九年级英语上第9单元第1课时教案 课件 说课稿 教学反思

1、精品教案最佳问题解决方案九年级上·英语九年级上第九单元第一课时Unit 9 When was it invented? The first period (Section A 1a2c)兴蒙学校 王志刚 联系电话:教学目标】知识目标1. 掌握以下词汇：invent, calculator, scoop, adjustable, heel, battery, operate, batteryoperated, slipper, heat 2. 掌握并会运用下列重要短语和句型： be used for, adjustable heels, batteryoper

2、ated slippers, the style of the shoes, electric slippers, see in the dark When was it invented? It was invented in 1885. What are they used for? They are used for seeing in the dark. Who were they invented by? They were invented by Julie Thompson. 能力目标听：通过学习本课时的话题，能够听懂有关发明历史的对话。说：能够准确的用英语谈论发明的历史。读：能

3、够准确的读出本课的句型及相关的对话。写：能够利用被动语态造句。情感目标： 了解发明历史，增强科学意识。【重点难点】重点：能熟练掌握本课时的词汇及句型。难点：掌握一般过去时的被动语态。【教学过程】I. 复习热身1、检查生词预习 1)正音：学生齐读单词，有突出问题的单词由老师正音，然后重点强调，齐读。2)听写：让学生以小组为单位互相批改，小组长报告检查情况。表扬优异者，对于出错的单词教师结合单词结构，读音规则帮助学生识记生词。例如：invent, slipper。2、自由交谈1）复习巩固: 通过问答的形式，谈论第八单元的内容。2）为新课铺垫。 教师向学生询问有关发明的问题并引出本单元话题。例如：

4、1. Do you have a computer at home? Do you like playing computer games? 2. Does your father have a car? How much is it? 3. Is there a telephone in your home? Whats your telephone number? 4. When was the telephone invented? Do you know? What about the car? Who was the telephone invented by? 5. What is

5、 the car used for? What is the computer used for? II. 感知体验1、感知：将本课的主要句型结构“When was it invented? What are they used for? Who were they invented by?”板书在黑板上，鼓励学生根据自己的实际造句，把造的好的书写在黑板上。领读，齐读上述句子，让学生感知句型结构。2、体验： 让学生就自己所熟悉的发明用被动语态组织对话。例如： When was the TV set invented? It was invented in 1927. What is the p

6、en used for? It is used for writing. 让学生像这样以小组合作的方式组织对话。III. 强化巩固1、 教材内容。1a: Look at the things below. In what order do you think they were invented? Number them 15 (1=first, 5=last)1）读题目要求。2）读题中的句子，学生写下自己的答案。Answers：1. car, 2. the telephone, 3. the TV set, 4. the calculator, 5. the computer 1b: Lis

7、ten andmatch the inventions with the dates.1）读题目要求。2）读表中的句子，并让学生说出句意。3）放第一遍录音，学生只是听。放第二遍录音学生做题。4）检查答案。Answers: d 1876, a 1885, e 1927, c 1971, b 1976 1c: Doing pairwork1）利用上述物品的发明年代，引导学生运用被动语态两人一组对话。2）找学生表演对话。Eg:A: When was the telephone invented? B: I think it was invented in 1876. 2a: Listen and n

8、umber the inventions in the order that you hear them. 1）介绍图画。T: Whats this? What are these? Whats it used for? What are they used for? 2）读题目要求，然后读出题中的句子，教师先领读，学生再读，确定学生能够自己复述。3）引导学生听录音。4）放录音第一遍，学生只是听。放录音第二遍学生写下答案。5）检查答案。Answers: 3 1 26) 总结重点短语和知识：短语：scoop the really cold ice cream, shoes with adjust

9、able heels, batteryoperated slippers, heat ice cream scoop知识点： 1. be used for doing sth. 意思为“被用来做某事”，为被动语态结构。由于for为介词，所以后面的动词应该加ing, 即动名词形式。例如： The dictionary is used for looking up the words. Whats the computer used for? Its used for sending emails. 2b: Listen again. Match the inventions with their

10、 inventors and uses. 1）读题目要求和表中的句子。2）T: You will hear the same recording again. This time please match the inventions with theirinventors and uses.3）放录音学生做题。4）检查答案。Answers: shoes with adjustable heelsJayce Coziar and Jamie Ellsworthchanging the style of the shoes batteryoperated sllippersJulie Thomp

11、sonseeing in the dark heated ice cream scoopChelsea Lanmonscooping really cold ice cream5）熟记短语：see in the dark, change the style of the shoes 2c: Doing pairwork1）读题目要求和表中的句型。2）让学生利用be used for 结构对话。Eg:A: What are shoes with adjustable heels used for? B: They are used for changing the style of the sh

12、oes. 2. 语法知识：被动语态1）主动语态和被动语态 英语动词有两种语态，即主动语态(The Active Voice)和被动语态(The Passive Voice)。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如： Bell invented the telephone in 1876. (主动语态) The telephone was invented by Bell in 1876. (被动语态) The local newspaper interviewed him. (主动语态) He was interviewed by the local newspap

13、er. (被动语态) 2）被动语态的构成 被动语态由“助动词be + 及物动词的过去分词”构成。助动词be有人称、数和时态的变化，其变化规则和be作为连系动词时完全一样。3）被动语态的用法 当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需强调动作的承受者时，要用被动语态。如： English is spoken in China. 4) 一般过去时的被动语态 一般过去时的被动语态由“助动词was或were +及物动词的过去分词”构成。例如： It was invented by Bell. They were invented by his father. These

14、pens were used for writing English. IV. 实践应用提供情景：观察生活中的物品，它们是谁在什么时候发明的，它们是用来干什么的，利用被动语态造句。V. 总结反馈New words and phrases:_.Useful expressions:_.Use ful sentences: .VI. 作业布置1. 练习本课的句型及对话，达到自如运用的程度。2. 做同步学习。【教后反思】 【课时达标】一、用括号内所给单词的适当形式填空。1. I think it (invent) before the computer. 2. When (be) the telep

15、hone invented? 3. I think it is (use) for cutting things. 4. Whats it used for? Its used for (scoop) really cold ice cream. 5. The car (invent) in 1885. 6. They are used for (see) in the dark. 二、选择方框内合适的词并用其适当形式填空。invent, who, when, use, be, real, come up with, hand out 1. What were you doing your m

16、other came back from work yesterday evening? I was watching TV. 2. Finally my good friend Li Lei a good idea. 3. When was the car ? In 1885. 4. I advertisments after school this afternoon. 5. They for seeing in the dark. 6. Our teacher was angry because most of us were late for school yesterday morn

17、ing. 7. were they invented by? They were invented by Julie Thompson. 8. When electric slippers invented? Last year. 三、句型转换。1. The telephone was invented in 1876. (就划线部分提问) the telephone invented? 2. They are used for seeing in the dark. (就划线部分提问) they used for? 3. Julie Thompson invented the battery

18、operated sllippers. (改为被动语态)The batteryoperated sllippers by Julie Thompson. 4. Tom found my book under the bed yesterday afternoon. (改为被动语态) My book by Tom under the bed yesterday afternoon. 5. This kite was made by my uncle last week. (改为主动语态)My uncle this kite last week. 答案：一、1. was invented 2. was 3. used 4. scooping 5. was 6. s