Reading(2)：Twolife-savingmedicines.doc

M7U2 Period 2 Reading（2）Language focus【教学目标】 In this class, students will:1. grasp the usage of some important words and phrases;2. understand some complex sentences and the grammar points.2. put what they have learned in the passage into practical use ;3. know how to keep healthy through discussion.4.【重点难点】1. How to help students grasp the important language points2. Have a better understanding of five grammar points:1) Master the structure “Its likely that ”2) Pay attention to the use of postpositive 3) Emphasis pattern “It is that ” and “Its not until that ”4) Partial inversion “not only , but also ”5) Appositive Clause6) Subjunctive mood with “if”3. How to put what they have learned in the passage into practical use.【教学环节】Step 1 Lead in -RevisionAspirin has saved many peoples lives by reducing fever and helping stop p_. Lawrence Craven introduced the idea that aspirin could reduce the r_ of heart attacks by c_ blood better. Later on many scientists proved that aspirin could prevent many diseases. It is now r_ for reducing potential heart attacks, strokes and cancer.Penicillin, discovered by Alexander Fleming in 1928, is c_ to be one of the most important medicines in contemporary society. Howard Florey and Ernst Chain managed to use new chemical techniques to p_ it to be a medicine. Due to its widespread a_, many lives were saved. In 1945, Fleming, Florey and Chain s_ the Nobel Prize in Medicine for their work.Step 2 Sentence Analysis1. If you open up any medicine cupboard or go to medicine counter in the world, it is likely that you will find aspirin and penicillin.(L2-3)【知识运用】：一句多译 ：(possible/probable/likely/possibility)他可能会把车借给我们。1) 2) 3) 4) 2. Nearly 3500 years ago, people chewed on leaves or drank a kind of tea made from leaves possessing a special chemical to reduce body pains and fever. (L8-10)【自我归纳】Find similar structures to the underlined parts in the passage Line 11-12 Line 12-13 Line 23-24 Line 34-35 Line 37-38 Line 40-41 Line 41-42 Line 44-453. It was in 1897 that a European chemist produced aspirin from this chemical. (L12-13)【活学活用】1)改写句子强调主语 强调宾语 2)强调句的特殊问句结构: 到底是谁打破了这扇窗户？ 我想知道到底是谁打破了这扇窗户。 4. However, it was not until World War II that two other scientists managed to use new chemical techniques to purify it. (Lines46-48)A.【知识点回顾】直到才（三种句型结构）1） 2） 3） B. 【灵活运用】-句型转变1） However, two other scientists manage to use new chemical techniques to purify it World War II.2） However, World War II two other scientists manage to use new chemical techniques to purify it.C【牛刀小试】直到能大量生产，青霉素才拯救了许多生命。1） 2） 3） 5.Not only has aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with. (L18-19) 【知识运用】：1) Not only _ able to escape out of the hotel on fire, but he also helped the fire fighters put out the fire. A. he was B. he is C. is he D. was he 2）_, but we should also cheer for those who tried their best in the competition.A. Not only we are proud of the medal winnersB. Not only do we are proud of the medal winnersC. Not only are proud of we the medal winnersD. Not only are we proud of the medal winners6. Lawrence Craven, a doctor from the USA, introduced the idea in 1953 that aspirin had the potential to reduce the risk of heart attacks, because it helped the blood circulate better. (L19-22) 【知识点拓展】-从句引导词The general gave the order the soldiers should cross the river at once.Well discuss the problem the sports meeting will be held on time.The thought came to him maybe the enemy had fled the city.7. If penicillin had not been available, many people would have died from sickness or even small wounds. (L51-52)【温故而知新】从句谓语主句谓语虚拟现在虚拟过去虚拟将来【注意】if 引导的虚拟条件句中，若有 以及 ，则可以省去if，把这些词提前，出现省略倒装形式。【知识运用】：(1)Maybe if I _ science，and not literature then，I would be able to give you more help.Astudied Bwould study Chad studied Dwas studying(2)Had I known about this computer program，a huge amount of time and energy _.Awould have been saved Bhad been savedCwill be saved Dwas savedStep 4 FeedbackPicture talking: according to the picture and the key words, make up a sentence using the certain grammar point.Step 5 DiscussionIn our daily life, how can we keep fit?Step 6 WritingAccording to the results of discussion, write a short speech, using as many language points in the passage as possible.References:1. 健康的重要性？ 1）健康重于一切。没有健康，一切都没有意义 2）学习和工作的重要保证，享受生活乐趣的前提 3）有助于建立良好的人际关系2.