Unit 4 Topic 1 Section D 课件 2024-2025学年仁爱科普版九年级英语上册

Unit 4 Topic 1 When was it invented ? Section D Korean 1.Korea 韩国n. _韩国的adj 2.think 思考v. _想法n.3.imagine 想象v. _想象n.4.explore 探险v. _探险者n.5.invent发明v. _ 发明 n. _ 发明家 n. 词形变化 thought imagination explorer invention inventor be made of/ from be made in be made by 1. 由……制成 _2. 在……(地方)制造 _3. 被某人制造 _4. 被用来做…… _5. 在某事上花费时间_6. 在做某事上花费时间_7. 某一天 _ 重要词组 be used for doing sth be used to do sth spend...on spend... doing sth some day one day It’s said that come true 8. 实现 _9. 据说…… _10. 以便 _11. 出现; 发生 _12. 嘲笑 _13. 查明 _14. 只要 _ 重要词组 so that come about laugh at find out as long as 情景交际 1.你想知道这个桌子是用什么制成的,可以这样问: ?2.你想知道纸张是用什么制成的,可以这样问: ?3. 你想知道桌子被使用于做什么,可以这样问爸爸: _ _?4. 你想告诉老师是谁发明了火箭, 可以这样问: _ _? What’s the paper made from What’s the desk made of What’s the desk used for Who invented the rocket 情景交际 5.你想知道电灯泡是什么时候被发明的,你可以这样问: ?6.你想问老师相机是在哪里被发明的, 可以这样问: _ _?7.Tony告诉了你他的梦想,你祝愿他梦想成真。你可以这样说: .8.你告诉朋友希望自己有一天能去太空,你可以这样说: . Where was the camera invented When was the light bulb invented I hope your dream will come true I wish I could go into space some day 一般过去时的被动语态 构成:_ +及物动词的 _ was/were 过去分词 重要语法 如: 灯泡是在1879年发明的。 1. 肯定句: The light bulb _ _ in 1879. 2. 否定句: The light bulb _ _ in 1879. 3. 一般疑问句:_ the light bulb _ in 1879? 肯定回答: Yes, it _. 否定回答: No, it _. wasn’t invented was invented Was invented was wasn’t (4)特殊疑问句: 灯泡是什么时候发明的? _ _ the light bulb _? invented When was 用括号内所给动词的适当形式填空, 每空不限词数。 1. His paintings _ (sell)at a high price. 2. This car _(invent) in 2006. 3. These apples _(pick) from the tree yesterday. were sold were picked was invented invent / 1879 The light bulb was invented in 1879. invent / 1903 invent / 1895 The airplane was invented in 1903. The radio was invented in 1895. The radio _(invent) by Guglielmo Marconi in 1895. When_the digital camera _ ? Where _ it _? What_a rocket _for? It_ for sending satellites or spaceships into space. was invented It _(develop) in the 1970s. was developed It_(develop) in Japan. was developed is used was developed was developed is used Functions I _(希望)I could go into space some day. I _(希望) your dream will_(实现). _ (据说) he invented more than two thousand things during his life. _(发明) is interesting and exciting and everyone can be an_ (发明家). wish come true hope It’s said that Inventing inventor wish后的从句可用_语气: 表示美好愿望,不一定能实现。 虚 拟 Where Are We? Where are we? That was a big question when we first explored our world long ago. The early explorers found that the stars in the sky were good guiding marks. Using the stars, they could find out where they were and in which direction they were going. This method worked well at night as long as the weather was good and the stars could be seen. But it didn't work so well during the rest of the time. That was a problem. 1、第一阶段,认识问题和明确地提出问题。2、第二阶段,分析所提出问题的特点与条件。3、第三阶段,提出假设,考虑解答方法。4、第四阶段,检验假设。思维过程,思维包括分析、综合、比较、抽象、概括判断和推理等基本过程。 Today, the problem has been solved by the Global Postitoning System(GPS). It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It can also be used to study the shape of the earth. The GPS is a great invention that helps us explore our planet and discover where we are. 1、第一阶段,认识问题和明确地提出问题。2、第二阶段,分析所提出问题的特点与条件。3、第三阶段,提出假设,考虑解答方法。4、第四阶段,检验假设。思维过程,思维包括分析、综合、比较、抽象、概括判断和推理等基本过程。 Read the passage and discuss the questions. 1. How did the early explorers know where they were? They found out where they were by using stars. 2. What’s the disadvantage of using the stars as guiding marks? Its disadvantage is that it didn’t work well when the weather was bad and the stars could not be seen. 3. What is a GPS? Is it useful to use? It is like a man-made star. We can use it at any time, in any place and in any weather to find out our position. It is very useful. 4. What do you think the GPS will be used for in the future? … 66192.93 $$