1、教学教材：外研版高中英语新教材必修第三册教学教材：外研版高中英语新教材必修第三册教学内容：教学内容：Unit 3 The world of ScienceUnit 3 The world of Science第四课时：第四课时：Listening & SpeakingListening & SpeakingDo you know who they are?Margaret Hilda ThatcherRonald ReaganBoth of them had Alzheimers disease when they were old.slow responseshort-term memory
2、 degradationdecreased ability to understand and expressrepetition of speechsenile dementia老年痴呆 What is Alzheimers disease? P31Listen to the conversation and number the pictures in the correct order. 7Radio7cbdaeListen again and complete the notes.8Radio8What is it? Its _.Who was it invented by? It w
3、as invented by _ called Kenneth.Who inspired the invention? _ , who has Alzheimers.How does it work?_ is sent to a mobile phone like an alarm when the person with it_.a pair of socks designed for people with Alzheimers disease.a student from New YorkHis grandfatherA warninggets out of bed9Work in pa
4、irs. Act out the conversation about the invention of the telephone. P85 9Background: Bell was a teacher at a school for the deaf. He tried to invent a machine to send messages over an electronic wire. This eventually led to the idea of a telephone. Later, with his assistant, he created a device to p
5、roduce and receive sound waves using electrical signals.First phone call: On 10 March 1876, Bell made the first clear and complete phone call to his assistant, saying, “Mr Watson-come here-I want to see you.”Other information: Bell never had a telephone in his study, where he wanted to be alone with
6、 his thoughts and work. 9Student AYou are going to give a presentation about the invention of the telephone. As part of your research, you speak to Student B who has just read a book about it. Ask him/her questions to find out more information. Information youd like to know: (P82)- the inventor- yea
7、r of invention- the invention process- the first phone call- other interesting things about the invention9Useful expressionsWho invented-?When was - invented?How was -invented?What was the first phone call about?What other interesting things-?Student ALearning to learn9Student BYouve just read a boo
8、k about the invention of the telephone. Student A, who is going to give a presentation on the same topic, asks you for information.- the inventor: Alexander Graham Bell- Invention created in 1876 9Student BUseful expressionsThe telephone was invented by-In-When -, he-He later-, and finally-The first
9、 phone call was about -It is interesting that -A Who invented-? When was - invented? How was -invented? What was the first phone call about? What other interesting things-?B The telephone was invented by- In - When -, he- He later-, and finally- The first phone call was about - It is interesting tha
10、t -Fill the form10Some other important inventions! Eg: Thomas Edison invented the light bulb in 1879. Wright Brothers invented the plane in 1903. James Watt invented the steam engine in 1781.Paper making was invented by Cai Lun in the Eastern Han Dynasty.Fill the form10Work in pairs. Choose this one
11、 or another story of an invention you know and have a similar conversation. Exclamatory sentences express strong emotions, such as surprise, shock, joy, emphasis and excitement. These are usually formed with what or how, and in written form usually end with exclamation mark. Learning to learnWhat good time the children are having!How beautifully the girl dances!What great progress youve made! (More sentences -) Eg:
