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新人教版高中英語選修2Unit 2 Learning about Language教學設(shè)計
The activity theme of this section is to design various activities around the key words in the first text. Therefore, the activities require students to pay attention to the spelling of words. On the other hand, let students grasp the meaning of words more accurately through sentences and short texts. This kind of teaching design also helps to improve the ability of using English thinking.1. Cultivating students' ability to use word formation to induce and memorize vocabulary, and the ability to use lexical chunks to express meaning.2. Guide the students to think independently and use the correct form of words to complete sentences3. Cultivate students' habit of using lexical chunks to express language completely, guide students to draw words in sentences quickly, pay attention to word collocation, so as to accumulate more authentic expressions4. Instruct students to create sentences with the chunks.1. Enable students to use the language points in the real situation or specific contexts flexibly and appropriately.2. Guiding the Ss to use unit topic words and the sentence patterns in a richer context.Step1: Think of a word that best fits each definition.1. to remember sth2.to accept, admit, or recognize sth or the truth/existence of sth3. the process of changing sth or yourself to suit a new situation4 .to make sb feel less worried or unhappy5. a strong desire to achieve sth
新人教版高中英語選修2Unit 2 Reading and thinking教學設(shè)計
Her tutor told her to acknowledge __________ other people had said if she cited their ideas, and advised her _______（read） lots of information in order to form __________wise opinion of her own.Now halfway __________ her exchange year, Xie Lei felt much more at home in the UK. She said __________ (engage) in British culture had helped and that she had been__________ (involve) in social activities. She also said while learning about business, she was acting as a cultural messenger __________（build） a bridge between the two countries. keys:Xie Lei, a 19yearold Chinese student, said goodbye to her family and friends in China and boarded (board) a plane for London six months ago in order to get a business qualification. She was ambitious(ambition) to set up a business after graduation. It was the first time that she had left (leave) home.At first, Xie Lei had to adapt to life in a different country. She chose to live with a host family, who can help with her adaptation (adapt) to the new culture. When she missed home, she felt comforted (comfort) to have a second family. Also Xie Lei had to satisfy academic requirements. Her tutor told her to acknowledge what other people had said if she cited their ideas, and advised her to read lots of information in order to form a wise opinion of her own.Now halfway through her exchange year, Xie Lei felt much more at home in the UK. She said engaging (engage) in British culture had helped and that she had been involved (involve) in social activities. She also said while learning about business, she was acting as a cultural messenger building a bridge between the two countries.
新人教版高中英語選修2Unit 2 Reading for writing教學設(shè)計
The theme of this section is to express people's views on studying abroad. With the continuous development of Chinese economic construction, especially the general improvement of people's living standards, the number of Chinese students studying abroad at their own expense is on the rise. Many students and parents turn their attention to the world and regard studying abroad as an effective way to improve their quality, broaden their horizons and master the world's advanced scientific knowledge, which is very important for the fever of going abroad. Studying abroad is also an important decision made by a family for their children. Therefore, it is of great social significance to discuss this issue. The theme of this section is the column discussion in the newspaper: the advantages and disadvantages of studying abroad. The discourse is about two parents' contribution letters on this issue. They respectively express their own positions. One thinks that the disadvantages outweigh the advantages, and the other thinks that the advantages outweigh the disadvantages. The two parents' arguments are well founded and logical. It is worth noting that the two authors do not express their views on studying abroad from an individual point of view, but from a national or even global point of view. These two articles have the characteristics of both letters and argumentative essays1.Guide the students to read these two articles, and understand the author's point of view and argument ideas2.Help the students to summarize the structure and writing methods of argumentative writing, and guides students to correctly understand the advantages and disadvantages of studying abroad3.Cultivate students' ability to analyze problems objectively, comprehensively and deeply
新人教版高中英語選修2Unit 2 Using langauge-Listening教學設(shè)計
? B: Absolutely! Getting involved with Chinese cultural activities there definitely helped a lot. I got to practice my Chinese on a daily basis, and I could learn how native Chinese speakers spoke.? A: What do you feel is your biggest achievement?? B: Learning Chinese characters! I have learnt about 1,500 so far. When I first started, I didn't think it was even going to be possible to learn so many, but now I find that I can read signs, menus, and even some easy newspaper articles.? A: What are you most keen on?? B: I've really become keen on learning more about the Chinese culture, in particular Chinese calligraphy. As I have learnt Chinese characters, I have developed a great appreciation for their meaning. I want to explore Chinese characters by learning how to write them in a more beautiful way. ? A: Finally, what do you want to say to anyone interested in learning Chinese?? I have really become keen on learning more about the Chinese culture, in particular Chinese Calligraphy. As I have learnt Chinese character, I have developed a great appreciation for their meaning. I want to explore Chinese characters by learning how to write them in a more beautiful way.? A: Finally, what do you want to say to anyone interested in learning Chinese?? B: I'd say, give it a shot! While some aspects may be difficult, it is quite rewarding and you will be happy that you tried.? A: Thanks for your time. ? B:You're welcome.
新人教版高中英語選修2Unit 5 Reading for writing教學設(shè)計
你校英語報計劃出版一期急救常識?？?現(xiàn)面向全校學生公開征集稿件,你有意參加。請你根據(jù)下面提示內(nèi)容,用英語寫一篇短文,介紹在車禍現(xiàn)場對傷者進行急救的方法和步驟。1.確?，F(xiàn)場的安全;2.詢問傷者,確保其呼吸正常;3.檢查傷口,如流血則應(yīng)采取止血措施;4.如需急救,確保其處于康復(fù)位置。注意:1.詞數(shù)80左右;2.可以適當增加細節(jié),以使行文連貫。參考詞匯:康復(fù)位置 recovery positionAs we all know, having a knowledge of first aid can make a great difference in our daily life. If a traffic accident happens and someone is injured, the following steps can be used to treat the injured.In the first place, we should make sure that the accident scene is safe so that we won’t get hurt. We should ask the injured person if he is OK, and see if he is breathing. What’s more, we should check for cuts and wounds. If he is bleeding badly, it is vital that we should try to stop the bleeding by applying pressure to the injury. This is because if a person loses too much blood, he may die. If necessary, take the injured person to the hospital as soon as possible.Do remember: when giving first aid, please be sure to place the person in a recovery position.
新人教版高中英語選修2Unit 4 Reading for writing教學設(shè)計
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(dǎo)游。注意：1.詞數(shù)80左右(開頭和結(jié)尾已給出，不計入總詞數(shù))；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.
新人教版高中英語選修2Unit 5 Using langauge-Listening教學設(shè)計
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.
新人教版高中英語選修2Unit 4 Reading and thinking教學設(shè)計
【詞匯精講】highlight n.最好或最精彩的部分 vt.突出;強調(diào);使醒目One of the highlights of the trip was seeing the Taj Mahal.這次旅行的亮點之一是參觀泰姬陵。Your resume should highlight your skills and achievements.你的簡歷應(yīng)該突出你的技能和成就。The report highlights the major problems facing society today.報告強調(diào)了當今社會所面臨的主要問題。I’ve highlighted the important passages in yellow.我用黃色標出了重要段落。7.Edmonton is freezing cold in winter,with daily temperatures averaging -10 ℃.埃德蒙頓冬季寒冷,日平均氣溫為-10°C?！驹~匯精講】freezing adj.極冷的;冰凍的Leave a basin of water outside in freezing weather.在冰凍的天氣里,放一盆水在室外。It’s freezing cold outside so wear a warm coat.外面超冷的,所以穿一個暖和一點的外套吧。8.It was not until 9:30 a.m.that they finally reached the capital of Ontario,Toronto.直到上午9時30分,他們才終于到達多倫多的首府安大略省?！揪涫狡饰觥勘揪涫且粋€強調(diào)句,強調(diào)的是句子的時間狀語until 9:30。含有not...until...的句子的強調(diào)句為It is not until...that...,that后面的句子要用肯定形式。It was not until then that I suddenly realized nobody was happier than I was.直到那時我才突然意識到?jīng)]有人比我更幸福了。
新人教版高中英語選修2Unit 3 Learning about Language教學設(shè)計
1. We'll need ten months at least to have the restaurant decorated.2.Some traditional Chinese dishes from before the Ming Dynasty are still popular today.3.My grandpa's breakfast mainly includes whole grain biscuits and a glass of milk.4.People in this area would eat nearly a kilo of cheese per week.5. We enjoyed a special dinner in a fancy restaurant where the waiters all wore attractive suits.6. He prefers this brand of coffee which, as he said, has an unusually good flavor.Key:1. at a minimum 2. prior to3. consist of4. consume5. elegant6. exceptionalStep 5：Familiarize yourself with some food idioms by matching the meaning on the right with the colored words on the left.1.Public concern for the health of farm animals has mushroomed in the UK2.Anderson may be young but he's certainly rolling to doing dough!3.George is a popular lecturer. He often peppers his speech with jokes.4.As the person to bring home the bacon, he needs to find a stable job.5 He is often regarded as a ham actor for his over emphasized facial expressions. The media reported that these companies had treated pollution as a hot potato. 6.The media reported that these companies had treated pollution as a hot potato.7.Don't worry about the test tomorrow. It's going to be a piece of cake!8. It's best to fold the swimming ring when it is as flat as a pancake.A. completely flatB. something that is very easy to do C.an issue that is hard to deal withD.to include large numbers of somethingE.to earn on e's living to support a familyF. wealthyG.to rapidly increase in numberH. an actor who performs badly, especially by over emphasizing emotions
新人教版高中英語選修2Unit 3 Reading for writing教學設(shè)計
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.
新人教版高中英語選修2Unit 3 Using langauge-Listening教學設(shè)計
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?
新人教版高中英語選修2Unit 4 Learning about Language教學設(shè)計
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.
新人教版高中英語選修2Unit 4 Using langauge-Listening教學設(shè)計
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.
新人教版高中英語選修2Unit 5 Learning about Language教學設(shè)計
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.
新人教版高中英語選修2Unit 5 Reading and thinking教學設(shè)計
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
人教版高中政治必修3堅持先進文化的前進方向精品教案
一、教材分析這一課對學生來說還是有點難度的，比較抽象，和同學們的生活離得比較遠。這一課也是第四單元的點睛一課，重點?？梢粤信e當前我國社會主義精神文明建設(shè)的事例，說明必須堅持馬克思主義的指導(dǎo)地位，用“三個代表”重要思想統(tǒng)領(lǐng)社會主義文化建設(shè)；理解發(fā)展先進文化，就是發(fā)展面向現(xiàn)代化、面向世界、面向未來的，民族的科學的大眾的社會主義文化。例如，“五個一工程”等獎項；“希望工程”等活動。讓學生來理解我國社會主義文化的發(fā)展。二、教學目標（一）知識目標（1）當代中國先進文化的科學內(nèi)涵及文化建設(shè)的指導(dǎo)思想理解：（2）社會主義核心價值體系的地位、內(nèi)容及要求，（3）堅持馬克思主義指導(dǎo)地位的必要性和重要性（4）引領(lǐng)中國先進文化前進方向的永不退色的旗幟分析：運用相關(guān)知識，，說明必須用“三個代表”重要思想統(tǒng)領(lǐng)社會主義文化建設(shè)
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？學生自主學習教材，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，這一部分知識的學習水到渠成。高舉旗幟科學發(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？學生自主學習，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1揭開貨幣的神秘面紗教案
學生活動：閱讀課本，找出問題。教師點評：紙幣是由國家發(fā)行的，強制使用的貨幣符號。因為在商品流通中，人們只關(guān)心貨幣能否帶來價值相等的商品，不關(guān)心它本身是否足值，所以，可以用貨幣符號――紙幣，代替它執(zhí)行流通手段職能。這樣就產(chǎn)生了紙幣。教師活動：既然國家有權(quán)發(fā)行貨幣，是否可以隨意決定紙幣的發(fā)行數(shù)量呢？（2）紙幣的發(fā)行規(guī)律 紙幣的發(fā)行量必須以流通中所需要的貨幣量為限度。發(fā)行過多會引起物價上漲，；發(fā)行過少，阻礙流通。生活中出現(xiàn)的通貨膨脹、通貨緊縮現(xiàn)象，往往是與貨幣發(fā)行違反發(fā)行規(guī)律有重要關(guān)系。（3）制造假幣是違法行為教師活動：請同學們閱讀教材P6－7頁，說明刑法中的這些規(guī)定對你有什么啟示？學生活動：閱讀課本，探索問題。教師引導(dǎo)：通過學習這些規(guī)定，應(yīng)該明確：制造假幣是一種違法行為，應(yīng)受到法律制裁；人民幣在我國經(jīng)濟和人民生活中有十分重要的作用，愛護人民幣是每個公民的責任；要提高鑒別假幣的能力。
人教版高中地理必修1營造地表形態(tài)的力量教案
【導(dǎo)入新課】一位在青藏高原上跋涉的旅行者，途中休息時從路邊巖層中隨手拿起一塊小石 頭玩賞時受小石子的紋路的吸引，他不禁仔細觀瞧，吃驚地發(fā)現(xiàn)這竟是一個古代海洋生物化石！近年來，人們在臺灣海 峽海底某些地方發(fā)現(xiàn)有古代森林的遺跡。這些發(fā)現(xiàn)告訴我們什么？ 【學生討論回答】略。 【教師總結(jié)概括】地殼和宇宙間一切物質(zhì)一樣，處在不停的運動變化之中。那么地表千姿百態(tài)的形態(tài)是如何營造的呢？這就是我們這節(jié)課要解決的課題【板書】第四章：地表形態(tài)的塑造 第一節(jié)：營造地表形態(tài)的力量【提問】哪位同學能夠例舉營造地表形態(tài)的力量改變地表面貌的實例？ （學生討論、回答問題。教師在副板書上一一記錄。） 【過渡】營造地表形態(tài)的力量具體劃分有很多種，但歸納起來看可以劃分為兩種，即內(nèi)力作用和外力作用，首先我們來看一下內(nèi)力作用．【板書】一、內(nèi)力作用 【指導(dǎo)讀書】請大家閱讀教材Ｐ74第一段和案例1，思考：
人教版高中政治必修4世界是普遍聯(lián)系的精品教案
7、外來物種離開原生長地，由于天敵減少，在適宜的生態(tài)和氣候條件下瘋狂生長，危及本地物種的生存，導(dǎo)致物種的消滅和滅絕。這說明（）A.有些事物之間有聯(lián)系，有些事物之間不存在聯(lián)系B.事物聯(lián)系的條件不同，其引起的聯(lián)系的狀態(tài)也就不同C.原因和結(jié)果在一定條件下是可以相互轉(zhuǎn)化的D.聯(lián)系不僅存在于事物之間，而且存在于事物的內(nèi)部8．氣象學家洛倫茲提出，一只南美洲亞馬孫河流域熱帶雨林中的蝴蝶，偶爾扇動幾下翅膀?qū)е缕渖磉吙諝庀到y(tǒng)發(fā)生變化，引起四周其他系統(tǒng)的相應(yīng)變化，可能兩周后在美國的德克薩斯引起一場龍卷風?！昂?yīng)”表明A．事物的聯(lián)系具有必然性 B．事物的聯(lián)系具有直接性 C．事物的聯(lián)系具有普遍性 D．事物的聯(lián)系具有客觀性9、近年來，科學研究一再證明，世界各地不斷爆發(fā)的惡性傳染性疾病，絕大多數(shù)是因動物攜帶的病菌通過多種渠道傳人人體造成的。