仁爱版英语8年级上学期 Unit4 Topic2 Section D教案.doc

仁爱版英语8年级上学期 unit4 topic2 section d教案the main activities are 1 and 5. 本课重点活动是1和5。. teaching aims and demands 教学目标1. learn some useful sentences: (1)whats the matter with it? (2)are you sure you plugged it in? (3)youd better ask our computer teacher for help.2. review the main sentences and useful expressions in this topic about robots, ufos and internet.3. review past continuous tense:(1)a ufo flew over my head while i was walking toward the bus stop yesterday.(2)last night, while jim was sleeping, he saw a ufo flying over his head.4. review certainty and uncertainty: (1)im quite sure there are ufos. (2)im not sure whether/if robots will make humans lose their jobs. teaching aids 教具录音机/图片/歌曲磁带. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:15分钟)1. (通过对话复习关于robots, ufos和internet的目标语言。)t:hi, s1. could you tell me something about robots?s1:sure.t: when did the scientists invent the first robot?s1:in 1921.t: what can robots do for us?s1:they can do some dangerous work instead of humans. they can help us carry things, and mend roads.t: are you sure robots can make humans lazy?s1:yes, i am sure.t: are you sure robots can take the place of humans in the future?s1:no, im not sure.(教师示范后，让学生在小组内操练，然后挑几组学生表演。)t:we talked about the robots. next lets talk about the ufos. (教师与另一位同学对话。)t:s2. are you sure there are ufos in the world?s2:yes. they look like a plate.t:where do you often get the information about the ufos?s2:i often get it through books and tvs.t:what about you, s3? are you sure there are ufos in the world?s3:no, im not sure.t:why do you think so?s3:because until now, nobody seems to have really seen ufos, and even scientists arent sure whether there are ufos.(教师示范后，让学生在小组内练习，然后挑几组学生表演。)t:lets go on talking about the science. next lets talk about a useful invention named internet.(教师与一位学生对话。)t:s5, what do you think of the internet?s5:its wonderful and interesting.t: what do you often do on the internet?s5:i do the shopping, listen to music, see movies, play games, study, download useful information and write e-mails.t:do you spend too much time on the internet?s5:no, i dont.t: good, the internet is very interesting, but we shouldnt spend too much time on it, or we cant study well.(教师示范后，让学生在小组内进行会话，然后挑几名学生表演。)2. (教师呈现图片复习现在进行时和过去进行时。) lucy(教师手拿图片，图片的背面对着学生，然后叫一名学生到前面来，根据看到的图片做出动作，让其他学生猜出其动作的含义。) t: look at this picture, and do the action. s1:(手持话筒做唱歌状。) t: guess like this: are you? s2:are you speaking? s1:no. s2:are you singing a song? s1:yes,i am. (继续呈现图片复习现在进行时。) (练完之后，教师给予学生鼓励，并过渡到过去进行时。) (以上这些图片显示的是昨晚晚会上学生们所做的事情。让学生就图片进行练习。) s3:what was han mei doing at 8:00 oclock last night? s4:she was singing a song. (学生练完之后教师鼓励学生对现在进行时与过去进行时做总结。)3. (教师解说导入新课。) t: i have a tape about the song“my heart will go on”. would you like to listen to it? ss:yes. wed love to. t: which student can play it for us? s1:i can. (学生放录音时，教师解说该生的操作过程。) t: first he plugs the recorder in, then he press the “play” button. thats ok. (板书)plug in (学生在听歌曲的同时记住词汇。) t: if you have problems when you do your homework, what will you do? s2:i will ask my classmate to help me. s3. i will ask my teacher to help me. t: good. youd better ask the teacher for help. (板书)ask for helpstep 2 presentation 第二步 呈现(时间:10分钟)1. t:michael looks worried today. do you want to know why? please complete the dialog in 1 on page 91. (学生补全对话，教师帮助有困难的学生。) (教师挑两组学生读出对话。) t: very good. please answer my questions. whats michael doing now? s1:he is repairing his computer. t: whats the matter with it? s2:it doesnt work. t: is he sure he plugged it in? s3:yes, hes quite sure. t: what should he do? s4:hed better ask his computer teacher for help. (让学生两人一组练习对话1，然后挑几组学生表演对话。)2. (放录音，完成4 class activities.) (放几遍录音后，师生共同chant。激发兴趣，活跃气氛，创造一个新的学习兴奋点。) flying man, flying man. up in the sky. where are you going? flying so high. over the mountains. over the sea. flying man, flying man. wont you take me? t: ok. stop, very good!3. (师生共同chant后,气氛高涨，学习热情浓厚，趁此时机进入到听力训练，完成2 work alone。) t: ok. now lets move to 2 work alone. listen to the tape and mark true (t) or false (f).t: read the sentences as quickly as you can, then listen to 2 carefully. (教师可视学生的掌握和理解情况而选择放录音的次数。) t: ok. please tell me your answers. (找学生回答，及时了解学生的理解程度并完成2。)step 3 consolidation 第三步 巩固(时间:7分钟)1. (听录音完成3a。) (1)(学生跟读3a，熟记本话题的目标语言。) (2)(运用肯定和不肯定句式表演对话。) for example: s1:are you sure robots will make humans lazy? s2:yes, im sure. s1:are you sure there are ufos in the world? s2:no, im not sure. s1:are you sure we can listen to music on the internet? s2:yes, im quite sure. s1:are you sure it will be rainy tomorrow? s2:im not sure whether it will be rainy tomorrow. s1:are you sure well have a sports meet this term?(学生两人一组进行练习，每人对话次数不能低于4次，两分钟后挑几组同学表演。)2. (听录音跟读3b。)step 4 practice 第四步 练习(时间: 5分钟)(学生运用过去进行时，看图片造句。) (这样的练习对学生来说通常是一个小挑战,教师要鼓励学生用最简单的句子来表达整幅图的意思,适当的时候,教师可以先引导学生看图,然后再让他们自己练习。)t: s1, would you please come here and have a try? (请三位学生到讲台前完成看图造句,其他学生任选一幅图造句,完成之后,适时点评,并且讲解while和when的用法。)the answers are:the little girl was playing the piano when her father knocked at the door.while lucy was walking in the park with her mother, they saw a wallet lying on the ground.while tom was watching tv, the telephone rang.step 5 project 第五步 综合探究活动(时间:8分钟)t: whats this in english?s1: its a computer.t: what can computers do for us?s1: people can use computers for surfing on the internet.1. (教师展示图片,设置场景,为学生练习对话打好基础,教师可以先示范给学生看。) (依次呈现机器人，仁爱英语学习机，和小汽车的图片，让学生练习对话。) (参考信息) people use robots for doing boring jobs.