
The theme of this part is to write an article about healthy diet. Through reading and writing activities, students can accumulate knowledge about healthy diet, deepen their understanding of the theme of healthy diet, and reflect on their own eating habits. This text describes the basic principles of healthy diet. The author uses data analysis, definition, comparison, examples and other methods. It also provides a demonstration of the use of conjunctions, which provides important information reference for students to complete the next collaborative task, writing skills, vivid language materials and expressions.1. Teach Ss to learn and skillfully use the new words learned from the text.2. Develop students’ ability to understand, extract and summarize information.3. Guide students to understand the theme of healthy diet and reflect on their own eating habits.4. To guide students to analyze and understand the reading discourse from the aspects of theme content, writing structure, language expression, etc., 5. Enable Ss to write in combination with relevant topics and opinions, and to talk about their eating habits.1. Guide students to analyze and understand the reading discourse from the aspects of theme content, writing structure, language expression, etc.2. Enable them to write in combination with relevant topics and opinions, and to talk about their eating habits.3. Guide the students to use the cohesive words correctly, strengthen the textual cohesion, and make the expression fluent and the thinking clear.Step1: Warming upbrainstorm some healthy eating habits.1.Eat slowly.2.Don’t eat too much fat or sugar.3.Eat healthy food.4.Have a balanced diet.Step2: Read the passage and then sum up the main idea of each paragraph.

1. How is Hunan cuisine somewhat different from Sichuan cuisine?The heat in Sichuan cuisine comes from chilies and Sichuan peppercorns. Human cuisine is often hotter and the heat comes from just chilies.2.What are the reasons why Hunan people like spicy food?Because they are a bold people. But many Chinese people think that hot food helps them overcome the effects of rainy or wet weather.3.Why do so many people love steamed fish head covered with chilies?People love it because the meat is quite tender and there are very few small bones.4.Why does Tingting recommend bridge tofu instead of dry pot duck with golden buns?Because bridge tofu has a lighter taste.5 .Why is red braised pork the most famous dish?Because Chairman Mao was from Hunan, and this was his favorite food.Step 5: Instruct students to make a short presentation to the class about your choice. Use the example and useful phrases below to help them.? In groups of three, discuss what types of restaurant you would like to take a foreign visitor to, and why. Then take turns role-playing taking your foreign guest to the restaurant you have chosen. One of you should act as the foreign guest, one as the Chinese host, and one as the waiter or waitress. You may start like this:? EXAMPLE? A: I really love spicy food, so what dish would you recommend?? B: I suggest Mapo tofu.? A: Really ? what's that?

This section guides students to pay attention to the typical context of vocabulary use, helps students accumulate vocabulary around the key vocabulary of this unit, and uses the learned words and word chunks in different contexts to deeply understand their meaning and usage, so as to achieve the purpose of review and consolidation.The teaching design activities aim to guide students to pay attention to the typical context in which the target vocabulary is used, as well as the common vocabulary used in collocation, so that students can complete the sentence with correct words. In terms of vocabulary learning strategies, this unit focuses on cultivating students' ability to pay attention to collocation of words and to use word blocks to express meaning.For vocabulary learning, it is not enough just to know the meaning of a single word, but the most important thing is to master the common collocations of words, namely word blocks.Teachers should timely guide students to summarize common vocabulary collocation, such as verb and noun collocation, verb and preposition collocation, preposition and noun collocation, and so on.1. Guide students to understand and consolidate the meaning and usage of the vocabulary in the context, 2. Guide the students to use the unit topic vocabulary in a richer context3. Let the students sort out and accumulate the accumulated vocabulary, establishes the semantic connection between the vocabulary,4. Enable students to understand and master the vocabulary more effectivelyGuiding the Ss to use unit topic words and the sentence patterns in a richer context.

假定你是英國的Jack,打算來中國旅行,請你給你的中國筆友李華寫一封信,要點如下:1.你的旅行計劃:北京→泰山→杭州;2.征求建議并詢問他是否愿意充當你的導游。注意:1.詞數80左右(開頭和結尾已給出,不計入總詞數);2.可以適當增加細節(jié),以使行文連貫。參考詞匯:故宮 the Forbidden City;泰山 Mount TaiDear Li Hua,I'm glad to tell you that 'm going to visit China.First,I am planning to visit Beijing,the capitalof China,where I am looking forward to enjoying the Great Wall,the Forbidden City and somebeautiful parks.Then I intend to go to visit Mount Tai in Shandong Province.I've heard that it is one ofthe most famous mountains in China and I can't wait to enjoy the amazing sunrise there.After that,I amalso going to Hangzhou.It is said that it is a beautiful modern city with breathtaking natural sights,among which the West Lake is a well- known tourist attraction.What do you think of my travel plan? Will you act as my guide? Hope to hear from you soon.

The theme of the listening section is " talking about scenery and culture along a journey."The part is designed to further lead the students to understand Canadian natural geography and social environment, and integrated into the cultural contrast by mentioning the long train journey from Beijing to Moscow routes. On this basis, the part activates students related travel experience, lets the student serial dialogue, guides the student to explore further the pleasure and meaning of the long journey, and Chinese and foreign cultural comparison.The part also provides a framework for the continuation of the dialogue, which is designed to provide a framework for students to successfully complete their oral expressions, and to incorporate an important trading strategy to end the dialogue naturally.1. Help students to understand and master some common English idioms in the context, and experience the expression effect of English idioms.2. Guide the students to understand the identity of different people in the listening context, and finish the dialogue according to their own experience.3. Instruct the students to use appropriate language to express surprise and curiosity about space and place in the dialogue, and master the oral strategy of ending the dialogue naturally.1. Instruct students to grasp the key information and important details of the dialogue.2. Instruct students to conduct a similar talk on the relevant topic.

The purpose of this section of vocabulary exercises is to consolidate the key words in the first part of the reading text, let the students write the words according to the English definition, and focus on the detection of the meaning and spelling of the new words. The teaching design includes use English definition to explain words, which is conducive to improving students' interest in vocabulary learning, cultivating their sense of English language and thinking in English, and making students willing to use this method to better grasp the meaning of words, expand their vocabulary, and improve their ability of vocabulary application. Besides, the design offers more context including sentences and short passage for students to practice words flexibly.1. Guide students to understand and consolidate the meaning and usage of the vocabulary in the context, 2. Guide the students to use the unit topic vocabulary in a richer context3. Let the students sort out and accumulate the accumulated vocabulary, establishes the semantic connection between the vocabulary,4. Enable students to understand and master the vocabulary more effectivelyGuiding the Ss to use unit topic words and the sentence patterns in a richer context.Step1: Read the passage about chemical burns and fill in the blanks with the correct forms of the words in the box.

The theme of this activity is to learn the first aid knowledge of burns. Burns is common in life, but there are some misunderstandings in manual treatment. This activity provides students with correct first aid methods, so as not to take them for granted in an emergency. This section guides students to analyze the causes of scald and help students avoid such things. From the perspective of text structure and collaborative features, the text is expository. Expository, with explanation as the main way of expression, transmits knowledge and information to readers by analyzing concepts and elaborating examples. This text arranges the information in logical order, clearly presents three parts of the content through the subtitle, accurately describes the causes, types, characteristics and first aid measures of burns, and some paragraphs use topic sentences to summarize the main idea, and the level is very clear.1. Guide students to understand the causes, types, characteristics and first aid methods of burns, through reading2. Enhance students’ ability to deal withburnss and their awareness of burns prevention3. Enable students to improve the ability to judge the types of texts accurately and to master the characteristics and writing techniques of expository texts.Guide students to understand the causes, types, characteristics and first aid methods of burns, through readingStep1: Lead in by discussing the related topic:1. What first-aid techniques do you know of ?CPR; mouth to mouth artificial respiration; the Heimlich Manoeuvre

The theme of this section is to learn how to make emergency calls. Students should learn how to make emergency calls not only in China, but also in foreign countries in English, so that they can be prepared for future situations outside the home.The emergency telephone number is a vital hotline, which should be the most clear, rapid and effective communication with the acute operator.This section helps students to understand the emergency calls in some countries and the precautions for making emergency calls. Through the study of this section, students can accumulate common expressions and sentence patterns in this context. 1.Help students accumulate emergency telephone numbers in different countries and learn more about first aid2.Guide the students to understand the contents and instructions of the telephone, grasp the characteristics of the emergency telephone and the requirements of the emergency telephone.3.Guide students to understand the first aid instructions of the operators.4.Enable Ss to make simulated emergency calls with their partners in the language they have learned1. Instruct students to grasp the key information and important details of the dialogue.2. Instruct students to conduct a similar talk on the relevant topic.Step1:Look and discuss:Match the pictures below to the medical emergencies, and then discuss the questions in groups.

冪函數是在繼一次函數、反比例函數、二次函數之后,又學習了單調性、最值、奇偶性的基礎上,借助實例,總結出冪函數的概念,再借助圖像研究冪函數的性質.課程目標1、理解冪函數的概念,會畫冪函數y=x,y=x2,y=x3,y=x-1,y=x 的圖象;2、結合這幾個冪函數的圖象,理解冪函數圖象的變化情況和性質;3、通過觀察、總結冪函數的性質,培養(yǎng)學生概括抽象和識圖能力.數學學科素養(yǎng)1.數學抽象:用數學語言表示函數冪函數;2.邏輯推理:常見冪函數的性質;3.數學運算:利用冪函數的概念求參數;4.數據分析:比較冪函數大??;5.數學建模:在具體問題情境中,運用數形結合思想,利用冪函數性質、圖像特點解決實際問題。重點:常見冪函數的概念、圖象和性質;難點:冪函數的單調性及比較兩個冪值的大?。?/p>

學生已經學習了指數運算性質,有了這些知識作儲備,教科書通過利用指數運算性質,推導對數的運算性質,再學習利用對數的運算性質化簡求值。課程目標1、通過具體實例引入,推導對數的運算性質;2、熟練掌握對數的運算性質,學會化簡,計算.數學學科素養(yǎng)1.數學抽象:對數的運算性質;2.邏輯推理:換底公式的推導;3.數學運算:對數運算性質的應用;4.數學建模:在熟悉的實際情景中,模仿學過的數學建模過程解決問題.重點:對數的運算性質,換底公式,對數恒等式及其應用;難點:正確使用對數的運算性質和換底公式.教學方法:以學生為主體,采用誘思探究式教學,精講多練。教學工具:多媒體。一、 情景導入回顧指數性質:(1)aras=ar+s(a>0,r,s∈Q).(2)(ar)s= (a>0,r,s∈Q).(3)(ab)r= (a>0,b>0,r∈Q).那么對數有哪些性質?如 要求:讓學生自由發(fā)言,教師不做判斷。而是引導學生進一步觀察.研探.

對數與指數是相通的,本節(jié)在已經學習指數的基礎上通過實例總結歸納對數的概念,通過對數的性質和恒等式解決一些與對數有關的問題.課程目標1、理解對數的概念以及對數的基本性質;2、掌握對數式與指數式的相互轉化;數學學科素養(yǎng)1.數學抽象:對數的概念;2.邏輯推理:推導對數性質;3.數學運算:用對數的基本性質與對數恒等式求值;4.數學建模:通過與指數式的比較,引出對數定義與性質.重點:對數式與指數式的互化以及對數性質;難點:推導對數性質.教學方法:以學生為主體,采用誘思探究式教學,精講多練。教學工具:多媒體。一、 情景導入已知中國的人口數y和年頭x滿足關系 中,若知年頭數則能算出相應的人口總數。反之,如果問“哪一年的人口數可達到18億,20億,30億......”,該如何解決?要求:讓學生自由發(fā)言,教師不做判斷。而是引導學生進一步觀察.研探.

函數在高中數學中占有很重要的比重,因而作為函數的第一節(jié)內容,主要從三個實例出發(fā),引出函數的概念.從而就函數概念的分析判斷函數,求定義域和函數值,再結合三要素判斷函數相等.課程目標1.理解函數的定義、函數的定義域、值域及對應法則。2.掌握判定函數和函數相等的方法。3.學會求函數的定義域與函數值。數學學科素養(yǎng)1.數學抽象:通過教材中四個實例總結函數定義;2.邏輯推理:相等函數的判斷;3.數學運算:求函數定義域和求函數值;4.數據分析:運用分離常數法和換元法求值域;5.數學建模:通過從實際問題中抽象概括出函數概念的活動,培養(yǎng)學生從“特殊到一般”的分析問題的能力,提高學生的抽象概括能力。重點:函數的概念,函數的三要素。難點:函數概念及符號y=f(x)的理解。

《基本不等式》在人教A版高中數學第一冊第二章第2節(jié),本節(jié)課的內容是基本不等式的形式以及推導和證明過程。本章一直在研究不等式的相關問題,對于本節(jié)課的知識點有了很好的鋪墊作用。同時本節(jié)課的內容也是之后基本不等式應用的必要基礎。課程目標1.掌握基本不等式的形式以及推導過程,會用基本不等式解決簡單問題。2.經歷基本不等式的推導與證明過程,提升邏輯推理能力。3.在猜想論證的過程中,體會數學的嚴謹性。數學學科素養(yǎng)1.數學抽象:基本不等式的形式以及推導過程;2.邏輯推理:基本不等式的證明;3.數學運算:利用基本不等式求最值;4.數據分析:利用基本不等式解決實際問題;5.數學建模:利用函數的思想和基本不等式解決實際問題,提升學生的邏輯推理能力。重點:基本不等式的形成以及推導過程和利用基本不等式求最值;難點:基本不等式的推導以及證明過程.

例7 用描述法表示拋物線y=x2+1上的點構成的集合.【答案】見解析 【解析】 拋物線y=x2+1上的點構成的集合可表示為:{(x,y)|y=x2+1}.變式1.[變條件,變設問]本題中點的集合若改為“{x|y=x2+1}”,則集合中的元素是什么?【答案】見解析 【解析】集合{x|y=x2+1}的代表元素是x,且x∈R,所以{x|y=x2+1}中的元素是全體實數.變式2.[變條件,變設問]本題中點的集合若改為“{y|y=x2+1}”,則集合中的元素是什么?【答案】見解析 【解析】集合{ y| y=x2+1}的代表元素是y,滿足條件y=x2+1的y的取值范圍是y≥1,所以{ y| y=x2+1}={ y| y≥1},所以集合中的元素是大于等于1的全體實數.解題技巧(認識集合含義的2個步驟)一看代表元素,是數集還是點集,二看元素滿足什么條件即有什么公共特性。

學生在初中學習了 ~ ,但是現(xiàn)實生活中隨處可見超出 ~ 范圍的角.例如體操中有“前空翻轉體 ”,且主動輪和被動輪的旋轉方向不一致.因此為了準確描述這些現(xiàn)象,本節(jié)課主要就旋轉度數和旋轉方向對角的概念進行推廣.課程目標1.了解任意角的概念.2.理解象限角的概念及終邊相同的角的含義.3.掌握判斷象限角及表示終邊相同的角的方法.數學學科素養(yǎng)1.數學抽象:理解任意角的概念,能區(qū)分各類角;2.邏輯推理:求區(qū)域角;3.數學運算:會判斷象限角及終邊相同的角.重點:理解象限角的概念及終邊相同的角的含義;難點:掌握判斷象限角及表示終邊相同的角的方法.教學方法:以學生為主體,采用誘思探究式教學,精講多練。教學工具:多媒體。一、 情景導入初中對角的定義是:射線OA繞端點O按逆時針方向旋轉一周回到起始位置,在這個過程中可以得到 ~ 范圍內的角.但是現(xiàn)實生活中隨處可見超出 ~ 范圍的角.例如體操中有“前空翻轉體 ”,且主動輪和被動輪的旋轉方向不一致.

本節(jié)主要內容是三角函數的誘導公式中的公式二至公式六,其推導過程中涉及到對稱變換,充分體現(xiàn)對稱變換思想在數學中的應用,在練習中加以應用,讓學生進一步體會 的任意性;綜合六組誘導公式總結出記憶誘導公式的口訣:“奇變偶不變,符號看象限”,了解從特殊到一般的數學思想的探究過程,培養(yǎng)學生用聯(lián)系、變化的辯證唯物主義觀點去分析問題的能力。誘導公式在三角函數化簡、求值中具有非常重要的工具作用,要求學生能熟練的掌握和應用。課程目標1.借助單位圓,推導出正弦、余弦第二、三、四、五、六組的誘導公式,能正確運用誘導公式將任意角的三角函數化為銳角的三角函數,并解決有關三角函數求值、化簡和恒等式證明問題2.通過公式的應用,了解未知到已知、復雜到簡單的轉化過程,培養(yǎng)學生的化歸思想,以及信息加工能力、運算推理能力、分析問題和解決問題的能力。

演講稿頻道《國旗下的講話演講稿:學會設計人生的價值觀》,希望大家喜歡。各位尊敬的老師,親愛的同學們:大家上午好!同學們,人生的目標不妨定的高遠些,如果經過全力打拼,沒有實現(xiàn),那么至少也要比目標定的太低的人實現(xiàn)得多。林肯曾經說過:“噴泉的高度不會超過他的源頭,一個人的事業(yè)也是這樣,他的成就絕不會超過他的信念”。當拿破侖還是個少尉的時候,工作之余,他的同伴們便開始尋歡作樂,去游玩或找女人。他卻在埋頭讀書,如饑似渴地讀那些對他將來有用的東西:歷史、戰(zhàn)爭、哲學、文化、法律、天文、地理、氣象學等等。他曾說過:“不想當元帥的士兵不是個好士兵”。

教學目標1、明確扇形統(tǒng)計圖的制作步驟,能夠根據相關數據較為準確地制作扇形統(tǒng)計圖.2、進一步理解扇形統(tǒng)計圖的特點,建立百分比大小和扇形圓心角大小之間初步的直觀敏感度.3、能夠實現(xiàn)不同統(tǒng)計圖數據間的合理轉換,再次體會幾種統(tǒng)計圖的不同特點,為合理選擇統(tǒng)計圖表示數據打下一定的基礎.4、通過實例,理解三種統(tǒng)計圖的特點,能根據具體問題選擇合適的統(tǒng)計圖清晰、有效地描述數據.5、在統(tǒng)計活動的過程中,通過相互間的合作與交流,掌握畫統(tǒng)計圖和選擇統(tǒng)計圖的方法;經歷數據的收集、整理和簡單分析、作出決策的統(tǒng)計活動過程,發(fā)展統(tǒng)計觀念.6、通過對現(xiàn)實生活中的數據分析,感受數學與現(xiàn)實生活的密切聯(lián)系,說出統(tǒng)計圖在現(xiàn)實生活中的應用,提高學習數學興趣.

四個同學為一個合作小組;每個小組利用教師為其準備的各類三角形,作出它們的高.比一比,看哪一個小組做得最快,發(fā)現(xiàn)的結論多. 師生行為:學生操作、討論,教師巡視、指導,使學生理解【設計意圖】通過讓學生操作、觀察、推理、交流等活動,來培養(yǎng)學生的動手、動腦能力,發(fā)展其空間觀察.活動結論:1.銳角三角形的三條高都在三角形內; 2.直角三角形的一條高在三角形內(即斜邊上的高),而另兩條高恰是它的兩條直角邊; 3.鈍角三角形的一條高在三角形內,而另兩條高在三角形外.(這是難點,需多加說明) 總之:任何三角形都有三條高,且三條高所在的直線相交于一點.(我們把這一點叫垂心)課堂小結 1.三角形中三條重要線段:三角形的高、中線和角平分線的概念. 2.學會畫三角形的高、中線和角平分線.

(一)、創(chuàng)設情景,導入新課摸牌游戲:三位同學持三組牌,指定三位同學分別任意摸出一張,看誰能摸到紅牌,他們一定能摸到紅牌嗎?請手持牌的同學根據自已手中牌的情況,用語言描述一下抽出紅牌的情況??偨Y:在一定條件下,有些事情我們事先能肯定它一定發(fā)生,這些事情成為 事件。有些事情我們事先能肯定它一定不會發(fā)生,這些事情稱為 事件。 事件和 事件統(tǒng)稱為確定事件。許多事情我們事先無法肯定它會不會發(fā)生,這些事情稱為 事件,也稱為 事件。
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