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九年級(jí)上冊(cè)道德與法治守望精神家園2作業(yè)設(shè)計(jì)

  • 《珍愛(ài)生命遠(yuǎn)離毒品》教學(xué)設(shè)計(jì)教案

    《珍愛(ài)生命遠(yuǎn)離毒品》教學(xué)設(shè)計(jì)教案

    教學(xué)目標(biāo):1、使學(xué)生了解什么是毒品,毒品的種類(lèi),認(rèn)識(shí)吸毒行為,認(rèn)清毒品的危害性。2、通過(guò)圖文、吸毒而造成的悲慘事件,教育學(xué)生自覺(jué)遠(yuǎn)離毒品,提高拒毒防毒意識(shí)和能力。3、讓學(xué)生認(rèn)識(shí)吸毒成癮的途徑;認(rèn)識(shí)吸毒成癮的原因,如何預(yù)防。懂得“珍愛(ài)生命,拒絕毒品”,培養(yǎng)禁毒意識(shí),遵紀(jì)守法,抵制毒品,增強(qiáng)與毒品違法犯罪作斗爭(zhēng)的自覺(jué)性。教學(xué)重點(diǎn):知道什么是毒品,吸毒的危害,如何提高抵制毒品的能力。

  • 【高教版】中職數(shù)學(xué)拓展模塊:2.3《拋物線(xiàn)》教學(xué)設(shè)計(jì)

    【高教版】中職數(shù)學(xué)拓展模塊:2.3《拋物線(xiàn)》教學(xué)設(shè)計(jì)

    一、教學(xué)目標(biāo)(一)知識(shí)教育點(diǎn)使學(xué)生掌握拋物線(xiàn)的定義、拋物線(xiàn)的標(biāo)準(zhǔn)方程及其推導(dǎo)過(guò)程.(二)能力訓(xùn)練點(diǎn)要求學(xué)生進(jìn)一步熟練掌握解析幾何的基本思想方法,提高分析、對(duì)比、概括、轉(zhuǎn)化等方面的能力.(三)學(xué)科滲透點(diǎn)通過(guò)一個(gè)簡(jiǎn)單實(shí)驗(yàn)引入拋物線(xiàn)的定義,可以對(duì)學(xué)生進(jìn)行理論來(lái)源于實(shí)踐的辯證唯物主義思想教育.二、教材分析1.重點(diǎn):拋物線(xiàn)的定義和標(biāo)準(zhǔn)方程.2.難點(diǎn):拋物線(xiàn)的標(biāo)準(zhǔn)方程的推導(dǎo).三、活動(dòng)設(shè)計(jì)提問(wèn)、回顧、實(shí)驗(yàn)、講解、板演、歸納表格.四、教學(xué)過(guò)程(一)導(dǎo)出課題我們已學(xué)習(xí)了圓、橢圓、雙曲線(xiàn)三種圓錐曲線(xiàn).今天我們將學(xué)習(xí)第四種圓錐曲線(xiàn)——拋物線(xiàn),以及它的定義和標(biāo)準(zhǔn)方程.課題是“拋物線(xiàn)及其標(biāo)準(zhǔn)方程”.首先,利用籃球和排球的運(yùn)動(dòng)軌跡給出拋物線(xiàn)的實(shí)際意義,再利用太陽(yáng)灶和拋物線(xiàn)型的橋說(shuō)明拋物線(xiàn)的實(shí)際用途。

  • 【高教版】中職數(shù)學(xué)拓展模塊:3.5《正態(tài)分布》教學(xué)設(shè)計(jì)

    【高教版】中職數(shù)學(xué)拓展模塊:3.5《正態(tài)分布》教學(xué)設(shè)計(jì)

    教學(xué)目的:理解并熟練掌握正態(tài)分布的密度函數(shù)、分布函數(shù)、數(shù)字特征及線(xiàn)性性質(zhì)。教學(xué)重點(diǎn):正態(tài)分布的密度函數(shù)和分布函數(shù)。教學(xué)難點(diǎn):正態(tài)分布密度曲線(xiàn)的特征及正態(tài)分布的線(xiàn)性性質(zhì)。教學(xué)學(xué)時(shí):2學(xué)時(shí)教學(xué)過(guò)程:第四章 正態(tài)分布§4.1 正態(tài)分布的概率密度與分布函數(shù)在討論正態(tài)分布之前,我們先計(jì)算積分。首先計(jì)算。因?yàn)?利用極坐標(biāo)計(jì)算)所以。記,則利用定積分的換元法有因?yàn)椋运梢宰鳛槟硞€(gè)連續(xù)隨機(jī)變量的概率密度函數(shù)。定義 如果連續(xù)隨機(jī)變量的概率密度為則稱(chēng)隨機(jī)變量服從正態(tài)分布,記作,其中是正態(tài)分布的參數(shù)。正態(tài)分布也稱(chēng)為高斯(Gauss)分布。

  • 【高教版】中職數(shù)學(xué)拓展模塊:2.2《雙曲線(xiàn)》教學(xué)設(shè)計(jì)

    【高教版】中職數(shù)學(xué)拓展模塊:2.2《雙曲線(xiàn)》教學(xué)設(shè)計(jì)

    教學(xué)準(zhǔn)備 1. 教學(xué)目標(biāo) 知識(shí)與技能掌握雙曲線(xiàn)的定義,掌握雙曲線(xiàn)的四種標(biāo)準(zhǔn)方程形式及其對(duì)應(yīng)的焦點(diǎn)、準(zhǔn)線(xiàn).過(guò)程與方法掌握對(duì)雙曲線(xiàn)標(biāo)準(zhǔn)方程的推導(dǎo),進(jìn)一步理解求曲線(xiàn)方程的方法——坐標(biāo)法.通過(guò)本節(jié)課的學(xué)習(xí),提高學(xué)生觀察、類(lèi)比、分析和概括的能力.情感、態(tài)度與價(jià)值觀通過(guò)本節(jié)的學(xué)習(xí),體驗(yàn)研究解析幾何的基本思想,感受圓錐曲線(xiàn)在刻畫(huà)現(xiàn)實(shí)和解決實(shí)際問(wèn)題中的作用,進(jìn)一步體會(huì)數(shù)形結(jié)合的思想.2. 教學(xué)重點(diǎn)/難點(diǎn) 教學(xué)重點(diǎn)雙曲線(xiàn)的定義及焦點(diǎn)及雙曲線(xiàn)標(biāo)準(zhǔn)方程.教學(xué)難點(diǎn)在推導(dǎo)雙曲線(xiàn)標(biāo)準(zhǔn)方程的過(guò)程中,如何選擇適當(dāng)?shù)淖鴺?biāo)系. 3. 教學(xué)用具 多媒體4. 標(biāo)簽

  • 【高教版】中職數(shù)學(xué)拓展模塊:2.1《橢圓》優(yōu)秀教學(xué)設(shè)計(jì)

    【高教版】中職數(shù)學(xué)拓展模塊:2.1《橢圓》優(yōu)秀教學(xué)設(shè)計(jì)

    本人所教的兩個(gè)班級(jí)學(xué)生普遍存在著數(shù)學(xué)科基礎(chǔ)知識(shí)較為薄弱,計(jì)算能力較差,綜合能力不強(qiáng),對(duì)數(shù)學(xué)學(xué)習(xí)有一定的困難。在課堂上的主體作用的體現(xiàn)不是太充分,但是他們能意識(shí)到自己的不足,對(duì)數(shù)學(xué)課的學(xué)習(xí)興趣高,積極性強(qiáng)。 學(xué)生在學(xué)習(xí)交往上表現(xiàn)為個(gè)別化學(xué)習(xí),課堂上較為依賴(lài)?yán)蠋煹囊龑?dǎo)。學(xué)生的群體性小組交流能力與協(xié)同討論學(xué)習(xí)的能力不強(qiáng),對(duì)學(xué)習(xí)資源和知識(shí)信息的獲取、加工、處理和綜合的能力較低。在教學(xué)中盡量分析細(xì)致,減少跨度較大的環(huán)節(jié),對(duì)重要的推導(dǎo)過(guò)程采用板書(shū)方式逐步進(jìn)行,力求讓絕大多數(shù)學(xué)生接受。 1.理解橢圓標(biāo)準(zhǔn)方程的推導(dǎo);掌握橢圓的標(biāo)準(zhǔn)方程;會(huì)根據(jù)條件求橢圓的標(biāo)準(zhǔn)方程,會(huì)根據(jù)橢圓的標(biāo)準(zhǔn)方程求焦點(diǎn)坐標(biāo). 2.通過(guò)橢圓圖形的研究和標(biāo)準(zhǔn)方程的討論,使學(xué)生掌握橢圓的幾何性質(zhì),能正確地畫(huà)出橢圓的圖形,并了解橢圓的一些實(shí)際應(yīng)用。 1.讓學(xué)生經(jīng)歷橢圓標(biāo)準(zhǔn)方程的推導(dǎo)過(guò)程,進(jìn)一步掌握求曲線(xiàn)方程的一般方法,體會(huì)數(shù)形結(jié)合等數(shù)學(xué)思想;培養(yǎng)學(xué)生運(yùn)用類(lèi)比、聯(lián)想等方法提出問(wèn)題. 2.培養(yǎng)學(xué)生運(yùn)用數(shù)形結(jié)合的思想,進(jìn)一步掌握利用方程研究曲線(xiàn)的基本方法,通過(guò)與橢圓幾何性質(zhì)的對(duì)比來(lái)提高學(xué)生聯(lián)想、類(lèi)比、歸納的能力,解決一些實(shí)際問(wèn)題。 1.通過(guò)具體的情境感知研究橢圓標(biāo)準(zhǔn)方程的必要性和實(shí)際意義;體會(huì)數(shù)學(xué)的對(duì)稱(chēng)美、簡(jiǎn)潔美,培養(yǎng)學(xué)生的審美情趣,形成學(xué)習(xí)數(shù)學(xué)知識(shí)的積極態(tài)度. 2.進(jìn)一步理解并掌握代數(shù)知識(shí)在解析幾何運(yùn)算中的作用,提高解方程組和計(jì)算能力,通過(guò)“數(shù)”研究“形”,說(shuō)明“數(shù)”與“形”存在矛盾的統(tǒng)一體中,通過(guò)“數(shù)”的變化研究“形”的本質(zhì)。幫助學(xué)生建立勇于探索創(chuàng)新的精神和克服困難的信心。

  • 人教A版高中數(shù)學(xué)必修一誘導(dǎo)公式教學(xué)設(shè)計(jì)(1)

    人教A版高中數(shù)學(xué)必修一誘導(dǎo)公式教學(xué)設(shè)計(jì)(1)

    一、復(fù)習(xí)回顧,溫故知新1. 任意角三角函數(shù)的定義【答案】設(shè)角 它的終邊與單位圓交于點(diǎn) 。那么(1) (2) 2.誘導(dǎo)公式一 ,其中, 。終邊相同的角的同一三角函數(shù)值相等二、探索新知思考1:(1).終邊相同的角的同一三角函數(shù)值有什么關(guān)系?【答案】相等(2).角 -α與α的終邊 有何位置關(guān)系?【答案】終邊關(guān)于x軸對(duì)稱(chēng)(3).角 與α的終邊 有何位置關(guān)系?【答案】終邊關(guān)于y軸對(duì)稱(chēng)(4).角 與α的終邊 有何位置關(guān)系?【答案】終邊關(guān)于原點(diǎn)對(duì)稱(chēng)思考2: 已知任意角α的終邊與單位圓相交于點(diǎn)P(x, y),請(qǐng)同學(xué)們思考回答點(diǎn)P關(guān)于原點(diǎn)、x軸、y軸對(duì)稱(chēng)的三個(gè)點(diǎn)的坐標(biāo)是什么?【答案】點(diǎn)P(x, y)關(guān)于原點(diǎn)對(duì)稱(chēng)點(diǎn)P1(-x, -y)點(diǎn)P(x, y)關(guān)于x軸對(duì)稱(chēng)點(diǎn)P2(x, -y) 點(diǎn)P(x, y)關(guān)于y軸對(duì)稱(chēng)點(diǎn)P3(-x, y)

  • 國(guó)旗下的講話(huà)演講稿:學(xué)會(huì)設(shè)計(jì)人生的價(jià)值觀

    國(guó)旗下的講話(huà)演講稿:學(xué)會(huì)設(shè)計(jì)人生的價(jià)值觀

    演講稿頻道《國(guó)旗下的講話(huà)演講稿:學(xué)會(huì)設(shè)計(jì)人生的價(jià)值觀》,希望大家喜歡。各位尊敬的老師,親愛(ài)的同學(xué)們:大家上午好!同學(xué)們,人生的目標(biāo)不妨定的高遠(yuǎn)些,如果經(jīng)過(guò)全力打拼,沒(méi)有實(shí)現(xiàn),那么至少也要比目標(biāo)定的太低的人實(shí)現(xiàn)得多。林肯曾經(jīng)說(shuō)過(guò):“噴泉的高度不會(huì)超過(guò)他的源頭,一個(gè)人的事業(yè)也是這樣,他的成就絕不會(huì)超過(guò)他的信念”。當(dāng)拿破侖還是個(gè)少尉的時(shí)候,工作之余,他的同伴們便開(kāi)始尋歡作樂(lè),去游玩或找女人。他卻在埋頭讀書(shū),如饑似渴地讀那些對(duì)他將來(lái)有用的東西:歷史、戰(zhàn)爭(zhēng)、哲學(xué)、文化、法律、天文、地理、氣象學(xué)等等。他曾說(shuō)過(guò):“不想當(dāng)元帥的士兵不是個(gè)好士兵”。

  • 新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)二

    新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)二

    1. Ss look at the picture and scan the passage to understand the main idea while teacher is giving the following questions to inspire Ss to think.*Where are those people?*What are they doing?*Why are they so excited?2. Ss complete the passage with the appropriate -ing form. Then discuss and check the answers with class.Answers: boring, interesting, taking, exciting, amazing3. The teacher raises questions for the students to discuss and encourages them to express their opinions.*Do you like La Tomatina? Why or why not?4. Each group representative reports the discussion result, the teacher gives feedback and the evaluation.Step 6 PracticeActivity 41. Ss complete the Ex 2 in Using structures.2. Check the answers after finishing the exercises.①The dragon boat races are the most exciting part of the Dragon Boat Festival.② The children were excited to go Easter egg hunting.③What an amazing performance! This is the best music festival I have ever been to.④We were amazed by her funny-looking hat.⑤His inspiring speech at the conference won the admiration/ favour of the audience.⑥This is a challenging game to test your memory and observation capabilities. 3. T asks Ss to finish Ex 3 and 4 in Using structures by themselves, then check the answers with class.Step 6 Homework1. Understand and master the functions and usage of the -ing form;2. Finish the other exercises in Using structures.1、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生是否理解和掌握動(dòng)詞-ing形式作定語(yǔ)和表語(yǔ)的功能和意義;2、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否在理解文段內(nèi)容的基礎(chǔ)上,根據(jù)上下文語(yǔ)境和表達(dá)邏輯,能正確運(yùn)用動(dòng)詞-ing形式描述節(jié)日慶典。3、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生是否歸納和積累用于表達(dá)情緒的相關(guān)詞匯。

  • 新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)一

    新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)一

    本板塊的活動(dòng)主題是“談?wù)摴?jié)日活動(dòng)”(Talk about festival activities),主要是從貼近學(xué)生日常生活的角度來(lái)切入“節(jié)日”主題。學(xué)生會(huì)聽(tīng)到發(fā)生在三個(gè)國(guó)家不同節(jié)日?qǐng)鼍跋碌暮?jiǎn)短對(duì)話(huà),對(duì)話(huà)中的人們正在參與或?qū)⒁H歷不同的慶祝活動(dòng)。隨著全球化的進(jìn)程加速,國(guó)際交流日益頻繁,無(wú)論是國(guó)人走出國(guó)門(mén)還是外國(guó)友人訪問(wèn)中國(guó),都已成為司空見(jiàn)慣的事情。因此,該板塊所選取的三個(gè)典型節(jié)日?qǐng)鼍岸际菍儆诳缥幕浑H語(yǔ)境,不僅每組對(duì)話(huà)中的人物來(lái)自不同的文化背景,對(duì)話(huà)者的身份和關(guān)系也不盡相同。1. Master the new words related to holiday: the lantern, Carnival, costume, dress(sb)up, march, congratulation, congratulate, riddle, ceremony, samba, make - up, after all. 2. To understand the origin of major world festivals and the activities held to celebrate them and the significance of these activities;3. Improve listening comprehension and oral expression of the topic by listening and talking about traditional festivals around the world;4. Improve my understanding of the topic by watching pictures and videos about different traditional festivals around the world;5. Review the common assimilation phenomenon in English phonetics, can distinguish the assimilated phonemes in the natural language flow, and consciously use the assimilation skill in oral expression. Importance:1. Guide students to pay attention to the attitude of the speaker in the process of listening, and identify the relationship between the characters;2. Inspire students to use topic words to describe the festival activities based on their background knowledge. Difficulties:In the process of listening to the correct understanding of the speaker's attitude, accurately identify the relationship between the characters.

  • 新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)三

    新人教版高中英語(yǔ)必修3Unit 1 Festivals and Celebrations教學(xué)設(shè)計(jì)三

    *wide range of origins(= a great number of different origins, many kinds of origins)*It featured a parade and a great feast with music, dancing, and sports. (=A parade and a great feast with music, dancing, and sports were included as important parts of the Egyptian harvest festival.)*.. some traditions may fade away and others may be established.(= Some traditions may disappear gradually, while other new traditions may come into being.)Step 6 Practice(1) Listen and follow the tape.The teacher may remind the students to pay attention to the meaning and usage of the black words in the context, so as to prepare for the completion of the blanks in activity 5 and vocabulary exercises in the exercise book.(2) Students complete the text of activity 5 by themselves.The teacher needs to remind the students to fill in the blanks with the correct form of the vocabulary they have learned in the text.Students exchange their answers with their partners, and then teachers and students check their answers.(3)Finish the Ex in Activity 5 of students’ book.Step 7 Homework1. Read the text again, in-depth understanding of the text;2. Discuss the origin of festivals, the historical changes of related customs, the influence of commercial society on festivals and the connotation and essential meaning of festivals.3. Complete relevant exercises in the guide plan.1、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生是否理解和掌握閱讀文本中的新詞匯的意義與用法;2、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否結(jié)合文本特點(diǎn)快速而準(zhǔn)確地找到主題句;3、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否理清論說(shuō)文的語(yǔ)篇結(jié)構(gòu)和文本邏輯,了解節(jié)日風(fēng)俗發(fā)展與變遷,感悟節(jié)日的內(nèi)涵與意義。

  • 新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)三

    新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)三

    The price is the same as(the price was)before the war.價(jià)格與戰(zhàn)前相同。(4)定語(yǔ)從句中的“關(guān)系代詞+助動(dòng)詞be”可以省略。The ticket(that/which was)booked by his sister has been sent to him.他妹妹訂的那張票已送到了他那里。Step 5 PracticeActivity 3(1) Guide students to complete the four activities in the Using Structures part of exercise book, in which activities 1 and 2 focus on ellipsis in dialogue answers, activity 3 focus on signs and headlines, two typical situations where ellipsis is used, and activity 4 focus on ellipsis in diary, an informal style.(2) Combine the examples in the above activities, ask students to summarize the omitted situations in groups, and make their own summary into a poster, and post it on the class wall after class to share with the class.(This step should give full play to the subjectivity of students, and teachers should encourage students to conclude different ellipsis phenomena according to their own understanding, they can conclude according to the different parts omitted in the sentence.)Step 6 Homework1. Understand and master the usages of ellipsis;2. Finish the other exercises in Using structures of Workbook.1、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生是否理解和掌握省略的用法;2、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否根據(jù)上下文語(yǔ)境或情景恢復(fù)句子中省略的成分,體會(huì)使用省略的效果;3、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否獨(dú)立完成練習(xí)冊(cè)和導(dǎo)學(xué)案中的相關(guān)練習(xí)。

  • 新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)二

    新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)二

    (2)Consolidate key vocabulary.Ask the students to complete the exercises of activity 6 by themselves. Then ask them to check the answers with their partners.(The first language:Damage of the 1906 San Francisco earthquake and fire.A second language: Yunnan - one of the most diverse provinces in China).Step 5 Language points1. The teacher asks the students to read the text carefully, find out the more words and long and difficult sentences in the text and draw lines, understand the use of vocabulary, and analyze the structure of long and difficult sentences.2. The teacher explains and summarizes the usage of core vocabulary and asks the students to take notes.3. The teacher analyzes and explains the long and difficult sentences that the students don't understand, so that the students can understand them better.Step 6 Homework1. Read the text again, in-depth understanding of the text;2. Master the use of core vocabulary and understand the long and difficult sentences.3. Complete relevant exercises in the guide plan.1、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生是否理解和掌握閱讀文本中的新詞匯的意義與用法;2、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否結(jié)合文本特點(diǎn)了解文章的結(jié)構(gòu)和作者的寫(xiě)作邏輯;3、通過(guò)本節(jié)內(nèi)容學(xué)習(xí),學(xué)生能否了解舊金山的城市風(fēng)貌、文化特色,以及加利福尼亞州的歷史,體會(huì)多元文化對(duì)美國(guó)的影響。

  • 新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)四

    新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)四

    該板塊的活動(dòng)主題是“介紹一個(gè)有顯著文化特征的地方”( Describe a place with distinctive cultural identity)。該板塊通過(guò)介紹中國(guó)城繼續(xù)聚焦中國(guó)文化。本單元主題圖呈現(xiàn)的是舊金山中國(guó)城的典型景象, Reading and Thinking部分也提到中國(guó)城,為該板塊作鋪墊。介紹中國(guó)城的目的主要是體現(xiàn)中國(guó)文化與美國(guó)多元文化的關(guān)系,它是美國(guó)多元文化的重要組成部分。中國(guó)城也是海外華人的精神家園和傳播中國(guó)文化的重要窗口,外國(guó)人在中國(guó)城能近距離體驗(yàn)中國(guó)文化。1. Read the text to understand the cultural characteristics of Chinatown in San Francisco and the relationship between Chinese culture and American multiculturalism;2. Through reading, learn to comb the main information of the article, understand the author's writing purpose and writing characteristics;3. Learn to give a comprehensive, accurate, and organized description of the city or town you live in;Learn to revise and evaluate your writing.Importance:1. Guide the students to read the introduction of Chinatown in San Francisco and grasp its writing characteristics;2. Guide students to introduce their city or town in a comprehensive, accurate and organized way;3. Learn to comb the main information of the article, understand the author's writing purpose, and master the core vocabulary.

  • 新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)一

    新人教版高中英語(yǔ)必修3Unit 3 Diverse Cultures教學(xué)設(shè)計(jì)一

    Activity 81.Grasp the main idea of the listening.Listen to the tape and answer the following questions:Who are the two speakers in the listening? What is their relationship?What is the main idea of the first part of the listening? How about the second part?2.Complete the passage.Ask the students to quickly review the summaries of the two listening materials in activity 2. Then play the recording for the second time.Ask them to complete the passage and fill in the blanks.3.Play the recording again and ask the students to use the structure diagram to comb the information structure in the listening.(While listening, take notes. Capture key information quickly and accurately.)Step 8 Talking Activity 91.Focus on the listening text.Listen to the students and listen to the tape. Let them understand the attitudes of Wu Yue and Justin in the conversation.How does Wu Yue feel about Chinese minority cultures?What does Justin think of the Miao and Dong cultures?How do you know that?2.learn functional items that express concerns.Ask students to focus on the expressions listed in activity. 3.And try to analyze the meaning they convey, including praise (Super!).Agree (Exactly!)"(You're kidding.!)Tell me more about it. Tell me more about it.For example, "Yeah Sure." "Definitely!" "Certainly!" "No kidding!" "No wonder!" and so on.4.Ask the students to have conversations in small groups, acting as Jsim and his friends.Justin shares his travels in Guizhou with friends and his thoughts;Justin's friends should give appropriate feedback, express their interest in relevant information, and ask for information when necessary.In order to enrich the dialogue, teachers can expand and supplement the introduction of Miao, dong, Lusheng and Dong Dage.After the group practice, the teacher can choose several groups of students to show, and let the rest of the students listen carefully, after listening to the best performance of the group, and give at least two reasons.

  • 人教A版高中數(shù)學(xué)必修一對(duì)數(shù)的運(yùn)算教學(xué)設(shè)計(jì)(1)

    人教A版高中數(shù)學(xué)必修一對(duì)數(shù)的運(yùn)算教學(xué)設(shè)計(jì)(1)

    本節(jié)課是新版教材人教A版普通高中課程標(biāo)準(zhǔn)實(shí)驗(yàn)教科書(shū)數(shù)學(xué)必修1第四章第4.3.2節(jié)《對(duì)數(shù)的運(yùn)算》。其核心是弄清楚對(duì)數(shù)的定義,掌握對(duì)數(shù)的運(yùn)算性質(zhì),理解它的關(guān)鍵就是通過(guò)實(shí)例使學(xué)生認(rèn)識(shí)對(duì)數(shù)式與指數(shù)式的關(guān)系,分析得出對(duì)數(shù)的概念及對(duì)數(shù)式與指數(shù)式的 互化,通過(guò)實(shí)例推導(dǎo)對(duì)數(shù)的運(yùn)算性質(zhì)。由于它還與后續(xù)很多內(nèi)容,比如對(duì)數(shù)函數(shù)及其性質(zhì),這也是高考必考內(nèi)容之一,所以在本學(xué)科有著很重要的地位。解決重點(diǎn)的關(guān)鍵是抓住對(duì)數(shù)的概念、并讓學(xué)生掌握對(duì)數(shù)式與指數(shù)式的互化;通過(guò)實(shí)例推導(dǎo)對(duì)數(shù)的運(yùn)算性質(zhì),讓學(xué)生準(zhǔn)確地運(yùn)用對(duì)數(shù)運(yùn)算性質(zhì)進(jìn)行運(yùn)算,學(xué)會(huì)運(yùn)用換底公式。培養(yǎng)學(xué)生數(shù)學(xué)運(yùn)算、數(shù)學(xué)抽象、邏輯推理和數(shù)學(xué)建模的核心素養(yǎng)。1、理解對(duì)數(shù)的概念,能進(jìn)行指數(shù)式與對(duì)數(shù)式的互化;2、了解常用對(duì)數(shù)與自然對(duì)數(shù)的意義,理解對(duì)數(shù)恒等式并能運(yùn)用于有關(guān)對(duì)數(shù)計(jì)算。

  • 人教A版高中數(shù)學(xué)必修一任意角教學(xué)設(shè)計(jì)(1)

    人教A版高中數(shù)學(xué)必修一任意角教學(xué)設(shè)計(jì)(1)

    本節(jié)課選自《普通高中課程標(biāo)準(zhǔn)數(shù)學(xué)教科書(shū)-必修一》(人 教A版)第五章《三角函數(shù)》,本節(jié)課是第1課時(shí),本節(jié)主要介紹推廣角的概念,引入正角、負(fù)角、零角的定義,象限角的概念以及終邊相同的角的表示法。樹(shù)立運(yùn)動(dòng)變化的觀點(diǎn),并由此進(jìn)一步理解推廣后的角的概念。教學(xué)方法可以選用討論法,通過(guò)實(shí)際問(wèn)題,如時(shí)針與分針、體操等等都能形成角的流念,給學(xué)生以直觀的印象,形成正角、負(fù)角、零角的概念,明確規(guī)定角的概念,通過(guò)具體問(wèn)題讓學(xué)生從不同角度理解終邊相同的角,從特殊到一般歸納出終邊相同的角的表示方法。A.了解任意角的概念;B.掌握正角、負(fù)角、零角及象限角的定義,理解任意角的概念;C.掌握終邊相同的角的表示方法;D.會(huì)判斷角所在的象限。 1.數(shù)學(xué)抽象:角的概念;2.邏輯推理:象限角的表示;3.數(shù)學(xué)運(yùn)算:判斷角所在象限;4.直觀想象:從特殊到一般的數(shù)學(xué)思想方法;

  • 人教A版高中數(shù)學(xué)必修二簡(jiǎn)單隨機(jī)抽樣教學(xué)設(shè)計(jì)

    人教A版高中數(shù)學(xué)必修二簡(jiǎn)單隨機(jī)抽樣教學(xué)設(shè)計(jì)

    知識(shí)探究(一):普查與抽查像人口普查這樣,對(duì)每一個(gè)調(diào)查調(diào)查對(duì)象都進(jìn)行調(diào)查的方法,稱(chēng)為全面調(diào)查(又稱(chēng)普查)。 在一個(gè)調(diào)查中,我們把調(diào)查對(duì)象的全體稱(chēng)為總體,組成總體的每一個(gè)調(diào)查對(duì)象稱(chēng)為個(gè)體。為了強(qiáng)調(diào)調(diào)查目的,也可以把調(diào)查對(duì)象的某些指標(biāo)的全體作為總體,每一個(gè)調(diào)查對(duì)象的相應(yīng)指標(biāo)作為個(gè)體。問(wèn)題二:除了普查,還有其他的調(diào)查方法嗎?由于人口普查需要花費(fèi)巨大的財(cái)力、物力,因而不宜經(jīng)常進(jìn)行。為了及時(shí)掌握全國(guó)人口變動(dòng)狀況,我國(guó)每年還會(huì)進(jìn)行一次人口變動(dòng)情況的調(diào)查,根據(jù)抽取的居民情況來(lái)推斷總體的人口變動(dòng)情況。像這樣,根據(jù)一定目的,從總體中抽取一部分個(gè)體進(jìn)行調(diào)查,并以此為依據(jù)對(duì)總體的情況作出估計(jì)和判斷的方法,稱(chēng)為抽樣調(diào)查(或稱(chēng)抽查)。我們把從總體中抽取的那部分個(gè)體稱(chēng)為樣本,樣本中包含的個(gè)體數(shù)稱(chēng)為樣本量。

  • 人教版高中數(shù)學(xué)選修3超幾何分布教學(xué)設(shè)計(jì)

    人教版高中數(shù)學(xué)選修3超幾何分布教學(xué)設(shè)計(jì)

    探究新知問(wèn)題1:已知100件產(chǎn)品中有8件次品,現(xiàn)從中采用有放回方式隨機(jī)抽取4件.設(shè)抽取的4件產(chǎn)品中次品數(shù)為X,求隨機(jī)變量X的分布列.(1):采用有放回抽樣,隨機(jī)變量X服從二項(xiàng)分布嗎?采用有放回抽樣,則每次抽到次品的概率為0.08,且各次抽樣的結(jié)果相互獨(dú)立,此時(shí)X服從二項(xiàng)分布,即X~B(4,0.08).(2):如果采用不放回抽樣,抽取的4件產(chǎn)品中次品數(shù)X服從二項(xiàng)分布嗎?若不服從,那么X的分布列是什么?不服從,根據(jù)古典概型求X的分布列.解:從100件產(chǎn)品中任取4件有 C_100^4 種不同的取法,從100件產(chǎn)品中任取4件,次品數(shù)X可能取0,1,2,3,4.恰有k件次品的取法有C_8^k C_92^(4-k)種.一般地,假設(shè)一批產(chǎn)品共有N件,其中有M件次品.從N件產(chǎn)品中隨機(jī)抽取n件(不放回),用X表示抽取的n件產(chǎn)品中的次品數(shù),則X的分布列為P(X=k)=CkM Cn-kN-M CnN ,k=m,m+1,m+2,…,r.其中n,N,M∈N*,M≤N,n≤N,m=max{0,n-N+M},r=min{n,M},則稱(chēng)隨機(jī)變量X服從超幾何分布.

  • 人教版高中數(shù)學(xué)選修3二項(xiàng)式定理教學(xué)設(shè)計(jì)

    人教版高中數(shù)學(xué)選修3二項(xiàng)式定理教學(xué)設(shè)計(jì)

    二項(xiàng)式定理形式上的特點(diǎn)(1)二項(xiàng)展開(kāi)式有n+1項(xiàng),而不是n項(xiàng).(2)二項(xiàng)式系數(shù)都是C_n^k(k=0,1,2,…,n),它與二項(xiàng)展開(kāi)式中某一項(xiàng)的系數(shù)不一定相等.(3)二項(xiàng)展開(kāi)式中的二項(xiàng)式系數(shù)的和等于2n,即C_n^0+C_n^1+C_n^2+…+C_n^n=2n.(4)在排列方式上,按照字母a的降冪排列,從第一項(xiàng)起,次數(shù)由n次逐項(xiàng)減少1次直到0次,同時(shí)字母b按升冪排列,次數(shù)由0次逐項(xiàng)增加1次直到n次.1.判斷(正確的打“√”,錯(cuò)誤的打“×”)(1)(a+b)n展開(kāi)式中共有n項(xiàng). ( )(2)在公式中,交換a,b的順序?qū)Ω黜?xiàng)沒(méi)有影響. ( )(3)Cknan-kbk是(a+b)n展開(kāi)式中的第k項(xiàng). ( )(4)(a-b)n與(a+b)n的二項(xiàng)式展開(kāi)式的二項(xiàng)式系數(shù)相同. ( )[解析] (1)× 因?yàn)?a+b)n展開(kāi)式中共有n+1項(xiàng).(2)× 因?yàn)槎?xiàng)式的第k+1項(xiàng)Cknan-kbk和(b+a)n的展開(kāi)式的第k+1項(xiàng)Cknbn-kak是不同的,其中的a,b是不能隨便交換的.(3)× 因?yàn)镃knan-kbk是(a+b)n展開(kāi)式中的第k+1項(xiàng).(4)√ 因?yàn)?a-b)n與(a+b)n的二項(xiàng)式展開(kāi)式的二項(xiàng)式系數(shù)都是Crn.[答案] (1)× (2)× (3)× (4)√

  • 人教版高中數(shù)學(xué)選修3全概率公式教學(xué)設(shè)計(jì)

    人教版高中數(shù)學(xué)選修3全概率公式教學(xué)設(shè)計(jì)

    2.某小組有20名射手,其中1,2,3,4級(jí)射手分別為2,6,9,3名.又若選1,2,3,4級(jí)射手參加比賽,則在比賽中射中目標(biāo)的概率分別為0.85,0.64,0.45,0.32,今隨機(jī)選一人參加比賽,則該小組比賽中射中目標(biāo)的概率為_(kāi)_______. 【解析】設(shè)B表示“該小組比賽中射中目標(biāo)”,Ai(i=1,2,3,4)表示“選i級(jí)射手參加比賽”,則P(B)= P(Ai)P(B|Ai)= 2/20×0.85+ 6/20 ×0.64+ 9/20×0.45+ 3/20×0.32=0.527 5.答案:0.527 53.兩批相同的產(chǎn)品各有12件和10件,每批產(chǎn)品中各有1件廢品,現(xiàn)在先從第1批產(chǎn)品中任取1件放入第2批中,然后從第2批中任取1件,則取到廢品的概率為_(kāi)_______. 【解析】設(shè)A表示“取到廢品”,B表示“從第1批中取到廢品”,有P(B)= 112,P(A|B)= 2/11 ,P(A| )= 1/11所以P(A)=P(B)P(A|B)+P( )P(A| )4.有一批同一型號(hào)的產(chǎn)品,已知其中由一廠生產(chǎn)的占 30%, 二廠生產(chǎn)的占 50% , 三廠生產(chǎn)的占 20%, 又知這三個(gè)廠的產(chǎn)品次品率分別為2% , 1%, 1%,問(wèn)從這批產(chǎn)品中任取一件是次品的概率是多少?

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