(
课件网) When was it invented Unit 6 Section B 3a-self check Let’s review. 1. When was tea invented 2. Who was tea invented by 3. How was tea invented It was invented about 5,000 years ago. It was invented by Shen Nong. It was invented by accident. Let’s review. 1. When was basketball invented 2. Who was basketball invented by 3. Why was basketball invented It was invented over 100 years ago. It was invented by James Naismith. Because Dr. Naismith was asked to think of a game that could be played in the winter. Let’s watch a video. Let’s watch a video about Emily’s invention. Let’s answer questions. 1. What did Emily invent 2. What is it used for 3. Why did Emily invent it She invented a _____ (黑莓采摘器). It is used to _____ things from _____. Because her mother was always busy in _____. blackberry picker pick high places picking up blackberries Let’s answer questions. 4. What is it made of 5. How to use it It is made of a _____, a _____ and a _____. You _____ it up, catch what you want to _____, and _____ it off. net wooden stick scissor raise pick cut Let’s write. 假如你是Emily，你想要把自己的黑莓采摘器介绍 给现场观众。请你写一篇不少于100词的演讲稿介绍它。 Let’s analyze the topic. 定体裁 定人称 定时态 演讲稿（说明文） 第一人称（想法） 第三人称（采摘器） 一般过去时 一般现在时 Let’s brainstorm. Who invented it Why invented it What is it used for What is it made of How to use it Advantages an invention Let’s outline. Beginning Body Ending 自我介绍，引入话题“发明———黑莓采摘器”。 详细介绍发明的原因、用途、材料、使用方法、优势。 总结发明的重要性。 Let’s learn some useful sentences. Beginning It was invented by … I think it’s a great invention. In my opinion, … is one of the greatest inventions. Let me introduce my fascinating invention to you. Let’s learn some useful sentences. Body It was invented in … It is made of / from … It is used to / for … The invention can not only … , but also … Let’s learn some useful sentences. Ending Thanks to … , our lives have been greatly improved. Without doubt I like … because … … play(s) an important part in our daily lives. Sample writing Hello, everyone! My name is Emily. Today, I’m here to introduce my fascinating invention, a blackberry picker, to you. My mother was always busy in picking up blackberries. It was difficult for her to pick blackberries from high places. Therefore, I invented this blackberry picker to help her pick blackberries in high places. It is made of a net, a wooden stick, and a scissor. Let me show you how to use it. You should raise it up, catch what you want to pick, and cut it off. Then you can get what you want in the net. It is easy to use, isn’t it It can not only be used to pick blackberries, but also other fruits in high places. The blackberry picker does help my mom a lot. How important great inventions are in our daily lives! Imagine you are a business person. Write a description of your ne ... ...
