The irregular black line around a charted light such as Race Rock Light indicates that it is ______.A.unwatchedB.surrounded by riprapC.a minor lightD.constructed on an artificial island

题目

The irregular black line around a charted light such as Race Rock Light indicates that it is ______.

A.unwatched

B.surrounded by riprap

C.a minor light

D.constructed on an artificial island

相似考题

1.A list signal of one white light indicates that the vessel is ______.A.on an even keelB.listing about 1° to the side the light is displayed onC.listing over 5°With the light displayed on the high sideD.listing，and the chutes should be directed to the side where the light is displayed

2.A steep barometric gradient indicates ______.A.calmsB.light windsC.strong windsD.precipitation

3.Which word indicates color variation in the characteristics of a light?A.OpposingB.ChangingC.ReversingD.Alternating

4.A radar range to a small，charted object such as a light will provide a line of position in which form?A.Straight lineB.ArcC.ParabolaD.Hyperbola

更多“The irregular black line around a charted light such as Race Rock Light indicates that it ”相关问题

  • 第1题：

    A vessel showing a green light over a white light in a vertical line above the level of the sidelights is ______.

    A.engaged in underwater construction

    B.under sail and power

    C.a pilot vessel

    D.trawling


    正确答案：D

  • 第2题：

    共用题干
    Learn about Light
    1 .Ancient civilizations were amazed by the existence of light for thousands of years. The Greek philosophers believed that light was made up of countless,tiny particles that enter the human eye and create what we call vision. However,Empedocles and a Dutch scientist named Christian Huygens believed that light was like a wave. According to them,light spread out and travelled like a straight line. This theory was accepted during the 19th century.
    2 .In 1905,Albert Einstein published a research paper in which he explained what is re-ferred to as the photoelectric effect. This theory explains that particles make up light.The particles Einstein was referring to are weightless bundles（束）of electromagnetic（电磁）energy called photons（光子）.Today,scientists agree that light has a dual（二重）nature一it is part particle and part wave. It is a form of energy that allows us to see things around us.
    3 .Things that give off light are known as sources of light. During the day,the primary source of light is the sun. Other sources of light include stars,flames,flashlights,street lamps and glowing gases in glass tube.
    4 .When we draw the way light travels we always use straight lines. This is because nor-mally light rays travel in a straight line. However,there are some instances that can change the path and even the nature of light. They are reflection,absorption,interference（干扰）, etc.
    5 .Physicists have attempted to measure the speed of light since the early times. In 1849, Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror located kilometers away and placed a rotating cogwheel（旋转齿轮）between the beam and the mirror. From the rate of rotation of the wheel,number of wheel's teeth and distance of the mirror,he was able to calculate that the speed of light is 313 million meters per second. In a vacuum（真空）,however,the speed of light is 299,792,458 meters per second. This is about a million times faster than the speed of an airplane.

    Objects are visible to the human eye as light is______.
    A: sources of light
    B: the speed of light
    C: the path of light
    D: a straight line
    E: a beam of light
    F: a form of energy

    答案：F
    解析：
    该概括大意与完成句子所选的阅读材料为记述文，段落主题相对于论述文而言较松散，因此记述文中的段落大意往往需要考生根据自己的理解而归纳概括出来。解答概括大意题的技巧往往派不上用场。第二段主要讲述现代科学家认同了爱因斯坦的光电效应理论。因此可以判断A选项“当今人们如何解释光的性质”正确。
    第三段第一句“Things that give off light are known as sources of light.”就点明主旨，发光的物体是光源。所以B选项“什么是光源？”正确。
    第四段主要讲述光传播的问题，所以D选项“光是如何传播的”正确。
    第五段的关键字是speed of light，光速。所以C选项“物理学家如何测量光的速度”正确。
    题干意为“人们可以看见物体是因为光……。“从第二段最后一句可知，人们看见物体是因为光是一种能量。所以F项a form of energy正确的。
    题干意为“星星、火焰、手电筒都是……的例子。”第三段“Other sources of light include stars , flames , flashlights...”说明，这些都是光源的例子。所以A选项sourcesof light是正确的。
    题干意为“某些情况下，如反射和吸收可以改变……。”第四段中“there are some instances that can change the path and even the nature of light.They are reflection,ab-sorption , interference , etc.”这说明有一些情况可以改变光的路径。所以C选项the path of light是正确的。
    题干意为“Hippolyte Fizeau做了一个刚试……的实验。”文中最后一段 “Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror...he was able to calculate that the speed of light...”可知Hippolyte Fizeau通过实验计算出了光速。所以B选项是正确的。

  • 第3题：

    共用题干
    Learn about Light
    1 .Ancient civilizations were amazed by the existence of light for thousands of years. The Greek philosophers believed that light was made up of countless,tiny particles that enter the human eye and create what we call vision. However,Empedocles and a Dutch scientist named Christian Huygens believed that light was like a wave. According to them,light spread out and travelled like a straight line. This theory was accepted during the 19th century.
    2 .In 1905,Albert Einstein published a research paper in which he explained what is re-ferred to as the photoelectric effect. This theory explains that particles make up light.The particles Einstein was referring to are weightless bundles（束）of electromagnetic（电磁）energy called photons（光子）.Today,scientists agree that light has a dual（二重）nature一it is part particle and part wave. It is a form of energy that allows us to see things around us.
    3 .Things that give off light are known as sources of light. During the day,the primary source of light is the sun. Other sources of light include stars,flames,flashlights,street lamps and glowing gases in glass tube.
    4 .When we draw the way light travels we always use straight lines. This is because nor-mally light rays travel in a straight line. However,there are some instances that can change the path and even the nature of light. They are reflection,absorption,interference（干扰）, etc.
    5 .Physicists have attempted to measure the speed of light since the early times. In 1849, Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror located kilometers away and placed a rotating cogwheel（旋转齿轮）between the beam and the mirror. From the rate of rotation of the wheel,number of wheel's teeth and distance of the mirror,he was able to calculate that the speed of light is 313 million meters per second. In a vacuum（真空）,however,the speed of light is 299,792,458 meters per second. This is about a million times faster than the speed of an airplane.

    Paragraph 5______
    A: How Is the Nature of Light Explained Today?
    B: What Are Sources of Light?
    C: How Did Physicists Measure the Speed of Light?
    D: How Does Light Travel?
    E: How Did People Think of Light Years Ago?
    F: What Causes a Shadow?

    答案：C
    解析：
    该概括大意与完成句子所选的阅读材料为记述文，段落主题相对于论述文而言较松散，因此记述文中的段落大意往往需要考生根据自己的理解而归纳概括出来。解答概括大意题的技巧往往派不上用场。第二段主要讲述现代科学家认同了爱因斯坦的光电效应理论。因此可以判断A选项“当今人们如何解释光的性质”正确。
    第三段第一句“Things that give off light are known as sources of light.”就点明主旨，发光的物体是光源。所以B选项“什么是光源？”正确。
    第四段主要讲述光传播的问题，所以D选项“光是如何传播的”正确。
    第五段的关键字是speed of light，光速。所以C选项“物理学家如何测量光的速度”正确。
    题干意为“人们可以看见物体是因为光……。“从第二段最后一句可知，人们看见物体是因为光是一种能量。所以F项a form of energy正确的。
    题干意为“星星、火焰、手电筒都是……的例子。”第三段“Other sources of light include stars , flames , flashlights...”说明，这些都是光源的例子。所以A选项sourcesof light是正确的。
    题干意为“某些情况下，如反射和吸收可以改变……。”第四段中“there are some instances that can change the path and even the nature of light.They are reflection,ab-sorption , interference , etc.”这说明有一些情况可以改变光的路径。所以C选项the path of light是正确的。
    题干意为“Hippolyte Fizeau做了一个刚试……的实验。”文中最后一段 “Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror...he was able to calculate that the speed of light...”可知Hippolyte Fizeau通过实验计算出了光速。所以B选项是正确的。

  • 第4题：

    共用题干
    Learn About Light

    1 Ancient civilizations were amazed by the existence of light for thousands of years?The Greek philoso-
    phrrs believed that light was made up of countless,tiny particles that enter the human eye and create what
    we call vision.However,Empedocles and a Dutch scientist named Christian Huygens believed that light wag
    like a wave.According to them,light spread out and travelled like a straight line.This theory was accepted
    during the 19th century.
    2 In 1905,Albert Einstein published a research paper in which he explained what is referred to as the
    photoelectric effect.This theory explains that particles make up light.The particles Einstein was referring to
    are weightless bundles（束）of electromagnetic（电磁）energy called photons（光子）.Today,scientists agree
    that light has a dual（二重）nature一it is part particle and part wave. It is a form of energy that allows us to
    see things around us.
    3 Things that give off light are known as sources of light.During the day,the primary source of light is
    the sun.Other sources of light include stars,flames,flashllights,street lamps and glowing gases in glass
    tube.
    4 When we draw the way light travels we always use straight lines.This is because normally light rays
    travel in a straight line.However,there are some instances that can change the path and even the nature of
    light. They are reflection,absorption,interference（干扰）,etc.
    5 Physicists have attempted to measure the speed of light since the early times.In 1849,Hippolyte
    Fizeau conducted an experiment by directing a beam of light to a mirror located kilometers away and placed
    a rotating cogwheel（旋转齿轮）between the beam and the mirror. From the rate of rotation of the wheel,
    number of wheel'S teeth and distance of the mirror,he was able to calculate that the speed of light is 313
    million meters per second.In a vacuum（真空）,however,the speed of light is 299,792,458 meters per
    second.This is about a million times faster than the speed of an airplane.

    Objects are visible to the human eye as light is_______.
    A:sources of light
    B:the speed of light
    C:the path of light
    D:a straight line
    E:a beam of light
    F:a form of energy

    答案：F
    解析：
    第二段前半部分介绍了爱因斯坦的光电效应理论，后半部分则介绍了现代科学家对于 光的看法：他们认为光具有二重性。
    第三段主要讲述了光源的定义和常见的光源，故选B。
    第四段主要讲述了光的传播方式以及影响光的传播方式和性质的因素，故选D。
    第五段以Flippolvte Fizeau为例，介绍了物理学家是如何测定光速的，故选C。
    文章第一段中只提到光像一条直线一样传播，而并非说光是一条直线。另外，由第二段 最后一句话“it is a form of energy that allows us to see things around us.”可知，光是一种能让我 们看到周围事物的能量，故选F。
    山第三段的最后一句话“Other sources of light include stars, flames, flashlights, street lamps and glowing gases in glass tube.”可知，应选A。
    由第四段最后两句话可知，一些因素会影响光的传播路径，这些因素包括光的反射、光 的吸收和光的干扰，故选C。
    由第五段的实例可知,Hippolyte Fizcau是用一束光测出了光的速度，故选B。第4部分；阅读理解第一篇 本篇文章主要讲述了石墨烯对于将未电子学发展的重要性以及人们可用一种简单的方式发 现石、墨烯。

  • 第5题：

    引缆（）

    • A、heaving line
    • B、heavy line
    • C、light line
    • D、head line

    正确答案:A

  • 第6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7题：

    单选题
    A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.
    A

    engaged in underwater construction

    B

    under sail and power

    C

    a pilot vessel

    D

    trawling


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.
    A

    alter course to port

    B

    maintain course and speed

    C

    alter course to starboard

    D

    maintain course and reduce speed


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which word indicates color variation in the characteristics of a light?（）
    A

    Opposing

    B

    Changing

    C

    Reversing

    D

    Alternating


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    A list signal of one white light indicates that the vessel is （）.
    A

    on an even keel

    B

    listing about 1° to the side the light is displayed on

    C

    listing over 5° With the light displayed on the high side

    D

    listing，and the chutes should be directed to the side where the light is displayed


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement concerning Montauk Point Light is TRUE（）.
    A

    The light comes on at sunset

    B

    There is an emergency light if the main light is extinguished

    C

    The height of the light is 24 feet

    D

    The tower is painted with black and white stripes


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    A radar range to a small，charted object such as a light will provide a line of position in which form? （）
    A

    Straight line

    B

    Arc

    C

    Parabola

    D

    Hyperbola


    正确答案： B
    解析： 暂无解析

  • 第13题：

    A buoy marking a wreck will show a(an) ______.

    A.white light FL (2) and a topmark of 2 black spheres

    B.occulting green light and may be lettered

    C.yellow light and will be numbered

    D.continuous quick white light and may be numbered


    正确答案：A
    FL(2)白光灯和两黑球体顶标的浮标表示沉船。

  • 第14题：

    共用题干
    Learn about Light
    1 .Ancient civilizations were amazed by the existence of light for thousands of years. The Greek philosophers believed that light was made up of countless,tiny particles that enter the human eye and create what we call vision. However,Empedocles and a Dutch scientist named Christian Huygens believed that light was like a wave. According to them,light spread out and travelled like a straight line. This theory was accepted during the 19th century.
    2 .In 1905,Albert Einstein published a research paper in which he explained what is re-ferred to as the photoelectric effect. This theory explains that particles make up light.The particles Einstein was referring to are weightless bundles（束）of electromagnetic（电磁）energy called photons（光子）.Today,scientists agree that light has a dual（二重）nature一it is part particle and part wave. It is a form of energy that allows us to see things around us.
    3 .Things that give off light are known as sources of light. During the day,the primary source of light is the sun. Other sources of light include stars,flames,flashlights,street lamps and glowing gases in glass tube.
    4 .When we draw the way light travels we always use straight lines. This is because nor-mally light rays travel in a straight line. However,there are some instances that can change the path and even the nature of light. They are reflection,absorption,interference（干扰）, etc.
    5 .Physicists have attempted to measure the speed of light since the early times. In 1849, Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror located kilometers away and placed a rotating cogwheel（旋转齿轮）between the beam and the mirror. From the rate of rotation of the wheel,number of wheel's teeth and distance of the mirror,he was able to calculate that the speed of light is 313 million meters per second. In a vacuum（真空）,however,the speed of light is 299,792,458 meters per second. This is about a million times faster than the speed of an airplane.

    Stars,flames,flashlights are some examples of______.
    A: sources of light
    B: the speed of light
    C: the path of light
    D: a straight line
    E: a beam of light
    F: a form of energy

    答案：A
    解析：
    该概括大意与完成句子所选的阅读材料为记述文，段落主题相对于论述文而言较松散，因此记述文中的段落大意往往需要考生根据自己的理解而归纳概括出来。解答概括大意题的技巧往往派不上用场。第二段主要讲述现代科学家认同了爱因斯坦的光电效应理论。因此可以判断A选项“当今人们如何解释光的性质”正确。
    第三段第一句“Things that give off light are known as sources of light.”就点明主旨，发光的物体是光源。所以B选项“什么是光源？”正确。
    第四段主要讲述光传播的问题，所以D选项“光是如何传播的”正确。
    第五段的关键字是speed of light，光速。所以C选项“物理学家如何测量光的速度”正确。
    题干意为“人们可以看见物体是因为光……。“从第二段最后一句可知，人们看见物体是因为光是一种能量。所以F项a form of energy正确的。
    题干意为“星星、火焰、手电筒都是……的例子。”第三段“Other sources of light include stars , flames , flashlights...”说明，这些都是光源的例子。所以A选项sourcesof light是正确的。
    题干意为“某些情况下，如反射和吸收可以改变……。”第四段中“there are some instances that can change the path and even the nature of light.They are reflection,ab-sorption , interference , etc.”这说明有一些情况可以改变光的路径。所以C选项the path of light是正确的。
    题干意为“Hippolyte Fizeau做了一个刚试……的实验。”文中最后一段 “Hippolyte Fizeau conducted an experiment by directing a beam of light to a mirror...he was able to calculate that the speed of light...”可知Hippolyte Fizeau通过实验计算出了光速。所以B选项是正确的。

  • 第15题：

    Light rays are turned aside by the intense gravitational field surrounding a black hole.

    A:heightened
    B:deflected
    C:rotated
    D:created

    答案：B
    解析：
    本句意思：光线在接近到环绕在黑洞旁边的强烈的引力场时迅速转向。heighten的意 思为“提高，升高”;deflect的意思为“使偏转，使偏斜”;rotate的意思为“旋转；使……转动，循环”; create的意思为“创造，创作”。turn aside的意思为“避开，闪开；使转变方向”，和deflect的意思 接近。

  • 第16题：

    送撇缆上岸。（）

    • A、Send rope to shore .
    • B、Send heavy line to shore .
    • C、Send heaving line ashore .
    • D、Send light line ashore .

    正确答案:C

  • 第17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18题：

    单选题
    A buoy with a composite group-flashing light indicates a(n)（）.
    A

    bifurcation

    B

    fish net area

    C

    anchorage area

    D

    dredging area


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    When using a buoy as an aid to navigation which of the following should be considered?（）
    A

    The buoy should be considered to always be in the charted location

    B

    If the light is flashing，the buoy should be considered to be in the charted location

    C

    The buoy may not be in the charted position

    D

    The buoy should be considered to be in the charted position if it has been freshly painted


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    A buoy marking a wreck will show a(n)（）.
    A

    white light FL (2) and a topmark of 2 black spheres

    B

    occulting green light and may be lettered

    C

    yellow light and will be numbered

    D

    continuous quick white light and may be numbered


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    The irregular black line around a charted light such as Race Rock Light indicates that it is （）.
    A

    unwatched

    B

    surrounded by riprap

    C

    a minor light

    D

    constructed on an artificial island


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    You have berthed in a area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?（）.
    A

    A flashing yellow light

    B

    A red light visible all around the horizon

    C

    A green light visible all around the horizon

    D

    An illuminated red and yellow caution flag


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）
    A

    You are to the left of your track line

    B

    Your fathometer reads about 265 fathoms

    C

    You are in a cable area

    D

    You are governed by the Inland Rules


    正确答案： A
    解析： 暂无解析

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