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• A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.

  A . hydraulic current B . rectilinear current C . rotary current D . harmonic current

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• A swift current occurring in a narrow passage connecting two large bodies of water，which is produced by the continuously changing difference in height of tide at the two ends of the passage，is called a（）.

  A . hydraulic current B . rectilinear current C . rotary current D . harmonic current

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• A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）

  A . The vessel moving upstream against the current B . The vessel moving downstream with a following current C . The vessel located more towards the channel centerline D . The vessel with the least amount of maneuverability

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• A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.

  A . smelling the bottom B . squatting C . bank suction D . bank cushio

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• Any vessel shall，if the circumstances of the case admit，avoid（）in a narrow channel.

  A . anchor B . to anchor C . anchoring D . to anchoring

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• A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.

  A . smelling the bottom B . squatting C . bank suction D . bank cushio

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• Which of the following is not considered a common approach to narrow the field of potentialproblem causes？ （Choose the best answer.）（）

  A . Following the traffic path B . Top-down C . Comparing configurations D . Bottom-up E . Divide and conquer F . Examine SLA

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• You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.

  A、cross the channel as you are the stand-on vessel B、cross only if the vessel in the channel is approaching on your port side C、not cross the channel if you might impede the other vessel D、sound the danger signal

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• When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?（）

  A . the power of main engine will be reduced B . exhaust temperature will be increased C . the speed of the ship will be reduced D . the propulsion characteristic of propeller will keep unchanged

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• Which of the following is not considered a common approach to narrow the field of potential problem causes（）

  A . Following the traffic path B . Top-down C . Comparing configurations D . Bottom-up E . Divide and conquer F . ExamineS LA

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• Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）

  A .  They are both regions of lowest loss. B .  They are both regions of low reflections. C .  They are both regions of low index of refraction. D .  They are both regions of low chromatic dispersion. E .  They are both regions of low Polarization Mode Dispersion （PMD）.

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• A section of the river that is narrower than usual and is often navigable from bank to bank is a（）.

  A . chute B . stabilized channel C . slough D . navigable pa

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• A sailing vessel is overtaking a power-driven vessel in a narrow channel，so as to pass on the power-driven vessel’s port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the（）.

  A . stand-on vessel and would sound two short blasts B . give-way vessel and would sound no whistle signal C . stand-on vessel and would sound no whistle signal D . give-way vessel and would sound two prolonged blasts followed by two short blast

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• The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）

  A . It forces the bow away from the bank B . It forces the stern away from the bank C . It forces the entire vessel away from the bank D . It heels the vessel toward the bank

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• Of all the amplifiers, this product with its wide range provides __________ stability within the audible spectrum.

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• _____ is an abnormal narrowing of the larynx (voice box).

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• You intend to overtake a vessel in a narrow channel.As you approach the other vessel’s stern _______

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• I found this very profitable in diminishing the intensity of narrow-minded prejudice.

  A．lessening B．reflecting C．removing D．increasing

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• With a candle in hand, he carefully_____the narrow stairs to his bedroom.

  A．asserted B．ascertained C．assembled D．ascended

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• A vessel proceeding along the course of a narrow channel shall keep as near to the outer limit of the channel which lies on her starboard side as it is safe and practicable．Which one of the followings does the statement express？

  A.A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable B.A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable C.A vessel shall avoid proceeding along the channel because it is not safe and practicable D.A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable

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• When seen on a map, the republic of Chile looks like a long piece of narrow ribbon on the southwestern coast of North America.__________________

  对 错

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• Which one of the following statements is NOT true about the sentence “On one end of the spectrum , we’ve heard the implication that my candidacy is somehow an exercise in affirmative action ”？

  A.“Spectrum” here refers to a wide variety of different opinions. B.Obama tries to respond to some of the doubts over his candidacy. C.Obama tries to point out a misjudgment a lot of people had for his candidacy --- Obama could become the candidate of the president just because he took advantage of some of the policies that favored the underprivileged people such as the black, the women, the disabled in order to ensure the social equality and his candidacy had nothing to do with his qualification D.Obama tries to point out a misjudgment a lot of people had for his candidacy --- Obama could become the candidate of the president just because a lot of people agree to do so.

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• Consonants are formed by interrupting, narrowing or diverting the airflow in a variety of ways. There are three ways of classifying the English consonant sounds: __________ of articulation, manner of

  A．place B．obstruction C．aspiration D．vibration

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• Scholars around the world are convinced that more than 20,000 years ago,the first American settlers arrived in the continent from Asia to America, across a narrow land strip where the___ is today（）

  A．Malacca Strait B．Bering Strait C．English Channel D．Mozambique Channel

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