山东省龙口市诸由观镇诸由中学九年级英语全册《Unit 1 When was it invented》教案3 鲁教版五四制.doc

unit 1 when was it invented 课题unit 1 when was it invented.课时1课型新授课教学目标1. vocabulary: hard-working ,report card ,can do better ,speaking ,listening ,average ,surprise .2. patterns: what did your math teacher say ? he said he could speak three languages .重点难点分析及突破措施1. learn some new words: clone, experiment2. go on learning the simple past passive voice:(1) do you know when it was invented?(2) it was invented in 1879. 3. learn some information about the clone technology.(1) cloning is famous throughout the world.(2) there is dna in most living things, including human beings.(3) no doubt cloning can help save those animals in danger.(4) and it can also benefit human beings.教具准备课件, teaching cards , pictures and a tape recorder .板书设计unit 1 when was it invented.？ (1) do you know when it was invented?(2) it was invented in 1879.教 学 过 程(包括导引新课、依标导学、异步训练、达标测试、作业设计等)step 1 review 做游戏，复习一般过去时被动语态的用法，导入新课。1. (用上节课的作业做一个链式游戏，以小组为单位，就计算机、mp3、cd、手机、数码相机或学习用具等进行对话，操练be made of / be made in / be made from / be used for的用法。让每一小组的第一个同学回过头去问下一位同学，依次接着往下问。)t:boys and girls. lets play a game. asestions one by one. s1:whats your favorite invention?s2:an mp3. whats it made of?s3:its made of steel and plastic. when was it developed?s4:it was developed around 1998. whats it used for?s5:its used for helping us to improve our english.2. (用多媒体出示图片，导入新课。)t:you did very well. there are many important technologies and inventions in the world today. look at this invention. (展示灯泡图片。)its a bulb. do you know about it?(板书并要求学生了解。)bulbss:yes, a little. t:ok, who invented it?ss:thomas edison. t:when was the light bulb invented? do you know?ss:no. t:ok, lets come to 1a and learn about it.step 1 leading incheck the homework .ask several students to read their episodes to the class .step 2 pre-tasksb page 30 , 3a .1. read the instructions and ask ss to read the letter on their own and write alans name on his report in activity 2b .2. correct the answer .sb page 30 , 3b .1. get ss to use the information from activity 2b to write a letter to a relative or a friend about their report cards .2. ask a student to read his or her completed letter to the class .orally correct any mistakes .step 3 while-tasksb page 30 , 3c .ask ss to write their own report cards .while ss work ,walk around and offer assistance if necessary .sb page 30 , part 4 .1. get ss to make up their teachers comments .2. pairwork. in pairs ,talk about their report cards .3. ask several pairs to share their conversations .step 4 post-tasksb page 31 ,selfcheck ,part 1.1. ask ss to fill in the blanks on their own .2. correct the answers.3. have ss make sentences with the words .sb page 31 , selfcheck , part 2 .1. ask ss to read the story .2. in pairs ,have ss to make conversations according to the story .3. ask some ss to share their conversations with the class .step 5 homeworkask students to write their conversations on their exercise books .教 学 后 记（包括达标情况、教学得失、改进措施等）most of the students have grasped the word