Unit 1 People of achievement Learning about language 课件- 2022-2023学年高中英语人教版（2019）选择性必修第一册

Unit1 People Of Achievement Learning about language Build up your vocabulary PART.01 2 Review the story of how artemisinin was discovered by using the words below. boil, liquid, extract, substance, conclude, committed, acknowledge, objective, crucial, apparently, obtain, insist 3 Task 1 boil botanical properties liquid substance 4 1..., and decided to review ancient Chinese medical texts to find traditional botanical treatments for the disease. 2.Her team examined over 2,000 old medical texts, and evaluated 280,000 plants for their medical properties. 3.They then tried boiling fresh wormwood, and using the liquid obtained from this to treat malaria,but this did not work either. 4.She concluded that boiling the sweet wormwood apparently destroyed its medical properties. 5.Using a lower temperature to draw out the extract, she found a substance that worked. Read the sentences aloud. 5 Task 2 distinction evaluate commitment concluded analysing 6 distinct indistinct distinguish distinctive distinction commit commission commitment committed value valueless invaluable valuable evauation evaluate 7 conclude concluding distinguish conclusion analyse analyser analytical analysis 8 Task 3 acknowledged objective apparently crucial obtained insisted 9 Discover useful structures Part 02 10 Task 1 11 限制性定语从句 非限制性定语从句 从句与先行词关系紧密，对先行词的意义起到限定作用，不可或缺 从句对先行词或整个主句其补充说明，解释，评论等作用 只能修饰先行词，不修饰整个主句 即可修饰先行词，也可修饰整个主句 可用that引导从句 可用关系代词和关系副词，但通常不用that引导 从句前一般不用逗号隔开 从句和先行词或主句之间一般用逗号隔开 12 1.(2019·全国卷Ⅱ，62)Now Irene Astbury works from 9 am to 5 pm daily at the pet shop in Macclesfield, ___________ she opened with her late husband Les. 2.(2018·浙江高考，57)Many westerners _______ come to China cook much less than in their own countries once they realize how cheap it can be to eat out. 3．They worked for two hours to rescue the man _______ was injured in the accident. 4.Lichun is a Chinese word for one of the 24 solar terms, ________ means the beginning of spring. 5.We