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新人教版高中英語必修1Unit 2 Travelling Around–Listening and Speaking教案
無論她說什么都不會對我們的安排有影響。Answers: for, arrangement3) Parents arrange everything for their children and spare no effort to pave the way for their success.父母為孩子安排好一切，不遺余力地為他們的成功鋪路。4. extremely adv 極其，非常extreme adj 非常的1) Mary found it extremely difficult to get a job.2) I’m extremely sorry to have troubled you.Answers:瑪麗發(fā)現(xiàn)找工作極其困難。給你添了麻煩，我十分抱歉。3) It had white-painted tunnels and bright red carriages, and proved _________ (extreme) popular with the public.它有白色的隧道和明亮的紅色車廂，結(jié)果證明它非常受大眾的歡迎。Answers: extremelyExercises1. I am continuing to apply_______ jobs though I have failed several times.2. All this had an _______ (extremely) bad effect on the criminal justice system.3. The invention would have wide ______ (apply) in industry.4. She’s happy with her unusual living _________ (arrange).5. I was banging so loudly that I’m ___________ (amaze) that they didn’t hear me.6. You haven’t changed at all you still look ___________ (exact) the same.7. “Was it what you expected?” “Yes, _________ (definite).”8. He was looking forward to______ (work) with the newPrime Minister. Answers: for extreme application arrangement amazed exactly definitely looking單句寫作：1. _______________ (你要說些什么) when you get on the platform to accept the reward?2. Since_____________________(我們?yōu)檫@些事情做好了準備), we have nothing to worry about.
新人教版高中英語必修1Unit 2 Travelling Around-Reading and Thinking教案
Good expressions that students can choose to use: help the travelers choose which tour to take1. In my opinion, you could/might choose…, because you prefer to…2. …could be a perfect choice for you, for…3. As far as I am concerned, you would enjoy…, for…4. …would probably suit you, because you enjoy/love/hate doing…Step 5 Passage ConsolidationLanguage appreciation:1. You can then spend three days exploring the rainforest with a local guide and enjoying the plants and animals unique to the rainforest. 在接下來的三天里，您可以在當(dāng)?shù)貙?dǎo)游的陪同下，深入雨林進行探索，欣賞雨林特有的動植物。本句主體結(jié)構(gòu)為spend some time doing sth. 2. Inca builders cut stones to exact sizes so that nothing was needed to hold walls together other than the perfect fit of the stones. 印加的建筑工人將石頭切割成精確的尺寸，僅僅憑著石頭間的完美契合，即可穩(wěn)固墻體。本句為so that引導(dǎo)的結(jié)果狀語從句。nothing與the perfect fit為并列成分; other than在句中意為“除了”。Step 6 HomeworkSuppose you will travel to Peru, write a short essay about your three-day tour plan.
新人教版高中英語必修1Unit 2 Travelling Around-Reading for Writing教案
Is there a clear purpose for the trip? :Does each paragraph have a clear main idea? Does the writer use the present continuous tense for future plans?Does the writer use commas, stops, and question marks correctly? Are all the words spelt correctly?Are all the proper nouns capitalized?Revise your draft according to your partner's comments.Step 5:The summary of how to write a travel plan.旅游計劃是一種常見的應(yīng)用文寫作。旅游可分為觀光游、文化游、美食游及探險游等不同類型，因此旅游計劃也要根據(jù)不同的旅游目的進行設(shè)計。常規(guī)的旅游計劃需要明確以下幾個方面的問題:Travel planWhen will you leave for？ Where is your the destination?How will you get there?What will you do there?How long will you there?Is there a clear purpose for the trip? 為了提升旅行計劃的層級，還需注意以下幾個方面的問題:1.每段是否有明確清晰的主題;2.用一般現(xiàn)在時代替一般將來時；3.用更高級的形容詞詞匯。例如:表達“好”時，不要總用“nice”,我們還可以用“smart, clean, excellent, exciting, beautiful, wonderful, clever, famous, grand”等表達更具有指向性的詞匯；4.用更高級的動詞詞匯。比如:我們可以用“seem stand, lie .get stay, remain, look . sound, become . keep, grow”等代替"be";
新人教版高中英語必修2Unit 1 Cultural Heritage-Discovering Useful Structure教案一
This teaching period mainly deals with grammar “restrictive relative clauses.” To begin with, teachers should lead students to revise what they have learned about the relative pronouns and relative adverbs. And then, teachers move on to stress more special cases concerning this grammar, such as the “preposition+ relative pronouns which and whom” and cases where we can omit the relative pronouns. This period carries considerable significance to the cultivation of students’ writing competence and lays a solid foundation for the basic appreciation of language beauty. The teacher is expected to enable students to master this period thoroughly and consolidate the knowledge by doing some exercises. 1. Guide students to review the basic usages of relative pronouns and adverbs of attributive clauses.2. Lead students to learn to use some special cases concerning restrictive relative clauses flexibly.2. Enable students to use the basic phrases structures flexibly.3. Strengthen students’ great interest in grammar learning.1. Help students to appreciate the function of relative pronouns and adverbs of attributive clauses in a sentence2. Instruct students to write essays using the proper relative pronouns and adverbs of attributive clauses.本節(jié)語法思考：定語從句在復(fù)合句中的作用是什么？ 關(guān)系詞有哪些？定語從句在復(fù)合句中的作用相當(dāng)于形容詞，它在句中作定語修飾名詞或代詞。他們在先行詞和定語從句之間起到聯(lián)系作用，同時在意義上代表先行詞并在定語從句中擔(dān)任一個成分。被定語從句所修飾的詞稱先行詞，定語從句一般放在先行詞的后面。
新人教版高中英語必修2Unit 1 Cultural Heritage-Listening＆Speaking＆Talking教案
Listening and Speaking introduces the topic of “Take part in a youth project”. The listening text is an interview about an international youth cultural heritage protection project. More than 20 high school students from seven countries participated in the project. The reporter interviewed two participants Stephanie and Liu Bin. By listening to the text, students can understand the significance of cultural heritage protection, and teenagers can use their knowledge, combine their own interests and advantages, etc. to participate in the action of cultural heritage protection. Listening and Talking introduces the theme of "Talk about history and culture". The listening text is a dialogue between two tourists and tour guides when they visit the Kremlin, red square and surrounding buildings. The dialogue focuses on the functional items of "starting a conversation", which is used to politely and appropriately attract the attention of the others, so as to smoothly start a conversation or start a new topic. The purpose of this section is to guide students to understand the history and current situation of Chinese and foreign cultural heritage in their own tourism experiences or from other people's tourism experiences, explore the historical and cultural values, and be able to express accurately and appropriately in oral communication.1. Guide students to understand the content of listening texts in terms of the whole and key details; 2. Cultivate students' ability to guess the meaning of words in listening; discuss with their peers how to participate in cultural heritage protection activities.3. Instruct students to use functional sentences of the dialogue such as “I beg your pardon, but…” “Forgive me for asking, but…" and so on to start the conversation more politely and appropriately.
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading and Thinking教案二
1. This section focuses on "Understanding how a problem was solved”, which is aimed to guide students to analyze and discuss the challenges and problems faced by cultural heritage protection during the construction of Aswan Dam, as well as the solutions. On the basis of understanding, students should pay attention to the key role of international cooperation in solving problems, and attach importance to the balance and coordination between cultural heritage protection and social and economic development. Students are encouraged to face challenges actively, be good at cooperation, and make continuous efforts to find reasonable ways and means to solve problems.2. Enable students to understand the main information and text structure of the reading text;3. Motivate students to use the reading strategy "make a timeline" according to the appropriate text genre;4. Enable students to understand how a problem was solved;5. Enable students to understand the value of protecting cultural heritage by teamwork and global community;1. Guide students to pay attention to reading strategies, such as prediction, self-questioning and scanning.2. Help students sort out the topic language about protecting cultural relics and understand the narrative characteristics of "time-event" in illustrative style3. Lead students to understand the value of protecting cultural heritage by teamwork and global community;
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading and Thinking教案一
The theme of the reading and thinking is about “Understanding how a problem was solved”.The Listening & Speaking & Talking is about international co-work to protect the Mount Tai, in which the students from seven countries came up with many solutions even create the Mount Tai App. This section aims at showing how to solve a difficult and even tough problem about protecting the cultural heritage by the international co-work. So in this section, cultivating students’ international awareness is very clear and important. Concretely, with the economic development, how to balance the protection of cultural relics and social development is a big challenge for human. In the 1950s, the Egyptian government wanted to build the Aswan Dam across the Nile to control floods, produce electricity and water farms. But the proposal led to protests because it would destroy a lot of cultural relics. The Egyptian had no choice but ask the UN for help. Therefore, a international cooperation about how to protect the cultural relics began, which involved the time length about 20 years and a large amount of fund. Then, the problems was solved. 1. Read quickly to get the main idea and the structure of the article; read careful to get detailed information.2. Learn to use the reading strategy---making a timeline3. Learn how to solve a tough problem by asking for help and cooperation4. Have the international awareness and understand the great strength of international cooperation.1. Read quickly to get the main idea and the structure of the article; read careful to get detailed information.2. Learn to use the reading strategy---making a timeline.3. Learn how to solve a tough problem by asking for help and cooperation.
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading For Writing教案
This report is short, concise and has typical news content and language features. The title uses the verb phrases, embodying the characteristics of being concise and general. The introduction is the first two sentences in the first paragraph, describing the general situation of the cultural heritage protection project, including time, place, characters, events and other news elements, so that readers can see the main points of the news report at a glance. The main body is the second and third paragraphs, which report the important historical and cultural value of Mogao Grottoes and the production of Mogao Grottoes Material digital photos, which are of great significance to the inheritance of historical culture and the promotion of international cultural understanding, exchange and cooperation. Direct citation is used in the report, as well as background introduction and other news writing techniques.1. Get students to have a good understanding of some features about a news report by reading the text.2. Instruct students to write a summary about a news report properly using some newly acquired writing skills in this period.3. Develop students’ writing and cooperating abilities.4. Strengthen students’ great interest in writing discourses.1. Stimulate students to have a good understanding of how to a summary about a news report 2. Cultivate students to write a news report properly and concisely.Step 1: Lead in Do you think it is necessary for us to circulate our cultural heritage to the world? Why or why not?Do we need to learn more about other countries’ cultural heritage? Why or why not?Step 2: Read to discover details concerning the main body of the news report.
人教版高中語文必修3《寡人之于國也》教案2篇
一、引入：教師列舉以下言論，讓學(xué)生辨出哪些是孟子的，哪些不是。學(xué)生不知道的，由教師說出。學(xué)生不理解的，教師作簡要解說。1.天將降大任于是人也，必先苦其心志，勞其筋骨，餓其體膚，空乏其身，行拂亂其所為。所以動心忍性，曾益其所不能。（孟子）2.域民不以封疆之界，固國不以山溪之險，威天下不以兵革之利。得道者多助，失道者寡助。（孟子）3.魚，亦我所欲也，熊掌，亦我所欲也，二者不可得兼，舍魚而取熊掌者也。生，亦我所欲也，義，亦我所欲也，二者不可得兼，舍生而取義者也。（孟子）4.富貴不能淫，貧賤不能移，威武不能屈。（孟子）5.非禮勿視，非禮勿聽，非禮勿言，非禮勿動。（孔子）6.無惻隱之心非人也，無羞惡之心非人也，無辭讓之心非人也，無是非之心非人也。（孟子）7.庖有肥肉，廄有肥馬，民有饑色，野有餓殍。（孟子）8.人性之善也，猶水之就下也；人無有不善，水無有不下。（孟子）9.民為貴，社稷次之，君為輕。（孟子）10.君子坦蕩蕩，小人常戚戚。（孔子）
人教版高中政治必修3博大精深的中華文化說課稿
環(huán)節(jié)三：多媒體繼續(xù)展示石窟藝術(shù)、民族文學(xué)等，學(xué)生在感受少數(shù)民族文化成就的過程中不難得出結(jié)論：各民族文化都為中華文化作出了重要貢獻，都是中華民族的驕傲。由此進入第三目“中華之瑰寶，民族之驕傲”。各族人民對中華文化的認同感和歸屬感，顯示了中華民族厚重的文化底蘊和強大的民族凝聚力。環(huán)節(jié)四：合作探究中華文化博大精深的原因。學(xué)生調(diào)動已有歷史知識儲備和課前搜集的材料分組交流：歷史上在思想文化方面，對諸家學(xué)說所采取的兼收并蓄的學(xué)術(shù)主張；中國文化長期吸收周邊少數(shù)民族的哪些優(yōu)秀文明；在對待外域文化上，中華民族是否敞開博大胸懷揚棄吸收。2、從現(xiàn)代找出能充分體現(xiàn)中華民族的文化開放心態(tài)和中華文化非凡融合力的例子。這樣可增添幾分時代氣息，更好地服務(wù)于當(dāng)下實踐。
人教版高中政治必修3永恒的中華民族精神說課稿
(4)自強不息 (引導(dǎo)學(xué)生簡要了解介紹 “大禹治水”“ 愚公移山”“ 夸父追日”“ 富貴不能淫”等典故名言，注重從優(yōu)秀傳統(tǒng)文化和中華民族精神之間的關(guān)系角度總結(jié)。)三、永遠高揚的愛國主義旗幟這一目講述中華民族精神的核心，新時期愛國主義的主題?！咎骄咳浚?、團結(jié)統(tǒng)一、愛好和平、勤勞勇敢、自強不息共同體現(xiàn)著一個什么主題？2、你知道哪些我國抒發(fā)愛國情懷的詩詞格言警句？哪些歷史故事或者你身邊的事例體現(xiàn)出了愛國主義的精神追求？你認為新時期我國愛國主義主要體現(xiàn)在哪些方面？學(xué)生四人一個小組討論，選派代表發(fā)言【師生總結(jié)】：1、愛國主義是中華民族精神的核心，是中華民族的精神支柱。2、新時期愛國主義的主題：愛國主義是具體的，不同時期有不同的內(nèi)涵，新時期愛國與愛社會主義本質(zhì)上是一致的，發(fā)展中國特色社會主義，擁護祖國統(tǒng)一是新時期愛國主義的主題。
人教版高中政治必修4人的認識從何而來說課稿（一）
展示學(xué)習(xí)過的物理學(xué)內(nèi)容：伽利略的“比薩斜塔”實驗，證明了：兩個鐵球同時落地。得出結(jié)論：實踐是檢驗認識正確與否的唯一標準。（因為這點理解起來有點難，所一教師要適當(dāng)?shù)闹v解）A、一種認識是否是真理不能由這一認識本身回答B(yǎng)、客觀事物自身也不能回答認識是否正確地反映了它C、實踐是聯(lián)系主觀與客觀的橋梁。人們把認識和實踐的結(jié)果對照,相符合,認識就正確?！?實踐是認識的目的和歸宿：走進社會：（課本P46歸國博士案例）從這個故事中我們可以得到什么啟示？得出結(jié)論：實踐是認識的歸宿和目的。啟發(fā)學(xué)生學(xué)以致用，eg：紀中的學(xué)生研究地溝油簡易檢測方法（靈活利用身邊的教學(xué)資源）?！景鍟O(shè)計】實踐是認識的基礎(chǔ)（板書）投影：逐步展示本課知識結(jié)構(gòu)圖。學(xué)生通過回憶，讓學(xué)生有直觀的認識，學(xué)習(xí)內(nèi)容一目了然。1．實踐是認識的來源。2．實踐是認識發(fā)展的動力。3．實踐是檢驗認識的真理性的唯一標準。
人教版高中政治必修4人的認識從何而來說課稿（二）
今天我說課的題目是《生活與哲學(xué)4（必修）》的第二單元第六課第一框題——《人的認識從何而來》下面我將從教材，教法，學(xué)法，教學(xué)過程，教學(xué)反思五個方面來說一說我對本課的認識和教學(xué)設(shè)想。一、說教材我將從該框題在教材中的地位和作用，教學(xué)目標，教學(xué)重難點三方面來闡述我對教材的認識。（一）首先是教材的地位和作用；本框題重點論述馬克思主義哲學(xué)認識論中實踐與認識的關(guān)系。實踐的觀點是馬克思主義首要和基本的觀點，理解實踐與認識的關(guān)系是把握哲學(xué)智慧不可或缺的途徑。學(xué)好本框題不僅有利于學(xué)生從宏觀上把握教材各課的聯(lián)系，而且有利于幫助學(xué)生理解馬克思主義哲學(xué)的本質(zhì)特征。（二）教學(xué)目標是確定教學(xué)重點，進行教學(xué)設(shè)計的基礎(chǔ)。依據(jù)新課程標準，我確定本課的教學(xué)目標有以下三方面：知識與技能：1、識記實踐的含義、實踐的構(gòu)成要素、實踐的特點。
高中思想政治人教版必修三《文化創(chuàng)新的途徑》說課稿
二、說學(xué)情本課的教學(xué)對象為高二學(xué)生，他們思維活躍已具備一定歸納能力和分析、綜合能力，能夠自主地分析現(xiàn)實生活中的一些文化行為，但看問題往往比較偏激、片面，缺乏良好的邏輯思維能力。所以，在文化創(chuàng)新的途徑上要對他們進行指導(dǎo)，以免走入誤區(qū)。三、教學(xué)目標根據(jù)新課程標準、教材特點、學(xué)生的實際，我確定了如下教學(xué)目標：【知識與能力目標】1.理解文化創(chuàng)新的根本途徑和兩個基本途徑;2.了解文化創(chuàng)新過程中需要堅持正確方向，克服錯誤傾向。
人教版高中語文必修3《多思善想 學(xué)習(xí)選取立論的角度》說課稿
談到這，如果有人會說這僅僅是在于我個人與戰(zhàn)場之上，戰(zhàn)場之下另當(dāng)別論，那么，他完全錯了。在我小學(xué)四年級的語文課上有兩個人發(fā)言積極，一個姓黃，一個姓康，黃同學(xué)發(fā)言比康同學(xué)更積極，班上的同學(xué)常以為黃同學(xué)是個了不得的人物，后來，教語文的吳老師曾悄悄地告訴我：班上真正厲害的是康x，那黃x沒什么，說的全是“一點通”上的，照搬不誤。說到這，我還得厚著臉皮自夸一下，在四年級時，我和康同學(xué)是同坐，一次，老師叫我們對一片課文（好象是寫黃繼光舍身炸暗堡）的一個段落提問題時，我悄悄地對康同學(xué)說了一個問題，康同學(xué)對我說：“你站起來說嘛?！眱?nèi)向的我遙遙頭，康同學(xué)便站舉手，并起來將我的問題大聲地說了出來，結(jié)果老師說：“恩，康x的問題提得很好。”
人教版高中政治必修4矛盾是事物發(fā)展的源泉和動力說課稿（一）
《矛盾是事物發(fā)展的源泉和動力》是人教版普通高中課程標準實驗教科書，《思想政治》必修第4冊，《生活與哲學(xué)》第3單元第9課的第1框的內(nèi)容。本節(jié)課的這部分內(nèi)容，是在學(xué)生們學(xué)習(xí)了上一框用發(fā)展練習(xí)的觀點看問題的基礎(chǔ)上展開的，本框通過矛盾同一性和斗爭性，普遍性與特殊性這兩大關(guān)系，揭示矛盾是事物發(fā)展的源泉和動力。矛盾是本書的一個重要觀點。對于學(xué)生樹立正確的人生觀以及下一階段的學(xué)習(xí)都用很重要的作用。二、說教學(xué)目標（每個說1~2個）按照新課標教學(xué)目標，結(jié)合著高二年級學(xué)生他們的認知結(jié)構(gòu)及其心理特征，我制定了以下的教學(xué)目標：1、知識目標：通過學(xué)習(xí)掌握矛盾的含義。矛盾的同一性和斗爭性。矛盾的普遍性和特殊性。2、過程與方法的目標：使學(xué)生初步形成用矛盾的統(tǒng)一性和斗爭性相統(tǒng)一的觀點認識和把握事物的能力，以及通過運用矛盾普遍性和特殊性辯證關(guān)系的原理認識和解決問題的能力。
人教版高中政治必修4價值的創(chuàng)造與實現(xiàn)說課稿（一）
（六）鞏固練習(xí)：習(xí)題見教學(xué)設(shè)計（七）布置作業(yè)：適量的同步練習(xí)題設(shè)計意圖：反饋矯正，以便于進行教后反思。四、說教學(xué)反思新課程理念呼喚改變學(xué)生的學(xué)習(xí)方式，建立旨在調(diào)動和發(fā)揮學(xué)生主體作用的自主、合作、探究的學(xué)習(xí)方式。鼓勵學(xué)生結(jié)合實際大膽對一些問題進行探究，在活動中體驗和領(lǐng)悟，從而構(gòu)建新的知識。通過探究、思辨、實踐等方式，引導(dǎo)學(xué)生生成核心哲學(xué)觀點，展示學(xué)生生活智慧，培養(yǎng)科學(xué)思維習(xí)慣，提升學(xué)生思維能力，形成情感、態(tài)度與價值觀。本課例在設(shè)計時圍繞本框的三個知識點：“在勞動和奉獻中創(chuàng)造價值”、“在個人與社會的統(tǒng)一中實現(xiàn)價值”和“在砥礪自我中走向成功”，按照“情境導(dǎo)入——激發(fā)情意——自主學(xué)習(xí)，合作探究?！蹦Ｊ秸归_教學(xué)。在這樣的教學(xué)中，我們收獲了新課改教學(xué)經(jīng)驗，但是也存在著不足，日后還需繼續(xù)加以改進。
人教版高中政治必修3堅持先進文化的前進方向說課稿
教師點撥：是社會主義意識形態(tài)的本質(zhì)體現(xiàn)，是全國人民團結(jié)奮斗的共同思想基礎(chǔ)。④建設(shè)社會主義核心價值體系的要求設(shè)置探究問題：建設(shè)社會主義核心價值體系的要求有哪些？學(xué)生自主學(xué)習(xí)教材，得出結(jié)論板書：3建設(shè)社會主義核心價值體系的要求設(shè)計意圖：在掌握了內(nèi)容的基礎(chǔ)上，這一部分知識的學(xué)習(xí)水到渠成。高舉旗幟科學(xué)發(fā)展板書：1、中共引領(lǐng)文化前進方向的旗幟是——中國特色社會主義設(shè)置探究問題：高舉中國特色社會主義偉大旗幟最根本的要求是什么？學(xué)生自主學(xué)習(xí)，回答問題板書：2高舉中國特色社會主義偉大旗幟，最根本的是堅持中國特色社會主義理論體系。教師繼續(xù)追問：這一理論體系的基本內(nèi)涵是什么？能否舉例說明這一理論體系有什么特點。學(xué)生討論，教師點撥：這個理論體系，堅持和發(fā)展了馬克思列寧主義、毛澤東思想，是馬克思主義中國化最新成果。中國特色社會主義理論體系具有強大的生命力、創(chuàng)造力、感召力，是不斷豐富和發(fā)展的馬克思主義
人教版高中政治必修4世界是永恒發(fā)展的說課稿（一）
5．課堂練習(xí)，夯實基礎(chǔ)。得出原理方法論之后，給學(xué)生一分鐘時間記憶，然后一名或幾名學(xué)生上講臺默寫，其他同學(xué)相互提問。針對這一基本概念，設(shè)置一道選擇題。6、播放黃宏、宋丹丹小品《回家》片段，引發(fā)學(xué)生的興趣，接著教師展示幾幅關(guān)于手機的圖片，然后讓學(xué)生結(jié)合圖片，進行討論交流解決“合作探究二”，然后進行搶答（可以引發(fā)學(xué)生的競爭，從而調(diào)動課堂氣氛）。教師在學(xué)生回答基礎(chǔ)上，引導(dǎo)學(xué)生得出發(fā)展的實質(zhì)這一結(jié)論，接著教師展示“如何判斷一個事物是新事物還是舊事物的標準”，結(jié)合這一標準，讓學(xué)生判斷“電腦科技算命是不是新事物”，學(xué)生很容易就可以得出結(jié)論。7.教師簡單總結(jié)剛剛學(xué)過的內(nèi)容，引出“運動、變化是不是發(fā)展？”然后讓學(xué)生討論交流“合作探究三”。然后進行搶答，教師在學(xué)生回答基礎(chǔ)上，稍加點評，給予積極地評價，然后展示答案。8.教師引導(dǎo)學(xué)生得出本節(jié)課的第二個原理與方法論，并讓學(xué)生當(dāng)堂記憶，可以簡單提問。然后做課堂達標題，在學(xué)生展示答案后，教師簡單點撥即可。
人教版高中生物必修3第一章第二節(jié)《內(nèi)環(huán)境穩(wěn)態(tài)的重要性》說課稿
四、穩(wěn)態(tài)的重要意義 為什么內(nèi)環(huán)境穩(wěn)態(tài)失調(diào)后，會對機體造成危害？引導(dǎo)學(xué)生從細胞代謝需要的物質(zhì)和條件進行分析，最后總結(jié)出：內(nèi)環(huán)境穩(wěn)態(tài)是機體進行正常生命活動的必要條件。如何預(yù)防內(nèi)環(huán)境穩(wěn)態(tài)失調(diào)、保持機體健康？引導(dǎo)學(xué)生從外界環(huán)境和機體自身調(diào)節(jié)能力兩個方面去思考。即通過加強自我保健，減少外界環(huán)境變化對機體的不良影響，同時增強機體的調(diào)節(jié)能力以適應(yīng)多變的外界環(huán)境。具體如何做？學(xué)生討論，總結(jié)。1.保護我們的生存環(huán)境，防治環(huán)境污染。2.加強體育鍛煉，增強體質(zhì)，提高機體適應(yīng)外界環(huán)境的能力。3.加強自我保健，為機體保持健康創(chuàng)造有利條件。尤其是處于比較惡劣的工作環(huán)境中的人，更應(yīng)注意自身保健，如邊防戰(zhàn)士注意保暖、煉鋼工人注意降溫、抗洪戰(zhàn)士注意補充水鹽等。了解這些知識后才能懂得如何關(guān)愛自身和他人。