M7U2reading1课件.ppt

Unit 2 Reading the two life-saving medicines Short discussion:If you want to keep healthy and increase the length of your life,what will you do?right foodzxxkxueyikejiregular exerciseenough sleepquit smoking/drinking When you fall ill,what will you do?have an injectiontake medicine-Lets warm upFill in the blanksvA good _ tastes bitter.vLaugh is the best _ in the worldvThere is no _ against death.vDo you know what they are?aspirinpenicillinLead-in:1.Have you ever taken aspirin and penicillin?2.How much do you know about the two medicines?Fast reading:1.What are the two medicines mentioned in the article?2.When was aspirin first sold as a tablet?3.What did Fleming,Florey and Chain share?Aspirin and penicillinIn 1900The Nobel Prize Detailed reading:Reading comprehension:Choose the best answers.1.We learn from passage that the trial use of aspirin in powder form may date back to_.A.2500 years ago B.3500 years ago C.1897 D.18992.Aspirin has been sold in the form of tablets for _.A.nearly 3500 years B.nearly 60 yearsC.at least 110 years D.40 years3.Penicillin was discovered in_and saved many lives in .A.1914;World B.1928;World War C.1929;Vietnam War D.1945;World War 4._contributed to the mass production of penicillin.A.Alexander Fleming and Howard FloreyB.Ernst Chain and Yuan MinshengC.Alexander Fleming and LawrenceCravenD.Howard Florey and Ernst Chain5、Why did Fleming share the Nobel Prize with other two scientists in 1945?A.Because they all discovered the drug penicillin almost at the same time.B.Because the other two scientists helped Fleming discover penicillin.C.Because the other two scientists succeeded in purifying（提（提纯纯）penicillin and producing it in the ample quantities.D.Because mass production of penicillin didnt begin until 1944.6.“It”here in the sentence“-there was blue mould in it.”(Line 37)refers to_.A.penicillin B.experiment C.dish D.bacteria7.Which one is right?A.Chain named the liquid made from the mould”penicillin”.B.Aspirin treats illnesses caused by bacteria.C.In 1940 aspirin was made and tested in large quantities.D.Penicillin saved millions of people and was the greatest medicine in the 2oth century.8.The article is mainly about the _of penicillin and aspirin.A.effects B.development C.uses D.invention9.The author holds a/an _attitude towards the use of the 2 drugs.A.objective B.concerned C.supportive D.persuasive1.Penicillin,this pain-killing medicine is considered by many to be one of the most important medicines in contemporary society.2.Alexander Fleming managed to make the medical pure to be a medicine.3.Due to the widespread use of penicillin,many lives were saved during World War Two.4.Penicillin is also used to treat other illnesses including reduce the risk of heart attacks.Fbacteria-killingwas unable toFTFAspirinEffects of aspirin Reduce feverHelp stop body painsReduce the risk of heart attacksPrevent a strokeReduce the risk of some cancersIncrease the length of peoples livesHelp with diabetesEffects of penicillinTreat illnesses caused by bacteriaDiscussion:What would the world be like if the two medicines had not been discovered?1.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.2.The first trials of this medicine took place in 1899 when the company Hoffmann worked for began giving the medicine in powder form to physicians to use with patients.将近将近3500年前，人们咀嚼一种含有特殊化学物质年前，人们咀嚼一种含有特殊化学物质的树叶或饮用这种树叶制成的茶，以减轻身体疼的树叶或饮用这种树叶制成的茶，以减轻身体疼痛或退烧。痛或退烧。对该药进行的首批试验发生在对该药进行的首批试验发生在1899年。当时，年。当时，霍夫曼供职的公司开始将这种药以粉末形式分发霍夫曼供职的公司开始将这种药以粉末形式分发给医师，在病人身上使用给医师，在病人身上使用。3.It was in 1897 that a European chemist called Dr Felix Hoffmann produced aspirin from this chemical.4.Not only has aspirin proved vital for reducing fever and helping stop pain,but there are also other things that aspirin can help with.阿司匹林不仅被证明对于退烧和止痛必不可少，阿司匹林不仅被证明对于退烧和止痛必不可少，而且还有其他用途。而且还有其他用途。1897年，一位名叫费利克斯年，一位名叫费利克斯霍夫曼的欧洲药剂师霍夫曼的欧洲药剂师提取这种化学物质，制成了阿司匹林。提取这种化学物质，制成了阿司匹林。5.It astonished him to see the bacteria surrounding the mould dead,which meant that the mould had killed them.使他十分惊讶的是，他看到这种霉周围的细菌都使他十分惊讶的是，他看到这种霉周围的细菌都死了，这意味着是这种霉杀死了它们。死了，这意味着是这种霉杀死了它们。1.f 2.a 3 d 4.g 5.b 6.c 7.e Thank you!