Unit 4 Section Ⅰ Welcome to the unit and Reading—Preview（课件PPT）-【优化指导】2023-2024学年新教材高中英语必修第三册（译林版2020）

Unit 4　Scientists who changed the world Section Ⅰ　Welcome to the unit and Reading—Preview 栏目索引 预读识记 读文思义 预读识记 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 读文思义 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world to receive studied 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world Inspired However be postponed up off successfully which and 返回导航 英语　必修 第三册（Y） Unit 4　Scientists who changed the world [清障单词] 1．republic n．共和国，共和政体 2．malaria n．疟疾 3．extract n．提取物；选录vt.提取；选录；取出；设法得到 4．herb n．药草，香草，草本 5．trial n. 试用vi.&vt.测试，试验 6．container n．容器集装箱，货柜 7．postpone vt.延迟，延期 8．sufficient adj.足够的，充足的 9．wisdom n．智慧，知识，学问；才智；明智 10．beneficial adj.有益的，有用的 [清障短语] 1．refer to查阅，参考；提到，谈及 2．on trial 试用，受审 3．speed up (使)加速 4．pay off成功，奏效，达到目的 5．through trial and error反复试验 Step 1　Read for the structure Step 2　Careful reading Read the passage carefully and choose the best answers. 1．What's the main idea of the whole passage? A．Qinghaosu，a pure，stronger qinghao extract. B．Tu Youyou，the first female Chinese Nobel Prize winner. C．Tu Youyou's contribution to the traditional Chinese medicine. D．Solutions to the problems that Tu and her team met with in extracting qinghaosu. 2．What's Tu Youyou's major at university? A．Science and nature. B．Agriculture. C．Chinese medicine. D．Chemistry. 3．Which of the following statements is TRUE according to the passage? A．Tu Youyou only knows the traditional Chinese medicine. B．Tu and her team discovered qinghaosu easily and smoothly. C．Qinghaosu was discovered after many difficulties. D．Tu was awarded the Nobel Prize as soon as qinghaosu was discovered. 4．What can be inferred from the passage? A．All sufferings have their reward. B．There is no royal road to learning. C．A man becomes learned by asking questions. D．It is never too old to learn. 5．Where is the passage probably taken from? A．Fashion magazine. B．Travel brochure. C．Medicine report. D．A news report in a newspaper. 答案　1～5　BCCAD Step 3　Post reading Fill in the blanks according to the passage or the given words. Because of her contribution to the fight against malaria, Tu Youyou has become the first female scientist of the People's Republic of China 1.__________(receive) a Nobel Prize . Born in 1930 in Ningbo, Zhejiang Province, Tu 2.__________(study) medicine at university in Beijing and acquired a broad knowledge of both traditional Chinese medicine and Western medicine. In 1969 Tu became head of a team that intended to find a cure for malaria. 3.________ (inspire) by an over 1, 600­year­old text about preparing qinghao with cold water, she succeeded in making qinghao extract that could treat malaria. 4._________ the trials on patients were likely to 5.____________(postpone) because they did not have sufficient safety data. To speed 6.__ the process and ensure its safety, Tu and her team volunteered to test qinghao extract on themselves first . The efforts of Tu and her team finally paid 7.___.In November 1972, they 8.____________(success) discovered qinghaosu, 9._____ is now a key part of many malaria medicines. Tu encouraged scientists to further explore the treasure house of traditional Chinese medicine 10.___ raise it to a higher level . $$