-
人教版高中語(yǔ)文必修1《奧斯維辛沒(méi)有什么新聞》教案2篇
3．作者為什么不直接描寫(xiě)人們看見(jiàn)東西呢？請(qǐng)同學(xué)們找出其中的細(xì)節(jié)描寫(xiě)，并說(shuō)明有什么表達(dá)效果。答：側(cè)面烘托，正是作者高明之處，這也是許多佳作常用之法。細(xì)節(jié)描寫(xiě)往往會(huì)成為事情的切入點(diǎn)和突破口，一篇佳作往往離不開(kāi)一些細(xì)節(jié)描寫(xiě)，本文也不例外，有些細(xì)節(jié)描寫(xiě)耐人尋味，如：“德國(guó)人撤退時(shí)炸毀的布熱金卡毒氣室和焚尸爐廢墟上，雛菊花在怒放。”“這是一個(gè)二十多歲的姑娘，長(zhǎng)得豐滿(mǎn)，可愛(ài)，皮膚細(xì)白，金發(fā)碧眼。她在溫和地微笑著，似乎是為著一個(gè)美好而又隱秘的夢(mèng)想而微笑。”4.句子賞析：“對(duì)另外一些人來(lái)說(shuō)，這樣一個(gè)事實(shí)使他們終生難忘：在德國(guó)人撤退時(shí)炸毀的布熱金卡毒氣室和焚尸爐廢墟上，雛菊花在怒放?！泵鞔_：一邊是戕害生命的毒氣室和焚尸爐，一邊是生機(jī)勃勃的生命，兩種反差極大的事物擺在一起。表達(dá)了作者對(duì)納粹的諷刺：納粹的殘暴終歸阻止不了生命的進(jìn)程。同時(shí)也表達(dá)了作者的控訴：生命的綻放是人世間最美好的事情，對(duì)生命的戕害是最?lèi)毫拥淖镄小?/p>
人教版高中地理必修1宇宙中的地球教案
從質(zhì)量、體積、平均密度、公轉(zhuǎn)與自轉(zhuǎn)周期等各方面，地球沒(méi)有一項(xiàng)是最大值或最小值，這說(shuō)明地球僅僅是太陽(yáng)系中一顆最普通不過(guò)的一顆行星。2、地球又是一顆特殊的行星。問(wèn)題 ：為什么？因?yàn)榈厍蚴悄壳拔覀円阎奈ㄒ淮嬖谏铮攸c(diǎn)是存在高級(jí)智慧生物的天體。問(wèn)題：為什么地球上會(huì)存在生命？原因：（1）地球所處的宇宙環(huán)境來(lái)說(shuō)：地球處于一種相對(duì)安全的宇宙環(huán)境。例：A、九大行星公轉(zhuǎn)的同向性、同面 性、及公 轉(zhuǎn)軌道的近圓性。B 太陽(yáng)光照條件的穩(wěn)定性。從地球產(chǎn)生到地球上有生物，幾十億年期間，太陽(yáng) 沒(méi)有明顯的變化，地球所處的光照條件一直較穩(wěn)定，生命演化沒(méi)有中斷。（2）地球自身的物質(zhì)條件：例：A 日地距離適中，形成了適宜的溫度：日地距離適中，地球表面平均溫度15度，適合生物的生存。（擴(kuò)展：地球自轉(zhuǎn)速度適中，大氣層的保溫效應(yīng)）B 地球質(zhì)量與體積適中，使地球有了適合的大氣條件。C 原始海洋的形成 ：使 生命的出現(xiàn)成為可能。
高中數(shù)學(xué)人教版必修二直線的點(diǎn)斜式方程教案
【教學(xué)重點(diǎn)】直線的點(diǎn)斜式方程、斜截式方程的確定．【教學(xué)難點(diǎn)】直線的點(diǎn)斜式方程、斜截式方程的確定．【教學(xué)過(guò)程】1、對(duì)特殊三角函數(shù)進(jìn)行鞏固復(fù)習(xí)；表1 內(nèi)特殊三角函數(shù)值 不存在圖1 特殊三角形2、鞏固復(fù)習(xí)直線的傾斜角和斜率相關(guān)內(nèi)容；直線的傾斜角：，；直線的斜率： ， ；設(shè)點(diǎn)為直線l上的任意兩點(diǎn)，當(dāng)時(shí)，
人教版高中地理必修1氣壓帶和風(fēng)帶教案
知識(shí)和技能 1、指導(dǎo)學(xué)生繪制氣壓帶和風(fēng)帶分布示意圖，從中分析大氣運(yùn)動(dòng)的規(guī)律性，并培養(yǎng)和提高學(xué)生繪制原理形成示意圖的地理技能。2、運(yùn)用海陸熱力差異原理進(jìn)行解釋?zhuān)訌?qiáng)學(xué) 生對(duì)半球冬夏季氣壓中心的形成和分布的理解解。3、使學(xué)生理解氣壓帶和風(fēng)帶對(duì)氣候的影響。過(guò)程與方法 1、通過(guò)三圈環(huán)流模擬演示，培養(yǎng)學(xué)生的空間思維能力。2、通過(guò)對(duì)海陸分布對(duì)大氣環(huán)流影響的兩圖示的對(duì)比分析，讓學(xué)生讀圖思考?xì)鈮簬?、風(fēng)帶的分布規(guī)律和原因。3、利用成因分析法引導(dǎo)學(xué)生探究氣壓帶和風(fēng)帶對(duì)氣候的影響機(jī)制。情感、態(tài)度與價(jià)值觀1、培養(yǎng)學(xué)生辯證唯物主義觀。2、培養(yǎng)學(xué)生理論聯(lián)系實(shí)際的能力。教學(xué)重點(diǎn)1、氣壓帶和風(fēng)帶的分布。2、北半球氣壓中心冬夏分布及對(duì)氣候的影響。3、氣壓帶和風(fēng)帶對(duì)氣候的影響。
新人教版高中英語(yǔ)必修1Unit 1 Teenage Life-Reading and Thinking教案
【教材分析】The topic of this unit is about teenage life, which belongs to the theme context of “humans and oneself”.As teenagers who shoulder the responsibility of “Chinese great dream”, they must fully know themselves, including their strengths, weaknesses and challenges etc. They are supposed to improve themselves continuously and readily study their subjects, and thus foster their strategies and confidence in lifelong studies.This period is entitled the freshmen challenges, which mainly concerns some big challenges for new students in Senior high school. In this period, a teacher should lead students to find out what their challenges are and guide them to figure out how to crack the challenges and better themselves. More importantly, a teacher should instruct students to absorb new language points and appreciate the language. Besides, a teacher must instruct students to acquire some skills concerning reading efficiently and inspire them to talk more about their new school life, especially their new problems and solutions both at school and in life.【教學(xué)目標(biāo)與核心素養(yǎng)】1. Enable students to acquire the basic usage of the new words and expressions concerning the freshmen challenges and learn to use them flexibly.2. Enable students to have a good understanding of the freshmen challenges in the new senior high school which is quite different from junior middle school.3. Develop students’ sense of cooperative learning and individual thinking capability. 4. Develop students’ different learning skills to solve different reading comprehensive problems.
新人教版高中英語(yǔ)必修1Unit 1 Teenage Life-Reading for Writing教案
【教材分析】This teaching period mainly deals with reading for writing a letter of advice. Students are expected to learn the knowledge about how to write a suggestion letter. The teacher is expected to enable students to master some writing skills concerning suggestion letters and learn to write one.【教學(xué)目標(biāo)與核心素養(yǎng)】1. Get students to have a good understanding of how to write a suggestion letter properly.2. Enable students to use some writing skills flexibly.3. Develop students’ writing and cooperating abilities.4. Strengthen students’ great interest in writing discourses.【教學(xué)重難點(diǎn)】1. How to enable students to have a good understanding of the skills of writing a suggestion letter2.How to enable students to write a good recommendation letter using some writing skills properly.【教學(xué)過(guò)程】Step 1: Lead in Begin the class with the lead-in questions: how to write a letter for advice? What kinds of aspects should be included? It is strongly recommended that the teacher should ask students to discuss the topic freely with their partners and brainstorm some ideas concerning the topic. In this way, students can come up with more ideas and avoid being nervous at the beginning of the class.Step 2: Read to discover details concerning advice letters’ writing style.The teacher is expected to ask students to read a letter offering some advice on page 18 silently and then request students to discuss the questions below.
新人教版高中英語(yǔ)必修1Unit 4 Natural Disasters-Discovering Useful Structures教案
【教材分析】This teaching period mainly deals with the grammar: the restrictive relative clauses.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 exercise of good quality.【教學(xué)目標(biāo)與核心素養(yǎng)】1. Get students to have a good understanding of the basic usages of the restrictive relative clauses.2. Enable students to use the restrictive relative clauses flexibly.3. Develop students’ speaking and cooperating abilities.4. Strengthen students’ great interest in grammar learning.【教學(xué)重難點(diǎn)】How to enable students to have a good understanding of the restrictive relative clauses, especially the uses of the relative words such as which, that, who, whom.【教學(xué)過(guò)程】Step1: 語(yǔ)法知識(shí)呈現(xiàn)定語(yǔ)從句（一）—關(guān)系代詞的用法在復(fù)合句中, 修飾名詞或代詞的從句叫定語(yǔ)從句。定語(yǔ)從句通常由關(guān)系代詞或關(guān)系副詞引導(dǎo)，說(shuō)明事物的具體信息，從句位于被修飾詞之后。被定語(yǔ)從句修飾的詞叫先行詞，引導(dǎo)定語(yǔ)從句的詞叫關(guān)系詞，關(guān)系詞指代先行詞，并在定語(yǔ)從句中充當(dāng)成分。關(guān)系詞有兩種：關(guān)系代詞who, whom ,whose, that, which, as和關(guān)系副詞when, where, why。
新人教版高中英語(yǔ)必修1Unit 4 Natural Disasters-Listening and Speaking教案
【教材分析】高考聽(tīng)力材料的選用非常重視語(yǔ)言真實(shí)性和交際性的原則，語(yǔ)言材料一般來(lái)源于實(shí)際生活，對(duì)話的內(nèi)容大都取材于日常生活，即衣、食、住、行、工作、學(xué)習(xí)、天氣、生活環(huán)境等話題，可分為校園、公共場(chǎng)所、家庭等方面，如: shopping, finding the way, doing one’s homework, seeing a doctor, making a phone call, weather report, asking for different kinds of information等。新教材的特點(diǎn)就是利用生活中真實(shí)文本，只是降低難度，讓學(xué)生注重語(yǔ)言的應(yīng)用，將是我們高考把握方向的重要因素?！窘虒W(xué)目標(biāo)與核心素養(yǎng)】學(xué)習(xí)能力目標(biāo)：在聽(tīng)力當(dāng)中，學(xué)生應(yīng)該有效規(guī)劃學(xué)習(xí)方法，選擇恰當(dāng)?shù)牟呗耘c方法。這節(jié)課的訓(xùn)練目標(biāo)是讓學(xué)生有正確的預(yù)測(cè)和抓住問(wèn)題的關(guān)鍵信息，從而用心去聽(tīng)來(lái)找尋關(guān)鍵信息。根據(jù)生活中實(shí)際情況和高考常見(jiàn)語(yǔ)境，我們不難發(fā)現(xiàn)提前預(yù)測(cè)和抓住題干中的w很重要，即what, where, when, why等等。
新人教版高中英語(yǔ)必修1Welcome Unit-Discovering Useful Structures教案
II Learn the technical terms-2.1. What can be used as “Subject, Object, Predicative, Direct Object, Indirect Object and objective complement” in a sentence?2. What can be used as “adverbial” in a sentence?3. What can be used as “verb” in a sentence?Answers to questions 1-3:1. Nouns, pronouns and appellations can be used as “Subject, Object, Predicative, Direct Object, Indirect Object and Objective Complement”. Besides, adjectives can be used as “Predicative and Objective Complement” in a sentence.2. Adverbs and prepositional phrases can be used as “Adverbial”.3. Verbs with actual meaning can be used as “Verb” in a sentence. Auxiliary verbs alone cannot be used as “Verb” in a sentence.III Learn to recognize the sentence structures.1. SV structure. For Example:(1) A bird flies.S V(2) A monkey jumps.S V(3) A fish swims.S V√ In SV structures, verbs are “intransitive verbs”.2. SVO structure. For Example:(1) A sheep eats grass.S V O(2) They like bananas.S V O(3) He wants candy.S V O√ In SVO structures, verbs are “transitive verbs”.3. SP structure. For Example:(1) This is great.S P (2) He looks well.S P (3) She became a teacher.S P √ In SP structures, Predicatives are formed by “l(fā)ink verbs” and “adjectives or nouns”.√ link verbs: be, become, grow, look, feel, taste, etc.4. SV IO DO structure. For Example:(1) He asked me a question.S V IO DO(2) Danny wrote me a letter.S V IO DO(3) Billy brought Sam a kite.S V IO DO√ In SV IO DO structures, the verbs are transitive and are followed by two objectives – pronouns or nouns as Indirect Objective, and nouns as Direct Objectives.
新人教版高中英語(yǔ)必修1Unit 4 Natural Disasters-Reading & Thinking教案
5. Read to get detailed information about Paragraph 5.Q1. What shows the revival of Tangshan?Q2. How can Tangshan revive itself and get up on its feet again?Q3. In times of disasters, how can we go through it?T: In times of disasters, we should unify, show the wisdom and stay positive.Step 4 Activity 4 Highlighting the theme and reflecting1. Make a summary of the text.2. Further understand the titleQ: After our learning, why do you think the earth didn’t sleep on that night?T: An earthquake happened. The people in the earthquake suffered a lot, and the people outside Tangshan were concerned about the people there a lot.3. Reflect through discussion on what can be learnt after reading.T: Disasters are powerful. Unpreparedness can be deadly. Life is weak, but if people work together to help each other, disasters can be defeated.There is no love from disaster, but we have love in the human heart.Step 5 Assignment How does the writer convey that the earthquake was deadly, and that people were helpless during the earthquake? Try to find some attractive and impressive expressions and note them down.
新人教版高中英語(yǔ)必修1Welcome Unit-Discovering Useful Structures & Listening and Talking教案
常跟雙賓語(yǔ)的動(dòng)詞有：（需借助to的）bring, ask, hand, offer, give, lend, send, show, teach, tell, write, pass, pay, promise, return等；基本句型 五S +V + O + OC（主＋謂＋賓＋賓補(bǔ)）特點(diǎn)：動(dòng)詞雖然是及物動(dòng)詞，但是只跟一個(gè)賓語(yǔ)還不能表達(dá)完整的意思，必須加上一個(gè)補(bǔ)充成分來(lái)補(bǔ)足賓語(yǔ)，才能使意思完整。 判斷原則：能表達(dá)成—賓語(yǔ) 是…/做…注：此結(jié)構(gòu)由“主語(yǔ)+及物的謂語(yǔ)動(dòng)詞+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)”構(gòu)成。賓語(yǔ)與賓語(yǔ)補(bǔ)足語(yǔ)之間有邏輯上的主謂關(guān)系或主表關(guān)系，若無(wú)賓語(yǔ)補(bǔ)足語(yǔ)，則句意不夠完整?？梢杂米鲑e補(bǔ)的有：名詞，形容詞，副詞，介詞短語(yǔ)，動(dòng)詞不定式，分詞等。如：He considers himself an expert on the subject.他認(rèn)為自己是這門(mén)學(xué)科的專(zhuān)家。We must keep our classroom clean.我們必須保持教室清潔。I had my bike stolen.我的自行車(chē)被偷了。We invited him to come to our school.我們邀請(qǐng)他來(lái)我們學(xué)校。I beg you to keep secret what we talked here.我求你對(duì)這里所談的話保密。用it做形式賓語(yǔ)，而將真正的賓語(yǔ)放到賓語(yǔ)補(bǔ)足語(yǔ)的后面，以使句子結(jié)構(gòu)平衡，是英語(yǔ)常用的句型結(jié)構(gòu)方式。即：主語(yǔ)+謂語(yǔ)+it+賓補(bǔ)+真正賓語(yǔ)。如：We think it a good idea to go climb the mountain this Sunday.
新人教版高中英語(yǔ)必修1Unit 5 Languages Around the World-Reading for Writing教案
Step 3: Read to sum upRead it again and sum up the problems of the three students, and then write down the advice that was given from others.Step 4: Work in pairs. List your learning problems in English and brainstorm some useful advice.Useful expressions ? I don't know how to…... Is a big difficulty for me. I cannot ...? You might try …. It's very important to…? I have no idea how/what .My biggest problem is .... ? I (also) have trouble with. My advice is …. This worked for me.? l cannot understand the teachers’ English in class.Step 5 Homework：為提高我校學(xué)生的英語(yǔ)口語(yǔ)水平，我們將舉辦英語(yǔ)演講比賽(English- speaking contest)，請(qǐng)你根據(jù)下面的信息，以學(xué)生會(huì)(the Students‘ Union)的名義寫(xiě)一份海報(bào)，歡迎全校同學(xué)參加，屆時(shí)特邀本校美籍教師史密斯先生頒獎(jiǎng)。? 報(bào)名時(shí)間 9月30日以前(報(bào)名:signup)? 報(bào)名地點(diǎn) 學(xué)生會(huì)辦公室? 比賽時(shí)間 10月9日晚7:00~9:00? 比賽地點(diǎn) 學(xué)校大會(huì)議室? 獎(jiǎng)勵(lì) 前8名
新人教版高中英語(yǔ)必修1Welcome Unit-Reading and Thinking教案
Step 2 New WordsUse ppt to show some words from the passage.Tell the students to remember the meanings.Step3 Skimming and Thinking1. Skim the text and decide which order Han Jing follows to talk about her first day. Time order or place order?Time order2. What is Han Jing worried about before she goes to senior high school?She is worried about whether she will make new friends and if no one talks to her, what she should do.Step 4 Fast Reading1. Match the main ideas with each paragraphParagraph 1:The worries about the new school day Paragraph 2Han Jing’s first maths classParagraph 3Han Jing’s first chemistry classParagraph 4Han Jing’s feelings about her first senior school dayStep 5 Careful Reading1. Fill in the chart with the words and phrases about Han Jing’s day. Answers: Senior high school, a little nervous; Her first maths class, classmates and teachers, friendly and helpful; Chemistry lab; new; great; annoying guy; Confident; a lot to explore2. Read the text again and discuss the questions.1) Why did Han Jing feel anxious before school?Because she was a new senior high student and she was not outgoing. What was more, she was worried about whether she can make friends.2) How was her first maths class?It was difficult but the teacher was kind and friendly. 3) What happened in the chemistry class? What would you do if this happened to you? A guy next to Han Jing tried to talk with her and she couldn’t concentrate on the experiment.
人教版高中地理必修1大規(guī)模的海水運(yùn)動(dòng)教案
4．海洋污染（1）閱讀書(shū)本P64，由學(xué)生歸納：（2）展示圖片資料：“威望號(hào)油輪泄漏事故”【討論】石油污染將對(duì)該海區(qū)的生態(tài)環(huán)境造成怎樣的影響？【小結(jié)】本節(jié)課我們從四個(gè)方面了解了洋流對(duì)地 理環(huán)境和人類(lèi)活動(dòng)的影響，重點(diǎn)學(xué)習(xí)洋流對(duì)氣候和對(duì)漁場(chǎng)形成的影響。同學(xué)們聽(tīng)說(shuō)過(guò)“厄爾尼諾”現(xiàn)象嗎？“厄爾尼諾”現(xiàn)象會(huì)影 響秘魯漁場(chǎng)的漁獲量；也會(huì)對(duì)氣候產(chǎn)生影響，導(dǎo)致全球氣候異常?！禾骄俊吧衿娴亩驙柲嶂Z”現(xiàn)象』學(xué)習(xí)小組交流【小結(jié)】“厄爾尼諾”現(xiàn)象還有許多不解之謎，其中之一是形成原因，尚未能解釋清楚。有人認(rèn)為是南半球東南信風(fēng)減弱造成的，也有人認(rèn)為是大氣環(huán)流減弱造成的結(jié)果；且“厄爾 尼諾”現(xiàn)象發(fā)生有沒(méi)有自身的規(guī)律？發(fā)生周期長(zhǎng)短受什么制約？等等，這些謎團(tuán)等待我們?nèi)ヒ灰唤忾_(kāi)。
人教版高中地理必修1常見(jiàn)天氣系統(tǒng)教案
知識(shí)和技能 ⑴從圖片和簡(jiǎn)易圖中，了解氣團(tuán)（冷氣團(tuán)、暖氣團(tuán)）的概念；鋒的概念與分類(lèi)；低壓（氣旋）、高壓（反氣旋）、高壓脊、低壓槽的概念。⑵從氣溫、氣壓、濕度、降水、風(fēng)等幾方面分析各種天氣系統(tǒng)的形成及其氣流特點(diǎn)，并綜合出各種天氣系統(tǒng)控制下的天氣狀況過(guò)程與方法 ⑴讓學(xué)生能閱讀和簡(jiǎn)單分析天氣圖，解釋天氣變化現(xiàn)象；⑵用案例說(shuō)明氣象災(zāi)害發(fā)生的原因和危害；⑶結(jié)合我國(guó)常見(jiàn)的天氣系統(tǒng)說(shuō)明其對(duì)人們生產(chǎn)和生活的影響情感、態(tài)度與價(jià)值觀激發(fā)學(xué)生探究天氣的形成和變化的興趣和動(dòng)機(jī)，培養(yǎng)學(xué)生求真、求實(shí)的科學(xué)態(tài)度，提高地理審美情趣教學(xué)重點(diǎn)1.鋒面系統(tǒng)。(鋒面系統(tǒng):一是要區(qū)別冷暖鋒的成因，二是要掌握鋒面兩側(cè)的氣壓、溫度、濕度、風(fēng)和天氣差異)2.低壓、高壓系統(tǒng)。（要掌握其成因、氣壓特征、氣流特征及其天氣特點(diǎn)四個(gè)方面。）
人教版高中地理必修1地球的圈層結(jié)構(gòu)教案
師：很好。由于存在地球大氣圈、地球水圈和地表的礦物，在地球上這個(gè)合適的溫度條件下，形成了適合于生物生存的自然環(huán)境。人們通常所說(shuō)的生物，是指有生命的物體，包括植物、動(dòng)物和微生物。據(jù)估計(jì)，現(xiàn)有生存的植物約有40萬(wàn)種，動(dòng)物約有110多萬(wàn)種，微生物至少有10多萬(wàn)種。據(jù)統(tǒng)計(jì)，在地質(zhì)歷史上曾生存過(guò)的生物約有5億～10億種之多，然而，在地球漫長(zhǎng)的演化過(guò)程中，絕大部分都已經(jīng)滅絕了?，F(xiàn)存的生物生活在巖石圈的上層部分、大氣圈的下層部分和水圈的全部，構(gòu)成了地球上一個(gè)獨(dú)特的圈層，稱(chēng)為生物圈。生物圈是太陽(yáng)系所有行星中僅在地球上存在的一個(gè)獨(dú)特圈層。課堂小結(jié)：地球所有的外部圈層是相互滲透、相互影響，甚至相互重疊的，在太陽(yáng)和人類(lèi)生活的參與下，整個(gè)地球生機(jī)盎然；同時(shí)，它們起著保護(hù)地球的作用，可以減弱太陽(yáng)和宇宙輻射對(duì)地表的影響，減少宇宙中的隕石對(duì)地球表面的撞擊。外部各圈中的物質(zhì)運(yùn)動(dòng)和循環(huán)，是促使地表物質(zhì)和形態(tài)演變的重要?jiǎng)恿Α?/p>
人教版高中地理必修1山岳的形成教案
【轉(zhuǎn)折過(guò)渡】除了以上所說(shuō)的褶皺山和斷層山之 外，是否還有其他類(lèi)型的山脈呢？試舉一例說(shuō)明?！緦W(xué)生思考后回答】有，如富士山屬于火山?！窘處熆偨Y(jié)】同學(xué)們回答的很好，還有火山，那么火山是如何形成的呢？這就是我們要研究的下一個(gè)問(wèn)題。【板書(shū)】3、火山【指導(dǎo)讀書(shū)】請(qǐng)同學(xué)們閱讀教材P81思考：①玄武巖高原和火山有什么聯(lián)系與區(qū)別？ ②火山由哪幾部分構(gòu)成的？③火山的規(guī)模是否相同？【學(xué)生回答】①聯(lián)系：玄武巖高原和火山都是由于處于地下深處的巖漿，在巨大的壓力作用下，有時(shí)候會(huì)沿著地殼的薄弱地帶噴出地表而形成的。區(qū)別：玄武巖高原是巖漿沿著地殼的線狀裂隙流出，往往比較寬廣。如哥倫比亞高原?；鹕绞菐r漿沿著地殼的中央噴出口或管道噴出。如我國(guó)長(zhǎng)白山的主峰。②火山由火山口和火山錐兩部分組成。③火山的規(guī)模大小不一，大火山的相對(duì)高度可達(dá)4 000～5 000米，火山口直徑為數(shù)百米；小火山的相對(duì)高度不及100米。
人教版高中地理必修1太陽(yáng)對(duì)地球的影響教案
當(dāng)時(shí)，不只發(fā)生了太陽(yáng)風(fēng)暴，同時(shí)還有其它的現(xiàn)象發(fā)生，導(dǎo)致災(zāi)難巨大。 如果，這些現(xiàn)象單獨(dú)地發(fā)生，結(jié)果就會(huì)是另外一個(gè)樣子。正是由于這些因素綜合起來(lái)，1859年的太陽(yáng)風(fēng)暴，才在人類(lèi)歷史上留下了濃墨重彩的一筆。太陽(yáng)磁暴開(kāi)始干擾通信日本衛(wèi)星首個(gè)被“擊中”日本航天機(jī)構(gòu)29日聲明，受強(qiáng)烈的太陽(yáng)磁暴影響，28日晚，日本“兒玉(Kodama)”通訊衛(wèi)星信號(hào)中斷。 據(jù)美聯(lián)社報(bào)道，在太陽(yáng)黑子活動(dòng)減弱后，“兒玉”通訊衛(wèi)星恢復(fù)正常運(yùn)轉(zhuǎn)。 美歐研究人員28日發(fā)布新聞公告稱(chēng)，太陽(yáng)當(dāng)天發(fā)生了一次強(qiáng)烈的耀斑爆發(fā)，預(yù)示著新一輪太陽(yáng)風(fēng)暴將在今后一兩天內(nèi)抵達(dá)地球，地球上的通信等設(shè)施可能會(huì)因此受到部分干擾。與這次耀斑爆發(fā)相伴，太陽(yáng)表面還產(chǎn)生了一股強(qiáng)大的日冕物質(zhì)噴射，方向幾乎直沖地球。研究人員說(shuō)，噴射產(chǎn)生的帶電粒子流正以約每小時(shí)750萬(wàn)公里的速度奔地球而來(lái)，其與地球磁場(chǎng)作用后可能會(huì)形成比較強(qiáng)烈的地磁暴，使地球兩極出現(xiàn)極光，并可能對(duì)衛(wèi)星運(yùn)行和通信等造成干擾。
高中數(shù)學(xué)人教版必修二直線的點(diǎn)斜式方程教案
【教學(xué)目標(biāo)】知識(shí)目標(biāo)：理解直線的點(diǎn)斜式方程、斜截式方程、橫截距、縱截距的概念；掌握直線的點(diǎn)斜式方程、斜截式方程的確定．能力目標(biāo)：通過(guò)求解直線的點(diǎn)斜式方程和斜截式方程，培養(yǎng)學(xué)生的數(shù)學(xué)思維能力與數(shù)形結(jié)合的數(shù)學(xué)思想．情感目標(biāo)：通過(guò)學(xué)習(xí)直線的點(diǎn)斜式方程和斜截式方程，體會(huì)數(shù)形結(jié)合的直觀感受．【教學(xué)重點(diǎn)】直線的點(diǎn)斜式方程、斜截式方程的確定．【教學(xué)難點(diǎn)】直線的點(diǎn)斜式方程、斜截式方程的確定．
人教版高中歷史必修1抗日戰(zhàn)爭(zhēng)教案
【備課資料】百團(tuán)大戰(zhàn)八路軍從8月20日起，在華北敵后出動(dòng)105個(gè)團(tuán)，約40萬(wàn)兵力，在2500公里長(zhǎng)的戰(zhàn)線上，發(fā)動(dòng)了規(guī)模最大的“以徹底破壞正太路若干要隘，消滅部分?jǐn)橙私財(cái)嘣摼€交通”為目的的舉世聞名的“百團(tuán)大戰(zhàn)”。八路軍提出“不留一根鐵軌、不留一根枕木、不留一個(gè)車(chē)站、不留一個(gè)碉堡、不留一座橋梁”的口號(hào)，“讓敵人用腳同我們賽跑”，“讓敵人用牛驢搬炮彈、飛機(jī)大炮”。八路軍展開(kāi)攻堅(jiān)戰(zhàn)，端掉敵一系列據(jù)點(diǎn)。據(jù)有關(guān)資料記載，從8月20日到12月5日，在歷時(shí)三個(gè)半月的“百四大戰(zhàn)”中，我軍共進(jìn)行大小戰(zhàn)斗1824次，斃傷日偽軍25800余人，俘日偽軍18600余人，繳獲了大批武器、彈藥和軍用食品等；破壞鐵路470多公里，公路1500多公里，橋梁、車(chē)站、隧道等260余處，使正太鐵路停運(yùn)月余；攻克日偽據(jù)點(diǎn)2993個(gè)，鞏固和擴(kuò)大了抗日軍民占領(lǐng)區(qū)。