单选题There are three colors in the British flag, _____ red, white and blue.A rarelyB namelyC reallyD naturally

第1题：

B

Have you ever walked into a room and felt relaxed？It could be because the walls were painted blue, a calm and peaceful color .Sometimes colors can affect our feelings and moods.Some colors can make us feel calm and peaceful.Blue is one of these.Wearing blue clothes or sleeping in a blue room is good for our mind and body, because this color makes a good feeling.Blue is also the color of sadness, so you may say you’re feeling blue when you are feeling sad.White is another calm color.You should wear white clothes if you are feeling nervous.White is also the color of purity(纯洁).Many women like to be in white on their wedding day.Green is the color of nature.It can give us more energy when we are feeling tired.Some colors can make you feel warm.These colors can give you a happy feeling.People who live in cold climates use warm colors in their homes like orange and yellow instead of white and blue.Orange shows joy.It can bring you success and cheer you up when you are feeling sad.Yellow is the color of the sun, so it can remind you of a warm, sunny day.Yellow is also the color of wisdom.Some people prefer this color when they study for exams.For example, they may use yellow school things.Red is one of the strong colors.Wearing red often makes us active.

In short, we can try out different colors if we aren’t feeling our best.

根据短文内容,选择最佳答案。第 6 题（）According to the passage, which color of the following can make you feel relaxed?

A．Yellow.

B．Orange.

C．Red.

D．White.

正确答案：D

第2题：

You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?

A.Hose connections to the tank must be made with a minimum of three bolts

B.There must be water pressure on the fire main

C.You must shut down if another vessel comes alongside

D.If transferring at anchor，you must display a red flag by day and a red light at night

正确答案：B

第3题：

A vessel trawling will display a ______.

A.red light over a white light

B.green light over a white light

C.yellow light over a red light

D.white light over a green light

正确答案：B

第4题：

共用题干
第三篇

Ways to Create Colors in a Photograph

There are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.
In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.
In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.
Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.

What does the passage mainly discuss?
A: Recent developments in camera technology.
B:How to make white light.
C:The additive and subtractive methods of producing color.
D:The discovery of the spectrum.

答案：C

解析：

这是一道理解主旨的题。第一段第一句明确提出，照片中的颜色是通过加色法和减色法两种方式形成的。之后二、三段分别详细介绍了两种方式的具体情况。A、B、D选项均不是文章主旨。
第二段最后一句话提到当等比例的三原色重叠时，形成白色。因此B选项是正确的。
这是一道关于减色法过程的细节题。根据第三段第二句话可知，减色法中的三原色分别是蓝绿色、紫红色、黄色；它们分别从白色中吸取红色、绿色、蓝色的光波。故可得出蓝绿色吸收的是红色的光波。
根据文章内容可知，加色法的三原色分别为红、绿、蓝，减色法的三原色分别是蓝绿色、紫红色、黄色。没有黑色和白色。
根据最后一段可知，通过加色法和减色法所获的特定颜色用肉眼来看效果是一样的。加色法用于早期彩色照片的处理，而减色法虽然需要复杂的化学工艺，却被证实是更为实用的方法，所以它成为了现代彩色胶片的基础。由此可知相对于加色法，减色法更为有效。

第5题：

共用题干
第三篇

Ways to Create Colors in a Photograph

There are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.
In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.
In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.
Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.

What color filter would absorb red wavelengths?
A:Red.
B:Magenta.
C:Cyan.
D:Yellow.

答案：C

解析：

这是一道理解主旨的题。第一段第一句明确提出，照片中的颜色是通过加色法和减色法两种方式形成的。之后二、三段分别详细介绍了两种方式的具体情况。A、B、D选项均不是文章主旨。
第二段最后一句话提到当等比例的三原色重叠时，形成白色。因此B选项是正确的。
这是一道关于减色法过程的细节题。根据第三段第二句话可知，减色法中的三原色分别是蓝绿色、紫红色、黄色；它们分别从白色中吸取红色、绿色、蓝色的光波。故可得出蓝绿色吸收的是红色的光波。
根据文章内容可知，加色法的三原色分别为红、绿、蓝，减色法的三原色分别是蓝绿色、紫红色、黄色。没有黑色和白色。
根据最后一段可知，通过加色法和减色法所获的特定颜色用肉眼来看效果是一样的。加色法用于早期彩色照片的处理，而减色法虽然需要复杂的化学工艺，却被证实是更为实用的方法，所以它成为了现代彩色胶片的基础。由此可知相对于加色法，减色法更为有效。

第6题：

共用题干
第三篇

Ways to Create Colors in a Photograph

There are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.
In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.
In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.
Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.

It can be inferred from the passage that white can be produced by______.
A:mixing different proportions of magenta,green and red
B:mixing equal proportions of green,red and blue
C:mixing different proportions of cyan, yellow and blue
D:mixing equal proportions of black,red and green

答案：B

解析：

这是一道理解主旨的题。第一段第一句明确提出，照片中的颜色是通过加色法和减色法两种方式形成的。之后二、三段分别详细介绍了两种方式的具体情况。A、B、D选项均不是文章主旨。
第二段最后一句话提到当等比例的三原色重叠时，形成白色。因此B选项是正确的。
这是一道关于减色法过程的细节题。根据第三段第二句话可知，减色法中的三原色分别是蓝绿色、紫红色、黄色；它们分别从白色中吸取红色、绿色、蓝色的光波。故可得出蓝绿色吸收的是红色的光波。
根据文章内容可知，加色法的三原色分别为红、绿、蓝，减色法的三原色分别是蓝绿色、紫红色、黄色。没有黑色和白色。
根据最后一段可知，通过加色法和减色法所获的特定颜色用肉眼来看效果是一样的。加色法用于早期彩色照片的处理，而减色法虽然需要复杂的化学工艺，却被证实是更为实用的方法，所以它成为了现代彩色胶片的基础。由此可知相对于加色法，减色法更为有效。

第7题：

Which three colors are used in the Cisco WCS v5.2 Voice Readiness Tool？（）

A、green
B、blue
C、yellow
D、red
E、purple
F、white

正确答案:A,C,D

第8题：

单选题

A vessel engaged in trawling will show identification lights of（）.

A

a red light over a white light

B

a white light over a red light

C

a green light over a white light

D

two red lights in a vertical line

正确答案： C

解析：暂无解析

第9题：

单选题

You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol? （）

A

Hose connections to the tank must be made with a minimum of three bolts

B

There must be water pressure on the fire main

C

You must shut down if another vessel comes alongside

D

If transferring at anchor，you must display a red flag by day and a red light at night

正确答案： A

解析：暂无解析

第10题：

单选题

An anchored vessel on pilotage duty must show which light(s) at night? （）

A

A sternlight only

B

Anchor lights only

C

A white light over a red light only

D

A white light over a red light and anchor lights

正确答案： C

解析：暂无解析

第11题：

单选题

1There are three colors in the British flag, ______ red，white and blue.

A

rarely

B

namely

C

really

D

naturally

正确答案： D

解析：
本题考查连词用法。前面说“英国国旗有三种颜色”，后面接着给出了具体颜色，前后是一种解释说明的关系。namely的意思是“也就是说，具体来说”，符合题意。答案选B。句意：英国的国旗有红色、白色和蓝色三种颜色组成。

第12题：

单选题

Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）

A

A vessel engaged in diving operations

B

A pilot vessel

C

A vessel trawling

D

All of the above

正确答案： A

解析：暂无解析

第13题：

Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?

A.A vessel engaged in diving operations

B.A pilot vessel

C.A vessel trawling

D.All of the above

正确答案：A

第14题：

A vessel servicing a pipeline during the day shall display ______.

A.three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamond

B.three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamond

C.three black balls in a vertical line

D.two black balls in a vertical line

正确答案：A

第15题：

When a lady customer intends to buy a coat with white stripes, what is she supposed to_______place an emphasis on if she says to the shop assistant?

A．I'd like a red coat with white stripes.
B．I'd like a red coat with white stripes.
C．I'd like a red coat with white stripes.
D．I'd like a red coat with white stripes.

答案：C

解析：

考查句子重音。句意为“如果一个女顾客想要买一件带白色条纹的上衣，她应该把语气的重音放在哪部分话语上 ”。A项说“我想买一件红色的上衣”，强调的是颜色。B项强调的是我喜欢什么款式的上衣。强调喜爱。C项强调的是带白色条纹的上衣，强调的是白色条纹。D项强调的是想要一件上衣。故选C。

第16题：

共用题干
第三篇

Ways to Create Colors in a Photograph

There are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.
In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.
In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.
Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.

Which of the following is NOT a pair of additive and subtractive primary colors?
A:Yellow and blue.
B: Magenta and green.
C:Black and white.
D:Cyan and red.

答案：C

解析：

这是一道理解主旨的题。第一段第一句明确提出，照片中的颜色是通过加色法和减色法两种方式形成的。之后二、三段分别详细介绍了两种方式的具体情况。A、B、D选项均不是文章主旨。
第二段最后一句话提到当等比例的三原色重叠时，形成白色。因此B选项是正确的。
这是一道关于减色法过程的细节题。根据第三段第二句话可知，减色法中的三原色分别是蓝绿色、紫红色、黄色；它们分别从白色中吸取红色、绿色、蓝色的光波。故可得出蓝绿色吸收的是红色的光波。
根据文章内容可知，加色法的三原色分别为红、绿、蓝，减色法的三原色分别是蓝绿色、紫红色、黄色。没有黑色和白色。
根据最后一段可知，通过加色法和减色法所获的特定颜色用肉眼来看效果是一样的。加色法用于早期彩色照片的处理，而减色法虽然需要复杂的化学工艺，却被证实是更为实用的方法，所以它成为了现代彩色胶片的基础。由此可知相对于加色法，减色法更为有效。

第17题：

共用题干
第三篇

Ways to Create Colors in a Photograph

There are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.
In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.
In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.
Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.

What explanation is given for the use of the subtractive method in modern color films?
A: The additive process is still being developed.
B:The subtractive process is more efficient.
C:Subtractive colors are more realistic.
D:Additive chemical techniques are too complex.

答案：B

解析：

这是一道理解主旨的题。第一段第一句明确提出，照片中的颜色是通过加色法和减色法两种方式形成的。之后二、三段分别详细介绍了两种方式的具体情况。A、B、D选项均不是文章主旨。
第二段最后一句话提到当等比例的三原色重叠时，形成白色。因此B选项是正确的。
这是一道关于减色法过程的细节题。根据第三段第二句话可知，减色法中的三原色分别是蓝绿色、紫红色、黄色；它们分别从白色中吸取红色、绿色、蓝色的光波。故可得出蓝绿色吸收的是红色的光波。
根据文章内容可知，加色法的三原色分别为红、绿、蓝，减色法的三原色分别是蓝绿色、紫红色、黄色。没有黑色和白色。
根据最后一段可知，通过加色法和减色法所获的特定颜色用肉眼来看效果是一样的。加色法用于早期彩色照片的处理，而减色法虽然需要复杂的化学工艺，却被证实是更为实用的方法，所以它成为了现代彩色胶片的基础。由此可知相对于加色法，减色法更为有效。

第18题：

White infarct and red infarct

正确答案: 血管狭窄或闭塞，血供不足而使相应局部脑组织缺血和坏死称为脑梗死。绝大多数梗死区呈白色(缺血)，此为白色梗死(white infarct)。少数梗死区的血管坏死，继发性出血形成出血性梗死，呈点状红色，此为红色梗死(red infarct)。

第19题：

单选题

The four standard light colors used for lighted aids to navigation are red，green，white，and （）.

A

purple

B

orange

C

blue

D

yellow

正确答案： D

解析：暂无解析

第20题：

单选题

You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.

A

Survey vessel

B

Vessel not under command

C

Vessel aground

D

Pilot vessel with port side to you

正确答案： A

解析：暂无解析

第21题：

单选题

A mid-channel buoy，if lighted，will show a（）.

A

fixed red light

B

Morse (A) white light

C

green light

D

flashing red light

正确答案： C

解析：暂无解析

第22题：

单选题

According to the passage, which of the following best describes the sequence of stages that the sun will probably pass through?

A

Yellow dwarf, white dwarf, red giant, black giant.

B

Red giant, white dwarf, red dwarf, nova explosion.

C

Yellow dwarf, red giant, white dwarf, black dwarf.

D

White dwarf, red giant, black dwarf, yellow dwarf.

正确答案： C

解析：
是非题。文章首段指出太阳目前为yellow dwarf star，第二段描述在变化的第一阶段太阳会成为red giant star，接下来第三段又指出太阳缩小后会变成white dwarf star，而文章最后一句描述太阳能量用尽后会变为black dwarf。因此太阳的演变过程是yellow dwarf, red giant, white dwarf, black dwarf，故选C。

第23题：

单选题

A drawbridge may use visual signals to acknowledge a vessel’s request to open the draw. Which signal indicates that the draw will NOT be opened immediately?（）.

A

A flashing amber light

B

A fixed red light

C

A white flag raised and lowered vertically

D

A flashing white light

正确答案： D

解析：暂无解析

单选题There are three colors in the British flag, _____ red, white and blue.A rarelyB namelyC reallyD naturally

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