仁爱八年级英语上册精品课件U4T2SB.ppt

仁爱版八年级英语上册 Unit 4 Our WorldTopic 2 Are you sure there are UFOs? Section B Unit 4 Our WorldTopic 2 Are you sure there are UFOs? Section B  planet n. 行星 Key points A UFO flew over my head while I was walking toward the bus stop yesterday. Key points Even scientists aren’t sure whether there are UFOs. Make conversations. Will robots make humans lose their jobs? Example: Are there UFOs? ? Can robots do some work faster and better than humans? Will robots make humans lazy? I’m sure robots can (not) do some work faster and better than humans.I’m not sure whether robots can do some work faster and better than humans.  I’m sure robots will (not) make humans lazy.I’m not sure whether robots will make humans lazy. mistake v.弄错，误解 n. 错误 make a mistake  by mistake  mistake … for … 把……错当成 People often mistake some man-made objects such as kites or balloons for UFOs. Last night, while Jim was sleeping, he saw a UFO flying over his head. Jim was afraid. He never read any _________ about UFOs from books or the ________. The UFO didn’t look like a plate at all. It didn’t look like any _________objects such as a kite or a _______, either. While he was trying to call for help, an alien _______out of the UFO and said to him, “Get up, or you’ll be late for school!” He woke up and saw his mother. Oh! It was just a dream. Discuss the following questions: 1.What was Jim doing when he saw a UFO last night? 2.Was Jim happy to see it? 3.Did the UFO look like a plate? 4.What happened while Jim was trying to call for help? 5.Who was the real “alien”? Summary be sure (that) … be not sure whether/if … … , while … 在……期间 Homework Thanks for listening! Goodbye! * What’s this? What does it look like? = plate UFO (Unidentified Flying Objects) = Flying Saucer I am sure there are no living things on other planets. 1a Look, listen and say （影片1） Read 1a again and