’s personal experiences 答案 Knowledge is power. Opportunity favors only the prepared mind. It’s never too late to learn. 3.How long did it take Tu and her team to extract qinghaosu A.Less than one year. B.About two years. C.About three years. D.Less than two years. √ 4.Which word can be used to replace the word “promising” in Para.3 A.Deadly. B.Hopeful. C.Surprising. D.Disappointing. √ 5.What do the underlined numbers in the following sentences suggest (1)She collected over 2,000 traditional Chinese medical recipes for malaria treatment and made hundreds of extracts from different herbs. (2)...after 190 failures，she succeeded in making qinghao extract that could treat malaria in mice. 答案 These numbers suggest the patience and persistence of Tu and her team. 6.Tu and her team met some problems in the process of finding the cure for malaria.How did she and her team solve these problems Read Paras.3－5 carefully and fill in the table below. Problems Solutions The extracts failed to produce any promising results. (1)Tu Youyou 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 e ... ...
