Cast iron and gunmetal fittings are used freely in small sizes at moderate pressure; large fittings, those for high pressure and temperature are cast or mild steelIn the above sentence, the word “those” means （）.

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• Many cast iron pistons are designed with heat dams, which serve to （）

  A . keep piston crown temperatures elevated for smoother combustion B . reduce the possibility of overheating the top compression ring C . help retain the heat of compression to prevent ignition delay D . help retain the heat of compression to prevent combustion knock

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• Any ships fitted with SES can（）and（）through the satellite system when sending a distress alert.

  A . enter the system / contact an RCC B . access to INMARSAT / establish contact with a CES C . have absolute priority to enter the system / make contact with a CES D . enter the system gradually / wait for rescue

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• An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.

  A . viscosity B . twisting moments C . inertia D . thermal expansio

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• A cast steel strong back is fitted in way of the combustion space to help absorb （）.

  A . flame temperature B . fuel oil C . air movement D . gas force

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• A number of cylinder liners are enclosed in one cast iron casing to form a （）.

  A . cylinder cover B . cylinder block C . cylinder frame D . bed-plate

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• Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.

  A . a month B . in each week C . in every 6 months D . in every 12 month

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• Every ship must fitted with（）SART, and（）two-way VHF radio telephone.

  A . 1,2 B . 2,3 C . 2,1 D . 3,2

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• The cast iron（）for the cross-head are attached to the top section and seal off the crankcase.

  A . cylinder cover B . cross-head shoes C . guide-ways D . scavenging boxe

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• Cast iron pistons used in large propulsion diesel engines are constructed with （）

  A . not taper what so ever B . the skirt being tapered and smaller than the crown C . the skirt being tapered and larger than the crown D . the crown being tapered and smaller than the skirt

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• All the following except（）are fittings for securing and lashing containers on board ships.

  A . stackers B . twistlock C . bridge fittings D . containment boom

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• An advantage of aluminum pistons, when compared to cast iron pistons is （）.

  A . greater high temperature strength B . better heat conductivity C . greater weight per cubic inch D . increased resistance to wear

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• The fitting that allows a boom to move freely both vertically and laterally is called the （）.

  A . swivel B . lizard C . spider band D . gooseneck

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• Two mooring lines may be placed on the same bollard and either one cast off first if（）.

  A . the eye of the second line is dipped B . the mooring lines are doubled C . the bollard has two horns D . one of the lines is a breast line

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• "Cast iron has poor corrosion resistance to sea water, especially in the presence of bronzes" Implies（）.

  A . east iron is a cheap material B . cast iron can pollute sea water C . cast iron has mere corrosive than bronzes to sea water D . cast iron is more corrosive to sea water when it meets with bronze

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• Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.

  A . cast iron has weakness B . cast iron can stand up shock loading C . cast iron fittings are only suitable in low pressure situation D . east iron fittings are not suitable in low pressure situatio

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• At the top of the A-frames there is a strong cast iron frame called （）.

  A . cylinder liner B . cylinder cover C . the gear box D . the scavenging box

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• （）directly affect the fitness and ability of a seafarer to perform watchkeeping duties.

  A . Smoking B . Drug and alcohol abuse C . Fruit D . Vegetable

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• More and more people are aware of the importance of fitness.

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• Oolong tea can decompose fat, help lose weight and keep fit.

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• The author makes clear both the effects of iron deficiency on people’s health and the

  是 否

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• Some measured all actions by the unalterable rule of right, and the eternal fitness of things.

  A．external B．permanent C．intermittent D．simultaneous

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• （)The settlers introduced iron tools, muskets for hunting, domesticated animals, and

  A．A.True B．B.False C．C.Not Mentioned

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• At length as the craft was cast to one side, and ran ranging along with the White Whale's flank, he seemed strangely oblivious of its advance—as the whale sometimes will---and Ahab was fairly within the smoky mountain mist, which, thrown off from the whale's spout, curled round his great Monadnock hump; he was even thus close to him; when, with body arched back, and both arms lengthwise high-lifted to the poise, he darted his fierce iron, and his far fiercer curse into the hated whale.

  Question: 1. From which novel is this paragraph taken？ 2. What is the name of the novelist？ 3. What is the theme of the novel？

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• The （) can determine whether your background and potential seem to fit the position.

  A．interviewer B． interviewee C． applicant D． candidate

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