资源简介 (共28张PPT)Unit4Scientists who changed the worldReading (I)Learning ObjectivesAt the end of this section, students will be able to:1. summarize the timeline and key information of the news report;2. grasp the structure of the news report;3. master the main idea of each paragraph;4. appreciate the qualities of Tu Youyou as a scientist and the significance of her achievement.Lead-inGuessing Game: Who is this scientist He graduated from South-west Agricultural College.He was awarded “the Medal of the Republic”.He is known as Father of Hybrid Rice.Yuan LongpingGuessing Game: Who is this scientist He was born in Britain.He wrote a book called A Brief History of Time.He suffered from paralysis.He made great contributions to the field of general relativity.Stephen HawkingGuessing Game: Who is this scientist Her name came from The Book of Songs.Excerpt from The Book of SongsHow gaily call the deer,While eating southernwood.----Xu Yuanchong“呦呦鹿鸣,食野之蒿。”Guessing Game: Who is this scientist Her name came from The Book of Songs.She won the Nobel Prize for Physiology or Medicine in 2015.She discovered the artemisinin to treat malaria.Tu YouyouPre-readingPre-reading: Make predictions according to the picture and title.Tips: 5W1HWho When Where What Why HowWhile-readingFast-reading: Read for the type and structure.1. Where would you most possibly find this passage A. In a blog.B. In an E-mail.C. In a letter.D. In a newspaper.2. What is the structure of the text Fast-reading: Read for the type and structure.2. What is the structure of the text HeadlineLeadBodyBodyConlusionA News ReportFast-reading: Read again and match the main idea of each part.Para. 1Para. 2Para. 3-5Para. 6Tu Youyou won a Nobel Prize I 2015 for discovery of qinghaosu.Tu Youyou and her team’s efforts finally paid off.Tu Youyou and her team solved a lot of problems before they successfully discovered qinghaosu.Tu Youyou acquired a broad knowledge of both traditional Chinese medicine and Western medicine.Careful-reading: Read Para.1 and get the most important information.Tu Youyou received a Nobel Prize in 2015 for her discovery of qinghaosu.Tu Youyourecieving a Nobel Prizethe discovery of qinghaosu11 December,2015WhenwhowhatWhyCareful-reading: Read Para.2-5, and complete the timeline of Tu’s experiences.19301951-551969197119722015successfully discoveredqinghaosuborn in Ningbo,Zhejiang Provincestudied medicine atuniversity in Beijingsucceeded in making qinghao extractthat could treat malaria in micebecame head of ateam that intendedto find a cure formalariawon the Nobel PrizeCareful-reading: Read Para.3-5 and finish the table (P46 A2).Problems Solutions Results1 The extracts failed to produce any promising results. In 1971, they succeeded in making qinghao extract.2 Tu and her team could not produce enough qinghao extract because research resources were limited.3 Tu and her team did not have sufficient safety data to start trials on patients.In 1972, they discovered qinghaosu.Careful-reading: Check the answers.Problem Solution Result1 The extracts failed to produce any promising results. In 1971, they succeeded in making qinghao extract.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 effective part.Careful-reading: Check the answers.Problem Solution Result2 Tu and her team could not produce enough qinghao extract because research resources were limited.Tu Youyou and her team managed to find solutions to the problem, e.g. using household water containers instead of research equipment.They produced enough qinghaosu extract.But their health suffered.Careful-reading: Check the answers.Problem Solution Result3 Tu and her team did not have sufficient safety data to start trials on patients. In 1972, they discovered qinghaosu.Tu Youyou and her team volunteered to test the qinghao extract on themselves.Careful-reading: Read Para.6 and answer: What difference did Tu make successfully discovered qinghaosusaved about 200 million malaria patientsencouraged other scientists to explore the traditional Chinese medicinePost-readingReview the text.When they failed to produce any (promise) results, Tu referred to the ancient books of traditional Chinese medicine again. (inspire) by an over 1,600-year-old text about preparing qinghao extract with cold water, Tu (design) the experiments and tried (extract) the herb at a low temperature in order not (damage) its effective part. On October 1971, after 190 failures, she succeeded in (make)qinghao extract that could treat malaria in mice., it was hard to produce enough qinghao extract for large trials because research resources were (limit). Tu and her team managed to find solutions the problem. When there was no research equipment, they had to extract herbs (use) household water (contain). They worked day and night and their health began to suffer because of the poor conditions, but they never gave up.promisingInspiredredesignedto damageextractingmakingHowevertolimitedusingcontainersFurther thinkingQ:What do you think of Tu Youyou She collected over 2,000 traditional Chinese medical recipes, and made hundreds of extracts from different herbs. (L15)hard-working After 190 failures, she succeeded in making qinghao extract. (L21)patient Tu and her team worked day and night and their health began to suffer, but they never gave up. (L26)Committed They volunteered to test qinghao extract onthemselves first. (L31)SelflessFurther thinkingTu shows some qualities as a successful scientist.CooperationSelflessnessBraveryInnovation/ CreativityClevernessDeterminationPersistencePatiencePolitical EducationQ: In your opinion, what motivates Tu Youyou to work so hard She has deep love and great passion for our country.As long as our country needs her, she will complete the task at any cost.PatriotismHomeworkHomeworkRevision: Read the passage again, and share Tu Youyou’s story to your friends.Writing: Rewrite Tu Youyou’s story on your own words. 展开更多...... 收起↑ 资源预览