甲类航海英语2580题库（附完整翻译）(19)

KEY: C气胀式救生筏能够通过将整个壳箱抛出船外和然后拉出救生筏的操作绳索而被手动释放。

[495] An inflatable life raft is hand-launched by ______.

A. pulling a cord B. cutting the wire restraining bands

C. removing the rubber packing strip D. throwing the entire container overboard KEY: D气胀式救生筏通过将整个壳箱抛出船外手动释放。

[496] An inflatable life raft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?______. A. The sea anchor deploys B. The floor inflates

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C. If upside down, the craft rights itself D. The painter detaches from the raft

KEY: A气胀式救生筏自沉船上抛入水中。在系艇索松开救生筏的CO2瓶口时自动发生了什么？海锚被打开 [497] 同上

[498] An inflatable life raft should be lifted back aboard the ship by using ______. A. the single hook at the top of the raft B. two lines passed under the raft C. the towing bridle D. All of the above KEY: C气胀式救生筏应使用拖带环被吊回船上。 [499] 同上

[500] An inflatable life raft equipped with a SOLAS B pack must be stowed ______. A. so as to float free B.with the vessel?s emergency equipment C. near the wheelhouse D. as far forward as possible

KEY: A根据 SOLAS B部分的气胀式救生筏必须被积载以便能自由漂浮。 [501] An inflatable life raft should be manually released from its cradle by ______. A. cutting the straps that enclose the container

B. removing the rubber sealing strip from the container C. loosening the turnbuckle on the securing strap D. pushing the button on the hydrostatic release

KEY: D一个气胀式救生筏从架子上手动释放时通过按下静水压力释放器。 [502] An intermediate spring is ______. A. fitted in each leg of the towing bridle

B. generally located between the “fishplate” and the main towing hawser C. secured at the “H” bitts D. usually made of manila hawser

KEY: B中间倒缆通常位于鱼尾板和主拖缆之间。 [503] An isotherm is ______.

A. a line on a weather map connecting equal points of both temperature and pressure B. an instrument that measures the climatological effects of temperature C. a line connecting points of equal barometric pressure on a weather map D. a line connecting points of equal temperature on a weather map KEY: D等温线是在天气图上相等温度的点的连线。 [504] An occluded front is caused by a(n) ______.

A. low pressure area B. high pressure area

C. area of calm air D. cold front overtaking a warm front KEY: D锢囚锋是由于冷锋赶上暖风造成的。 [505] An occulting light is one in which ______.

A. the period of darkness exceeds the period of light B. there is only a partial eclipse of the light C. the periods of light and darkness are equal

D. the period of light exceeds the period of darkness

KEY: D互光灯是灯亮的时间比灯暗的时间长的一种灯质。

[506] An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful

Which action should now be taken?______. A. Abandon the towing vessel. B. Radio for emergency assistance.

C. Slip the towline and allow it to run off the drum. D. Secure all watertight openings on the towing vessel.

KEY: C一艘远洋拖带船正在深水中下沉。试图切断拖揽但没有成功。此时应采取什么措施？松出拖揽并自鼓轮上脱落。

[507] An ocean towing bridle whose legs are equal length, but too short, may ______. A. fail to provide spring in the hawser B. cause unequal distribution of the load to one leg

C. cause the bridle legs to jump clear of the chocks or fairleads D. None of the above

KEY: A一远洋拖索的边长度相等，但是太短可能在拖索上不能提供缓冲或者是弹力。 [508] An on-load release system on a survival craft means the cable can be released ______. A. only when the load is taken off the cable

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