《学术英语》(理科)课后答案(完整版)

学术英语(理工)详解答案_Unit 3

1 Preparing for listening
to a lecture
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
Tips before listening to a lecture:
1) Find out the topic of the lecture to be delivered.
Unit 3 Listening to Lectures
2 Paying attention to the introduction
Read the following introductions of two lectures and guess the topic and content of each of them.
2 What is the relationship between carbon dioxide, greenhouse gases and the thinning ozone layer with global warming? Carbon dioxide is a greenhouse gas. Burning oil, coal and fossil fuels leads to a sharp increase in the greenhouse gas which build up and condense, forming a thick gas layer of carbon dioxide. This gas traps heat from the sun and destroys the ozone layer, the layer which protects the Earth from harmful radiation, causing global warming.

(完整word版)学术英语理工类课后题答案(word文档良心出品)

Reading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable 23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from（从……到）arise from some misunderstandings（来自于对……误解）leaves a lot of problems unsolved（留下很多问题没有得到解决）opens a path for（打开了通道）requires a different frame of mind（需要有新的思想）4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人（或即使造成危害，但并非故意而为），而“骇客”才是真正的坏人。

学术英语理工类Unit-1答案

2. Why is a good knowledge of previous studies of the topic necessary?
Because it will contribute to the credibility of the research.
3. Why is the procedures section important?
research papers; 3. choose a particular topic for your research; 4. formulate research questions; 5. write a working title (暂定标题); 6. avoid plagiarism; 7. use citations; 8. use sources by quoting and summarizing.
1. How many basic elements are there in a research report or paper? What are they?
Four. They are problem section, procedures section, result section and discussion section.
4. Do you think it necessary to learn how to read and even write research papers? Why?
1. Critical Reading
How to read research articles
Read the article “Research Reports for Technical Writing” on Page 24-26 and answer the questions below.

学术英语(理工)详解答案-Unit-4

unwanted chemical reactions in the cell and proteins to fold improperly. Whether it is
harmful to man’s health
depends somewhat on
(某种程度上取决于) the degree of exposure. In small doses, the cell has enough
A typical person is, and always has been struck by 15,000 particles of radiation every second from natural sources.
8
第八页，共100页。
Unit 4
Writing a Literature
2 Writing a self-contained literature review 3 Writing a literature review as a part of an essay 4 Citation
5 Documentation
6 Avoiding plagiarism
7 Paraphrasing 8 Enhancing your academic language
3
第三页，共100页。
Unit 4 Writing a Literature Review
1 Writing a literature review
4
第四页，共100页。
Unit 3 Listening to Lectures
1 Writing a literature Review
12 RThaedifaotuior nesissanyostwseoretepruribbllisehaesd erixgphteacftteedr tahnedFhukuumsahinma

学术英语(理工)详解答案_Unit 2

the introduction and thesis; the first or last paragraphs of the essays/chapters;
headings and subheadings;
the conclusion and summaries; the first sentence or the last sentence of each paragraph;
highlighted texts such as words in bold or italic text;
graphs, tables or diagrams.
Unit 2 Searching for Information
2 Scanning and skimming
1 What does “A.I.” in the title stand for? Artificial intelligence. 2 What is the main idea of the article you may predict from the title? The article may argue for/again the idea that Artificial intelligence will replace human jobs in the future. 3 What does the story in the first paragraph imply? The story tells that computerization threatens to replace
To evaluate source materials
Is the material a primary or a secondary source? Is the source the latest one? Is the author a reliable scholar or an expert in the field? Does the author have biases or prejudices? Has the author been cited frequently in the field? Are the author’s arguments supported by evidence such as statistics, experiment, recent scientific findings? Are different opinions considered and weighed or simply ignored ? Are the author’s arguments and conclusions convincing?

《学术英语》(理科)课后答案(完整版)

ContentsUnit 1 – Astronomy (2)Part I: Pre-listening (2)Part II: While Listening (2)Text A: Fun Facts about Astronomy (2)Text B: Shenzhou-10 Mission (3)Part III: After Listening (3)Part IV: Homework (3)Unit 2 – Biology (4)Part I: Pre-listening (4)Part II: While Listening (4)Text A: Secret of Life (4)Text B: Animal Intelligence (5)Part III: After Listening (5)Part IV: Homework (5)Unit 3 – Psychology (6)Part I: Pre-listening (6)Part II: While Listening (6)Text A: Discovering Psychology (6)Text B: Liespotting (7)Part III: After Listening (7)Part IV: Homework (7)Unit 4 – Geography (8)Part I: Pre-listening (8)Part II: While Listening (8)Text A: What Is Geography? (8)Text B: Mount Kailash – Axis of the World (9)Part III: After Listening (9)Part IV: Homework (9)Unit 5 – Economy (sic) (10)Part I: Pre-listening (10)Part II: While Listening (10)Text A: The Blue Economy (10)Text B: A Monkey Economy as Irrational asOurs (11)Part III: After Listening (11)Part IV: Homework (11)Unit 6 – Physics (12)Part I: Pre-listening (12)Part II: While Listening (12)Text A: What Is Physics? (12)Text B: Science of Figure Skating (13)Part III: After Listening (13)Part IV: Homework (13)Unit 7 – Computer Science (14)Part I: Pre-listening (14)Part II: While Listening (14)Text A: Computer Software (14)Text B: Computer Science Advice forStudents (15)Part III: After Listening (15)Part IV: Homework (15)Unit 8 – Chemistry (16)Part I: Pre-listening (16)Part II: While Listening (16)Text A: The History of DiscoveringElements (16)Text B: The Periodic Table of Elements (17)Part III: After Listening (17)Part IV: Homework (17)Unit 1 – AstronomyPart I: Pre-listeningC: Listening Exercise1. D – Mars.2. C – For finding their way across hugeareas of ocean.3. C – Almost every ancient culture knewof these five mysteries.4. A – Saturn, Jupiter, Venus, Mercury andMars.5. C – The study of stars.Part II: While ListeningText A: Fun Facts about Astronomy Exercise 1 – Global Understanding1.Two branches: (1) observationalastronomy and (2) theoreticalastronomy.2.Aspects: fun facts about (3) the sun(4) the moon(5) the stars(6) the planetsExercise 2 – Listening and Note-takingThe better notes are _A_, because:1.Good notes should consist of keywordsor very short sentences, not every word.e abbreviations and symbols thatmake sense to you can help you writedown notes quickly.3.Leave space between topics or ideas soyou can scan the page more easily later. Exercise 3 – In-depth Listening1.Mercury is the (1) second smallestplanet in the solar system and has (2)no moon. It can get as hot as (3) 800 °Cand cold as (4) 300 °C below zero. Oneyear on Mercury is equal to (5) 88 dayson Earth.2.Venus is the only planet that rotatesfrom (6) east to west. A year on thisplanet is equal to (7) 225 days on Earth.3.Earth is nearly (8) 93 million miles awayfrom the sun. It takes about (9) 16million horsepower to break the Earth’sgravitational pull.4.According to scientists, in around (10) 5billion years, a day on Earth will be (11)48 hours long and somewhere duringthat time the sun will explode.5.The planet Neptune was discoveredmore than (12) 150 years ago in 1846,and since then it still has to complete anorbit around the sun, as one Neptuneyear equals to (13) 165 Earth years.6.Pluto’s size is very small which madescientists demote it to a (14) dwarfplanet status.Text B: Shenzhou-10 MissionExercise 1 – Global Understanding1.June 24th.2.China hasn’t set up a permanent spacestation.Exercise 2 – Listening for Details1.False2.True3.Not GivenExercise 3 – Compound Dictation1.blasted off2.docked3.conduct experiments4.June 20th5.gave a lecture6. a manual docking procedure7.spoke8.two-way video link9.flew around10.the modulePart III: After ListeningPart IV: HomeworkA – Listening Task1.supremacy2.gesture3.vowed4.hostile5.decade6.mission7.spotted8.It was five kilometers from base andthey were running dangerously short oftime9.The orange soil looked like evidence ofrecent volcanic activity 10.In just half an hour, Schmitt and Cernangathered all the orange soil they couldlay hands onUnit 2 – BiologyPart I: Pre-listeningA: Talk about the Topic1.Hummingbird (c); Marmoset (a); Ostrich(d); Sloth (b); Venus flytrap (g); Cheetah(f); Bamboo (h); Rafflesia (e)2.as sly as a fox; as timid as a hare; ascheerful as a lark; as silly as a goose; asgreedy as a wolf; as proud as a peacock;as strong as a horse; as brave as a lion;as gentle as a lamb; as stubborn as amule; as busy as a bee; as blind as a bat C: Listening Exercise1. D – Hostess and guest.2. B – Genetically modified organism.3. A – Corns with a 4-digit PLU code.4. C – Because there is no proof that GMfoods are safe.5. C – From PLU code on the produce. Part II: While ListeningText A: Secret of LifeExercise 1 – Global Understanding1.nucleus2.mush3.membranes4.protein5.energy6.chromosomesExercise 2 – Listening and Note-taking1.frogspawn2.divide and divide3.replicating4.specialize5.body parts6.true of us7. a single cell8.two fundamental rules of life9.made of cells10.other cells11.what life wasExercise 3 – In-depth Listening1.17th2.Robert Hooke3.microscope4.snowflakes5.natural fibers6.mid-19th7.resurfaced8.well-engineered9.exposeText B: Animal IntelligenceExercise 1 – Global Understanding1. B – To prove that dolphins are thinkingspecies.2. C – Self-awareness.Exercise 2 – Listening for Details1.True2.Not Given3.False4.True5.FalseExercise 3 – Compound Dictation1.reacting2.another dolphin3.back and forward4.testing to see5.the same things6.neck stretches7.marked part8. a mirror9. a toolPart III: After ListeningPart IV: HomeworkA – Listening Task1.filtered sunlight2.fade3.sensitive4.evaporate5.pebbles6.moist7.snippers8.start up9.indestructible10.raise alarm11.a shadier location 12.polluted water13.reddish14.decaying or mushy15.indoor environmentsUnit 3 – PsychologyPart I: Pre-listeningA: Talk about the Topic2.1-d, 2-a, 3-f, 4-g, 5-c, 6-e, 7-h, 8-b C: Listening Exercise1. B – He has just moved to a new place.2. A – He should take Fido to the vet.3. D – He will put his dog on medication.4. A – Dog emotions are quite similar tothe emotions of humans.5. C – Harry is an expert on brain scienceof humans and dogs.Part II: While ListeningText A: Discovering Psychology Exercise 1 – Global Understanding1.behavior of individuals2.mental processes3.dispositional factors4.situational factors5.experimental psychology laboratory6.Principles of PsychologyExercise 2 – Listening and Note-taking1.sci entific study2.res earch3.pred ict & (ctrl) control behav ior4.gene tic5.att itudes, ment al6.sens ory stimul ation7.rew ards, act ionsExercise 3 – In-depth Listening1.18792.Germany3.first experimental psychologylaboratory4.18836.first American psychological laboratory7.18909.psychological text10.Principles of PsychologyText B: LiespottingExercise 1 – Global Understanding1. D – He peppered his account with alittle too much detail.2. B – A fake smile will betray a liar. Exercise 2 – Listening for Details1.Not Given2.False3.False4.True5.FalseExercise 3 – Compound Dictation1.lower2.pause3.pepper4.detail5.chronological6.backwards7.words8.gesturesPart III: After ListeningPart IV: HomeworkA – Listening Task1.signs of the condition2.low levels of light3.severe form4.thoughts of death or suicide5.designed6.sleep7.active8.sugary water9.more depressed10.least11.blue and white light12.dim red 13.signals14.natural sleep-wake cycle15.recommendation16.exposure17.bluish18.reddishUnit 4 – GeographyPart I: Pre-listeningA: Talk about the Topic1.a. 4.5 to 4.6 billion yearsb.149,597,870 kmc.384,403.1 kmd.Mt. Everest, Asia: 8844.43 me.Dead Sea: -422 mf.Mariana Trench, Western PacificOcean: 11,034 mg.56.7°C (Greenland Ranch in DeathValley, California, July 10, 1913)h.-89.2°C (Vostok, Antarctica, July 21,1983)2.1-a; 2-c; 3-f; 4-b; 5-e; 6-d; 7-gC: Listening Exercise1. D – New Zealand.2. C – The south of the country can bewarm in summer.3. C – A map showing geographicalfeatures.4. B – The coverage of oceans.5. C – She wants to know more aboutgeography.Part II: While ListeningText A: What Is Geography?Exercise 1 – Global Understanding1.Cultural geography focusing on peopleand cultures.2.Physical geography focusing on planetEarth. Exercise 2 – Listening and Note-takingFive these of geographyA. LocationB. PlaceC. Human-environment Interaction1. Humans depend on the environment2. Humans modify the environment3. Humans adapt to the environmentD. MovementE. Region1. Formal regions2. Functional regions3. Vernacular regionsExercise 3 – In-depth Listening1.earth2.to write3.climates4.plant and animal distributionputerized mapping6.data analysisText B: Mount Kailash – Axis of the World Exercise 1 – Global Understanding1. A – Because it matches the legend ofthe axis of the world.2. D – Because it is the most importantpilgrimage site in Tibet.Exercise 2 – Listening for Details1.False2.True3.Not Given4.False5.FalseExercise 3 – Compound Dictation1.pilgrimage site2.Buddha’s e nlightenment3.newly dressed altar4.prayer flags5.end up straight6.wind horsesPart III: After ListeningPart IV: HomeworkA – Listening Task1.233 countries2. a bit ambiguous3.semi-presidential republic4.6,592,800 square miles5.northern part of Asia6.11 different time zones7.climate conditions8.energy and minerals9.greatest forest reserves10.unfrozen freshwater11.ninth most populous12.lungs of Europe13.by volume 14.780 species of birds15.third largest economy16.fastest aging country17.Three Gorges Dam18.at a country’s disposalUnit 5 – Economy (sic)Part I: Pre-listeningA: Talk about the Topicpete with one another; positive; aninvisible hand2. a long time; stall along the wayC: Listening Exercise1. B – He is interested in making modelboats.2. C – She is considerate and thoughtful.3. A – It will help children learn the valueof money.4. D – He will give Jacky a regularallowance soon.5. D – Saving money for larger costs willhelp children learn how to budget. Part II: While ListeningText A: The Blue EconomyExercise 1 – Global Understanding1.expensive2.not smart3.creative4.healthy and happy5.what we did not know we have Exercise 2 – Listening and Note-taking1.healthy and naturalanic3.solar energy4.biodegradable5.palm oil6.destroy the rain forest7.subsidies8.tax moneypete with food10.damaging the climate11.expensive12.not smartExercise 3 – In-depth Listening1.Not Given2.True3.False4.TrueText B: A Monkey Economy as Irrational as OursExercise 1 – Global Understanding1. D – When they are facing a loss.2. A – People are irrational because theywant to make more money.Exercise 2 – Listening for Details1.10002.10003.04.5005.Play it safe6.20007.10008.09.50010.Take a riskExercise 3 – Compound Dictation1.different directions2.good or not3.switch4.loss mindset5.risky6.worrying7.losing stocks longer8.sell their housePart III: After ListeningPart IV: HomeworkA – Listening Task1.economic prosperity2.support strengthening3.premier forum4.lowering tariffs5.non-discriminatory6.greater participation7.integrated economic community8.critical energy sector9.interconnectivity10.renewablepletion of negotiations12.far-reaching trade agreement13.rules-based and high-standard14.mere short term15.multilaterial and bilateral partnershipsUnit 6 – PhysicsPart I: Pre-listeningA: Talk about the Topic1.1-f; 2-b; 3-e; 4-d; 5-g; 6-a; 7-h; 8-c C: Listening Exercise1. B – They are doing a physicalexperiment.2. C – Six.3. D – Judy helped to pinch the balloontight.4. B – Mike is very smart.5. A – They pumped some gas into theballoon.Part II: While ListeningText A: What Is Physics?Exercise 1 – Global UnderstandingTwo categories of physics:(1) Classical physics(2) Modern physicsMain purposes of learning physics:(1) To understand the world around people(2) To explain the universe at large Exercise 2 – Listening and Note-taking1.Definition2.motion of matter3.space and time4.energy5.force6.effects7.philosophy8.world9.classical10.modern11.Applications12.electromagnetism13.mechanics14.quantum physics Exercise 3 – In-depth Listening1.matter moves2.object attraction3.heat and energy4.mass-energy5.space-time6.electric chargesText B: Science of Figure Skating Exercise 1 – Global Understanding1. C – The science of figure skating.2. D – All of the above.Exercise 2 – Listening for Details1.False2.False3.True4.Not Given5.FalseExercise 3 – Compound Dictation1.action and reaction2.vertical velocity3.velocity4.higher5.spin6.extended7.slowly8.closer9.faster10.following11.Conservation of Angular Momentum Part III: After ListeningPart IV: HomeworkA – Listening Task1.powered by sun light2.20153.63 meters across4.200 square meters5.cells6.140 kilometers7.8,500 meters8.stops9.20 to 2510.autopilot 11.goal12.appliancesUnit 7 – Computer SciencePart I: Pre-listeningA: Talk about the Topic1.1-Wechat; 2-MSN; 3-Tencent QQ; 4-Sina Microblog; 5-Renren Network; 6-Instagram2.MSN, Tencent QQ, Renren Network,Sina MNicroblog, Instagram, Wechat C: Listening Exercise1. D – A research on the applications ofcomputers and Internet.2. C – Playing computer games.3. B – Computers can help edit jobapplication documents.4. C – Online shopping has become anessential part of our life.5. A – People may be cheated by someoneonline.Part II: While ListeningText A: Computer SoftwareExercise 1 – Global Understanding1. D – Software programs and theoperating system.2. B – A set of instructions that tells thecomputer what to do.Exercise 2 – Listening and Note-taking1.most of us don’t speak the ir language2.is like a translator3.the computer what to do4.personalized5.Mac6.Linux7.Operating system8.Software programs9. a computer store10.download from the InternetExercise 3 – In-depth Listening1.True2.FalseAn operating system can cover thebasics from saving files to fixingproblems.3.FalseYou can get computer software from acomputer store or download them fromthe Internet without the help ofcomputer engineers4.FalseSoftware programs can makecomputers personalized5.TrueText B: Computer Science Advice for StudentsExercise 1 – Global Understanding1. C – Advice for students on computerscience.2. A – Computer science is highlyinteractive.Exercise 2 – Listening for Details1.False2.True3.True4.Not GivenExercise 3 – Compound Dictation1.fallacies/misconceptions2.programming3.people4.business analysts5.discuss6.solve7.logical thinking8.capture things9.articulate10.connectingPart III: After ListeningPart IV: HomeworkA – Listening Task1.index of the web2.software programs3.webpages4.follow all the links5.chunk of the web6.hit return7.possible8.contain your keywords9.directly adjacent 10.spamming11.outside links point to itmitment13.impartial search results14.a snippet of the text15.related searches16.advertising business17.strive to18.cheetah’s top running speedUnit 8 – ChemistryPart I: Pre-listeningA: Talk about the Topic1.A, C, and E are chemical reactionsC: Listening Exercise1. A – In 1828.2. D – He created them from twoinorganic substances.3. C – People isolated it from living things.4. C – It proved that organic substancescan be created from inorganicsubstances.5. D – Atoms.Part II: While ListeningText A: The History of Discovering ElementsExercise 1 – Global Understanding1.diversity of natureplexity of man3.92 elements4.the most important codes5.making of the modern world Exercise 2 – Listening and Note-taking1.what an element is2.lead, copper, gold, silver, iron, mercury,tin3.metals4.earth, air, fire, and water5.16th6.metals into goldExercise 3 – In-depth Listening1.attempted2.electricity3.natural4.ultimately5.insight6.physics7.mysteries8.detective9.centuries10.struggled11.fascination12.destructionText B: The Periodic Table of Elements Exercise 1 – Global Understanding1. B – How the periodic table of elementswas discovered and its significance.2. B – It changes the way that everyonewould learn and understand theelements.Exercise 2 – Listening for Details1.True2.False3.Not Given4.True5.FalseExercise 3 – Compound Dictation1.18692.explain3.properties4.similarities5.patterns6.vertical7.resembled8.existence and properties9.rightPart III: After ListeningPart IV: HomeworkA – Listening Task1.green leaves2.grows underground3.for their taste4.traditionally for health reasons5.seeking to lose weight6.desire to eat7.reduce hunger8.Over six weeks9.each group 10.three-tenths of a gram11.normally eat12.especially true13.may be lost14.extend the effectiveness15.a tropical plant16.its medical possibilities17.earlier evidence18.brains of patients19.sixty to ninety-three years old20.rarely or never。

学术英语理工讲义课后习题解答ppt课件

5
Unit 1 Choosing a Topic
1 Deciding on a topic
City Development Sustainable Development of Cities Sustainable Development of Big Cities Sustainable Development of Chinese Big Cities Sustainable Development of Chinese Big Cities from the Biological Perspective
appropriate topics of each
subject?
7
Unit 1 Choosing a Topic
1 Deciding on a topic
Topics Energy
Your narrower subtopics
Questions
– Is the topic appropriate for a 1500-word essay? Why or why not?
limiting the flow of data to and from the
Internet to only the few select ports you
actually need;
– Make sure your anti-virus software is up-to-
date and check frequently to see if there are
Text 1 illustrates how hackers or unauthorized users use one way or another to get inside a computer, while Text 2 describes the various electronic threats a computer might face.

学术英语(理工)详解答案_Unit 4

1 辐射自然存在于我们的环境当中,一般人每秒钟都遭受着来自自然资源中15，000个粒子的辐射，而一次普通的医疗 X光检查则带有1，000亿个粒子的辐射。 2 这些材料主要通过发电厂常规运行时的少量释放物，核电站事故和放射性材料运输事故、以及放射性废料从隔离系统中泄漏而与人体发生接触的。 3 在利用现有技术预防遗传性疾病方面还有很多事可以做；如果利用核工业纳税款的1%来进一步实施这项技术，那么每一种由核工业造成的疾病中有80例遗传疾病都将得到防止。
4 高剂量的辐射会摧毁身体机能并在60天内导致死亡，但这种“明显的”死亡仅仅在2%的核反应堆熔毁事故中能够被预料到，在0.2%的熔毁事故中会超过100天，而在 1/100,000的熔毁事故中会超过3，500天。 5 对于氡效应的全面估计是一家运行了一年的核电站最终将避免几百人死亡，而一个同等的煤电厂将最终导致30人死亡。
Unit 4 Writing a Literature Review
1 Writing a literature Review
Additional questions for your understanding of Text 11
1 By how many particles of radiation from natural sources has a typical person been struck every second? A typical person is, and always has been struck by 15,000 particles of radiation every second from natural sources.
这是因为大部分的伽玛射线和x光射线无需通过与身体的组织发生作用就原子水平而言身体基本上是中空的空间而直接穿透身体而无法穿透组织的射线和射线则会通过与身体原子的碰撞使其能量得以扩展并且有可能导致更多的损坏

学术英语理工类课后题答案

Reading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable 23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from（从……到）arise from some misunderstandings（来自于对……误解）leaves a lot of problems unsolved（留下很多问题没有得到解决）opens a path for（打开了通道）requires a different frame of mind（需要有新的思想）4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人（或即使造成危害，但并非故意而为），而“骇客”才是真正的坏人。

学术英语(理工)详解答案-Unit-3

4) Sort out subject-specific words and terms the lecture may use.
Unit 3
Listening to
LectuTreisps before
l1istePnrinegptao railnecgtufroe:r
listening
5) Check the mteoaninagslaendcptrounruneciations of the
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
Unit 3

Listening to
LectuTreisps before
l1istePnrinegptao railnecgtufroe:r
listening
1) Find out the ttoopicaof tlhee clecttuurerteo be delivered.
is a layer in Earth’s atmosphere containing relatively high concentrations of ozone (O3).
Unit 3
Listening to Lectures
1 Preparing for listening
1 What are thetdoefinaitionles ocf tthue froellowing terms?
学术英语理工
Academic English for Science and Engineering
Unit 3 Listening to Lectures

学术英语(理工)详解答案_Unit3

4) methane:
is the simplest alkane, the main component of natural gas, and probably the most abundant organic compound on earth. The relative abundance of methane makes it an attractive fuel.
6) deforestation:
is the removal of a forest or stand of trees where the land is thereafter converted to a ng to Lectures
1 Preparing for listening to a lecture
学术英语理工
Academic English for Science and Engineering
Unit 3 Listening to Lectures
Unit Contents
1 Preparing for listening to a lecture 2 Paying attention to the introduction 3 Understanding the ideas through examples 4 Following a lecture through signal words 5 Memorizing the points by taking notes
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
Unit 3 Listening to Lectures

学术英语(理工)Unit3课后习题解答

Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
1 What are the definitions of the following terms?
1) CO2: is a greenhouse gas which plays a major role in global warming and anthropogenic climate change. It is also a major source of ocean acidification which dissolves in water forming carbonic acid.
Telling an interesting story or an anecdote
Introducing the points to be covered in the talk directly
Unit 3 Listening to Lectures
2 Paying attention to the introduction
学术英语理工
Academic English
for Science and Engineering
Unit 3 Listening to Lectures
Unit Contents
1 Preparing for listening to a lecture 2 Paying attention to the introduction
1 What are the definitions of the following terms?
3) greenhouse: is a structure with different types of covering materials, such as a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming visible so absorbed by plants, soil, and other things inside the building. 4) methane: is the simplest alkane, the main component of natural gas, and probably the most abundant organic compound on earth. The relative abundance of methane makes it an attractive fuel.

学术英语(理工)详解答案_Unit 4

2 Radiation is not so terrible as expected and human beings are exposed to different sources of radiation every day. Whether it will endanger human health or not depends on the duration and strength of radiation exposure.
1 辐射自然存在于我们的环境当中,一般人每秒钟都遭受着来自自然资源中15，000个粒子的辐射，而一次普通的医疗 X光检查则带有1，000亿个粒子的辐射。
2 这些材料主要通过发电厂常规运行时的少量释放物，核电站事故和放射性材料运输事故、以及放射性废料从隔离系统中泄漏而与人体发生接触的。
3 在利用现有技术预防遗传性疾病方面还有很多事可以做；如果利用核工业纳税款的1%来进一步实施这项技术，那么每一种由核工业造成的疾病中有80例遗传疾病都将得到防止。
学术英语理工
Academic English for Science and Engineering
Unit 4 Writing a Literature Review
Unit 4 Writing a Literature Review
Unit Contents
1 Writing a literature review 2 Writing a self-contained literature review 3 Writing a literature review as a part of an essay 4 Citation 5 Documentation 6 Avoiding plagiarism 7 Paraphrasing 8 Enhancing your at 4

学术英语理工类Unit1 课后练习答案

(来自于对……误解) of
cloud computing. Although the security of cloud computing ____________________________( leaves a lot of problems unsolved 留下很多问题没有得到解决), it opens a path for (打开了通道) the future development of computers. Hence a better understanding of a new technology requires a different frame of mind (需要有新的思想)_______________________________.
Enhancing your academic language
Match the words with their definitions.
1 —— d 2 —— f 3 —— h 4 —— i 5 —— a
6 —— e 7 —— b 8 —— j
9 —— g 10 —— c
Unit 1 Choosing a Topic
Unit 1 Choosing a Topic
1 Deciding on a topic
Ege
Translate the following sentences from Text 1 into Chinese.
1 有些人声称黑客是那些扩宽知识界限而不造成危害的好人（或即使造成危害，但并非故意而为），而“破碎者”才是真正的坏人。
Unit 1 Choosing a Topic
1 Deciding on a topic
Enhancing your academic language

学术英语(理工)详解答案-Unit-3

is a layer in Earth’s atmosphere containing relatively high concentrations of ozone (O3).
Unit 3
Listening to Lectures
1 Preparing for listening
1 What are thetdoefinaitionles ocf tthue froellowing terms?
1 What are thetdoefinaitionles ocf tthue froellowing terms?
7) chlorofluorocarbon:
8icsh) alponorilnoaerrg,iachneyidccracopog:menpoaunnddfltuhoartinceo,nptaroindsuocendly
3) greenhouse:
is a structure with different types of covering materials, such as a glass or plastic roof and frequently glass or 4p)lamsetitchwanaell:s; it heats up because incoming visible solar radiation from the sun is absorbed by plants, soil, and other things inside the building.
4) Sort out subject-specific words and terms the lecture may use.
Unit 3
Listening to

学术英语(理工)讲义+课后习题解答

学术英语理工
Academic English for Science and Engineering
h
1
h
2
Unit 1 Choosing a Topic
Unit Contents
1 Deciding on a topic
2 Formulating a research question
3 Writing a working title
appropriate topics of each
h subject?
7
Unit 1 Choosing a Topic
1 Deciding on a topic
Topics Energy
Genetic engineering
Universe
Your narrower subtopics
Questions
5 be used to
(识别p)hpyositceanltliyal terrorists
6 deal the matter withstrhaimightforward (完全地)
7 start with a prceattpyability
(直截了当) question
8 beyond thtaerget
缺答案
h
11
Unit 1 Choosing a Topic
1 Deciding on a topic
l Additional questions for your understanding of Text 1
1 What does “unauthorized user” refer to?
This term covers the entire range of folks, from those involved in organized criminal activities to insiders who are pushing the limits of what they are authorized to do on a system.