Unit 4 Scientists who changed the world Section Ⅰ （课件PPT）-【优化指导】2022-2023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 谢谢观看！ [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 w