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1、Reading 1Unit2Two life-saving medicinesUnit 2 课件描述：课件描述： 本课件为本课件为reading第一课时。课件分为六部第一课时。课件分为六部分，首先通过问题导入文章，加以听力，泛读，分，首先通过问题导入文章，加以听力，泛读，精读训练帮助学生了解文章大意，继而介绍文精读训练帮助学生了解文章大意，继而介绍文章阅读技巧，最后是巩固和复习部分。本课教章阅读技巧，最后是巩固和复习部分。本课教学主要通过介绍技巧，辅助学生掌握大意，了学主要通过介绍技巧，辅助学生掌握大意，了解文章重点难点，并在其中贯穿听说基本训练。解文章重点难点，并在其中贯穿听说基本训练。达到
2、听、说达到听、说、读的综合训练效果。读的综合训练效果。Unit 2 Reading 1Lets warm upFill in the blanksA good _ tastes bitter.Laugh is the best _ in the world.There is no _ against death.Question:What do good medicines have in common?Although there is no medicine against death, but good medicines can make people feel better, and
3、 save peoples lives.Two life-savingmedicinesWhat medicines have you ever taken? And what do you know about them?What about the two medicines? How much do you know about the two medicines? Who invented the two medicines? What illnesses can the two medicines be used to treat ?1. When was aspirin first
4、 sold as a tablet? In 1900.2. What did Fleming, Florey and Chain share? The Nobel Prize.Listen to the article and try toanswer the questions in C1 onpage 20.Answers:1. About 2500 years ago.2. In 1897.3. It can also help reduce the risk of heart attacks by thinning blood, prevent a stroke, reduce the
5、 risk of colon cancer, increase the length of peoples lives and help with diabetes.4. In the mould that killed bacteria.5. It can be used to treat bacterial illnesses and other illnesses including pneumonia.6. Because Fleming discovered penicillin and the others turned it into the great drug which s
6、aved millions of lives.In 1900:In 1950:In 1971:In 1977:In 2003:sold in shops as a tabletas the best-selling painkiller recorded in the Guinness Bookproved to be a blood-thinning medicineused to prevent a strokeused to reduce blood sugar levelsDevelopment of aspirin:In 1928:World War II:In 1945:disco
7、vered by Alexander Fleming found new chemical techniques to purify itall the scientists shared the Nobel PrizeDevelopment of Penicillin:Fill in the boxes.Sold in shops as a tablet19001928Discovered by Alexander FlemingWorld War IIFound new chemical techniques to purify itAll the scientists shared th
8、e Nobel Prize1945As the best-selling painkiller recorded in the Guinness Book195019711977200319001928World War II19451950197119772003Proved to be a blood-thinning medicineUsed to prevent a strokeUsed to reduce blood sugar levelsEffects of aspirinReduce feverHelp stop body painsReduce the risk of hea
9、rt attacksPrevent a strokeReduce the risk of colon cancerIncrease the length of peoples livesHelp with diabetesEffects of penicillinHelp in treating wounds and infectionsTreat other illnesses including pneumoniaDo you believe that wonder drugs will be invented to treat diseaseslike AIDS in the futur
10、e?Words coming from the same stem:Words that are compound words:Words with irregular plural forms:How can we understand medical terms? Words coming from the same stem:medicine, medical, medicinal;pure, purify;chemical, chemist;bacterium, bacterialWords that are compound words:painkillerblood-thinnin
11、gheart attackacetylsalicylic Words with irregular plural forms:bacteriabacteriumConsolidationFill in the blanks with proper words according to the reading material.W: Id like to know about the two medicines aspirin and penicillin. Could you please tell me something about them? M: Ill be glad to. If
12、you open up any medicine cupboard in the world, it is (1)l_ that you will find aspirin and penicillin. Both of them have saved many peoples lives since they were invented. W: When was aspirin invented?ikelyM:I dont know for sure, either. 3,500 years ago, people (2)c_ on leaves or drank a kind of tea
13、 made from leaves (3)p_ a special chemical to reduce body pains and fever. In 1897, a European chemist produced ASA from some chemicals to make a medicine for his father. The first (4)t_ of this medicine took place in 1899 when the powder form began to be used with(5)p_. In 1900, it was sold in shop
14、s as a tablet which became the (6) best-s_ medicine in the world for pain relief.rialsatientshewedossessingellingW: Besides reducing fever and pain, what other functions does it have?M: It can also help reduce the risk of heart attacks and colon cancer and so on.W: What about penicillin?M: Penicilli
15、n was (7)d_ by a Scottish scientist in 1928.He thought it might help in treating wounds and illness (8)c_ by bacteria. But it was not until World War II that two other scientists managed to use new chemical techniques to ausediscovered(9)p_ it and then produced it in large (10)q_. Thanks to it, many lives were saved during World War II. It can also treat other illnesses(10)i_ pneumonia.W: Ive learned a lot today. Thank you.M: Its a pleasure. urifyuantitiesncludingHomework Review the whole article, underline the phrases and words you dont know.
