知识与能力复习词汇time,morning,breakfast,get up,g0 t0 bed,homework,clock,afternoon,lunch,run,watch TV,evening,dinner,eat,usually,o’clock,thirty,fifteen,take a shower,go t0 school等;引导学生复习、巩固“询问和谈论时间”的目标语言并运用所学知识安排自己的学习和课外活动。过程与方法运用Summarizing,Classifying和Comparing的学习策略。在复习教学中,运用听写、提问、对话演练与调查活动,促使学生不断地使用所学内容,从而提高他们灵活运用知识的能力。情感态度价值观本部分的主要内容是复习“日常作息时间”的询问和表达。通过互相询问或谈论自己或对方的作息时间安排和活动计划,培养学生良好的作息习惯和守时习惯。教学重、难点及教学突破重点复习词汇time,morning,breakfast,get up,g0 to bed,homework,clock,afternoon,lunch,run,watch TV,evening,dinner,eat,usually,o’clock,thirty,fifteen,take a shower,go to school等;引导学生复习、巩固“询问和谈论时间”的目标语言。
1. First, ... then, ... next, ... finally, ...首先,……然后,……接着,……最后,……这是英语中表达做某事的步骤的一种说法。如果步骤较多,还可以说:first-next-after that-later on-finally/at last通常你会听到说英语国家的人在说 first, next, then, finally 和后面的内容时,他们会做一些停顿。这样就能提前告诉听者接下来讲的是一系列的步骤。这一点在朗读和听力中应特别注意。2. how many, how much均为疑问词,同是“多少”,但用法不同。请看:how many修饰可数名词复数,how much修饰不可数名词。但在用法上,同学们常犯如下错误:1) [误] How many are there bananas on the table?[正] How many bananas are there on the table?[析] how many, how much 中的many,much是形容词,常修饰名词作定语,故后面跟名词。2) [误]How much tea are there on the table?[正]How much tea is there on the table?[析] how much修饰不可数名词时,谓语动词用单数。how many与how much的区别可简记为:前how many:问“多少”,复数名词后面跑;how much问“多少”,不可数名词单数好。前者答语用基数词,后者答语用数量关系。
“Go for it!” is based on “Task-Based Language Teaching”. It adheres to “The authenticity principle”, “The form-function principle”, “The task dependency principle” and “The principle of learning by doing”. These principles all accord with the demands of curriculum focus.In and of Grade Seven (II), “Go for it!”, students have learned “The Simple Past Tense”. And it appears again in of Grade Eight (I). teaches students more about how to talk about events in the past. In addition, it gives affirmative and negative statements in the past tense, such as the sentence patterns “Did you see …?” “Were there …?” “Did you go …?” As the first part of Unit 8, Section A opens with a picture presenting the last school trip in the aquarium and continues with several step-by-step practice activities, which are all good for students to master “The Simple Past Tense”. Doing well in Section A will help students integrate the new target language with that in Section B. Thus, they can describe the events in the past freely and foster their own ability of reflecting and practicing. II. Teaching ObjectivesTeaching objective is the beginning and aim of teaching activities. According to the overall goal of the English elementary course--- improve students' synthetic ability of language application, which should be based on the development of students’ “Language knowledge”, “Language skills”, “Character building”, “Learning strategies” and “Cross-cultural awareness”. The teaching objectives are described as follows(I). Knowledge objectivesi. Master the simple past tense of regular and irregular verbsii. Recite the new words and expressions about the last school trip in the aquarium, including their pronunciation and intonation
1 交通工具的比较此活动为小组活动。学生通过讨论找出到达某一城市可乘坐的各种交通工具,并选择最佳出行方式。Teacher:We’re going to Shanghai. How many ways can we use to get there? Yes, there are four ways: by bus, by plane, by train, by ship. Please discuss how you are going to get there.操作建议:(1)学生以小组为单位展开活动,谈论本组所选择的交通工具。(2)各组选代表向全班汇报,阐述本组所选择的交通工具的利和弊。完成任务所需要的语言结构:We can go there by ship. It’s more comfortable and cheaper than any other transportation.We can go there by bus. It’s cheaper but it takes longer time.2 哪个城市更合适?此活动具有挑战性。假设中国要举行2014年世界杯足球赛,分别从历史,人文,天气等方面对各城市(北京,大连,上海,昆明)进行比较,选择最佳举办城市。T: Imagine China is holding the 2014 FIFA World Cup. Which city do you think is the best for the World Cup, Beijing, Dalian, Shanghai or Kunming? Let’s work in groups. If you choose Beijing, please join the Team Red. If you chose Dalian, please join the Team White. If you choose Shanghai, please join the Team Blue. If you choose Kunming, please join the Team Green. Please show us its advantages. Then let’s see which team will win.
教学重点和难点:运用所掌握的语言描述,比较不同地点的特点。在练习中学习掌握英语比较级和最高级的用法。课前准备分配小组,每组五至六人。通过上网或翻阅报刊杂志等方法,确定旅游线路,做出基本的旅游计划。教学设计:本节课流程图 学法指导:1.由于这是一堂新课,在教学中应注意面向全体,发挥学生的主体性,引导学生积极参与,激发学生的求知欲和学习积极性,指导学生积极思维,主动获取知识,养成良好的学习方法。逐步学会独立解决问题。总之要尽可能调动学生的非智力因素促进智力因素的发展。教法选择:1.电化教学法2.课堂讨论法3.任务型教学法采用这些方法的目的是为了充分调动学生的学习积极性,使学生变被动学习为主动学习。通过电脑形象的演示,加强印象,提高兴趣,突破难点,提高教学效率,进而增大教学的容量和信息量。充分体现教师为主导,学生为主体的教学原则。
She shouldn’t go to the party tonight.Step7. TaskT: You know, there are lots of problems in our life. If you are a doctor, please tell us how to solve the problem. I will divide you into 9 groups. Please work in groups. And then choose one of you to report your ideas.The following are the problems:I have a toothache.I am hungry. I have a sore throat.I am stressed out. I have a sore back.I am tired. I can’t sleep.I have a cold. I have a headache.Report: If you have a headache, you should go to bed early. You should see the doctor. You should eat some medicine. You shouldn’t wash your face with cold water.You shouldn’t sleep late.You shouldn’t swim.…..T encourages the students to give advice as much as possible.Homework:1. Chose one of the problems, and write down your advice2. Copy the new words这一步是用于热身的,同时也可以让他们复习一部分的表示人体部位的单词,扩充知识.学习语言的过程也是一个不断积累的过程,复习旧知识,增添新知识.通过小游戏,强化学生对Does she/he have…这个句子的运用能力.通过复习,自然的引到下面新知识的学习。充分利用表格,由句子到对话,再到文章,让学生循序渐进. 提高学生的综合语言运用能力,运用以前学过的知识来解决身边的问题.Period 5 (Section B 3a—3c, selfcheck)教学内容与分析:
一、知识和能力目标本单元的核心教学内容是“认物”。用英语确认周围的常见事物比较符合英语初学者的实际情况。通过本单元教学,使学生运用所学句型,去熟悉周围事物的名称;教学生学会在实际生活中如何确认事物。通过辨认物体,学生学到一些生词,并巩固所学句型。二、过程和方法目标教师要尽量使学生对课文中出现的句型能够熟练上口,这样,学生才能顺利开展比较灵活的对话。教师可以用手势,表情,动作等示意,帮助学生听懂课堂教学内容,但在实际操作中应尽量避免“明知故问”的倾向,应该采用应用性原则;如:遮盖物品、显露局部、辨认物体、完形识别、图形辨认等方法。三、情感态度和价值观目标目标在学生学习过程中的作用至关重要,教师要帮助他们建立起一个切合自己实际的目标,通过渐进的学习以及一点一滴的进步,使他们逐步建立起成功感。成功越多,自信心就越强。
Step 3 (3b)First, tell the students when we talk about our future plans, we often use: I’m+verb+ing When we talk about what we must do, we use have to. Ask the students to fill in the blanks in 3b. The answers are: shopping, go to see, a test, I’m going, my family. Step 4 (3c)Let the students write an e-mail message to a friend. Say why you can’t visit next. Before the exercise, ask the students to give some possible answers and write them on the blackboard. So the students will feel easy to finish the writing exercise. After they finish it, Let them to correct it in groups first. Each group chooses theirs best one to read in front of the whole class. Step 5 ( planning a party )First read the conversation in the box together. Then ask the students to turn to page 88.Write down everything you have to do next week. Write in all the things you have to do . Ask the students to look at the list. Ask them “What day are you free?” This is when you can have your party. Step 6 (Self check 1 )Let the students to fill in the blanks with the words given. Change the forms of the words if possible. Then make their own sentences. The answers are: visit, playing, have to, study, comeStep 7 (Self check 2)Imagine you are Marie. Read the information and look at your schedule. Write replies to the invitation.
一、 教学内容Section A 1a----1c二、 教学目标1.学习词汇do the dishes, make the bed, take out the trash, fold the clothes, do the laundry, sweep the floor, clean the living room.2.句型 Could you please clean your room? Yes, sure.三、 教学准备 学生预习本单元所有的词汇多媒体课件 活动表 奖品四、 教学过程Pre-task1. Warming upEnjoy ourselves. Watch cartoon Cinderella. 看动画片段《灰姑娘》导如入本课话题和新词汇“chores”美丽善良的鬼姑娘因继母的嫉妒,每天得做所有的家务。片段的主题使学生联想到本课的话题。2. learn new words and phrasesLook! What is she / he dong? 看图学习动词词组do chores, do the dishes, make the bed, take out the trash, fold the clothes, do the laundry, clean the living room.3. Guessing game.What is she doing ? 4. Pair work. 1a, Do you do these things at home? Write “Y” for “yes” and “N” for “no”.5. Listening . 1b , Peter’s chores or Mom’s chores?理解目标语Could you please clean your room? Yes, sure.Write “M” for Mom’s chores, “P” for Peter’s chores in the chart.6. PairworkLook at the picture,Ask your partner to do the chores that you see. 7. Interview Who is the most able at home? 1) What chores do you do at home? How often do you do the chores? Work in four, interview each of the students in the group, fill in the chart.
Step Ⅶ Role play ( Work on 1b)1. First ask two students to read the dialogue to the class.Sa: How do you get to school?Sb: Well, I ride my bike to the subway station. Then I take the subway.2. Now work with a partner.Suppose you use two kinds of transportation to get to school \Hangzhou\Beijing... (bus, train, subway, walking, bike, etc.) Tell how you get there. You may use the phrases in 1a.3. Then ask different pairs of students to present their conversations to the class.Step ⅧListening1. Work on 2a(1) First ask students to read the list of information that Thomas wants to know.…where Nina lives.…how far from school she lives.…how long it takes to get to school.…how she gets to school.…what she thinks of the transportation.(2) Tell students what transportation and bus stop mean.bus stop 汽车站 transportation n. 运送;运输Then tell students we'll hear a recording. Please put a checkmark in front of each thing that Thomas wants to know.(3) Now play the recording for students.( Have students pay attention to the sample answer.) (4) Then correct the answers.
Teaching goals : 1. Words & phrases: babysit ,get back , fishing , rent , think about , decide(on) , tourist etc. 2. How to talk about future plans . 3. 现在进行时表示将来计划或行动. 4. 特殊疑问句(where , when , how long引导) Important and difficult points : Drills :What are you doing for vacation ? I’m watching TV . When are you going ? I’m going … . How long are you staying ? We’re staying for five days . Teaching aids : cards and a tape ,a large wall calendar . Period 1 Teaching procedures : Step 1Leading in1. Free talk . 2. Put up the wall calendar . T: I’m staying home on Saturday (pointing to next Saturday ).Ss repeat . Ss: I’m staying home on Saturday . T: OK. Today we’ll learn how to talk about future plans. Step 2Pre-task SB Page 13 , 1a . 1. Look at the picture carefully and tell what you see in the picture . 2. Write the activities from the pictures in the box and add some more . 3. Practice reading . Step 3While-task1. Using the activities we write in 1a to make conversations .For example :What are you doing for vacation ? I’m visiting my uncle . 2. Pairwork .Practice in pairs . 3. 用第三人称练习对话.
教学目标1.知识目标:(1)学习What are you going to be when you grow up?/How are you going to do that?句式。(2)学会用英语描述有关职业的表达法。2.能力目标:(1)能够谈论为实现理想所做出的打算和安排。(2)能够谈论未来自己与他人理想的职业及原因。(3)能用英语描述课余时间的活动安排,最终具备表达综合信息的能力。3.情感目标:新学期到来之际,让他们在学习、体育、饮食、特长、读书等方面制定计划,教育学生合理安排自己的课外生活,思考自己的理想职业及适合自己的职业。教学重点、难点本单元的重点为“be going to”表将来,want to be, what,where, when,how引导的特殊疑问句。难点是语言目标的实现。教材分析本单元以I am going to be a basketball player为话题,共设计了三部分的内容:一、Section A该部分有4个模块。第一模块围绕Do you think these jobs are interesting?这一话题展开思维(1a)、听力(1b)、口语(1c)训练;
l 通过学习该单元的内容,学会正确读出小动物的单词及其复数形式。如:dog(s ), cat(s), bird(s), rabbit(s), hamster(s), turtle(s);l 掌握基本句型: What are these ? They are .... What are those ? They are ....l 学会用英语来描述自己喜欢的宠物。l 培养学生仔细观察图片,获取关键信息的能力;l 培养辩证思维及策划、合作和交流的能力。l 激发学习英语的兴趣,同时培养积极参与、乐于合作、大方交流的情感态度。
l 通过学习该单元的内容,学会正确读出小动物的单词如:dog cat bird rabbit hamster turtle;l 掌握基本句型: What is this ? It is a .... What isthat ? It is a .....l 学会用英语来描述自己喜欢的宠物。l 培养学生仔细观察图片,获取关键信息的能力;l 培养辩证思维及策划、合作和交流的能力。l 激发学习英语的兴趣,同时培养积极参与、乐于合作、大方交流的情感态度。
1. 通过在教师指导下的独立阅读,初步理解内容,学习小英雄雨来热爱祖国、憎恨敌人、机智勇敢的优秀品质。2. 继续练习用比较快的速度阅读课文,读后能说出每一部分的主要内容。3. 练习给每一部分课文加小标题。【教学重点、难点】用较快的速度阅读课文,说出每一部分的主要内容。【教学时间】1课时。【设计理念】本文虽是略读课文,但由于篇幅较长,可以安排一课时完成。教学中要练习用比较快的速度阅读课文,培养学生的自读能力。先通读课文,用比较快的速度默读课文,了解雨来是哪里人,生活在哪个年代?为什么称他是小英雄?大体了解课文主要讲了什么。全文研读时一部分一部分地阅读、思考,特别重点理解我们是中国人,我们爱自己的祖国这句话。在全面理解课文内容的基础上给各部分加小标题。最后进行总结扩展:观看情景剧;建议学生找来管桦小说的原著读一读。【教学过程】一、激发情感,释题引疑1、课件演示:小雨来与鬼子斗争的片断。问:你们想认识这位小英雄吗?2、出示课题:(1) 理解课题:齐读课题你从中知道了什么?小——指的是雨来的年龄小,是一个少年。英雄——指的“是雨来的特点。雨来——课文中的主人公。课题表现出文章的中心——英雄。(2) 引导到学生质疑:看到课题后,你还想知道什么?(为什么称雨来是小英雄?)(从课文中的哪些地方可以看出雨来是一位小英雄?)
还有其他解法吗?从中让学生体会解一元一次方程就是根据是等式的性质把方程变形成“x=a(a为已知数)”的形式(将未知数的系数化为1),这也是解方程的基本思路。并引导学生回顾检验的方法,鼓励他们养成检验的习惯)5、提出问题:我们观察上面方程的变形过程,从中观察变化的项的规律是什么?多媒体展示上面变形的过程,让学生观察在变形过程中,变化的项的变化规律,引出新知识.师提出问题:1.上述演示中,题目中的哪些项改变了在原方程中的位置?怎样变的?2.改变的项有什么变化?学生活动:分学习小组讨论,各组把讨论的结果上报教师,最好分四组,这样节省时间.师总结学生活动的结果:-2x改变符号后从等号的一边移到另一边。师归纳:像上面那样,把方程中的某项改变符号后,从方程的一边移到另一边的变形叫做移项.这里应注意移项要改变符号.
1.上述演示中,题目中的哪些项改变了在原方程中的位置?怎样变的?2.改变的项有什么变化?学生活动:分学习小组讨论,各组把讨论的结果上报教师,最好分四组,这样节省时间.师总结学生活动的结果:-2x改变符号后从等号的一边移到另一边。师归纳:像上面那样,把方程中的某项改变符号后,从方程的一边移到另一边的变形叫做移项.这里应注意移项要改变符号.(三)理解性质,应用巩固师提出问题:我们可以回过头来,想一想刚解过的方程哪个变化过程可以叫做移项.学生活动:要求学生对课前解方程的变形能说出哪一过程是移项.对比练习: 解方程:(1) X+4=6 (2) 3X=2X+1(3) 3-X=0 (4) 9X=8X-3学生活动:把学生分四组练习此题,一组、二组同学(1)(2)题用等式性质解,(3)(4)题移项变形解;三、四组同学(1)(2)题用移项变形解,(3)(4)题用等式性质解.师提出问题:用哪种方法解方程更简便?解方程的步骤是什么?(答:移项法;移项、化简、检验.)
教 学 过 程教师 行为学生 行为教学 意图时间 *揭示课题 10.3总体、样本与抽样方法(二) *创设情境 兴趣导入 【问题】 用样本估计总体时,样本抽取得是否恰当,直接关系到总体特性估计的准确程度.那么,应该如何抽取样本呢? 介绍 质疑 了解 思考 启发 学生思考 0 5*动脑思考 探索新知 【新知识】 下面介绍几种常用的抽样方法. 1.简单随机抽样 从一批苹果中选取10个,每个苹果被选中的可能性一般是不相等的,放在上面的苹果更容易被选中.实际过程又不允许将整箱苹果倒出来,搅拌均匀.因此,10个苹果做样本的代表意义就会打折扣. 我们采用抽签的方法,将苹果按照某种顺序(比如箱、层、行、列顺序)编号,写在小纸片上.将小纸片揉成小团,放到一个不透明的袋子中,充分搅拌后,再从中逐个抽出10个小纸团.最后根据编号找到苹果. 这种抽样叫做简单随机抽样. 简单随机抽样必须保证总体的每个个体被抽到的机会是相同的.也就是说,简单随机抽样是等概率抽样. 抽签法(俗称抓阄法)是最常用的简单随机抽样方法.其主要步骤为 (1)编号做签:将总体中的N个个体编上号,并把号码写到签上; (2)抽签得样本:将做好的签放到容器中,搅拌均匀后,从中逐个抽出n个签,得到一个容量为n的样本. 当总体中所含的个体较少时,通常采用简单随机抽样.例如,从某班抽取10位同学去参加义务劳动,就可采用抽签的方法来抽取样本. 当总体中的个体较多时,“搅拌均匀”不容易做到,这样抽出的样本的代表性就会打折扣.此时可以采用“随机数法”抽样. 产生随机数的方法很多,利用计算器(或计算机)可以方便地产生随机数. CASIO fx 82ESPLUS函数型计算器(如图10-3),利用 · 键的第二功能产生随机数.操作方法是:首先设置精确度并将计算器显示设置为小数状态,依次按键SHIFT 、 MODE、 2 ,然后连续按键 SHIFT 、 RAN# ,以后每按键一次 = 键,就能随机得到0~1之间的一个纯小数. 采用“随机数法”抽样的步骤为: (1)编号:将总体中的N个个体编上号; (2)选号:指定随机号的范围,利用计算器产生n个有效的随机号(范围之外或重复的号无效),得到一个容量为n的样本. 讲解 说明 引领 分析 仔细 分析 关键 语句 观察 理解 记忆 带领 学生 分析 20
2.为了表现出我国航母舰载战斗机首架次成功着舰时惊心动魄的气势,表现出舰载机成功着舰后国人的喜悦,作者在语言上也下了一番功夫,请你结合课文做具体分析。明确:(1)运用修辞手法,描绘着舰场面。“声如千骑疾,气卷万山来。”运用对偶、夸张和比喻的修辞手法,增强文章气势,生动形象地表现了舰载机着舰时的浩大声势,具有感染力。(2)运用细节描写,生动形象地描绘出舰载机着舰的情形。如“震耳欲聋”“轰鸣”描绘出舰载机着舰时巨大的声音,“眨眼之间”“刹那间”“疾如闪电”等词描绘出舰载机着舰时的震撼场面。“牢牢地”“稳稳地”生动地写出了我国舰载机着舰技术的成熟和飞行员操作技能的娴熟。“定格了一个象征胜利的巨大‘V’字”的特写镜头,既是对当时情景的生动再现,也表现了作者对我国航母舰载战斗机首架次成功着舰的喜悦和自豪。
解析:(1)连接BI,根据I是△ABC的内心,得出∠1=∠2,∠3=∠4,再根据∠BIE=∠1+∠3,∠IBE=∠5+∠4,而∠5=∠1=∠2,得出∠BIE=∠IBE,即可证出IE=BE;(2)由三角形的内心,得到角平分线,根据等腰三角形的性质得到边相等,由等量代换得到四条边都相等,推出四边形是菱形.解:(1)BE=IE.理由如下:如图①,连接BI,∵I是△ABC的内心,∴∠1=∠2,∠3=∠4.∵∠BIE=∠1+∠3,∠IBE=∠5+∠4,而∠5=∠1=∠2,∴∠BIE=∠IBE,∴BE=IE;(2)四边形BECI是菱形.证明如下:∵∠BED=∠CED=60°,∴∠ABC=∠ACB=60°,∴BE=CE.∵I是△ABC的内心,∴∠4=12∠ABC=30°,∠ICD=12∠ACB=30°,∴∠4=∠ICD,∴BI=IC.由(1)证得IE=BE,∴BE=CE=BI=IC,∴四边形BECI是菱形.方法总结:解决本题要掌握三角形的内心的性质,以及圆周角定理.
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