Unit 3 School Life.Lesson 17 School Science Fair.课件+练习

课件26张PPT。Unit 3 School Science FairLesson 17 School Life 同学们，上一课学习的单词、短语和句型你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！Look at the pictures above. The students are at science fairs. What do you do at a science fair? 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？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.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. Don't worry, Jenny.别担心，詹妮。考向此句是由“Don't＋动词原形”构成的否定祈使句；肯定祈使句的结构为“动词原形＋其他成分”，用来表示请求、命令等。 eg：Don't be careless.别粗心。 Please open the door.请打开门。知识点1典例_____ call me Wang Wang！It's my dog's name.(四川南充) A．Not　　B．No　　C．Don't【点拨】本题采用语法判定法。考查的是否定祈使句的用法，结构为“Don't＋动词原形”。C piece /pi?s/ n.张；片 考向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”。 eg：Would you like another piece of bread? 你想再要一片面包吗？ I need ten pieces of paper. 我需要十张纸。知识点2 visitor /'v?z?t?/ n.参观者考向构词法：“动词＋-or/-er”构成名词，表示动作的执行者。 eg：teach(教)—teacher(教师)， act(表演)—actor(演员),drive(驾驶)—driver(司机)知识点3visit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。 eg：Many visitors visited the Great Wall yesterday. 昨天许多游客参观了长城。 kind /ka?nd/ n.种类考向一a kind of意为“一种”；all kinds of意为“各种各样的”；kind of 意为“有点儿”。知识点4different kinds of不同种类的。 eg：We have different kinds of books. 我们有不同种类的书。考向二kind 还可以作形容词，意为“善良的，友好的”，be kind to sb. “对某人友好”。 eg：Mr. Green has many friends here because he is very kind to everyone. 格林先生在这儿有很多朋友，因为他对每个人都很友好。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 !TFF1)Listen and write true (T)or false (F)．FLet's Do It ! 2)Read the lesso ... ...