Unit 1 Discover useful structures (ppt课件)-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、Unit 1People of AchievementDiscover useful structuresSentence Type Antecedent(先行词）Part of speech in a sentence(句子成分）Function1.restrictive2.non-restrictive3.non-restrictive4.non-restrictive1.hundreds of Chinese medical treatments2.the Nobel Prize3.Hainan4.malaria patients1.subject2.subject3.adverbial

2、4.object1.Describe and modify(修饰）the kind of medical treatments they tested.2.Give extra information about the Nobel Prize.3.Give extra information about Hainan.4.Give exxtra information about the patients.Make a comparsion.限制性定语从句（restrictive relative clauses)形式功能非限制性定语从句（non-restrictive clauses)1.

3、可用that引导从句1.可用关系代词和关系副词，但通常不能用that引导从句2.从句前一般不用逗号隔开2.从句和先行词或主句之间一般用逗号隔开1.从句与先行词关系紧密，对先行词对意义起限定作用，不可或缺1.从句对先行词或整个主句起补充说明，解释、评论等作用2.只能修饰先行词，不修饰整个主句2.既可修饰先行词，又可修饰整个句子Analyse the sentences.Tu Youyou,who was born in Ningbo,China,on 30 Dec.1930,was a committed and patient scientist.Based on a medical text

4、 which suggested using sweet wormwood to treat malaria,she and her team drew out the artemisinin,for which she was awarded the 2015 Nobel Prize for Physiology or Medicine.Hundreds of thousands of lives are thought to be saved by artemisinin,which has become a vital part of the treatment for malaria.

5、Step 1:judge main and secondary information.Step 2:choose relative(关系词）Step3:judge whether to add commaFinish the exercise.Sone Qingling,who was Dr Sun Yat-sens wife and one of the top leaders in modern Chinese history,devoted her life to improving the welfare of women and children.Neil Armstrong,wh

6、o was the first man to land on the moon in July 1969,said,“Thats a small step for(a)man,one giant leap for mankind.”Norman Bethune,who came to China in World War,worked selflessly in China as a doctor and saved many Chinese people.Lu Xun was a leading figure of modern Chinese literature.Lu Xun Literary Prize,which is one of Chinas top four literary prizes,is awarded every three years.Joan of Arc,who was a girl dressed as a man,went to fight for her country.She helped drive the English invaders out of France.Homework1.Finish exercise 3 on page 5.2.Finish the paper.