九级英语全册 Unit 6 When was it invented导学案 （新版）人教新目标版.doc

unit 6when was it invented?第1课时section a(1a2d)10【学习目标】类别学习重点重点单词style，project，pleasure，daily，website，pioneer，list，mention，have a point重点短语be used for doing sth，my pleasure，in ones daily life，be invented by重点句式1.when was the telephone invented?2what are they used for?they are used for heating the cold icecream.3think about how often its used in our daily lives.4it mentioned that the zipper was invented by whitcomb judson in 1893.【课堂导学案】step 1情景导入(5分钟)t：there are many useful things in the world.they help us a lot in life.(show some pictures on the screen)question：when were they invented?students：_(1)the telephone was invented in 1876.(2)the computer was invented in.环节说明：通过课前的一个师生问答互动引入新课的话题；通过图片的展示和语言的描述创设了情境，激发了学生的学习兴趣和表达欲望。step 2完成教材1a1c教学任务1要求学生迅速阅读1a部分的内容，并按要求完成课本上相应的任务：“number the pictures”。(1分钟)2检查答案，要求全班一起给出答案并检查讨论。(3分钟)3要求学生听第一遍录音，并完成课本上1b的听力任务：“listen and match the inventions with the years.”。检查他们的答案，读出序号读出年份读出完整的句子。(2分钟)4要求学生听第二遍录音，并逐句进行跟读。(2分钟)5完成教材1c的任务，要求学生模仿1a内容，进行对话练习，并邀请23对学生当堂进行演示。(3分钟)6小结训练。(2分钟)用所给词的适当形式填空。(1)when _was_ the telephone _invented_(invent)?(2)it _was_invented_(invent)in 1876.环节说明：通过学习1a，使学生对几种重要的发明有所了解，并拓宽了思路；通过学习1b，锻炼学生的听力及抓取关键信息的能力；通过1c的训练锻炼学生的口头表达能力，同时巩固对本课内容的认识。step 3完成教材2a2d教学任务1要求学生翻开课本。播放第一遍录音，完成2a、2b的听力任务，然后个别检查，统一核对答案。(2分钟)2要求学生听第二遍录音，并逐句进行跟读。(2分钟)3听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案，以巩固对听力内容的理解。(4分钟)the shoes with lights are used for seeing in the dark.they were invented by julie thompson.this hot ice cream scoop is used for scooping really cold ice cream.the shoes with special heels are used for changing the style of your shoes.4大声朗读听力材料。(1分钟)5放下听力材料，要求学生模仿听力内容，利用2a、2b的信息分角色进行对话练习。然后邀请23对学生当堂演示，看哪一对的表现最佳。(5分钟)6角色扮演(读2d对话，然后表演)。(7分钟)环节说明：将听、说、读、写的任务结合起来，不仅锻炼了学生的语言综合运用能力，还巩固了学生对被动语态的学习、识记和运用。7小结训练。(5分钟)按要求完成下列各题。(1)cars were invented in_1885(对画线部分提问)_when_ _were_cars invented?(2)julie thompson invented electric slippers.(改为被动语态)electric slippers _were_ _invented_ _by_ julie thompson.(3)the shoes with lights are used for seeing_in_the_dark(对画线部分提问)_what_ are the shoes with lights _used_ _for_？(4)the light bulb was invented by thomas_edison(对画线部分提问)_who_ _was_the light bulb invented by?(5)the refrigerator is used to keep food fresh.(改为同义句)the refrigerator is used _for_ _keeping_food fresh.step 4问题探究(3分钟)(b)1.columbus_america in 1492.ainventedbdiscoveredcfound dfound out(a)2.a pen is_writing.aused for bused tocused by dused as(b)3.smith_a new teaching method(方法)adiscovered binventedcis discovered dwas invented【课后作业案】完成本书课后提升案对应练习。第2课时section a(3a4c)【学习目标】类别学习重点重点单词nearly，ruler，boil，remain，lock，earthquake，biscuit，instrument，fridge，smell，national，doubt，somebody，sudden，trade，translate，bell，cookie，musical重点短语by accident，take place，without doubt，over the open fire，at a low price，o，all of a sudden重点句式1.when was tea first drunk?2the most popular drink in the world was invented by accident.3its said that a chinese ruler called shen nong was the first to discover tea as a drink.4some leaves from a tea plant fell into the water and remained there for some time.5the book describes how tea plants were grown and used to make tea.【课堂导学案】step 1复习(1分钟)谈论汽车。when was the car invented?it was invented in.step 2情景导入(3分钟)t：give three questions and lead in to new knowledge.1do you drink tea every day?2who invented tea in history?3do people in other countries drink tea in their daily life?环节说明：通过带着问题去学习短文，从而达到导入新课的目的，同时也可以使学生积极阅读短文，以了解更多的关于茶的知识。step 3完成教材3a3c教学任务1要求学生快速默读短文，熟知大意，并完成课本3a的任务，然后邀请几位学生给出自己的答案，全班一起学习讨论。(3分钟)2先邀请几位学生阅读短文(可一人一段)，教师要注意学生的语音，给予必要的朗读指导。然后播放录音，全班学生一起跟读。(3分钟)3读短文完成3b的任务(回答问题)及3c的任务(填空)。(8分钟)4短文内容巩固练习。教师可给出一篇改写了的短文，将一些重点的单词空出，让学生在规定的时间内补全短文，然后找若干学生给出自己的答案。(4分钟)do you know tea？tea is the most popular drink in the world.but to our surprise，it was invented by accident.it wasnt brought to the western countries earlier.an ancient chinese ruler shen nong discovered tea when he was boiling drinking water in the open air.some leaves from a tea plant fell into the water and remained there for some time.and it has a nice smell.he tasted the brown water and it was delicious.and in this way，tea was invented.环节说明：将听、说、读、写的任务结合起来，不仅锻炼了学生的语言综合运用能力，还巩固了学生对语言目标的学习、识记和运用；同时，学生们还可以从茶的发现中获得生活的启示：要认真观察生活、实践生活，才能享受生活。5小结训练。(4分钟)(b)(1)he is _50 years old.anearbnearlycnearby(c)(2)the flowers produce a nice_atastebsoundcsmell(a)(3)some_from a tea plant fell_the water.aleaves；intobleafs；intocleaves；off dleafs；off(b)(4)they all wished us_aare remained bto remaincremaining dbe remainedstep 4完成教材grammar focus4c教学任务1要求学生翻开课本p44，参照4a所提供的信息和例句，用被动语态改写句子，并请4位同学在黑板上改写，全班集体核对答案。(5分钟)2用所给单词的正确形式完成4b句子。并请5位同学朗读句子，全班集体核对答案。(5分钟)3先浏览4c的短文，确定空格处的动词是用主动形式还是被动形式，然后用动词的正确形式填空完成短文。并请1位同学朗读短文，全班集体核对答案。(5分钟)4小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时纠正。(2分钟)用括号内所给单词的适当形式填空。(1)this instrument is used for _playing_ (play) music in class.(2)how many magazines were _borrowed_ (borrow) from the library today?(3)edison was a great _inventor_he had over 1，000 _inventions_ in his life.(invent)(4)a picture _was_put_ (put) on the blackboard before class.(5)plates and dishes _werent_washed_ (not wash) after supper yesterday.step 5问题探究(2分钟)a单项选择。(b)1.the food_delicious，i neednt taste it.atastesbsmellsclookdeats(c)2.i will stay in wuhan for_asometimebsometimescsome timedsome timesb根据汉语提示完成句子。3他出生于19世纪。he was born in _the_ _19th_ _century_4我们学校去年发生了巨大变化。a big change _took_ _place_ in our school last year.【课后作业案】完成本书课后提升案对应练习。第3课时section b(1a2e)【学习目标】类别学习重点重点单词sour，customer，crispy，salty enough，information重点短语by mistake，in the end，were invented in，lots of重点句式1.did you know potato chips were invented by mistake?2the customer said they were not salty enough.3basketball is a muchlove and active sport that is enjoyed by many for fun and exercise.4it is believed that the first basketball game in history was played on december 21，1891.5at the same time，they need to stop the competing team from getting the ball into their own basket.【课堂导学案】step 1复习(2分钟)简要复述茶是怎样被发现的。step 2情景导入(2分钟)t：some inventions have changed our lives，such as telephone，cars，computers and so on.they are helpful.but some inventions were invented by accident or by mistake.they are also helpful to us.tea was invented by accident.and we will learn the inventions that were invented by mistake.do you know what it was?环节说明：教师用已学的知识导入新课，用学生未学的知识来激发学生的兴趣，同时巩固了语法点“be invented”。step 3完成教材1a2e教学任务1要求学生翻开课本，迅速阅读1a部分的内容，并按要求完成课本上相应的任务：“write words to describe the tastes of the food in 1a.”，然后要求4名学生给出自己的答案，并进行个读、齐读。(2分钟)2要求学生完成1b部分的任务：“write another kind of food of the same taste.”，然后找几名学生给出自己的答案。并把收集的答案列举在黑板上。(4分钟)【参考案例】sweet bananas；crispy potato_chips；salty noodles；sour grapes3听第一遍录音，完成课本上1c部分的任务：“listen and circle t or f”，然后分别地检查他们的答案。(2分钟)4听第二遍录音，完成课本上1d部分的任务：“listen and complete the sentences.”，检查答案，然后大声朗读。(2分钟)5听力内容巩固训练。要求学生根据所听到的内容完成下列对话。完成后要求若干学生给出自己的答案，以巩固对听力内容的理解。(3分钟)do you like potato chips？do you know how the potato chips were_invented？now，lets listen and fill in the blanks.potato chips were invented by_mistakethey were invented by a cook called george crum.one day a customer thought the fried potatoes werent thin enough and werent salty enough.so george cut them really thin and cooked them for a long time until they were crispy.and he put a lot of salt on them so they were salty.6听第三遍录音，并打开听力材料，全班逐句进行跟读。(2分钟)7放下听力材料，要求学生模仿听力内容，利用1c、1d的信息分角色进行对话练习。然后邀请23对学生当堂演示，看哪一对的表现最佳。(5分钟)8要求学生快速默读短文，熟知大意，并找出各段的主题大意。然后邀请几位同学给出自己的答案，全班一起检查讨论。(3分钟)9先邀请几位同学阅读短文(可一人一段)，教师要注意语音，及时纠正。然后播放录音，全班同学一起跟读。(3分钟)10让学生再细读短文，完成2c所给的记忆图，并适当添加其他信息。(3分钟)11借助2c的信息记忆图和你的同伴一起利用2d所给的问题一起来总结篮球的发展过程。(3分钟)12让学生分组先讨论一下你认为一些著名的运动员怎么样，列举一些要成为一名著名的篮球队员有哪些困难，完成2e的任务。(3分钟)环节说明：将听、说、读、写的任务结合起来，不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用；薯条被发明的小故事有很强的趣味性，让学生体会到了学习英语的乐趣。13小结训练。(4分钟)根据汉语提示完成句子。(1)对不起，我刚才错拿了你的字典。sorry，i took your dictionary _by_ _mistake_ just now.(2)薯条被炸了很久。the potato chips _were_ _cooked_ for a long time.(3)它们不够咸。they were not _salty_ _enough_(4)你知道薯条的历史吗？do you know _the_ _history_ _of_potato chips?根据句意及汉语提示完成句子。(1)she is _canadian_(加拿大人)，but her chinese is excellent.(2)we were _divided_ (分开) into eight groups by our teacher last week.(3)the little boy dreams of becoming a _professional_ (职业的) football player.(4)yue fei was a national _hero_(英雄)in old chinese history.(5)these apples were picked by hand and were packed with _baskets_ (篮子)step 4问题探究(2分钟)1那消息使我悲伤。the news _makes_ me _sad_2我终于使那顾客满意。i made the _customer_ happy _in_ _the_ _end_【课后作业案】完成本书课后提升案对应练习。第4课时section b(3aself check)【学习目标】类别学习重点重点单词invention，business，description，imagine重点短语take notes，is used for，its hard to，come up with.重点句式1.think of something that you do not like to do.2write a description of your new invention.3this special pen was invented by liujie.it has three colors and is used for【课堂导学案】step 1情景导入(3分钟)questions：(1)who like basketball?(2)do