八年级英语上册 Unit 4《Our World》Topic 3 Section C 教案 仁爱版.doc

topic 3 the workers used live models, didnt they?section cthe main activity is 1a. 本课重点活动是1a。. teaching aims and demands 教学目标1. learn some new words and phrases:king, ancient, be made up of, true, according to2. learn some useful sentences:(1) the building is made up of two million stones.(2) each stone weighs more than two tons.3.go on learning about measurement:(1) the great pyramid has four sides and each side is 230.4 meters long.(2) its 146.5 meters high.4.talk about the great pyramid:(1) the pyramids in egypt are world-famous.(2) it is one of the“seven wonders”of the ancient world.(3) until the 19th century, it was the tallest building on earth.(4) it took about 100 000 people over 20 years to build it.(5) khufu ordered his men to build the great pyramid as his tomb in about 2 560 b.c.(6) many people believe the great pyramid is the oldest and greatest building in the world. teaching aids 教具录音机/幻灯片/图片/小黑板. five-finger teaching plan 五指教学方案step 1 review 第一步 复习(时间:8分钟)师生对话，复习旧知识，导入新课。1. (通过对话复习section b中的目标语言。)t:would you like to travel to xian?s1:yes, i would like to.t:why do you want to travel there?s1:because there are emperor qins terracotta warriors.t:could you tell me something about them?s1:of course. qin shihuang, the first emperor of chian, ordered his men to make them. the workers used live models. they are one of the greatest wonders of the world. so they are very valuable.t:very good.(再让几名学生描述一下秦始皇兵马俑。)2. (由秦始皇兵马俑引出埃及金字塔。引出生词，导入新课。)t: as we know, qin shihuangs underground palace is the tomb of the first emperor of china. what other world-famous kings tombs do you know? (板书并要求学生掌握world-famous和king；理解tomb。)tomb, world-famous, king (引导学生谈论埃及金字塔，然后教师出示金字塔图片并陈述。) t: yes. the pyramids in egypt are world-famous. it is one of the“seven wonders”of the ancient world. the ancient egyptians built them. the great pyramid of khufu is the largest one. it is made up of two million stones and each stone weighs more than two tons. it took about 100 000 people over 20 years to build it.(板书要求学生掌握ancient, be made up of；理解pyramid, egypt, egyptian, million。)pyramid, egypt, ancient, egyptian, be made up of, millionstep 2 presentation 第二步 呈现(时间:10分钟)教师利用幻灯片出示表格，学生学习三位以上数字及带有小数点数字的读法。1. (让学生仔细阅读1a，并完成表格。)t: we know the great pyramid is one of the greatest wonders of the world. do you want to know more about it? please read 1a and fill in the table below.(教师出示幻灯片。)a brief introduction of the great pyramidwhowhenwhere why how long (time)long high (核对答案。)2. (两人一组，根据表格内容进行问答。教师教学数词的读法。)t: ask and answer some questions according to the table.(板书并要求学生掌握。)according toexample:s1:who was the great pyramid built for?s2:it was for khufu.s1:when did he order his men to build it?s2:in about 2 560 b. c.s1:where is it?s2:its in egypt.s1:why did he build it?s2:as his tomb.s1:how many people joined in building it?s2:about 100 000 people did.s1:how long did it take to build it?s2:over 20 years.s1:how long is each side?s2:its 230.4 meters long.s1:how high is it?s2:its 146.5 meters high.(教师总结带小数点的数字读法。)t: now we know some information about the great pyramid. it is 230.4 meters long and 146.5meters high. it took about 100 000 people over 20 years to build it.3. (1)(学生再读1a，画出文中出现的数词并朗读。)t:read 1a again and circle the numbers in 1a and read them.(教师引导学生归纳数词的读法规则。)(2)(练习数词读法。)t:can you say the following numbers?(出示小黑板。)16.5 138 2 560 4 000 300 000 365 204 708(核对读法。)4. (学生朗读1a课文，画出重点和难以理解的语句。然后教师解答疑难问题。) t: read 1a and find out the key sentences and difficult points. (教师板书并解释。) (1) it takes sb. some time to do sth.= sb. spends some time (in ) doing sth.it took me half an hour to finish my homework yesterday.i spent half an hour (in) finishing my homework.(2)be made up ofthis band is made up of two boys and two girls.(3) on earth=in the worldstep 3 consolidation 第三步 巩固(时间:10分钟)师生对话，复述课文，巩固知识，完成1b。1. (师生对话，巩固1a。)t:what did kings build the pyramids for?s1:to keep their bodies after they died.t:when was the great pyramid of khufu the tallest building on earth?s2:before 1800.t:what does “each stone weighs more than two tons.” mean?s3:it means each stone is over 2 000kg.t:how many stones is the great pyramid made up of?s4:two million.t:is it true that no one knows how the ancient egyptians built the great pyramid?s5:yes, it is. (板书并要求学生掌握。)true2. (学生独立完成1b。)t:now look at 1b. please choose the correct answers according to 1a.(核对答案。) 3. (让学生听1a录音，跟读1a，模仿语音语调，并画出关键词。) t: listen to the tape and follow. imitate the pronunciation and intonation. write down the key words.the great pyramidthe greatestin egyptone of the “seven wonders”100 000 people over 20 years, two million stonesas tomb230.4 meters long,146.5 meters high2 560 b. c.4. (小组活动。让学生根据关键词句复述1a，先在小组内复述，然后找几名学生到前面复述。)t: work in groups. retell the text according to the key words.step 4 practice 第四步 练习(时间:10分钟)写作练习，培养学生综合运用语言的能力。1. (看2，练习写信。)t:now look at 2. suppose you are jim. write a letter to your friend, mike, to talk about some places of interest. you may use some sentences youve learned in the topic. (学生写信。) (找学生读自己写的信。教师讲评。)2. (听录音，活跃气氛，完成3。)(1)(教师讲述歌曲背景，翻译歌词大意。)(2)(放录音，学生跟着唱，活跃气氛，感受旋律。)step 5 project 第五步 综合探究活动(时间:7分钟)开展演讲比赛，培养学生语言运用能力。1. (假设你在参观世界奇观，请描述你的所见所闻及你的感受。)(小组竞赛。将全班学生分成四组，开展竞赛。学生先在组内试讲，然后每组各推荐一名选手代表本组演讲。由支持各组的人数来判定每组名次。)t:suppose you are visiting one of the greatest wonders of the world. now please say something about what you see and get to know on your trip, such as the history, the features and your feelings about it. (板书