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1、M7Unit2FitforlifePeriod 2-3Reading Teaching aims and demands: 1.Enable the students to master the usage of new words and phrases 2.Enable the students to know development of the two medicines . 3.To help the students to improve their reading , speaking ability Teaching importa
2、nt and difficult points: 1.Help the students to improve their listening ,reading and speaking ability2.Help the students master the reading strategy . 3.Inform them of more about the two medicines. Teaching aids:the multimedia and the blackboard Teaching methods: listening and
3、 speaking pair work and group workTeaching procedures: Step 1.Lead-in:A free talk with students: ⑴.Have you ever taken aspirin and penicillin? ⑵.How much do you know about the two medicines? ⑶.What other illnesses do they cure? Step 2.Fast reading Read the passage again and an
4、swer the following questions: 1. What are the two medicines mentioned in the article? (Aspirin and penicillin) 2.When was penicillin first discovered? (In 1928.) 3. What award did Fleming, Florey and Chain share? (The Nobel Prize.) Step3. Detailed reading Ask the students to
5、read the passage again carefully and answer the detailed questions 1. When did people find that drinking a special tea could reduce fever and pain? (About 2,500 years ago) 2.When was aspirin first made? ( In 1897) 3. What other things can ASA help with besides reducing fever
6、and pain? (It can also help reduce the risk of heart attacks by thinning blood, prevent a stroke, reduce the risk of colon cancer, increase the length of people‟s lives and help with diabetes.) 4. Where did Alexander Fleming find penicillin? (In the mould that killed bacteria)
7、 5. What illnesses can penicillin be used to treat? (It can be used to treat bacteria illnesses and other illnesses including pneumonia.) 6. What difficulties did Fleming have in developing penicillin as a drug? (First he was unable to find a procedure to make penicillin pure
8、 enough to work as a medicine. Second, it was difficult to pr
