广西崇左市大新县全茗镇中学八年级英语上册 Unit 2 How often do you rcise Section B（2a2e）导学案（无答案）（新版）人教新目标版.doc

unit 2 how often do you exercisesection b 2a2e学习目标掌握本课的生词、短语、句型理解本课的主旨大意对本课的内容进行归纳、对话改写、及仿写。学习重点难点学会用过去式写调查报告。掌握本课的生词、短语、句型,对本课的内容进行归纳、改写、及仿写.学法指导仔细阅读课文-理解课文大意-重点句子理解-完成相关任务。学习过程一、 启发探究 3分钟i、选择正确答案填空。（ ）1. her father _ time. a. usually waste b. never wastes c. hardly ever waste d. always wasting（ ）2. a: how often does lara play the trumpet? b: _ once or _ a week, im not sure. a. may be, twice b. maybe, twice c. maybe, two times d. may be, two time（ ）3. a: ill give the boys _ to eat. b: oh, i know fish and salad. a. something healthy b. healthy something c. anything healthy d. healthy anything（ ）4. what _ the differences between your habit and _? a. are, hers b. is, his c. does, her d. do, his（ ）5. a: _ do you write to your parents? b: once a month. a. how often b. how long c. how much d. how manyii、free talk :in our life we have many interesting things to do for fun or to relax.what can we do in our spair time ? discuss 2aiii lets see the things the students do in their free time.二、自主探究 6分钟task1： new words learningstudents read and learn the new words after the team leader.students read the new words by themselves.result rzlt .结果；后果percent pent adj.百分之 . 的 online nlan adj.在线的 adv.在线地 elevision telvn n.电视机；电视节目 although l conj.虽然；尽管；然而；可是thrughru prep.穿过；凭借；一直到 body bdi n.身体 min mand .头脑；想法；意见；心思 such st adj.这样的；如此的together te(r) adv.共同；一起 task2：听2b磁带，体会语音、语调、句群停顿，理解段落的汉语意义。task3：完成2b task3：小组讨论核对答案。task4： 朗读短文，并回答下列问题1). what does the word “exercise” in the passage mean ?a. do sports b. do homework c. watch tv2) whats the chinese for “ once or twice” ?a. 一两次 b. 曾经两次 c. 从前或者两次3) do all the students like watching tv ?a. no. b. yes. c. its hard to say.三、交流合作探究 10分钟1、大声阅读2b课文，注意模仿语音、语调、句群停顿2、仔细阅读2b课文，勾画记忆课文短语in free time ask sb. about sth. six times a week one or three times a week three or four times a week not at all go online be surprised atto that use the internet at least for fun and homework for fun and exercise the answerkey to the most important it is goodnicehealthyinteresting to by using internet by watching tv the best way it is healthy for mind and body such as spend time with old habits die hard 四、引深探究 15分钟仔细阅读课文，完成2c1、仔细阅读2b课文，注意模仿语音、语调、句群停顿在原文中找出2c的句子3、根据要求完成2c4、检查答案5、拓展i .maybe / may be .the baby is crying, she is hungry. = the baby is crying, she _ hungry.the woman a teacher . = _ the woman is a teacher.maybe 是副词，意为“大概， 可能，或许”，一般用于句首。may be是情态动词，意为“可能是.，也许是.，大概是.”.、a few / few / a little / little . people can live to 100,but people can live to 150. there is time left, i dont catch the first bus. could you give me milk?a few (少数的，几个，一些)a little (一点儿，少量)表示肯定few (很少的，几乎没有的) little (很少的，几乎没有的)表示否定修饰可数名词修饰不可数名词、hard / hardly hard作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。hardly意为“几乎不”。1、 . the ground is too to dig. i can understand them. its raining ,the people can go outside.iv surprise用法a surprise可做名词，基本用法如下：1）表示“惊讶”时，是不可数名词。常用短语：in surprise 惊讶地；to ones surprise 让某人惊讶的是2）表示“令惊讶的事务/意外之事”时，是可数名词2. surprise还可以做及物动词，意思是“使.惊讶”。常用短语：surprise sbb. 派生词：1）surprised 形容词，意思是“感到惊讶的”。常用结构：be surprised at sth 对某事感到惊讶be surprised to do sth 做某事而感到惊讶be surprised + that从句 因.而惊讶2）surprising 形容词，意思是“令人感到惊讶的”。v “by+v-ing”结构 在这个结构中,by是介词,意为“以方式”、“以方法或手段”,by 之后常接v-ing “名词。这种结构在句子“用作方式状语,所表示的方法、手段、途径比较抽象,译成汉语时常为“通过,借助, 用,由”等。如: we learn english “y reading aloud. 我们通过大声朗读学习英语。 you can turn on the recorder by pressing the button. 你可以通过按这个按钮来打开录音机。 she learned english well by listening to the radio. 她借助听收音机学英语学得很好。 链接 “by +名词”结构 当by后接名词时,常有下列三种情况: “1. 用 “by+交通工具的名词”,如:by train乘火车/by plane 乘“机等。 2. 用 “by+交通路线的名词”,如: by air乘飞机/by sea从海路等。“3. 用 “by+通讯工具的名词”,如:by e-mail通过电子邮件等。 注“:这些名词一律用单数形