to narrow the spectrum of choice
相似题目
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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)（）.
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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（）.
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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? （）
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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（）.
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Any vessel shall，if the circumstances of the case admit，avoid（）in a narrow channel.
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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（）.
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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.）（）
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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（）.
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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?（）
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Which of the following is not considered a common approach to narrow the field of potential problem causes（）
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Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）
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A section of the river that is narrower than usual and is often navigable from bank to bank is a（）.
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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（）.
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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? （）
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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.
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With a candle in hand, he carefully_____the narrow stairs to his bedroom.
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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？
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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.__________________
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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 ”？
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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
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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（）