老师：Hello, everyone. I am Liu Meng, an English teacher coming from Liangshan High School of Function District, Beijing. It's such a happy thing for me to have a chance to learn Unit 3, The World of science lesson 3, Invention stories with you. At the very beginning, let's have a look at what we will do together in today's class. At the end of the class, we will be able to get the main idea of a conversation and put the pictures in the correct order, note down some information and complete the notes. Introduce the invention with the help of the pictures and notes. Act out a conversation about the invention of the telephone. Make a similar conversation about another invention.
老师：Now we will start our learning journey, everybody. Do you know the words on the screen? Read them after me. Alzheimer's disease. Do you know what kind of disease it is? Please open your book to page 31 and read the short article in the digital part to get more information. After reading the passage, please find answers to the following questions.
老师：Number one, which body part does Alzheimer's Disease affect? Number two, who are more likely to be patients with this disease? Now, you have two minutes to do this. Have you found the answers? Let's check them together. Answer one, alzheimer's disease affects the brain, causing problems with memory, thinking and behavior. Answer too, people who are 16,5 and above are more likely to be patients with the disease. Have you got them both right? Well done.
老师：From the passage, we know that although there is no cure for alzheimer's, scientists are researching ways to improve the quality of life for people living with the disease. The conversation we are going to listen to is about an invention especially designed for people living with the disease. Please look at Activity 7 on page 31. You need to listen to the conversation and number the pictures in the correct order. Before listening, please observe the pictures and talk about what each picture is about. In Picture a, we can see a boy is making something. In picture B, there are three people. One is sleeping on a bed. Well, the other two are sitting at a desk. In picture C, we can see a man has got lost on the street. In picture d, somebody is drawing a picture. And in picture E, we can find a man is walking while the boy is watching a cell phone. Have you got any idea about this invention story? Listen to the conversation and check your prediction.
学生：Hey, look, I've read about a cool invention in this magazine.
学生：A pair of socks.
学生：Yes, but they're not ordinary socks. This is a product designed for people with alzheimer's disease.
学生：Oh, yes, I saw a TV show about that. It was invented by a student from New York called Kenneth. He even won an award for it at a scien
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