(
课件网) Unit 3 School Life Lesson 17 School Science Fair 目 录 CONTENTS 1 学习目标 2 新课导入 3 新课讲解 4 当堂小练 5 课堂小结 7 学习目标 掌握单词:prize, video, piece, visitor 短语:win first prize, be interested in…, a piece of, different kinds of 掌握一般现在时、一般过去时、一般将来时和系动词的用法 了解学校科学展览 新课导入 Look at the pictures above. The students are at science fairs. What do you do at a science fair 说一说 新课讲解 Danny and Jenny are talking about their school science fair. They are very excited. Danny：Hey, Jenny!Are you ready for the big science fair next week Jenny：Oh, I hope so. I worked really hard this year. I hope to win first prize. Danny：Don't worry, Jenny. You will do a great job! What is your project about 新课讲解 Jenny：It's about silk worms. I am really interested in this subject. I made a video about silk worms. Danny：Wow！ Jenny：I have a small piece of old silk. I also have a silkworm for the visitors. Danny：Silk worms are interesting. Jenny：Yes, they're amazing! Danny：My project is good, too. Jenny：What is it about, Danny Danny：My project is all about donuts. I talk about the history of donuts. I will make ten different kinds of donuts. And people can taste them all. 新课讲解 Learning Tip Do you know what a fair is A fair is a place where people go to present their work or buy and sell different goods. At a science fair people present science projects and others come to see the projects. At a town fair people sell different goods and others come to buy the goods. 新课讲解 Language point 1 Don’t worry, Jenny. 詹妮，别担心。 worry动词，担心。 搭配:worry about为……担心 be worried about… “担心……”，强调状态。 e.g. Don’t worry about me. I can do it. 别为我担心。我能做。 e.g. The woman is often worried about her son. 这位女士经常担心她的儿子。 新课讲解 Language point 2 a piece of 一张/片/块，后接不可数名词时， 表示不可数名词的数量。复数形式为pieces of“几张/片/块”。 e.g. Would you like another piece of bread 你想再要一片面包吗？ e.g. I need ten pieces of paper. 我需要十张纸。 I have a small piece of old silk. 我有一小块旧的丝绸。 新课讲解 Language point 3 visitor 参观者 构词法：“动词＋ or/ er”构成名词，表示动作的执行者。 e.g. teach(教)—teacher(教师)， act(表演)—actor(演员),drive(驾驶)—driver(司机) visit是动词，意为“参观，拜访”，visit还可作名词。visitor是由动词visit加上 or构成的。 e.g. Many visitors visited the Great Wall yesterday. 昨天许多游客参观了长城。 新课讲解 Language point 4 kind 种类 a kind of意为“一种”；all kinds of意为“各种各样的”；kind of 意为“有点儿”。 different kinds of不同种类的。 e.g. We have different kinds of books. 我们有不同种类的书。 新课讲解 1 1．Danny and Jenny are excited about the science fair.( ) 2．Jenny's project is about silk.( ) 3．Danny will make five different kinds of donuts.( ) 4．Danny will teach people to make donuts.( ) Let's Do It ! T F F Listen and write true (T)or false (F)． F ... ...
