科技英语视听说复习提纲(完整版).pptx
科技英语基础知识二PPT课件
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a≡b a∶b x2 x3 Z-10 xn
x 3x nx 5 x2
a is equivalent to b a to b x squared, the square of x, the second power of x x cubed, the cube of x, the third power of x Z to the minus tenth power the nth power of x, x to the power of n, x to the n the square root of x, root x the cube root of x the nth root of x the fifth root of x square
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logab
dn y dx n
b
na!
|x|
xx'
f(x) y=f(x)
log b to the base a the nth derivative of y with respect to x integral between limits a and b factorial n the absolute value of x the mean value of x, x bar x prime function f of x y is a function f of x
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2.3 常用前缀和后缀
记忆生词有很多方法, 如: (1) 利用音、形、义相结合来记(初学阶段)。 (2) 博览强记。 (3) 循环记忆。 (4) 把生词放在语句中来记忆, 利用词与词的联系来记忆。
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(5) 利用构词法来记忆, 有三个优点: ① 便于掌握单词的词性, 这对句法分析十分重要; ② 有利于了解单词的来历及其新添的含义, 当我们悟到一个新单词是由以前 熟知的单词变化而来的时, 便对这个新单词不再感到生疏; ③ 今后我们学到一个单词, 就可以旁征博引, 顺藤摸瓜, 联想到一系列同根词, 便于巩固记忆, 同时扩大了单词拥有量。
英语视听说PPT课件
写在最后
成功的基础在于好的学习习惯
The foundation of success lies in good habits
22
谢谢大家
荣幸这一路，与你同行
It'S An Honor To Walk With You All The Way
讲师：XXXXXX XX年XX月XX日
23
Success formula
Group 11
1
Success= Goal
+knowledge +opportunity +perseverance
2
The success formula
Goal
Goal is the lighthouse on the way to success for everyone.
Nothing is more terrible than living
without a goal in the world ,said Goethe(歌德)
If you have a goal in your heart, you will know what to do and how to do, you will be filled with power and energy, which drive you to struggle all the time .
11
What is knowledge?
Knowledge is power!
12
Please learn more knowledge.There are lots of benefit to hold more knowledge. And you should know how to use them ,then the knowledge will help you to succeed.
英语视听说ppt 科技的影响
A long time ago, the human society was still in the prehistoric civilization, there was no machine, no electricity even no fire.Human and animal almost no difference.For the needs of survival , human begin to use some simple tools to capture the animal to maintain life
More and more ...
Every coin has two sides
Technology also has disadvantages . When technology makes our daily life more and more convenient , it also mean more environmental pollution and more energy be used .
It can be used in construction industry
the lasers also can use the accuracy to guide the missiles.
"the brightest light"
As a kind of light ,it also can be used to lighting . This kind of flashlight concentrated energy to illuminate surroundings better.
Chapter1科技英语专业知识课件PPT
01
Overview of Science and Technology English Major
Definition of Science and Technology English Major
Summary writing skills
Identifying key information
Ability to select the most important ideas and details from a text and organize them into a coherent summary.
and the ability to explain them clearly.
03
Avoiding ambiguity
Ability to avoid ambiguity when using technical terms by
providing clear definitions and examples.
• Formatting and style: Adherence to specific formatting guidelines (e.g., APA, MLA) and maintenance of a consistent style throughout the paper.
• Organization and structure: Clear organization of ideas into logical sections with appropriate headings and subheadings, and use of transitional phrases to facilitate the reader's understanding.
2020年整理科技英语视听说复习提纲(完整版).pdf
科技英语视听说复习提纲Lesson 1The Private Life of Plants 11、What problems do plants have to face throughout their lives so as to survive?(1)Fight seasons (2)compete for mates (3)invade new territories2. Are fungi plants? What do fungi produce?Fungi produce spores which are similar to seeds.3. How do the seeds of dandelions fly?A special apparatus is needed by the seeds of dandelions to fly. Each seed of the dandelion is fitted with its own individual parachute.The Private Life of Plants 21. What is the begonia’s secret of surviving on the dim forest floor?The secret of begonia surviving on the dim forest floor lies in its leaves which undersides is red.2. How do leaves reduce the problem of water lying on their surface?There are four ways.The first one is that the leaves are tough enough to withstand the pounding of water. The second one is that the leaves have gutters to carry away the water.The third one is leaves have pointed tips at the end so as to drain water rapidly.The last one is that leaves have the dense hairs to keep their pores free.3. What is the dramatic solution a sensitive mimosa possesses to defend itself?One touch can make the leaves fold, another tap can make it flop to the ground.Global Warming1. What are the three factors causing the collision between our civilization and the earth?(1)population (2)our way of thinking(3)the scientific and technological revolution.2. How to balance the economy and the environment?(Open-Ended Question)3. What should we do to solve the climate crisis to secure our future or to save our planet Earth?(Open-Ended Question)Big Freeze1. What might be the major cause of the Big Freeze?The major causes of the big freeze are volcanic eruptions, global warming and changes in the ocean currents.2. Please name the five ways mentioned in the state of the planet that we care affecting life’s diversity on Earth.(1)over-harvesting (2)the introduction of alien species(3)the destruction of habitats (4)islandisation (5)pollution.Journey of Life 11. What is national selection?Any trait that increases the possibility of youngster surviving will be passed on in its genes.2. There is an enormous variety of life on the planet, how did life begin?The single-cell living things began at 3 billion years ago. The cells pulling together like jelly fish began at 670 million years ago. The animals’ so ft bodies turned hard like snails began at around 570 million years ago.3. Where did all life begin, and why?All the life begins in the sea .Because in the sea, the temperature hardly changes and the water can protect against the pull of gravity and the burning sun.Journey of Life 21. What are the good reasons for life to get into the air?There are three reasons.The first is that wings provide animals with extra strike power.The second is that flying is fastest and most efficient way to travel.The last one is that it allows animals to find food, explore territory or escape from danger.2. Why do we say caterpillars are munching machines?Because their only purpose is to eat and grow, they can balloon to incredible 2000 times their starting weight.3. Why do we say that the predators and prey are locked in an intense relationship? When predators find better ways to catch and kill, and preys have to improve their self-defense. That is to say, neither predators nor preys can afford to be left behind.Lesson 6Phobias1. What is phobia?Fear plays a vital part in our survival, when fear gets out of control, we call it phobias.2. What is the percentage of people with phobias?Ten percent people with phobias.3. Do we inherit specific phobias from our parents?No, we don’t.Discussion 2Journey to the Center of the Planet1. How does a sea turtle know its location and navigate its way around the earth? It’s based on the earth’s magnetic field.2. What was found at the bottom of the ocean in 1985 by some scientists?Shrimps which can live in boiling hot water a nd live without sun’s energy were found in 1985.Secret of Sexes1. What are the differences between men and women?Men are more things-oriented while women are more people-oriented.2. What are the two reasons for the marriage to end in divorce?The first reason is you are unfaithful to your spouse, the second reason is constant argue.3. Why people say “love makes people blind”?The reward system floods with feeling good chemicals, while another part of the brain, which is used for critical thinking, switches off.Great Wildlife Moments1. Why do red crabs head for the shore to spawn?Because the red crabs are unable to raise their young on land, so they have to trek several kilometers to the sea, their ancestral home.2. How does the Aurora australis occur?The Aurora australis occurs when subatomic particles traveling through space enter the Earth’s magnetic field.3. How can an eagle eat a tortoise?An eagle flies to find a favorite site, gain its height, lets the tortoise go.Lesson 9The Sun and the Moon1. Why all life on Earth owes its existence to the sun?The sun powers every natural system and sustains every plant and animal. Without the Sun, the Earth would be a barren, lifeless ball of rock.2. What is the sun made of?Over 90% of the sun is made of hydrogen.3. What is the impact of the full moon on sea creatures and on human beings?In the ocean the full moon’s bright light is a mating call for sea creatures. Most women get their menstrual period at the day of full moon.Discussion 3The Human Mind1. How can you tell a person’s smile a fake one?You just watch the lines around his/her eyes.(1)movement of one’s mouth (2)muscles around one’s eyesAlien Contact1. If one day alien species come to Earth, what’s the narrator’s ho pe?The narrator’s hope is that they’ll come in peace.鱼知水恩，乃幸福之源也。
科技英语视听说复习提纲-修正版
●The Private Life of Plants (1)1. dock（植）羊蹄2. hazel榛子3. foxglove毛地黄4. bramble悬钩子5. earth-star地星6. bird-cage plant角叶月7. wood anemone 银莲花8. spore孢子9. puffball马勃菌10. dandelion蒲公英2. Why we human beings are seldom aware of the dramas happening to plants?We and plants live on a different time scale.（时间指标）3. When we condense（浓缩）3 months into 20 seconds, what dramatic changes of plants can we see?The desolation（荒芜）of winter quickly warms into the riot（蔓延、暴动）of spring.4. Why do bird-cageplants travel to find a new place?The desert dunes（沙丘）are always moving and a sheltered（受保护的）site can suddenly become intolerably（无法忍受地）exposed.7. How do the seeds of dandelions（蒲公英）fly?A special apparatus（器官）is needed by the seeds of dandelions to fly. Each seed of the dandelion is fitted with its own individual parachute（降落伞）.●The Private Life of Plants (2)1. canopy天蓬2. fern羊齿（植物），蕨3. pore气孔4. sapling 树苗5. chestnut栗子6. sycamore枫树,美国梧桐7. larch落叶松8. ▲begonia秋海棠9. chlorophyll叶绿素10. photosynthesis 光合作用11. mimicry拟态12. shrivel枯萎13. pebble鹅卵石14. gravel碎石，沙砾15. nectar花蜜16. caterpillar毛毛虫17. bogus假的18. passion flower西番莲19. mimosa含羞草20. carnivorous plants食肉植物4. What will happen to leaves if water lies on their surface?It clogs up the pores（气孔）.6. Name the examples given in this episode to explain how plants use mimicry（拟态）to defend themselves?Pebble plants.（卵石植物）Passion flowers.（西番莲）7. What is the dramatic（戏剧性的）solution a sensitive mimosa（含羞草）possesses to defend itself?One touch makes it fold its leaflets（小叶）;another tap makes it flop to（落下）the ground. 8. Name the carnivorous plants given in this episode?Flytrap（捕蝇草）Pitcher plants（猪笼草）●Journey of Life (1)~ (2)★Program One: Life in the Sea1. bizarre奇异的2. predator 捕食者3. gill slits 腮裂4. amniotic fluid羊水5. embryo 胚胎6. mayhem 大灾难，破坏，混乱7. cauldron 大锅，大汽锅8. haven 避风港9. lethal 致死的10. jellyfish 水母1. All living things have to fight to survive. Who can survive then?Only the best suited individuals can survive—it’s known as “Survival of the fittest”5. There is an enormous variety of life on the planet. How did it come about?3 billion years ago—single-cell living things670 million years ago—cells pulling togetheraround 570 million yeas ago—animals soft bodies turned hard★Program T wo: Life on Land1. alien 外星人2. dinosaur恐龙3. buoyancy 浮力4. kelp海带5. ▲arthropod节肢动物6. armor 盔甲7. burrow （兔子、狐狸等的）洞穴8. louse 虱子9. vertebrate 脊椎动物10. fin 鳍1. What was the planet Earth like 500 million years ago?No shade，no ozone layer to shield us from the solar radiation .Y ou could fry or freeze in the same day.2. Where did all life begin? And why?In the sea .Because in the sea where temperature hardly changes and where water protects against the pull of gravity （重力）and the burning sun.★Program Three: Life in the Sky1. sprout 发芽2. flap 振动翅膀3. bask 晒太阳4. tendon 腱，筋5.▲larva 幼虫6. jackpot意外的成功7. swamp 沼泽8. swat 用劲打击，重拍9. munch 猛吃，用力咀嚼10. gorge狼吞虎咽3. What are the good reasons for life to get into the air?Wings provide animals with extra strike power ,flying is the fastest ,most efficient way to travel .It allows you to find food ,explore new territory（领土）or escape from danger.4. What are the two explanations as to how insects sprout wings?One explanation is that insects love to sunbathe .The other is that it may have started in water.★Program Four: Living T ogether1. huddle拥挤2. spawn卵3. engulf 吞4. cricket 蟋蟀5. mantis 螳螂6. orchid 兰花7. raven大乌鸦8. lurk 潜伏9. foil 阻挠10. bluff 吓唬，故弄玄虚3. Why do we say that the predators（食肉动物）and prey（被捕食的动物）are locked in an intense relationship?Because when predators find better ways to catch and kill ,their prey has to improve theirself-defense .That is to say ,neither can afford to be left behind.5. How do fieldfares（田鸫）drive a hungry raven（乌鸦）away from their chicks（小鸡）? By dropping “bombs”●Secrets of the Sexes1. ▲saliva 唾液2. bloke 家伙，小子3. pathetic 十分差劲的4. petty 不重要的5. daft 愚笨的，癫狂的6. leisure complex休闲娱乐中心7. trivia 小事8. to place sb. on a pedestal崇拜，供奉9. flounder 挣扎10. infidelity 不忠1. What are the differences between men and women?Men are more things oriented while women are more people oriented.4. Why people say “love makes people blind”?The reward system floods with feeling good chemicals ,and another part of the brain used for critical thinking switches off（关掉）.●Great Wildlife Moments1. oil slick 浮油2. biomass 生物3. feast筵席4. shoal 狂热5. frenzy 狂怒，狂暴6. gully 水沟7. trek旅行8. perilous 非常危险9.▲phosphate 磷酸盐10. carnage 大屠杀，大量灭绝11. pouch 育儿袋，小袋12. Aurora australis南极光13. recede 后退，减弱14. sleek 皮毛光滑的15. rookery 群栖的16. roller coaster过山车17. droplet小滴18. bide 等待，居住19. ingenious有独创性的，机智的，心灵手巧的20. clearing 空地1. What consists of the caravan（旅行队）of hunting sardines（沙丁鱼）?Cape gannets（塘鹅）,sharks ,dolphins and whales .2. Why do red crabs （里澳洲圣诞地蟹）head for the shore to spawn（产卵）?Because they are unable to raise their young on land.5. How does the Aurora australis（南极光）occur?The Aurora australis occurs when subatomic particles（亚原子粒子）traveling through space enter the Earth’s magnetic field（磁场）.●An Inconvenient Truth1. infrared radiation远红外线2. culprit犯人3. vulnerable 易受伤的4. varnish清漆5. lukewarm ，不热心的，微温的6. pixel像素7. smallpox 天花8. polio 脊髓灰质炎，小儿麻痹症9. devastate 摧毁10. apartheid种族隔离1. What are the three factors causing the collision between our civilization and the earth? The scientific and technolical revolution.PopulationOur way of thinking ●Polar Bears1. walrus 海象2. skinny 皮包骨的，特别瘦的3. jeopardize 处于危险当中地4.fat reserves脂肪堆积5.protocol条约2. Why polar bears’ survival is being threatened?By the end of the summer ,the are skinny bears and the reproductive success is in danger.●Phobias1. toddler 学步的小孩2. buggy 小推车，童车3. petrify 吓得发呆，石化4. python 巨蟒5. footage（影片的）一个镜头6. crumble 把……粉碎7. canine犬的8. trauma （精神上的）创伤9. slack 松的，松弛的10. leash （拴狗用的）绳索11.▲adrenaline 肾上腺素12. berate 责怪13. tennis elbow 肘关节炎14. bursitis滑囊炎15. Labrador拉布拉多1. What is phobia?When fear gets out of control ,we call it phobias.2. What is the percentage of people with phobias? 10%(1 in 10 people )3. Do we inherit specific phobias from our parents? No●The Sun and The Moon1. tantrum 发火，发怒2. wreak 发泄，报仇3. galaxy 银河4. goldilocks planet 可居住星球5. solstice 至点6. porridge 粥7. apparatus 一套的设备8.▲strata 层，地层9. ▲prism棱镜10. helium 氦气1. Why all life on Earth owes its existence to the sun?The sun powers every natural system and sustains（支持、支撑）every plant and animal.4. What is the sun made of?Over 90% of the sun is made of hydrogen（氧）.●Discussion(1)★Big FreezeWhat might be the major cause of the Big Freeze?V ocanic eruptionGlobal warmingChanges of the ocean current（洋流）★State of the PlanetThere are five ways mentioned in this DVD that we are affecting life’s diversity on 3 of them.1.Over-harvesting2.the destruction of habitats3.the introduction of alien species4.islandisation5.pollution●Discussion(2)★The Abyss(深渊)1.Give five examples of the deep sea creatures.（这个有的照片上的找不到意思就没写）grenadier fish鼠尾鳕科elephant fish叶吻银鲛scaroid鹦嘴科鱼jellyfih水母snail fish狮子鱼科2.According to this video,what was found at the bottom of the ocean in 1985 by some scientists?Shrimps .They can live in the boiling water and without sunlight★Alien ContactIf one day alien species come to Earth,what’s the narrator’s hope?They come in peace .●Discussion(3)★End dayWhat are he four probable endings of the world?1. Mega-Tsunami2. Comet Attack.3. Killer Virus.4. Science gone wrong.★The Human MindHow can you tell a person’s smile a fake one?Y ou just watch the lines around his/her eyes.。
看听学复习提纲
六、题型 1、肯定句变否定句的方法 在be 加 not be与not可缩写: 将not的o变成’ 注: am与not不能缩写 This is a red pen.(否定句) This isn’t a red pen.
题型 2、肯定句变一般疑问句的方法： (1) 将be提于句首，并大写。 (2)第一人称变第二人称 (3) 句尾用？读时用升调 He is Sandy. Is he Sandy？ I am Sandy. Are you Sandy？
复习提纲（1-10）
一、句子
1. 种类: 陈述句, 疑问句, 祈使句, 感叹句 2. 陈述句包括 肯定句，否定句
句子 2. 陈述句包括 肯定句，否定句 3.疑问句种类: 一般疑问句, 特殊疑问句,
选择疑问句,反义疑问句
二、一般疑问句 1. 基本结构: Be+主语+其它？
2.注意事项： (1) 将be提于句首，并大写。 (2)第一人称变第二人称 (3) 句尾用？读时用升调 (4) 只能用Yes/No回答
(2) 句尾用问号，读时用降调。
2014-12-27
1. 这是谁的椅子？是桑迪的。 Whose is this chair? Whose chair is this? It's Sandy's.
Which boy is Tom? The boy with the book.
2. 哪个男孩是汤姆？拿书的那个男孩。
三、特殊疑问句 1. 基本形式 疑问词+ 一般疑问句？ =疑问词+ be+ 主+ 其他？ 2. 疑问词: 疑问代词和疑问副词
疑问代词: Which Whose Who What 疑问副词：When Where Why How
视听说大学英语ppt课件
Listening comprehension
The ability to understand and interpret the message of the speech, including the ability to understand the main idea, details, and the speaker's title and opinions
02
Listening Skills and Training
Basic listening skills
The ability to understand and process the spoon language, including the ability to identify sounds, words, phrases, and sentences
Collaborative Reading
Encourage students to read together and discuss their understanding, allowing them to share their ideas and learn from each other
Role playing games
These activities allow students to practice their oral expression skills in a simulated real world environment
Speech competitions
Participation in speech competitions can provide valuable opportunities for students to improve their public speaking abilities
视听说第三版2PPT课件
常见的听力策略包括预测答案、 定位关键信息和筛选无关信息等 ，这些策略可以帮助考生更好地
理解和记忆所听内容。
考生可以根据自己的实际情况选 择适合自己的听力策略，并通过 不断练习和实践提高自己的听力
理解能力。
03Байду номын сангаас
口语技巧
口语表达
01
02
03
口语表达清晰
在口语交流中，要确保自 己的表达清晰、准确，避 免使用模糊或含糊不清的 措辞。
图像记忆法
色彩记忆法
将需要记忆的信息转化为图像，通过联想 和想象，将图像与已有的知识经验联系起 来，加深记忆。
利用色彩的刺激作用，增强记忆效果。例 如，使用鲜艳的颜色、对比强烈的色彩等 。
空间记忆法
动态记忆法
利用空间位置的关联性，将需要记忆的信 息与特定的位置或物体联系起来，通过空 间位置的回忆来帮助记忆。
教授学生如何制定谈判策略、处理谈判冲突等。
旅游行程规划策略
提供旅游行程规划策略，帮助学生合理安排行程。
医疗急救策略
教授学生在紧急情况下如何采取急救措施，包括心肺复苏、止血等。
机场安检策略
提供机场安检策略，帮助学生快速通过安检。
05
实际应用
实际场景模拟
商务谈判模拟
通过模拟商务谈判场景 ，帮助学生掌握商务沟
通技巧和谈判策略。
旅游英语模拟
模拟旅游场景，让学生 在实际环境中运用英语
进行交流。
医疗英语模拟
模拟医院场景，让学生 了解医疗环境下的英语
交流和沟通。
机场英语模拟
模拟机场场景，让学生 熟悉机场英语用语和流
程。
实际应用案例
语言流畅
《英语视听说》课件
选择适合学生水平的听力材料是提高听力理解能力的关键。材料难度应该适中，既不太简单也不太复杂，这样可以让学生在听的过程中不断挑战自己，提高理解能力。
听力材料选择
记笔记技巧
在听力过程中，记笔记是一个很好的辅助记忆和理解的方法。学生应该学会如何有效地记笔记，包括如何筛选关键词、如何组织信息等。这些技巧可以通过练习和指导来逐渐掌握。
In PPT courseware, the integration of listening and speaking activities can promote the development of both skills simultaneously.
Audiovisual strategies involve the use of both auditory and visual information to enhance language comprehension and production.
In PPT courseware, the integration of audiovisual and oral strategies can provide learners with a comprehensive approach to developing their listening and speaking skills.
Reading and writing: English is the language of international academic research. PPT courseware can help learners improve their English listening and speaking skills, enabling them to better understand academic papers and present their research findings more effectively. This can enhance their academic performance and expand their research horizons.
科技英语基础知识专业词汇课件
such as central processing unit, memory, hard disk, graphics card, etc.
Computer software
such as operating systems, office software, programming languages, etc.
The Definition and Characteristics of Scientific English
Summary: The Importance and Application Fields of Scientific English Scientific English plays a crucial role in scientific research and academic exchange. It is not only a universal language in the international scientific community, but also an important tool for obtaining the latest scientific research results, international cooperation, and cross-cultural communication. The application fields of scientific English are very extensive, including academic papers, conference exchanges, scientific reports, and patent applications in natural sciences, engineering technology, and medition and Analysis of Professional Vocabulary
科技英语基础知识共33页PPT
31、只有永远躺在泥坑里的人，才不会再掉进坑里。——黑格尔 32、希望的灯一旦熄灭，生活刹那间变成了一片黑暗。——普列姆昌德 33、希望是人生的乳母。——科策布 34、形成天才的决定下子不要学很多。——洛克
科技英语基础知识
26、机遇对于有准备的头脑有特别的 亲和力 。 27、自信是人格的核心。
28、目标的坚定是性格中最必要的力 量泉源 之一， 也是成 功的利 器之一 。没有 它，天 才也会 在矛盾 无定的 迷径中 ，徒劳 无功。- -查士 德斐尔 爵士。 29、困难就是机遇。--温斯顿．丘吉 尔。 30、我奋斗，所以我快乐。--格林斯 潘。
学术英语视听说1-13培训资料
4. Books have been written about the strange coincidences in the lives of the two men.
SCRIPT
1. whereas 2. in contrast 3. while
4. however 5. one difference between
Discourse Cues for Comparison and Contrast Listen for language cues
that show that a lecturer is making or is going to make a contrast such as the
Audio Track 1-13-3
NOTETAKING PREPARATION
b Listen to five sentences that contain information from the lecture. As you listen to each
sentence, write the language cue you hear the lecturer use to make a contrast.
BEFORE LISTENING
Audio Track 1-13-1-b
VOCABULARY PREVIEW
a Listen to the following sentences that contain information from the lecture. As you
科技英语复习资料教学提纲
科技英语复习资料教学提纲科技英语复习资料（来源：老师授课用PPT）一．汉译英1.本文介绍了热能制冷技术和燃料电池的工作原理及其特点。
针对燃料电池汽车余热浪费大的特点，提出了利用其余热制冷为燃料电池汽车空调提供冷源的方法，并对其可行性进行了研究。
This paper introduces the work principles and features of fuel cell as well as refrigeration technique driven by heat energy. Considering the present fact that a large amount of heat of fuel cell automobile is wasted, this paper proposes the program of providing the cold source for the automobile air-conditioner with the refrigeration driven by the wasted heat and studies the feasibility of it.2.只有通过对该系统性能的研究，我们才能了解它的优点。
Only through the study of the performance of the system, we can understand its advantages.3.叶片装在铣床上。
Vanes stand on the milling machine.4.十五年前，电子战在朝鲜战争中偶有应用。
Fifteen years ago, electronic warfare saw only sparse service in Korea.5.如果我们测得地震波的走时和振幅，我们就能够确定地下的几何形状并估算与岩石速度和密度有关的声阻抗。
英语视听说复习资料
英语视听说复习资料概述：英语视听说是英语学习的重要组成部分，它包括听力、口语和阅读的听力训练。
通过学习和掌握这些技巧和策略，学生能够更好地理解和表达英语，提高他们的英语交流能力。
听力技巧：1. 注意细节：在听力理解中，关注细节是至关重要的。
在听听力材料时，要仔细聆听并捕捉关键信息。
2. 练习预测：通过了解听力材料的主题和背景知识，尝试预测可能出现的关键词或句子，以便更好地理解听力内容。
3. 注意听力材料的结构：了解各种听力任务的常见结构，如听对话、听新闻报道等，可以帮助学生更好地理解和应对听力考试。
4. 反复听录音：多次反复听录音有助于加深对听力材料的理解，并帮助记忆和熟悉常见的词汇和句型。
口语技巧：1. 多练习口语：通过与其他学生或英语母语者进行口语练习，可以提高自己的口语表达能力。
可以选择与他们进行对话或模仿他们的发音和语调。
2. 扩大词汇量：丰富的词汇是流利口语的基础，通过阅读和学习新的单词和短语，可以提高自己的口语表达能力。
3. 注重语音和语调：在口语练习中，注意语音和语调的准确性非常重要。
练习正确的发音和语调可以帮助表达清晰并与他人更好地进行交流。
4. 学会应用语法知识：掌握基本的语法知识可以帮助学生更好地组织和表达自己的思想。
阅读技巧：1. 预览和快速阅读：在阅读一篇文章之前，先进行预览和快速阅读，了解文章的主题和结构。
这有助于更好地理解整篇文章的内容。
2. 理解文章结构：熟悉不同类型文章的常见结构，如问题解答、图表分析等，可以帮助学生更好地理解和应对阅读考试。
3. 注意关键词：关注文章中的关键词和词组，这些词汇通常可以提供关于文章主题和重点的重要线索。
4. 练习词汇推理：通过上下文推理和背景知识，学生可以更好地理解并推测不熟悉的单词或词组的含义。
总结：通过有效的视听说复习，学生可以提高听力理解、口语和阅读的技巧和能力。
准备复习资料并紧密跟随其所提供的技巧和策略将对学生在英语学习中起到积极的倒逼作用。
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书山有 路
Lesson 5 Journey of Life 2 1.What are the good reasons for life to get into the air? There are three reasons. The first is that wings provide animals with extra strike power. The second is that flying is fastest and most efficient way to travel. The last one is that it allows animals to find food, explore territory or escape from danger. 2. Why do we say caterpillars are munching machines? Because their only purpose is to eat and grow, they can balloon to incredible 2000 times their starting weight. 3. Why do we say that the predators and prey are locked in an intense relationship? When predators find better ways to catch and kill, and preys have to improve their self-defense. That is to say, neither predators nor preys can afford to be left behind.
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Discussion 2 Journey to the Center of the Planet 1. How does a sea turtle know its location and navigate its way around the earth? It’s based on the earth’s magnetic field. 2. What was found at the bottom of the ocean in 1985 by some scientists? Shrimps which can live in boiling hot water and live without sun’s energy were found in 1985.
书山有 路
科技英语视Leabharlann 说复习提纲Lesson 1 The Private Life of Plants 1 1、What problems do plants have to face throughout their lives so as to survive? (1)Fight seasons (2)compete for mates (3)invade new territories 2.Are fungi plants? What do fungi produce? Fungi produce spores which are similar to seeds. 3. How do the seeds of dandelions fly? A special apparatus is needed by the seeds of dandelions to fly. Each seed of the dandelion is fitted with its own individual parachute.
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Lesson 7 Secret of Sexes 1. What are the differences between men and women? Men are more things-oriented while women are more people-oriented. 2. What are the two reasons for the marriage to end in divorce? The first reason is you are unfaithful to your spouse, the second reason is constant argue. 3. Why people say “love makes people blind”? The reward system floods with feeling good chemicals, while another part of the brain, which is used for critical thinking, switches off.
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Lesson 2 The Private Life of Plants 2 1. What is the begonia’s secret of surviving on the dim forest floor? The secret of begonia surviving on the dim forest floor lies in its leaves which undersides is red. 2.How do leaves reduce the problem of water lying on their surface? There are four ways. The first one is that the leaves are tough enough to withstand the pounding of water. The second one is that the leaves have gutters to carry away the water. The third one is leaves have pointed tips at the end so as to drain water rapidly. The last one is that leaves have the dense hairs to keep their pores free. 3.What is the dramatic solution a sensitive mimosa possesses to defend itself? One touch can make the leaves fold, another tap can make it flop to the ground.
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Lesson 3 Global Warming 1. What are the three factors causing the collision between our civilization and the earth? (1)population (2)our way of thinking (3)the scientific and technological revolution. 2.How to balance the economy and the environment? (Open-Ended Question) 3.What should we do to solve the climate crisis to secure our future or to save our planet Earth? (Open-Ended Question)
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Lesson 6 Phobias 1. What is phobia? Fear plays a vital part in our survival, when fear gets out of control, we call it phobias. 2.What is the percentage of people with phobias? Ten percent people with phobias. 3. Do we inherit specific phobias from our parents? No, we don’t.
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Lesson 8 Great Wildlife Moments 1. Why do red crabs head for the shore to spawn? Because the red crabs are unable to raise their young on land, so they have to trek several kilometers to the sea, their ancestral home. 2. How does the Aurora australis occur? The Aurora australis occurs when subatomic particles traveling through space enter the Earth’s magnetic field. 3. How can an eagle eat a tortoise? An eagle flies to find a favorite site, gain its height, lets the tortoise go.
2. Please name the five ways mentioned in the state of the planet that we care
affecting life’s diversity on Earth.
(1)over-harvesting
(2)the introduction of alien species
(3)the destruction of habitats (4)islandisation (5)pollution.
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Lesson 4 Journey of Life 1 1. What is national selection? Any trait that increases the possibility of youngster surviving will be passed on in its genes. 2. There is an enormous variety of life on the planet, how did life begin? The single-cell living things began at 3 billion years ago. The cells pulling together like jelly fish began at 670 million years ago. The animals’ soft bodies turned hard like snails began at around 570 million years ago. 3. Where did all life begin, and why? All the life begins in the sea .Because in the sea, the temperature hardly changes and the water can protect against the pull of gravity and the burning sun.