The Super Bowl is usually held ().

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  A . the indemnity B . the franchise C . the freight rate D . the cargo cost

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  A . bottom B . top C . center D . periphery

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• For a L√Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will （）.

  A . be interrupted B . move downwards C . move outwards D . retain original positio

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• The principal is usually the importer.

  A . 正确 B . 错误

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• When a clarifier is running the impurities and water collect at the bowl （）.

  A . center B . periphery C . inlet D . upper part

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  A . turbine B . screw C . vaneejector D . centrifugal

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• About the jacket water, that of the auxiliary engines usually（） is circulated by pumps, and the main engine usually （）

  A . an engine-driven；as well B . an engine-driven；has an independent pump C . an independent；as well D . an independent；has an engine-driven pum

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• The steering oar in a lifeboat is usually referred to as the（）.

  A . bumpkin oar B . stroke oar C . sweep oar D . becket oar

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• When reassembling the bowl of a disk-type centrifuge, the bowl or locking ring is rotated （）.

  A、clockwise, due to the bowl rotating clockwise B、clockwise, due to the bowl rotating counterclockwise; C、counterclockwise, due to the bowl rotating clockwise D、counterclockwise, due to the bowl rotating counterclockwise

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• The Local Notice to Mariners is usually published（）.

  A . daily B . weekly C . monthly D . semiannually

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  A . a centrifuge B . an electric motor C . a bowl assembly D . a driving motor

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• A centrifuge of which the bowl is arranged as the upper and lower parts separate discharges the sludge（）

  A . by opening the separator manually B . by separating the lower part from the upper part automatically C . by separating the upper part from the lower part automatically D . continuously

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• When an Enterprise Campus network designer is addressing the merger of two companies with different IGPs， which of the following is considering a super routing design？（）

  A .  Eliminate the management and support for redistribution by choosing and cutting over to asingle IGP at the time of merger B .  Maintain distinct pockets across a moving boundary of routing protocols， redistributing betweenthem C .  Manipulate the administrative distance of the different IGPs to be equal throughout the network D .  Leave the IGPs independent without redistribution wherever communication between companyentities is not required

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• Which of the following problems will occur if a disk-type centrifugal lube oil purifier is not properly primed prior to admitting oil flow to the bowl?（）

  A、Contamination of the lube oil by emulsification will result B、The lube oil will not be subjected to the proper centrifugal force C、The lube oil will overheat and flash D、Oil will discharge from the heavy phase discharge port and be wasted.

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• In an open lifeboat，the lifeboat compass is usually（）.

  A . placed in a fixed bracket when being used B . clamped to any position convenient for the coxswain to see it C . permanently mounted on the lifeboat's centerline D . mounted in the center of the boat to eliminate deviatio

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• Putting salt in the sugar bowl for the next person is ___________.

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• The Chinese way of showing concern is usually appreciated by the Westerners.

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• Usually the thesis statement is the last sentence of the introduction. ( )

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• The Front Office is usually near the main entrance to the hall.

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• There is _____ soup in the bowl.

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• The commemorative speech is usually very brief.

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• The papaya is a tropical fruit usually eaten raw.

  A．unpeeled B．uncooked C．unsweetened D．unsalted

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  A.be interrupted B.move downwards C.move outwards D.retain original position

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• The principal of collection is usually （）

  A．Exporter B．Importer C．Payer D．Agent

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