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北师大初中数学九年级上册复杂图形的三视图2教案

  • 湖北省荆门市2016年中考文综(历史部分)真题试题(含答案)

    湖北省荆门市2016年中考文综(历史部分)真题试题(含答案)

    材料一:“华盛顿,异人也。起事勇于胜广,割据雄于曹刘,既已提三尺剑,开疆万里,乃不僭位号、不传子孙,而创为推举之法,几于天下为公,骎骎乎三代之遗意。” ——摘自华盛顿纪念塔内的碑文材料二:1862年9月,林肯颁布了《解放黑人奴隶宣言》,规定从1863年元旦起,废除叛乱诸州的奴隶制,并允许奴隶作为自由人参加北方军队。 ——摘自《世界历史》九年级上册

  • 湖北省襄阳市2017年中考文综(历史部分)真题试题(含答案)

    湖北省襄阳市2017年中考文综(历史部分)真题试题(含答案)

    材料一 一九一七年的俄国革命,是二十世纪中世界革命的先声。——《庶民的胜利》材料二美国独立战争期间,路易(法国国王路易十六)援助美国并非他热爱民主起义,而是由于他畏惧且憎恨英国。他帮助美国,支持自由事业,可这却成为压倒法国的最后一块巨石,法国已彻底倒闭了。 ——海斯·穆恩·韦兰《全球通史》(1)材料一中的“俄国革命”指的是哪一事件?(1 分)如何理解“俄国革命是二十世纪中世界革命的先声”?(1 分)(2)材料二中,为什么说美国的独立战争是一次“民主起义”?(1 分)(3)结合法国大革命的有关知识,指出法国国内存在的压倒它自身的一块“巨石”。(1 分)(4)结合所学知识,请从政治和经济两个角度,分析18 世纪后半期英国被法国“畏惧且憎恨”的原因。(2 分)

  • 湖北省潜江市、天门市、仙桃市、江汉油田2015年中考语文真题试题(含答案)

    湖北省潜江市、天门市、仙桃市、江汉油田2015年中考语文真题试题(含答案)

    中国邮政日前宣布开放全国5000个自提网点,任何一家快递公司发货,均可享受此服务。自提网点包括现有邮政自有网点和“无人值守”的智能快递柜。看似简单的自提系统开放,背后却是智能快递的大市场。企业、专家、主管部门等负责人均认为,智能快递已成为当前政府驱动快递满足消费和商业需求的重要手段。快递员将快递包裹送到置于小区的智能快递柜中,给收件人发送取件短信。收件人经过手机查询——输入密码——开门取件三个步骤,便可将一个快递包裹从智能快递柜中取出,抱回家去。这种方式越来越受到居民和快递员欢迎。中国快递协会常务副会长李惠德说,目前出现的一些智能快递柜,代表着未来中国快递业的发展方向——智能快递,即通过引入信息化、大数据等现代化手段,融合预测等方式,以更加便捷的智能设施(如智能快递柜)和手段满足高密度、高成本、高人力的现代快递工作,通过建设社区的“智能快递站”为消费者服务。

  • 人教A版高中数学必修一函数y=Asin(ωχ+φ)教学设计(1)

    人教A版高中数学必修一函数y=Asin(ωχ+φ)教学设计(1)

    本节课选自《普通高中课程标准实验教科书数学必修1》5.6.2节 函数y=Asin(ωx+φ)的图象通过图象变换,揭示参数φ、ω、A变化时对函数图象的形状和位置的影响。通过引导学生对函数y=sinx到y=Asin(ωx+φ)的图象变换规律的探索,让学生体会到由简单到复杂、由特殊到一般的化归思想;并通过对周期变换、相位变换先后顺序调整后,将影响图象变换这一难点的突破,让学生学会抓住问题的主要矛盾来解决问题的基本思想方法;通过对参数φ、ω、A的分类讨论,让学生深刻认识图象变换与函数解析式变换的内在联系。通过图象变换和“五点”作图法,正确找出函数y=sinx到y=Asin(ωx+φ)的图象变换规律,这也是本节课的重点所在。提高学生的推理能力。让学生感受数形结合及转化的思想方法。发展学生数学直观、数学抽象、逻辑推理、数学建模的核心素养。

  • 中班科学教案:气球吃什么

    中班科学教案:气球吃什么

    2. 探索充气的多种方法。3. 体会与同伴合作才能扎住“气球嘴”的必要性。准备:1. 没充气的气球人手一份。2. 脚踩式打气筒,各种充气玩具若干。过程:1. 气球吃什么。 出示充好气的气球和未充气的气球。这个气球圆鼓鼓,胖乎乎,这个气球呢,瘪着肚子,好像没吃过饭。 教师手拿未充气的气球,引出《气球爱吃什么》。 气球喜欢吃饼干、馒头、糖果吗? 气球吃什么,才能鼓起来,变的胖胖的呢?

  • 中班科学教案:吃西瓜

    中班科学教案:吃西瓜

    目标:1、感知、探索西瓜的特征。2、通过比较、品尝,体验新品种无籽西瓜的优点。[评:目标2体现了科技、发明与人们之间关系密切的观点。]准备:1、外形各异的普通西瓜及其他瓜果若干。2、无籽西瓜若干。3、餐巾、点心盘人手一份;刀、抹布各一。4、课前请幼儿洗净双手。过程:一、用故事引出“怎样吃西瓜”的问题[评:以有趣的故事引出课题,既能启发幼儿联系自己的经验,又能激发幼儿讨论的兴趣。]  教师讲述故事《猴王吃西瓜》,提问:1、猴王是怎样吃西瓜的?2、你们是怎样吃西瓜的?

  • 中班科学教案:颜色对对碰

    中班科学教案:颜色对对碰

    2、通过在活动中引导幼儿仔细观察,鼓励幼儿大胆尝试记录实验结果,培养幼儿的好奇心。 【活动准备】 1、物质准备: A.一瓶黄颜色的水。 B.每组三个透明的小缸,分别装有红、黄、蓝三种颜色、及棉签等 C.记录材料每人一份,小盘若干,瓶子若干。 2、经验准备:认识颜色。 【活动过程】 一、情境导入:以看魔术表演来激发幼儿学习的兴趣。 1)师:今天,张老师当一次魔术师,给大家变一个小魔术,请仔细观察! 这瓶水是什么颜色的?(黄色) “好,小朋友看清楚了,魔术开始!千万不要眨眼睛哟!” 教师摇晃瓶子,变变变。 师:“我们一起来喊一二三,一,二,三变成什么颜色拉?”(绿色)

  • 中班科学教案:淡水和盐水

    中班科学教案:淡水和盐水

    活动目标:1、通过实验的方法,知道盐可以增加水的浮力,让有些沉下去的东西浮起来。2、了解自然界中死海能使人漂浮的成因。活动过程:(一)幼儿叙述“沉”与“浮”的物品:  教师:小朋友,你知道哪些东西放在水里会浮起来?哪些东西放在水里会沉下去?  (二)变魔术“鸡蛋浮起来”:  提问:鸡蛋放在水里是沉还是浮起来呢?  教师做实验——鸡蛋沉入水底  教师假装变魔术,出示一杯放了盐的水,放入鸡蛋,鸡蛋浮出水面。  教师:你知道我是怎么让鸡蛋浮的吗?  教师:我在水里加了一样神秘的东西,你知道是什么吗?  教师出示盐、糖、味精  提问:我就是往水里加了这三个好朋友中的一个,你们猜猜是谁呀?今天我不告诉你们,让你们自己去发现!

  • 中班科学教案:生蛋和熟蛋

    中班科学教案:生蛋和熟蛋

    【活动目标】1、幼儿喜欢参与区分生蛋和熟蛋的探索活动,学习用记录纸进行记录,并能大胆讲述自己的操作结果。2、能够利用教师提供的材料探索蛋宝宝浮起来的方法。3、能够创造性的利用多种材料进行操作,鼓励幼儿的大胆操作和创新。 【活动准备】  操作材料一:1、生蛋、熟蛋数量与幼儿数相同,盘子每组两个。2、玻璃缸或透明塑料瓶(高度40厘米)三个、手电筒若干、暗箱(用纸盒制作,底部挖个大洞,允许幼儿将头探进去;在一个侧边挖鸡蛋直径大小的洞,可容一个鸡蛋放进。用时用一块厚一点的黑布遮住,达到暗箱的效果)3、记录纸、彩笔人手一份。  操作材料二:1、每组一个大盆,盛满水。3、各组材料:A筷子、橡皮筋;B蛋糕叉子、泡沫板;C泡沫板、塑料夹子、果冻盒;D木板、剪刀、泡沫纸;E雪花片、图形积塑、积木等。

  • 中班科学教案:小球站稳了

    中班科学教案:小球站稳了

    2、探索发现利用一张纸使小球稳定的方法。3、能积极动脑筋想办法,解决问题。 活动准备:物质材料准备:乒乓球和纸。知识经验准备:幼儿有玩球的经验,知道球滚动的特性。环境准备:体育区角投放的兵乓球。

  • 教师教学工作考核制度

    教师教学工作考核制度

    1、教案检查制度:  为了消除无教案上课现象,年级部每月进行一次教案检查登记,根据教案数量考核课时津贴,根据备课数量和质量考核当月教案得分。平时考核按10分制。根据备课格式的规范性,备课内容、板面及书写综合评分,上等记为9-10分,中等记为5-8分,下等在5分以下,上等人数不得超过30%。教务处或教研室开学和期末要对教师教案进行检查,并评选出本期优秀教案。  2、作业检查制度:  年级部每月对任课教师的作业布置和批改情况作检查登记,并评定当月得分,按10分制记录。作业率在10%以下记1分,作业率在10%至20%记2分依此类推。但批改不认真的要在基本分上酌情扣分,作业率=作文一次按两次统计。体育音乐课允许无作业,此项评分将根据两操一课活动的开展情况,平时的各种活动开展情况和成绩记录、资料收集等项目进行考核,学期末由年级部和教务处考核评分。

  • 学校教师教研工作计划

    学校教师教研工作计划

    一、指导思想  素质教育的发展,其根本目的是培养学生的全面发展,提高学生的创新思维及创造能力。其核心就是创新能力、实际的动手能力和观察能力等科学素质的培养。由于科学课程承担着培养小学生科学素养的重任,科学课程的内容和课程结构都与学生的生活和经验紧密结合,为学生的终身发展提供必备的基础知识、基本技能和良好的情感发展与价值观。科学课程以创新精神和实践能力为核心,重视发展学生搜集处理信息的能力、自主获取新知识的能力、分析解决问题的能力、交流与合作的能力,其地位在整个小学教育中是越来越重要。因而,学好科学这一课程也显得越来越重要。

  • 新人教版高中英语必修3Unit 2 Morals and Virtues-Discovering Useful Structure教学设计

    新人教版高中英语必修3Unit 2 Morals and Virtues-Discovering Useful Structure教学设计

    1. 表示时间。Hearing these stories, I’m skeptical about the place. = When I heard these stories. . . 2. 表示原因。Not knowing his address, I can’t send this book to him. = Because/Since/As I don’t know his address. . . 3. 表示结果。His father died, leaving him a lot of money. =. . . and left him a lot of money4. 表示条件。Going straight down the road, you will find the department store. = If you go straight down the road. . . 5. 表示让步。Being tired, they went on working. =Although they were tired. . . 6. 表示行为方式、伴随情况或补充说明。He lay on the grass, staring at the sky for a long time. =. . . and stared at the sky for a long time注意:非谓语动词作状语时, 如所提供的动词不能和句子中的主语保持一致, 动词-ing形式必须有自己的逻辑主语, 通常由名词或代词来担任, 这就是独立主格结构。The last bus having gone, we had to walk home. (having gone的逻辑主语是the last bus, 而不是we)Weather permitting, the football match will be played on Friday. (permitting的逻辑主语是time, 而不是the football match)Step 7 Practice1. ________(study) hard, you are sure to get first prize. 2. People use plastic in their daily life, _______(leave) large amounts of waste. 3. ________(work) hard at your lessons, you are to succeed. 4. The old man, ____________(work) abroad for twenty years, is on the way back to his motherland. 5. ______________(finish) his homework, he was playing on the playground. Answers: 1. Studying 2. leaving 3. Working 4.having worked 5. Having finishedStep 8 HomeworkFinish the homework on Page 22.

  • 新人教版高中英语必修3Unit 2 Morals and Virtues-Listening &Speaking&Talking教学设计

    新人教版高中英语必修3Unit 2 Morals and Virtues-Listening &Speaking&Talking教学设计

    Example:One day, a poor boy who was trying to pay his way through school by sending newspapers door to door found that he only had one dime(一角)left. He was so hungry that he decided to beg for a meal at the next house.However, he lost his nerve when a lovely young woman opened the door. Instead of a meal he asked for a drink of water. She thought he looked hungry so she brought him a large glass of milk. He drank it slowly, and then asked, “How much do I owe you?” “You don’t owe me anything,” she replied, “Mother has taught me never to accept pay for a kindness.” “Then I thank you from the bottom of my heart.” With these words, Howard Kelly left that house.Years later the woman became badly ill and was finally sent to the hospital in a big city. Dr. Howard Kelly, now famous, was called in. When he heard the name of the town she came from, a strange light filled his eyes. Dressed in his doctor’s clothes, Dr. Kelly went into her room and recognized her at once. From that day on, he gave special attention to her, and decided to do his best to save her life.At last the woman was saved. Dr. Kelly asked the business office to pass the final bill to him. He looked at it and then wrote something on the side. The bill was sent to the woman’s room. She was afraid to open it because she was sure that it would take the rest of her life to pay for it off. Finally she looked, and the note on the side of the bill caught her attention. She read these words: “Paid in full with a glass of milk, Dr. Howard Kelly.” Tear of joy flooded her eyes.

  • 新人教版高中英语必修3Unit 2 Morals and Virtues-Reading and Thinking教学设计

    新人教版高中英语必修3Unit 2 Morals and Virtues-Reading and Thinking教学设计

    The topic of this part is “Learn to make choices in life”.The Listening & Speaking & Talking part aims at the moral dilemmas, and this part is about making choices in life. The heroin is Lin Qiaozhi, a famous medical scientist, made a great contribution to our country’s medical care. Most importantly, her life experience can inspire our students whether in studying or the development of career. she had moral dilemmas and life choices, which are similar to the students who will step into society. Besides, Lin has quite good virtues like kindness, self-improvement, insistence, job-loving , generosity and responsibility, which is worth being learned.Concretely, this article is a biography about Lin Qiaozhi. The article tells her whole life according the timeline, among which the life choices is emphasized. For example, whether married or chased her dream, returned home or stayed abroad, family or public, her choices all reflected her faith, spirit, responsibility and devotion.1. Fast reading to get the detailed information about Lin Qiaozhi; careful reading to do the deductive information.2. Learn the reading skills--deductive judgement according the context.3. Study the structure features and language features. 4. Communicate about Lin’s life choices and reflect their own life choices.1. Learn the reading skills--deductive judgement according the context.2. Study the structure features and language features.3. Communicate about Lin’s life choices and reflect their own life choices.Step 1 Lead in---Small talkWhat are some important life choices?Importance choices: university study, jobs and marriage partners. Because they can determine our future.

  • 新人教版高中英语选修2Unit 1 Science and Scientists-Discovering useful structures教学设计

    新人教版高中英语选修2Unit 1 Science and Scientists-Discovering useful structures教学设计

    The grammatical structure of this unit is predicative clause. Like object clause and subject clause, predicative clause is one of Nominal Clauses. The leading words of predicative clauses are that, what, how, what, where, as if, because, etc.The design of teaching activities aims to guide students to perceive the structural features of predicative clauses and think about their ideographic functions. Beyond that, students should be guided to use this grammar in the context apporpriately and flexibly.1. Enable the Ss to master the usage of the predicative clauses in this unit.2. Enable the Ss to use the predicative patterns flexibly.3. Train the Ss to apply some skills by doing the relevant exercises.1.Guide students to perceive the structural features of predicative clauses and think about their ideographic functions.2.Strengthen students' ability of using predicative clauses in context, but also cultivate their ability of text analysis and logical reasoning competence.Step1: Underline all the examples in the reading passage, where noun clauses are used as the predicative. Then state their meaning and functions.1) One theory was that bad air caused the disease.2) Another theory was that cholera was caused by an infection from germs in food or water.3) The truth was that the water from the Broad Street had been infected by waste.Sum up the rules of grammar:1. 以上黑体部分在句中作表语。2. 句1、2、3中的that在从句中不作成分,只起连接作用。 Step2: Review the basic components of predicative clauses1.Definition

  • 新人教版高中英语选修2Unit 1 Science and Scientists-Learning about Language教学设计

    新人教版高中英语选修2Unit 1 Science and Scientists-Learning about Language教学设计

    Step 7: complete the discourse according to the grammar rules.Cholera used to be one of the most 1.__________ (fear) diseases in the world. In the early 19th century, _2_________ an outbreak of cholera hit Europe, millions of people died. But neither its cause, 3__________ its cure was understood. A British doctor, John Snow, wanted to solve the problem and he knew that cholera would not be controlled _4_________ its cause was found. In general, there were two contradictory theories 5 __________ explained how cholera spread. The first suggested that bad air caused the disease. The second was that cholera was caused by an _6_________(infect) from germs in food or water. John Snow thought that the second theory was correct but he needed proof. So when another outbreak of cholera hit London in 1854, he began to investigate. Later, with all the evidence he _7_________ (gather), John Snow was able to announce that the pump water carried cholera germs. Therefore, he had the handle of the pump _8_________ (remove) so that it couldn't be used. Through his intervention,the disease was stopped in its tracks. What is more, John Snow found that some companies sold water from the River Thames that __9__________________ (pollute) by raw waste. The people who drank this water were much more likely _10_________ (get) cholera than those who drank pure or boiled water. Through John Snow's efforts, the _11_________ (threaten) of cholera around the world saw a substantial increase. Keys: 1.feared 2.when 3. nor 4.unless 5.that/which 6.infection 7.had gathered 8.removed 9.was polluted 10.to get 11. threat

  • 新人教版高中英语选修2Unit 1 Science and Scientists-Reading and thinking教学设计

    新人教版高中英语选修2Unit 1 Science and Scientists-Reading and thinking教学设计

    Step 5: After learning the text, discuss with your peers about the following questions:1.John Snow believed Idea 2 was right. How did he finally prove it?2. Do you think John Snow would have solved this problem without the map?3. Cholera is a 19th century disease. What disease do you think is similar to cholera today?SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.keys:1. John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.2. No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.3. SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.Step 6: Consolidate what you have learned by filling in the blanks:John Snow was a well-known _1___ in London in the _2__ century. He wanted to find the _3_____ of cholera in order to help people ___4_____ it. In 1854 when a cholera __5__ London, he began to gather information. He ___6__ on a map ___7___ all the dead people had lived and he found that many people who had ___8____ (drink) the dirty water from the __9____ died. So he decided that the polluted water ___10____ cholera. He suggested that the ___11__ of all water supplies should be _12______ and new methods of dealing with ____13___ water be found. Finally, “King Cholera” was __14_____.Keys: 1. doctor 2. 19th 3.cause 4.infected with 5.hit 6.marked 7.where 8.drunk 9.pump 10.carried 11.source 12.examined 13.polluted 14.defeatedHomework: Retell the text after class and preview its language points

  • 新人教版高中英语选修2Unit 3 Food and Culture-Discovering useful structures教学设计

    新人教版高中英语选修2Unit 3 Food and Culture-Discovering useful structures教学设计

    The newspaper reported more than 100 people had been killed in the thunderstorm.报纸报道说有一百多人在暴风雨中丧生。(2)before、when、by the time、until、after、once等引导的时间状语从句的谓语是一般过去时,以及by、before后面接过去的时间时,主句动作发生在从句的动作或过去的时间之前且表示被动时,要用过去完成时的被动语态。By the time my brother was 10, he had been sent to Italy.我弟弟10岁前就已经被送到意大利了。Tons of rice had been produced by the end of last month. 到上月底已生产了好几吨大米。(3) It was the first/second/last ... time that ...句中that引导的定语从句中,主语与谓语构成被动关系时,要用过去完成时的被动语态。It was the first time that I had seen the night fact to face in one and a half years. 这是我一年半以来第一次亲眼目睹夜晚的景色。(4)在虚拟语气中,条件句表示与过去事实相反,且主语与谓语构成被动关系时,要用过去完成时的被动语态。If I had been instructed by him earlier, I would have finished the task.如果我早一点得到他的指示,我早就完成这项任务了。If I had hurried, I wouldn't have missed the train.如果我快点的话,我就不会误了火车。If you had been at the party, you would have met him. 如果你去了晚会,你就会见到他的。

  • 新人教版高中英语选修2Unit 5 First Aid-Discovering useful structures教学设计

    新人教版高中英语选修2Unit 5 First Aid-Discovering useful structures教学设计

    You have no excuse for not going.你没有理由不去。He was punished for not having finished his homework.他因未完成作业而受到惩罚。2.动词­ing形式复合结构由物主代词或人称代词宾格、名词所有格或普通格加动词­ing,即“sb./sb.'s+doing”构成。动词­ing形式的复合结构实际上是给动词­ing形式加了一个逻辑主语。动词­ing形式的复合结构有四种形式:①形容词性物主代词+动词­ing②名词所有格+动词­ing③代词宾格+动词­ing④名词+动词­ingHer coming to help encouraged all of us.她来帮忙鼓舞了我们所有人。The baby was made awake by the door suddenly shutting.这个婴儿被突然的关门声吵醒了。Can you imagine him/Jack cooking at home?你能想象他/杰克在家做饭的样子吗?无生命名词无论是作主语还是作宾语都不能用第②种形式。Tom's winning first prize last year impressed me a lot.汤姆去年得了一等奖使我印象深刻。Do you mind my/me/Jack's/Jack leaving now?你介意我/杰克现在离开吗?Excuse me for my not coming on time.很抱歉我没能按时来。His father's being ill made him worried.他父亲病了,他很担心。We are looking forward to the singer's/the singer to give us a concert.我们盼望着这位歌手来给我们举办一场演唱会。

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