Reading(1)：Twolife-savingmedicines.doc

- 3 -Reading 1 Two life-saving medicinesStep1:Lead-inFill in the blanks A good _ tastes bitter. Laugh is the best _ in the world. There is no _ against death.Question:What do good medicines have in common?_How much do you know about the two medicines?_Who invented the two medicines?_What illnesses can the two medicines be used to treat ?_Step2 Listenging1. When was aspirin first sold as a tablet?_2. What did Fleming, Florey and Chain share? _Listen to the article and try to answer the questions in C1 on page 20.Step3Reading(1) Development of aspirin:In 1900: sold in shops in the form of a tabletIn 1971: proved to reduce the risk of heart attacksIn 1977: used to prevent a strokeIn 2003: used to reduce blood sugar levelsDevelopment of Penicillin:In 1928: discovered by Alexander FlemingIn 1940: Made and tested in large quantitiesIn 1944:Mass production began(2) Effects of aspirin Reduce fever Help stop pains Reduce the risk of heart attacks Prevent a stroke Reduce the risk of some cancers Increase the length of peoples lives Reduce blood sugar levels and help with diabetesEffects of penicillinTreat illnesses caused by bacteria.(3)Translate the phrases1.集中于上 L1_2.打開 L2 _3.很有可能 L2_4.挽救的生命 L4_5.由制成 L9_6.發(fā)生 L14_7.以粉末形式 L15_8.被制成片劑被出售L16_9.最暢銷的藥L16_10.減少心臟病的發(fā)作L23_11.進(jìn)行一項(xiàng)研究L24_12.延長(zhǎng)人類壽命L31_13.被認(rèn)為是L33_14.在當(dāng)代L33_15. 在上試用某物L(fēng)39_16.使變純L43_17.成功地做成某事L47_18.大量L48_19. 由于被廣泛使用L50_(4)Fill in the blanks with the correct wordspublished; recommended; ASA; tablet; inventedAspirin is a medicine that was _ in 1897. It has saved and brought relief to millions of peoples lives. It is made from a chemical called _ and was first sold as a tablet in 1900. This was the first medicine to be sold as a standardized _. It works by reducing fever and pain. It is now _ for reducing potential heart attacks, strokes and cancer. Many reports have been _ about how aspirin can improve peoples health.contemporary; discovered; availablepenicillin is a chemical in mould that was first _ in 1928, but it was not until World War II that penicillin was purified to be used as a medicine. It was needed as soon as it was _ because there were many people injured in the war. It was fundamental to saving many thousands of lives and is one of the most important medicines of _ society.Step4.ConsolidationFill in the blanks with proper words according to the reading materialW: Id like to know about the two medicinesaspirin and penicillin. Could you please tell me something about them?M: Ill be glad to. If 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?M: I dont know for sure, either. 3,500 years ago, people (2)c_ on leaves or drank a kind of tea 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 shops as a tablet which became the(6) best-s_ medicine in the world for pain relief.W: Besides reducing fever and pain, what other functions does it have?M: It can also help reduce the risk of heart attacks and some cancers and so on.W: What about penicillin?M: Penicillin 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 (9)p_ it and then pro