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课件网) Unit 4 Inventions 主题范畴： 人与社会 主题群： 科学与技术 子主题： 科学技术与工程，人类发明与创新 Key question What makes an invention great learn some words, like “benefit”, “distance”, “avoid”; draw a mind map before writing about my idea for a new invention; write an article about a new invention with what I have learnt in this unit. Learning objectives 学习目标 At the end of the class, I’ll be able to: benefit / ben f t/ n. 益处；优势 wing /w / n. （飞行器的）翅膀；机翼 distance / d st ns/ n. 距离 petrol / petr l/ n. 汽油 avoid / v d/ v. 避免；防止 anywhere / eniwe (r)/ adv. 在（或去）任何地方 traffic jam 堵车；交通阻塞 New words and phrase Lead in Writing an article about a new invention Teen Life Magazine The School Science Festival will start next week. We are looking for students’ ideas for new inventions to put on the school website. Please write an article about your idea for a new invention and send it to us. Wang Yao drew a mind map before she wrote about her idea for a new invention—a flying car. Look at the mind map and read her article to find out how she organized her ideas. Look and find. useful expressions ①在陆地上行驶 ②在空中飞行 ③最高时速300公里/小时 ④行驶更远的距离 ⑤通过语音控制 ⑥变成一架飞机 ⑦像鸟一样自由 ⑧使用太阳能 ⑨避免交通堵塞 ⑩欣赏风景 ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ While-writing Now describe your own invention. Step 1 Plan Draw a mind map for your own invention. A smart backpack Step 2 Write Write about your invention. You can also draw a picture of it. My Invention — A Smart Backpack My invention is a smart backpack. It’s really good, helpful and easy to use. The backpack has a nice look. It has a big part to put things and some small pockets. It’s made of light and waterproof material. There’s a little screen on one side and a place to charge phones on the other. It can sort your stuff. When you put books, notebooks and pens in it, it uses small tools to keep them tidy. It can tell you how heavy the backpack is. If it’s too heavy, it will send a message to your phone. One possible version There’s a solar panel on top. So, it can charge your phone when there’s sun. You can find your things easily. No more looking for things everywhere! The weight-telling part helps you not carry too much. This is good for your back. With solar charging, you don’t need to worry about your phone dying when you’re out. For students, it makes school life easier. They can carry books well and keep phones charged for study or fun. For travelers, it’s great. They can keep things tidy, know the weight to avoid back pain, and charge things when traveling. It’s also good for the earth. Solar charging means we use less extra power. Step 3 Check and revise Tick ( ) the boxes to check your writing, and then revise it. I wrote about the main features of my invention, such as _____, and what it looks like. I described what it can do and how it is used. I u ... ...
