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1、L5-U2-P2 英语流利说5-2-2 懂你英语Level5 Unit2 Part2L5-U2-P2-1 Listening : Light and ColorPeople have wondered about the nature of light and color since ancient times.Some people thought that light came from the eye rather than coming into the eye.To see, light was projected from our eyes to illuminate things
2、 as we look at them.Now we know that what we see is mostly reflected light, like the light from the moon which is reflected sunlight.Light comes from a light source, such as the Sun, and either enters our eyes directly or after it has reflected off something.Light comes from a lightsource and either
3、 enters our eyesdirectly or indirectly, afterreflecting off something.(1) People have wondered about the nature of light and color since ancient times.(2) Some people thought that light came from the eye rather than coming into the eye.(3) To see, light was projected from our eyes to illuminate thin
4、gs as we look at them.(4) Now we know that what we see is mostly reflected light, like the light from the moon which is reflected sunlight.Light enters our eyes directly or after it has reflected off something.Besides the Sun, whats another example of a direct light source? a fire or flashlightIn 16
5、66, Sir Isaac Newton showed that when light passes through a prism, it separates into all the other colors.This clearly demonstrated that light is composed of many different colors.The difference between colors is due to their wavelength.A prism separates light into different colors because each col
6、or has a different wavelength.The angle at which a color bends in a prism depends on its wavelength.What determines the color of light?-Its wavelengthThe angle at which a color bends in a prism . depends on its wavelength .Colors with shorter wavelengths bend more than colors with longer wavelengths
7、.This explains why red light bends less than yellow light.The reason is because its wavelength is longer.Of the visible colors, violet light has the shortest wavelength, so it bends the most.Of the visible colors, which color has the shortest wavelength? -violetThe angle at which a color bends in a
8、prism depends on its wavelength.This clearly demonstrated that light is composed of many different colors.Besides the Sun, any object that produces its own light is a direct light source.Of the visible colors, which color has the shortest wavelength? -violetA prism separates light into its component
9、 colors.Each color is a single wavelength of light.A prism separates light into different colors because each color has a different wavelength.If you have ever painted, you know that different colors can be combined to create new colors.For example, if you add white to a color, you lighten it.Howeve
10、r, the three primary colors, red, blue and yellow cannot be made by mixing other colors.It isnt possible to mix any combination of colors to create red, blue or yellow.Mixing two primary colors creates a secondary color such as purple, which is made by mixing blue and red.Mixing three primary colors
11、 creates a tertiary color such as brown or gray.How can you create a secondary color?- Mixing two primay colors.If you have ever painted, you know that different colorscanbe combined to create new colors.This explains why red light bends less than yellow light.The primary colors cannot be created by
12、 mixing other colors.Of the visible colors, violet light has the shortest wavelength, so it bends the most.Mixing two primary colors creates a secondary color such as purple, which is made by mixing blue and red.Which colors cannot be created by combining other colors?- theprimary colorsWhat happens
13、 to a color if add white to it?- It gets lighter.The difference between colors is due to their wavelength.Purple is made by mixing blue and red.Colors with shorter wavelengths bend more than colors with longer wavelengths.It isnt possible to mix any combination of colors to create red, blue or yello
14、w.L5-U2-P2-2 Listening : Color s EffectColor are wonderful to look at, but they also affect people in ways besides sight.They have a powerful effect on how people feel and behave.Artists know this and so do business people who want to influence how people feel about their products and advertisements
15、.For example, research has shown that people can be more productive if they are working in a blue room.The color purple is often linked to wealth and royalty and is seen as a mysterious, spiritual color.Some colors have even been associated with changes in blood pressure.Though color can influence h
16、ow we feel and act, these effects may depend on personal and cultural factors.Therefore, its important not to believe everything you hear about the effects of color.If two things are associated with each other, they .are connected in some way.Though color can influence how we feel and act , these ef
17、fects may depend on personal and cultural factors . Therefore, its important not tobelieve everything you hear aboutthe effects of color.They have a powerful effect on how people feel and behave.Some colors have even been associated with changes in blood pressure.Though color can influence how we fe
18、el and act, these effects may depend on personal and cultural factors.The color purple is often linked to wealth and royalty and is seen as a mysterious, spiritual color.What do effects of color depend on? - personal and cultural factorsColor are wonderful to look at, but they alsoaffect people inwa
19、ys besides sight.They have a powerfuleffect on how people feel andbehave .Color are wonderful to look at, but they also affect people in ways besides sight.Different colors can be combined to form other colors.However, the three primary colors, red, blue and yellow cannot be made by mixing other col
20、ors.Research has shown that people can be more productive if they are working in a blue room.Though there are differences between cultures, there is a general agreement about some colors.The color red, for example, is a warm color, associated with energy and excitement in many cultures.In China, red
21、 is associated with fire, energy and good fortune.On the other hand, one experiment showed that exposing students to red before taking a test can have a negative effect.In fact, of all the colors, research shows that red has the most powerful effect on human behavior.In China, red is associated with
22、 fire, energy and goodfortuneOn the other hand, one experiment showed thatexposingstudentsto red before taking a test can have a negativeeffect.In fact,of all the colors,research shows that red has the most powerfuleffect on human behavior .(1) Though there are differences between cultures, there is
23、 a general agreement about some colors.(2) The color red, for example, is a warm color, associated withenergy and excitement in many cultures.(3) In China, red is associated with fire, energy and good fortune.(4) On the other hand, one experiment showed that exposing studentsto red before taking a t
24、est can have a negative effect.Certainly, its interesting and important to better understand the psychological effects of light and color.To gain a better understanding of these effects, more research is needed.Mixing two primary colors creates a secondary color.Purple is made by mixing blue and red
25、.To see, light was projected from our eyes to illuminate things as we look at them.However, the three primary colors, red, blue and yellow cannot be made by mixing other colors.The color red, for example, is a warm color, associated with energy and excitement in many cultures.In China, red is associ
26、ated with fire, energy and good fortune.To gain a better understanding of these effects, more research is needed.Mixing three primary colors creates a tertiary color such as brown or gray.If you have ever painted, you know that different colors can be combined to create new colors.Though there are d
27、ifferences between cultures, there is a general agreement about some colors.L5-U2-P2-3 Vocabulary : Verbs for Business 1To promote : to move someone up in an organization, usually because she has done a good job.Were going to promote her to manager.If we dont promote him, hell probably be upset.The
28、opposite of promote is demote .We shouldnt promote anyone unless they really deserve it, which means they have to prove themselves.I dont think she deserves a promotion yet, but her boss is insisting that we give it to her.To transfer : to move someone or something from one place to another.The comp
29、any is going to transfer him to Shanghai next month.She doesnt want to be transferred because her husband is against moving to another city.He likes working for us, but he wants to betransferred to adifferent place within the company.She wont agree to be transferred unless we give her a promotion an
30、d a salary increase.Transferring him out of sales was a mistake, so we need to find another position for him.To motivate : to get someone interested and excited about doing something.Shes really good at motivating her employees.One way to motivate someone is to encourage them by giving constructive
31、feedback.Hes no fool , so giving him an award without an increase in salary wont motivate him.When he didnt get his bonus he was really demotivated, so the quality of his work went down.They arent working hard enough because they arent being motivated. To postpone : to delay or put off something unt
32、il a later date.We had to postpone the presentation, because she wasnt ready to give it.We cant continue to postpone the meeting or they will cancel it completely.We cant postpone launching the product, so everyone will have to work harder to meet the deadline .They are asking to postpone making the
33、ir first payment, so we may decide to cancel the contract.To evade : to escape or avoid something.They are trying to evade taking responsibility for their failure.He was arrested for tax evasion.They designed the airplane to evade detection by radar.The hackers broke into the computer and evaded det
34、ection until it was too late to catch them.They cant evade paying the import tax or they will lose their license to do business in that country.To delay or put off something until a later dateto postpone .To get someone interested and excited about their worktomotivate .To promote someone means . to
35、 give them a higher level job.Giving constructive feedbackis.one way to motivate them .One way to motivate someone is to encourage them by giving constructive feedback .They are trying to evade taking responsibility for their failure .If we dont promote him, hell probably be upset.Shes really good a
36、t motivating her employees.They are trying to evade taking responsibility for their failure.He was arrested for tax evasion.One way to motivate someone is to encourage them by giving constructive feedback.We need to motivate people more and not demotivate them by reducing benefits.L5-U2-P2-4 Vocabul
37、ary : Verbs for Business 2To assign : to give someone a task to do.His boss assigned him to increase sales by fifty percent(50%).Her company assigned her to find out more about the competition.His department was the one which wasassigned to complete theproject, so our department wasnt involved .Her
38、boss assigns her to do too many things at the same time, so shes frustrated.Its very dangerous, so I wont assign this project to you unless you are willing to take a risk.To penalize:to fine or punish someone for doing something wrong.They were penalized for breaking the rules.You will be penalized
39、if you are late.They were all penalized , so they had to work even hardertocomplete the project on time.We knew we would be penalized, but the penalty was unfair, so we dropped out of the competition.To lay off : to fire or sack a worker because business is bad.The company was failing, so he was lai
40、d off.Our company had to lay off 50% of our employees.A company may have to lay off workers when business is bad.He was dong a good job, but the company had tolay him off becausethey were losing money.He lost his job because his company had to lay off most of its employees.She was laid off, not fire
41、d, so it should be easier for her to find a new job.To recruit:to look for new employees to hire.They are expanding their business and recruiting new employees.She joined the company after she was recruited at a job fair.He left his job because he was recruited by another company and offered a much
42、higher salary.It isnt easy for a small company to recruit experienced managers.To resign : to voluntarily quit ones job.His boss didnt like him, so he was asked to resign.She resigned from her job because of health reasons.She has decided to resign because she wants to spend more time with her famil
43、y.He didnt want to be transferred so he decided to resign and workfor a competitor.To fine or punish someone for doing something wrongto penalize .To voluntarily quit ones jobto resign .Her company assigned her to find out more about the competition .She joined the company after she was recruited at
44、 a job fair.His boss assigned him to increase sales byfifty percent.The company was failing, so he was laid off.She joined the company after she was recruited at a job fair.He wanted to resign, but he needed to stay on for another year to complete the project.He was doing a good job, but the company
45、 had to lay him off because they were losing money.L5-U2-P2-5 Dialogue : Thoughts in LoveM: WOW, you look different today.W: You mean more beautiful?M: Whats with all the makeup?W: I felt like dressing up today. Dont you like it?M: Do you want me to be honest?W: Of course, but I know you. You are so
46、 old fashioned.M: I just think you dont need so much makeup to look beautiful. That lipstick is like a fire engine.W: Well, not everyone agrees with you. And I like looking different once in a while.Why is she wearing so much makeup today?-She felt like dressingup today.Do you want me to be honest?A
47、nd I like looking different once in a while.I just think you dont need so much makeup to look beautiful.Shes wearing more makeup than usual, especially with the bright red lipstick.Why does she look different today? - Shes wearing more makeup than usual.I felt like dressing up today.That lipstick is
48、 like a fire engine.I just think you dont need so much makeup to look beautiful.Shes wearing more makeup than usual, especially with the bright red lipstick.W: Yes,clothes,at it. You always wear the same oldM: Im glad Im not a woman. There are too many things to deal with.you wouldnt be good its boring.M: Maybe its boring, but its comfortable.W: Youre never going