Unit9 when was it invented教学设计教案.doc

教学课题 Unit9 when was it invented ? 教学课时 第一课时 教学目标 学习一般过去时的被动语态和特殊疑问句 了解一些伟大的发明物 训练口语及听力能力 教学重点与难点 1.谈论发明的历史 2.对于被动语态的理解与运用 教学环节 教师活动 学生活动 时间分配 课前预习 Step1 Revision Step2 Free talk Step3 1a-1c Step4 2a-2c Step5 summary Step6 exercise Step7Homework 布置两个任务 预习单词 搜集些重要的发明物 的历史 T:What did you do yesterday? What about you ? Did you read a story about Thomas Edison ? What’s this ? Who invented it ？ (教师引导学生说Edison is an inventor light bulb is an invention) 以同种方式介绍telephone和car（目的：让学生感知过去时的被动语态结构） 1.Ask the students to be familiar with the words below according to the pictures on computer．(叫学生根据通过多媒体熟悉如下的单词。) 2．Groupwork(1a) T:When was it invented ？　　 Choose one student from one group to number 3. Ask students to match and listen to check(1b) 4.pairwork 5.pratice （练习when和who的特殊疑问句） 1.play the tape 2.Play again 3.pairwork According to 2b 4. show phrases about “be used” Tgive one minite to think, Then T add some Walk around 以小组为单位检查单词的预习情况及搜集的情况 S1.I did my homework yesterday? S2.I cleaned my room yesterday? S3 I played the computer games yesterday? …… One student says about him Students answer (light bulb)Edison invented the light bulb. The light bulb was invented by Edison. telephone，calculator，car，personal computer，TV． A：I think the calculator was inventedbefore the computer B I think the calculator was Inventedafterthe computer match the inventions with the dates Then listen to check A: When was … invented? B:I think it was invented in… look at the picture and read the three things,then listen 2a Read2b(T help) ,then listen read and learn one student to say Do and check 板书设计： unit9 When was it invented ?1a-Grammar Edison invented the light bulb. The light bulb was invented by Edison. 教学反思：