41. The names of lights having a range of 15 miles and over are printed in ______.

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• Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）

  A . Geographical positions outlining the area of the sector B . True bearings as observed from the ship toward the light C . An outline of the area of the sector D . True bearings as observed from the light toward the shi

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• 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

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• The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.

  A . Ocean Passages for the World B . Admiralty List of Radio Signals C . IALA Maritime Buoyage System D . Admiralty List of Lights and Fog Signal

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• The characteristic of a lighted cardinal mark may be （）.

  A . very quick flashing B . flashing C . fixed D . occulting

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• The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.

  A . ascending the river B . descending the river C . crossing the river D . proceeding towards sea

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• At 0530，your position is LAT 41°12.6’N，LONG 72°08.5’W. What is the color of New London Light?（）

  A . Green B . White C . Red D . Alternating white and gree

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• The latest known details of lights are given in（）.

  A . gives daily predictions of the times and heights of high and low water for a selection of Standard Ports B . lists the principal harmonic constants for all those ports where they are known，for use for prediction by the Simplified Harmonic Method of Tidal Prediction C . is a comprehensive guide for the yachtsman D . permits the mariner to select and simultaneously calculate tidal heights for multiple ports for up to seven day

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• A light is（）from Changshanzui,the SE extremity of the island.

  A . exhibited B . established C . constructed D . built

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• The light rhythm of Morse (A) is shown on（）.

  A . preferred-channel buoys B . starboard- or port-side buoys C . special marks D . safe water buoy

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• The luminous range of a light takes into account the（）.

  A . glare from background lighting B . existing visibility conditions C . elevation of the light D . observer's height of eye

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• The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.

  A . Set B . Frequency C . Period D . Functio

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• What is the light characteristic of a lighted，preferred-channel buoy? （）

  A . Group flashing B . Composite group flashing C . Interrupted quick flashing D . Fixed and flashing

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• How is the intensity of a light expressed in the Light Lists?（）.

  A . Luminous range B . Geographic range C . Nominal range D . Meteorological range

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• Exposure of the body ＿ the strong light may be harmful.

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• What photoreceptors of the eyes react to lots of light or color?

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• As you're daydreaming about Think101 at the traffic light, someone manages to squeeze their way through traffic and cuts you off. You lean out your window and shout, You asshat! and instantly remember the name of the cognitive error you just made…

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• All of the following information concerning lighted aids to navigation may be read directly from the light list except the ______

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• 190. How is the intensity of a light expressed in the Light List?

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• The photoperiodic response of algae actually depends on the duration of darkness, but not on the response of light.

  A．is not on light B．but is not on the light C．and not on light D．the light is not on

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• The earth ___the necessary amount of heat and light from the sun（）

  A．supplies B．receives C．provides D．requires

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• The relation of the earth on its axis is responsible for the_____of periods of light and darkness.

  A．alteration B．alternation C．alternative D．altercation

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• What do the thousands of light beams measure？

  A．The focusing accuracy of the lens of the eye. B．Eye color and vision. C．Where the beams travel. D．The reflection of the retina.

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• The pupil of the eye responds to the change of light intensity.

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• The Chinese meaning of " Red-light district" is （）.

  A．红灯区 B．市中心 C．红绿灯 D．警察局

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