高一英语必修三unit4知识点
高一英语必修三unit4单词知识点
高一英语必修三unit4单词知识点高一英语必修三Unit 4 单词知识点Unit 4单词部分是高一英语必修三课程的重要组成部分。
本单元的单词涵盖了各个主题和不同语法结构，掌握这些单词将有助于提高学生的词汇量和英语表达能力。
下面是Unit 4中一些重要的单词及其释义和用法。
1. device (n.) - a tool or machine that has been invented for a particular purpose.Example: The latest smartphone is an electronic device that can perform various tasks.2. remote (adj.) - situated far away; distant.Example: The village was located in a remote area, accessible only by hiking or helicopter.3. astronomy (n.) - the scientific study of the stars, planets, and other celestial objects.Example: My brother is studying astronomy at university and hopes to become an astrophysicist.4. challenge (n.) - a difficult task or situation that requires effort and determination to overcome.Example: Climbing Mount Everest was the biggest challenge of her life.5. vivid (adj.) - producing clear and strong mental images; lively and intense.Example: The photograph brought back vivid memories of our childhood.6. hardship (n.) - severe suffering or deprivation.Example: Many people in developing countries face daily hardships such as a lack of clean water and food.7. spectacle (n.) - a visually striking performance or display.Example: The fireworks display on New Year's Eve was a spectacular spectacle.8. accompany (v.) - go somewhere with (someone) as a companion or escort.Example: I will accompany you to the concert so that you don't have to go alone.9. theoretical (adj.) - based on or calculated through theory rather than practical experience.Example: The scientist presented a theoretical explanation for the phenomenon, but more research is needed to confirm it.10. significant (adj.) - sufficiently great or important to be worthy of attention; noteworthy.Example: The discovery of a new species in the rainforest is a significant breakthrough in the field of biology.11. ambitious (adj.) - having a strong desire and determination to succeed or achieve something.Example: She has always been ambitious and dreams of becoming a successful entrepreneur.12. visualize (v.) - form a mental image of; imagine.Example: Close your eyes and try to visualize a peaceful beach with clear blue water and palm trees.13. abundant (adj.) - existing or available in large quantities; plentiful.Example: The garden was filled with abundant flowers and plants of various colors.14. identify (v.) - establish who or what (someone or something) is.Example: The police were able to identify the suspect through fingerprint analysis.15. navigation (n.) - the process or activity of accurately and efficiently operating and controlling a ship, aircraft, or spacecraft.Example: The GPS system provides accurate navigation instructions to drivers, helping them reach their destinations.以上是Unit 4单词的部分知识点，希望对你的学习有所帮助。
高一必修三英语unit4知识点
高一必修三英语unit4知识点Unit 4: AdvertisingI. IntroductionAdvertising is a powerful form of communication used by companies to promote their products or services. In this unit, we will discuss various aspects of advertising, including different types of advertising, advertising techniques, and the impact of advertising on society.II. Types of Advertising1. Print AdvertisingPrint advertising refers to advertisements that are printed in newspapers, magazines, brochures, or any other printed materials. This type of advertising is effective in reaching a specific target audience and allows for detailed information to be provided.2. Broadcast AdvertisingBroadcast advertising includes television and radio commercials. It is a popular form of advertising as it reaches a wide audience and allows for audiovisual effects to create a lasting impact on viewers.3. Online AdvertisingWith the rise of the internet, online advertising has become increasingly prevalent. This includes display ads, search engine marketing, social media advertising, and video ads. Online advertising offers precise targeting and immediate feedback.III. Advertising Techniques1. Emotional AppealMany advertisements aim to evoke emotions in order to connect with the audience. By creating an emotional connection, companies hope to establish a positive association with their brand or product.2. Celebrity EndorsementsCelebrity endorsements involve well-known individuals promoting a product or service. This technique leverages the popularity and influence of celebrities to gain the trust and attention of consumers.3. Bandwagon EffectThe bandwagon effect is based on the idea that people are more likely to adopt a certain behavior or purchase a product if they believe others are doing the same. Advertisements often use phrases such as "Join the trend" or "Be part of the crowd" to create a sense of conformity.4. TestimonialsTestimonials feature real or fictitious individuals who provide positive feedback or personal experiences with a product or service. This technique aims to build trust and credibility with potential customers.IV. Impact of Advertising on Society1. ConsumerismAdvertising plays a significant role in promoting consumerism, creating a desire for material possessions, and shaping the way people perceive theirneeds and wants. This can lead to excessive consumption and unnecessary spending.2. Body ImageAdvertisements often present unrealistic and idealized body images, which can contribute to body dissatisfaction and low self-esteem, especially among young people. This can have detrimental effects on mental health.3. Cultural InfluenceAdvertising has the power to shape cultural norms and values. It can influence societal attitudes towards gender, race, and other social constructs. Therefore, responsible advertising is crucial to avoid perpetuating harmful stereotypes.4. Economic ImpactAdvertising fuels economic growth by stimulating demand for products and services. It provides employment opportunities within the advertising industry and contributes to overall economic development.V. ConclusionIn conclusion, advertising is a multi-faceted field that encompasses various types and techniques. While advertising has its advantages in promoting products and services, it also has significant effects on society. As consumers, it is important to be critical of the messages conveyed through advertising and make informed decisions. Likewise, companies have a responsibility to create ethical and socially responsible advertisements.。
高一英语必修三unit4的知识点
高一英语必修三unit4的知识点高一英语必修三Unit 4的知识点Unit 4 of the high school textbook for first-year English students focuses on the topic of Earthquakes. In this unit, students will be introduced to various aspects related to earthquakes, including their causes, effects, and ways to minimize damage. This article will provide an overview of the key knowledge points covered in Unit 4.1. Introduction to Earthquakes- Earthquakes are natural events that occur when there is a sudden release of energy in the Earth's crust, resulting in seismic waves.- The focus (hypocenter) refers to the point underground where the earthquake originates, while the epicenter is the point on the Earth's surface directly above the focus.- The magnitude of an earthquake is a measure of its size, which is usually determined using the Richter scale.2. Causes of Earthquakes- Earthquakes can be caused by tectonic plate movements, such as convergent, divergent, and transform boundaries.- Subduction zones, where one tectonic plate is forced beneath another, are particularly prone to producing powerful earthquakes.- Human activities, such as mining and the creation of reservoirs, can also trigger seismic events known as induced earthquakes.3. Effects of Earthquakes- Primary effects of earthquakes include ground shaking, surface ruptures, and tsunamis (ocean waves triggered by seismic activity).- Secondary effects may include landslides, fires, and the destruction of buildings and infrastructure.- Earthquakes can also lead to human casualties and displacement, as well as long-term economic and social consequences.4. Examining Earthquakes- Scientists use seismographs to measure seismic waves and record earthquake data.- The data collected allows them to determine the location, magnitude, and depth of an earthquake.- Earthquakes can be classified as foreshocks (smaller earthquakes preceding a larger one) and aftershocks (smaller earthquakes that follow the main shock).5. Earthquake Preparedness and Mitigation- Building codes and construction practices can help prevent or minimize damage caused by earthquakes.- Early warning systems can provide valuable seconds to minutes of advance notice, allowing people to take cover or evacuate.- Public education and awareness campaigns play a crucial role in ensuring communities are prepared for earthquakes.6. Case Studies- Unit 4 includes case studies on significant earthquakes from around the world, such as the 1906 San Francisco earthquake and the 2011 Tohoku earthquake and tsunami in Japan.- These case studies provide real-life examples of the causes, effects, and responses to earthquakes, offering students a deeper understanding of the topic.In conclusion, Unit 4 of the high school English textbook explores the topic of earthquakes. Through studying this unit, students will gain knowledge about earthquakes' causes, effects, examination methods, and ways to prepare and mitigate their impact. By understanding thesekey points, students will develop a greater awareness of earthquakes and their significance in our world.。
Unit4高一必修三知识点
Unit4高一必修三知识点高一必修三是学生们开启高中学习旅程的一门重要课程。
本文将对Unit 4的知识点进行逐一论述，帮助学生们更好地掌握这些内容。
第一部分：文化差异在Unit 4中，我们学习了不同国家和地区的文化差异。
当我们了解不同文化之间的差异时，能够更好地适应跨文化环境，增进友谊与合作关系。
比如，我们学习了东西方饮食文化的不同，西方人更偏好快餐，而东方人更偏好米饭和面食。
另外，我们也学习了不同国家的礼仪习惯，比如在中国，听到有人打嗝表示赞赏。
第二部分：教育体制教育体制也是Unit 4的一个重要内容。
我们学习了不同国家的教育体制，比如英国的公立学校与私立学校之间的差异。
在英国，私立学校更注重学生的个人发展和课外活动。
此外，我们还了解了美国的大学录取流程和加拿大的高中课程设置。
第三部分：旅游胜地Unit 4还介绍了一些世界著名的旅游胜地。
我们了解了埃及的金字塔，印度的泰姬陵，以及澳大利亚的悉尼歌剧院等。
通过了解这些旅游景点，我们不仅开拓了眼界，还能够更好地了解世界各地的文化和历史。
第四部分：地理环境与气候地理环境和气候是Unit 4中的另一个重要主题。
我们了解了不同国家和地区的地理特点，比如澳大利亚的大草原和亚洲的高山。
此外，我们还了解了不同地区的气候，比如孟加拉国的炎热潮湿和加拿大的寒冷冰雪。
了解不同地理环境和气候对我们的生活和文化有着重要的影响。
第五部分：全球问题最后，Unit 4还向我们介绍了一些全球问题。
例如，我们了解了全球变暖对地球环境和气候的影响，以及贫富差距对全球发展的影响。
了解这些全球问题不仅可以提高我们的环境意识，还能够促使我们思考如何为世界发展贡献自己的力量。
综上所述，Unit 4高一必修三的知识点涵盖了文化差异、教育体制、旅游胜地、地理环境与气候以及全球问题。
通过学习这些知识，我们可以更好地了解和适应不同的文化环境，增加自己的知识储备，培养环境意识和全球视野。
希望同学们能够努力学习并运用这些知识，为自己的未来发展打下坚实的基础。
人教版高一英语必修三 unit4 知识点复习总结
Book3 Unit41.astronomy n.天文学astronomer n.天文学家astronaut n.宇航员astrology n.占星学2.solar adj.太阳的，日光的lunar adj.月亮的3.system n.系统，体系，制度solar system 太阳系4.religion n.宗教（信仰）religious adj.宗教的5.theory n.学说，理论theoretical adj.理论（性）的6.practice adj.实践的▲Big Bang 宇宙大爆炸7.atom n.原子8.billion pron.&n.&adj.万亿，十亿billionaire n.十亿富翁9.globe n.全球，世界globally adv.全球的，世界上global adj.全球性的10.v iolentadj.暴力的，激烈的，强暴的violence n.暴力violate v.破坏domestic violent 家庭暴力violently adv.暴力地11.in time及时，终于in time for the busat one time 曾经，同时on time 准时in no time 立刻at a time 一次，每次at no time 决不all the time 一直at any time 在任何时刻at the same time 同时from time to time时不时地，偶尔ahead of time 提前take one’s time 从容不迫12.unlike prep.与...不同like vt./n.喜欢likely adj./adv.很可能（的）13.carbon n.碳▲nitrogen n.氮▲vapour n.水蒸气14.atmosphere n.大气层an atmosphere15.unlike prep.不同，不像adj.不同的be (un)likely to do16.harmful adj.有害的harm n./vt.伤害harmless adj.无害的17.exist vi.存在，生存existence n.存在，生存existent adj.存在的，尚存的18.p uzzlev.（使）迷惑/为难n.迷，难题puzzled/puzzling adj.19.biology n.生物学biologist n.生物学家biological adj.生物的20.reaction n.反应，回应react v.反应21.gentle n.温和的，文雅的gently adv.温和地，文雅地reach an agreement达成一致fortunately幸运的是got stuck 陷入nutrition guidelines 营养指南fundamental a.基本的，基础的fundamentalsn.基本原理/准则be fundamental to对于....是基础的▲presencen.出席，到场，存在22.presentadj.出席的，现在的▲dissolve v.溶解，解散dissolve into23.harmful adj.有害的harm n./v.有害harmless adj.无害的harmlessly adv.无害地harmlessness n.无害性，无恶意Abe harmful to BA cause/do harm to BA harm BThere is (no) harm in (sb’s) doing sth24.acid n.酸adj.酸的，刻薄的▲reaction n.反应，回应react v.反应in reaction to对...做出反应react to25.multiplyvt.（使）繁殖v.乘，增加multicultural adj.多元文化的multimedia adj.多媒体的multinationaladj.跨国的，多民族的26.chain n.链条a chain of一连串，一系列，连锁店27.oxygen n.氧▲shellfish n.水生有壳动物▲amphibian n.两栖动物▲reptile 爬行动物y eggs 下蛋▲dinosaur n.恐龙vt.+it+adj./n.+(for sb) to do vt.：make,think,consider,find,feel. ..A be+倍数+as+原级+as+B A be+倍数+比较级+than+B A be+倍数+the size/weight/ height/length/width+...+of B29.exist vi.生存，存在exist in 存在于...中exist on 靠...生存existence n.存在，生存come into exist产生、成立、开始存在existing/existentadj.现存的，现有的▲mammal n.哺乳动物30.give birth to 产生，分娩31.thus adv.因此，于是32.in one’s turn轮到某人，接着33.dioxide n.二氧化物carbon dioxide 二氧化碳34.in turn 依次，轮流by turns 轮流，交替turn in 交出，上交take turns to do sthturn in doing sth 轮流做... 35.prevent...from阻止，制止prevent/stop...(from)doing sth 阻止...做... protect...from...保护...不受...的侵害36.keep...from... 阻止...做... keep...doing sth 使...一直做... 37.p uzzle n.迷，难题v.（使）迷惑，使为难puzzle sb 使...迷惑/为难be puzzled by 被...迷惑puzzle about/over sth苦苦思索，仔细琢磨38.biology n.生物学biologist n.生物学家39.gravity n.重力40.satellite n.卫星41.gentle adj.温和的gently adv.温和地▲geologist n.地质学家geology n.地质学geography n.地理，地形42.physicist n.物理学家physically adv.身体地，物理地physics n.物理physical adj身体的，物理的. psychological adj.心理（学）的43.block out挡住光线▲extinct adj.灭绝的extinction n.灭绝，消失44.climate n.气候▲comet n.彗星45.crash v.碰撞，坠落46.spaceship n.宇宙飞船47.crashv.发出撞击声，（使）发出爆裂声，（使飞机）坠毁，（使汽车）猛撞vi.（公司等）倒闭，（股票）暴跌，（计算机等）死机，崩溃crash inton. 【常做单数】哗啦声，撞击声，爆裂声，碰撞（事件），（飞机）坠毁，暴跌，（计算机等的）崩溃48.pull v.拖，拉，拔出，抽出，（使）（车船等）移动，吸引pull-up 拉push-up 推pull away 驶离，离开pull down 把...往下拉，拆毁pull in/into（列车等）进站，（汽车等）靠边停下pull up使（车等）停下pull out（列车等）出站，拉出pull through（使）恢复健康/渡过难关▲lesson v.减少，减轻49.cheer up感到高兴，感到振奋cheer sb up 使某人振奋起来cheer sb on 为某人喝彩/加油49.f loat v.（使）浮动，漂浮n.漂浮物▲weightlessly adv.失重地▲cabin n.小屋，船舱51.now that既然52.get the hang of熟悉，掌握，理解53.break out突发，爆发break through 突破break up解散，结束，放假，分手break into 破门而入break down 出故障，失败break in 打断，插话。
高一英语必修三 Unit4知识点总结
必修三Unit4 知识点整理B. Expressions1. in time 及时，终于，迟早，最后on time 按时，准时all the time 一直，总是 at times 偶尔，有时at one time 曾经，一度 at a time 每次，一次at no time 在任何时候都不 kill time 消磨时间take one’s time 不着急，慢慢来 in no time 立刻，马上2. violent crime/behavior 暴力犯罪/行为violent storm 暴风雨 do violent to 对…施暴with violence 强烈地，暴力地3. be fundamental to 对…至关重要4. be harmful to = do harm to 对…有害there is no harm in doing sth. 不妨做某事5. multiply v.乘，迅速增加 multiply A by B A乘以B add v.加 plus prep. 加上subtract v.减 minus prep. 减去divide v. 除 times prep. 乘以6. exist in 存在于…中 exist on 靠…为生come to existence/being 形成，出现 be existence 存在7. give birth to 分娩 be of good birth 出身名门8. in one’s turn 轮到 by turns 轮流地in turn 依次，轮流 take turns to do sth. 轮流做某事9. prevent…(from) doing 阻止…做stop sb. (from) doing sth. keep sb. from doing sth.10. be in puzzle 感到困惑puzzle about/over 仔细琢磨11. break up 解散，破碎 break out 突发，爆发break down 出故障 break in 闯入，插话break into 强行进入 break one’s heart使心碎break out of摆脱，逃出 break up into分成，分解12. solid n. “固体”adj. “固体的，坚固的；实心的，纯的，牢靠的，立体的”。
人教新课标高中英语必修三Unit4
人教新课标高中英语必修三Unit4人教新课标高中英语必修三Unit4的主题是“自然奇观”，这个单元将带领学生探索世界各地的自然美景，了解它们的特点及其对人类的意义。
以下是该单元可能包含的内容：词汇学习- 重点词汇：natural wonder, landscape, phenomenon, volcanic, eruption, terrain, climate, ecosystem, biodiversity, conservation, etc.- 短语搭配：natural beauty, geological formation, unique feature, environmental protection, etc.语法点- 条件状语从句：学习如何使用if/unless等词引导条件状语从句，表达不同条件下可能发生的结果。
- 现在完成时：了解现在完成时的构成和用法，表达过去的动作或状态对现在造成的影响或结果。
阅读理解- 文章一：介绍世界著名的自然奇观，如中国的张家界、美国的大峡谷等，以及它们形成的原因和特点。
- 文章二：探讨自然奇观对当地经济和文化的影响，以及如何平衡旅游发展和环境保护。
听力练习- 听力材料一：一段关于某个自然奇观的介绍，包括它的地理位置、形成过程和主要特色。
- 听力材料二：一个访谈节目，讨论人们如何保护自然奇观，避免过度开发和环境污染。
口语练习- 角色扮演：学生分组进行角色扮演，一组扮演旅游公司的代表，另一组扮演环保组织的成员，讨论如何在保护自然奇观的同时发展旅游业。
- 讨论：学生就如何提高公众对自然奇观保护的意识进行小组讨论。
写作训练- 写作任务一：写一篇关于你最喜欢的自然奇观的短文，描述它的特点、你的感受以及你认为如何保护它。
- 写作任务二：写一封建议信，向当地政府提出保护某个自然奇观的建议和措施。
文化角- 介绍不同文化中对自然奇观的理解和尊重，以及它们在不同文化中的象征意义。
高中英语必修三第四单元知识点总结
高中英语必修三第四单元知识点总结高中英语必修三第四单元知识点总结第四单元 1）solid 作名词，表示“固体”。
作形容词，表示“固体的，坚固的；实心的，纯的，牢靠的，立体的”。
be in solid with sb受某人的重视，与某人关系很好。
feel solid about sth对某事心里有底。
2）explode 表示“爆炸，（感情）迸发，迅速增加”。
explode with/into sth冲动，激动。
3）surface 作形容词，表示“表面的，水面的”。
作名词，表示“水面，表面，外表”。
on the surface在表面上，在外表上。
作动词，表示“加表层，重新出现，睡醒”。
4）dissolve 表示“溶解，融化，分解”。
表示“解散，解除，消除”。
5）multiply 表示“乘”，multiplyA by B表示“A 乘以B”。
表示“繁殖，增加”。
6）generally 表示“一般地，通常地”，可以放在谓语动词之前或者系动词之后。
generally speaking表示“一般来说，总的来说”常放在句首作状语。
7）spread 表示“伸展，展开，传播”。
spread…with… 把……铺在……上，把……涂在……上。
spread…on… 在……涂抹……。
spread oneself伸展四肢仰卧，夸夸其谈。
spread one’s net布下落网。
8）prevent 是动词，后面可以直接跟宾语。
prevent…from…阻止，制止。
from可以省略。
9）depend depend on/upon依靠，依赖，取决于。
it（all）depends，that depends表示“看情况而定”，单独使用，或用于句首。
10）exist 表示“生存，存在”。
exist in 存在于……中。
exist on，exist by都表示“靠……生活”。
但exist o后的宾语通常指食物，收入，薪金。
人教版高一英语必修三 Unit 4 Space Exploration
Lesson 1 Listening and Speaking Talk about how to
become an astronaut
Learning objectives
At this class, you will be able to
4. To become an astronaut in China, you have to have 1,350 hours of flying experience.
Mr Yang: Sure, I had 1,350 hours of flight experience, which I think really helped me.
Listen and Check
• Listen to the specific sentences and find out the differences.
2. Mr Yang always believed that he would become an astronaut one day.
• Listen to the interview and tick the correct statements.
4. To become an astronaut in China, you have to have 1,350 hours of flying experience.
5. Astronauts not only had to learn how to use space equipment, but also had to do a lot of mental and physical training.
高一英语必修三unit4知识点
高一英语必修三unit4知识点Unit 4: A Healthy LifeIntroduction:In the first year of high school, students study a variety of subjects to build a strong foundation for their academic journey. One of the essential subjects is English, which helps students develop their language skills. In this article, we will focus on the key knowledge points of Unit 4 in the English textbook for Grade 10.1. Health and Lifestyle:In this unit, students learn about the importance of maintaining a healthy lifestyle. They explore the factors that contribute to a healthy life, such as balanced nutrition, regular exercise, and adequate rest. Students also study the harmful effects of smoking and excessive alcohol consumption on our well-being.2. Healthy Eating Habits:Unit 4 emphasizes the significance of healthy eating habits. Students learn about the main food groups and their nutritional values. They explore the benefits of consuming a well-balanced diet, which includes fruits, vegetables, grains, dairy products, and protein-richfoods. Furthermore, students are encouraged to limit the intake of processed foods and sugary beverages.3. Physical Fitness and Exercise:Staying physically active is crucial for maintaining good health. In this unit, students are introduced to various types of exercises, such as cardio workouts, strength training, and flexibility exercises. They learn about the positive impacts of exercise on our cardiovascular system, muscle strength, and mental well-being. Additionally, students are encouraged to engage in sports and physical activities regularly.4. Stress Management:Unit 4 also covers the topic of stress and its impact on our health. Students learn about different stressors and develop strategies to cope with stress effectively. They explore relaxation techniques such as deep breathing exercises, meditation, and engaging in hobbies to reduce stress levels. The importance of a good work-life balance is also emphasized.5. Health-Related Vocabulary and Expressions:Throughout Unit 4, students expand their vocabulary and expressions related to health and lifestyle. They learn words andphrases to describe physical and emotional states, common illnesses, symptoms, and treatment methods. Students practice using this vocabulary in various conversation activities and writing assignments to improve their language skills.Conclusion:Unit 4 of the Grade 10 English textbook focuses on promoting a healthy life among students. By learning about nutrition, exercise, stress management, and health-related vocabulary, students can develop habits that will contribute to their overall well-being. By understanding the importance of a healthy lifestyle at a young age, students are better equipped to make informed choices about their health in the future. As they progress in their English language learning journey, students will continue to build upon these essential knowledge points and apply them to their daily lives.。
高中英语人教版必修三第四单元基础知识点(笔记版)
Unit 4system 系统，体系solar system 太阳系 government systems 政府体系interest vt. 使⋯感兴趣常用： Sth. interest Sb. interested adj. 感兴趣的interesting adj. 令人感兴趣的 eg: What he said interestedall of us.We are interested in the interesting story.1.根据一个普遍接受的理论，宇宙起源于一次大爆炸，这次大爆炸把物质射向四面八方。
（背过）a widely accepted theory,the universe started with ⋯ .throw matter in all directions.世界上独一无二的东西，前面加定冠词 the, 例如： the sun, the moon, the earth, the university, the world. 但是名词前若有 adj 修饰，一般用不定冠词 a/an 。
例如：There is a big moon in the sky.Start/begin with 以⋯开始；to start/begin with首先=first of allwide adj.&adv. Wide 做副词表示具体的宽 He lay here, with his eyes wide open./wide awake.widely adv. 修饰抽象的广泛的The book is widely read. Direction 表示方向常和 in,from 搭配。
从某个方向用 from, 朝某方向用 in.in all directions 四面八方in the opposite direction 朝相反的方向例如： The woman went to thedirection from which shecame.这个女士走向她来的方向。
高一英语必修三知识点总结Unit4
高一英语必修三知识点总结：Unit4Unit 4 Astronomy: the science of the stars1. be fundamental to…对……是基本的，必需的This is fundamental to a true understanding of the book. 这对真正理解这本书十分重要。
2. in sb’s presence 当着或人的面，有或人在场She asked them not to discuss the matter in her presence. 她要求他们不要当着她的面讨论这个问题。
3. be harmful to…对……有害的= do harm to…The air here is harmful to our health. 这里的空气对我们有害。
4. There is no harm in doing sth. 不妨做某事= It does no harm to do sth.He may not be able to help but there’s no harm in asking him. 他可能帮不了忙，但是求他一下倒也无妨。
5. exist on…靠……保留= live on…They exist on very little food. 他们靠极少的食物保留。
6. exist in…存在于……中Several people believe the Devil exists in the world. 少数人认为世界上存在恶魔。
7. in a puzzle 不知如何是好，很迷惑I am in a puzzle about what he said. 我对他说的话迷惑不解。
8. in time1)迟早;最后 = sooner or later; eventually2)及时;不迟 = not lateYou’ll learn how to do it in time. 你早晚能学会做这件事的。
高一英语必修三unit4第四单元知识点
高一英语必修三unit4第四单元知识点词汇部分wildlife /'waildlaif/ n.野生动植物protection /pr?'tek?n/ n.保护wild /waild/ adj.野生的；野的；未开发的；荒凉的habitat /'h?bit?t/n.栖息地（动植物的）自然环境threaten /'θret?n/ vt. & vi.恐吓；威胁decrease /di'kri:s/ vi. & vt.减少；（使）变小；或变少endanger /in'deind??/ vt.危害；使受到危险die out 灭亡；逐渐消失loss /l?s/ n.损失；遗失；丧失reserve /ri'z?:v/ n.保护区hunt /h?nt/ vt. & vi.打猎；猎取；搜寻zone /z?un/ n.地域；地带；地区in peace 和平地；和睦地；安详地in danger (of) 在危险中；垂危species /'spi:?i:z/ n.种类；物种carpet /'kɑ:pit/ n.地毯respond /ri'sp?nd/ vi.回答；响应；做出反应distant /'dist?nt/ adj.远的；远处的fur /f?:/ n.毛皮；毛；软毛antelope /'?ntil?up/ n.羚羊Zimbabwe /zim'ba:bwei/ n．津巴布韦(非洲东南部国家)relief /ri'li:f/ n.（痛苦或忧虑的）减轻或解除；减轻痛苦的事物in relief 如释重负；松了口气laughter /'lɑ:ft?/ n.笑；笑声burst into laughter 突然笑起来；大声笑了出来mercy /'m?:si/ n.仁慈；宽恕；怜悯certain /'s?:tn/ adj.确定的；某一；一定importance /im'p?:t?ns/ n.重要（性）WWF (World Wildlife Fund) 世界野生生物基金会rub /r?b/ vt.擦；摩擦protect … from 保护……不受……（危害）mosquito /m?'ski:t?u/ n.蚊子millipede /'milipi:d/ n．(=millepede)千足虫insect /'insekt/ n.昆虫contain /k?n'tein/ vt.包含；容纳；容忍powerful /'pau?fl/ adj.强大的；有力的affect /?'fekt/ vt.影响；感动；侵袭attention /?'ten?n/ n.注意；关注；注意力pay attention to 注意appreciate /?'pri:?ieit/ vt.鉴赏；感激；意识到succeed /s?k'si:d/ vi.成功vt.接替；继任Indonesia /ind?u'ni: ??;-zi?/ n．印度尼西亚(东南亚岛国) rhino /'rain?u/ n.犀牛secure /si'kju?/ adj.安全的；可靠的income /'i?k?m; 'ink?m/ n.收入employ /im'pl?i/ vt.雇用；利用（时间、精力等）harm /hɑ:m/ n. & vt.损害；危害Milu deer麋鹿bite /bait/ vt. & vi.(bit,bitten) 咬；叮；刺痛extinction /ik'sti?k?n/ n.灭绝；消亡dinosaur /'dain?s?:/ n.恐龙come into being 形成；产生county /'kaunti/ n.县；郡inspect /in'spekt/ vt.检查；视察unexpected /?nik'spektid/ adj.没料到的；意外的incident /'insid?nt/ n.事件；事变dust /d?st/ n.灰尘；尘土；尘埃according to 按照；根据……所说Mauritius /m?'ri??s/ n．毛里求斯(非洲东部岛国) disappearance /dis?'pi?r?ns/ n.消失fierce /fi?s/ adj.凶猛的；猛烈的so that 以致于；结果ending /'endi?/ n.结局；结尾faithfully /'feiθf?li/ adv.忠诚地；忠实地Colobus /'k?l?b?s/ monkey (非洲产)疣猴，髯猴词组部分1. as a result结果As a result of= because of 由于result in = cause导致result form 由于2. die out （动，植物物种）灭绝die o 死于…（多内因）die from死于…（多外因）die dow变弱；逐渐消失 be dying for 渴望得到…3. be at a loss = be puzzled at =be confused迷惑的，不解的suffer a loss (of) 蒙受损失 make up for a loss 弥补损失be lost in one’s thought(陷入沉思) lose heartlose one’s heart to sb4.in peace 平静的（地）；安静的（地）in silence/ in quiet/in surprise/in a hurry5.hunting for搜索; 搜寻6.be in danger of 有… 危险be out of danger脱离危险endangered adj. 濒危的 dangerous 危险的7.have / give an effect on / upon …take effect(生效)come / go into effect 生效；实施8.be concerned about担心.关心，挂念 9. get dressed穿上衣服get done强调动作，不能和表一段时间的状语连用;be done 表状态10.turn round : 转过去，围绕…旋转11.apply to应用be applied to被应用于apply for请求,申请….. apply to sb. for sth.12.protect ……from保护…..免受….危害prevent from阻止（stop/ keep from）13.have aeffect on对...有影响14.with a sad face looking at her. with + 宾语(O) + 宾语补足语/doc/dd5261298.html,e into being: 形成；产生；开始存在come into use：开始被使用come into one’s mind / head: 突然想到come into fashion: 开始流行come into consideration: 开始考虑必背知识点1. If the ir habitat is threatened or they can’t find enough food, their numbers may decrease. 如果他们的栖息地受到威胁或者他们找不到足够的食物，他们的数目就可能减少。
(完整版)人教版高一英语必修3UNIT4知识点总结
ll die out
block out
crash into
dozens of
fall back to
A cheer up
twice as far as fall over
now that get the hang of
step forward break out pay attention to
watch out be make up of
r 单词积累：existence n.存在，生存 existing adj.现存的，现行的
fo 拓展：come into existence /being 形成，出现 in existence 现存的；存在的
disappear
spaceship
force
escape
e pull
lessen
float
weight
painful
frightening
th amazed
increase
exhausting
structure theory
situation
in crash
Phrases:
gs in all directions
billion dust solid
d globe
violent
explode
carbon
vapor
nitrogen
o produce
atmosphere
appear
surface
unlike
obvious
go fundamental
presence
dissolve harmful
acids chain
subtract v.减；减去；扣除 minus prep.减去
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in chains grow into for the first time in the past give birth to in one's turn prevent ...from depend on as a result of
习题练习：
In a room above the store, where a party __A___,some workers were busily setting the table.
常用例子
名词词组常见例子： no wonder/an honour/a good thing/a pity /no surprise/a fact 不及物动词常见例子： seem/turn out/appear/happen
习题练习二
It is not immediately clear _D____the
我的确不知道他们能否按时完成任务。
eg：Whether it is fine or not,we'll go to grandma's this weekend.
不管天气好不好，这个周末我们都要去 奶奶家。
in time 及时，迟早
at no time at one time in no time all the time kill time keep time at a time at times take one's time on time
Unit Four
by Show
system
系统，制度 计划，方法 条理，秩序
eg：你想要成功生活就要有条理。 You need some system in your life if you want to succeed.
扩展: systematic系统的
习题练习：
Her shoes __D___her dress;they look very well together.
绝不 曾经，一度 立刻 一直 消磨时间 （钟表）走的准 每次 有时，常常 从容进行 按时
prevent...from阻止
eg：什么也不能阻止他回家。 Nothing can prevent him from going home. 扩展： save sb.from sth救助某人于某事 free sb. from是某人免受 defend sb. from保卫某人免受 protect sb. from保护某人免受 prohibit sb.from禁止某人做某事
according to widely accepted begin with in all directions a cloud of in time to do sth. cool down on the surface of be foundamental of
语法
习题练习一
It is uncertain__B___side effect (副作用)the
medicine will bring about,although about two thousand patients have taken it. A.that B.what C.how D.whether
根据某种迹象近期即将发生
习题练习：
__B___we'll go camping tomorrow depends
on the weather. A.If B.Whether C.That D.Where
Whether...or not
用以表示两种非此即彼飞的可能性
eg：I really don't know whether they are able to finish the task on time or not.
If it were to rain tomorrow,we would stay at home.
区别:
be to do sth.侧重预先安排的计划或约定 be about to do不与将来时间连用 be doing仅限少量动词 （go/come/leave/start/begin/） be going to指现在打算或将来要做的事情
区别： 1、但提出两种选择或与or not连用，常用whether 2、若宾语从句为否定结构，用if，不用whether 3、discuss后只能用whether 4、whether可用在介词之后，或带to不定式前，
而if不可以 5、whether可引导主、表、同从句，而if不能
A.was to be held B.has been held C.will be held D.is being held
be to do sth.
表示注定要发生的事情 表示“应当，必须做某事” 用于将来事实相反的虚拟语气中 eg：所有这一切都要偿还的。（answer for）
All these things are to be answered for. eg：如果明天下雨的话，我们就呆在家里。
pull 托，拉，拔
pull out of pull down pull up pull apart pull away pull in pull off pull on pull over
拔出，取出 拆毁 停下 拉开，使某人不开心 开走，驶离 到站，进站 匆忙脱衣、鞋 随便穿上 在路边停下
A.suit B.fit pare D.match
match
与...相似 相等 相配 比较： match&suit&fit match：强调从整体上的匹配及搭配效果； suit：指颜色、款式、时机、口味等的适合； fit：侧重尺寸 ，大小
Reading Part 1
Reading Part 2
have a chance to explain to be off make a trip push...back into fall back into cheer up be far from come on
step forward now that get the hang of enjoy oneself break out fall over
It is obvious to the students__D___they
should get well prepared for their future. A.as B.which C.whether D.that
语法提炼1
that 引导的主语从句 （1）It +be+adj.+that 从句 eg：It is obvious that ... （2）It+be+n.词组+that从句 eg：It is a pity that... （3）It+be+过去分词+that从句 eg：It was reported that... （4）It+不及物动词+that从句 eg：It happened that...
financial crisis will soon be over. A.since B.what C.when D.whether
语法提炼2
whether/if引导的主语从句
（如果引导it形式主语，if可引导主语，放在句末；如果从句放在 句首，不用if，而用whether引导）