北师大（三起）三年级英语下册课件 unit 12 Review（四）.pptVIP

1a. Groupwork Look at the things below. In what orders do you think they were invented? Number them [1-5] 5 2 4 1 3 1b. Listen and match the inventions with the dates. 1885 1976 a b 1971 1876 c d 1927 e According to what you have listened, answer the questions below. 1. What did the grandma have when she was young? 2. Why didn’t they have a television at that time? 3. Does grandma have personal computer now? Telephone and car. Because it was expensive. Yes, she does. 1c. Pairwork When was the computer invented? I think it was invented in 1976. ______ Shoes with adjustable heels It’s used for scooping really cold ice cream. Right. It was invented by Chelsea Lanmon. _______ battery-operated slippers _______ heated ice cream scoop 2a.Listen and number the inventions in the order. 3 1 2 2b. Listen again and match the items in columns. Invention Who was it/ were they invented by What is it/ are they used for? shoes with adjustable heels Chelsea Lanmon scooping really cold ice cream battery-operated sneakers Jayce Coziar and Jamie Ellsworth seeking in the dark heated ice cream scoop Julie Thompson changing the style of the shoes 2c. Pairwork What is it used for? It is used for seeing in the dark. 3a. Hate it or like it? alarm clock camera light bulb herbicide microwave oven refrigerator vedio graphying machine 3b. Pairwork A: what do you think is the most helpful invention? B: I think the most helpful invention is the computer. A: why is that? B: Because it helps me search the information that I need. 4. Groupwork Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island with you. A: I’d like to have a radio because I could listen to music all day. B: Yes, but that’s not going to help you leave the island. I think it would be better to have a telephone. Explanation 1. It’s used for scooping really cold ice cream. be used for 意为“被用来…