题目内容（请给出正确答案）

[主观题]

No navigational aids are shown and chart is not kept corrected for alterations in depths i

nside the pecked lines．For more detailed information，the larger scale charts must be______．

A.bought

B.analyzed

C.consulted

D.Published

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更多“No navigational aids are shown…”相关的问题

第1题

Navigators use navigational aids, such as__（罗经）.A.sextantB.binocularsC.compassD.loran

Navigators use navigational aids, such as__（罗经）.

A.sextant

B.binoculars

C.compass

D.loran

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第2题

航行警告

navigational aids

A.助航设备

B.航行警告

C.主罗经

D.磁罗经

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第3题

navigational aidsA.助航设备B.航行警告C.主罗经D.磁罗经

navigational aids

A.助航设备

B.航行警告

C.主罗经

D.磁罗经

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第4题

No navigational aids are shown and the chart is not kept corrected for alterations in dept

hs inside the pecked lines． For more detailed information，the larger scale charts must be ______.

A.referred to

B.appreciated

C.met with

D.concerned

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第5题

The information on ______ is not likely found in The Mariners Handbook（NP100）．A.IALA Buoya

The information on ______ is not likely found in The Mariners Handbook（NP100）．

A.IALA Buoyage system

B.hydrography，topography，navigational aids and their services

C.basic meteorology and navigation in ice and hazards and restrictions to navigation

D.information on tides，currents and characteristics of the sea

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第6题

As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in th

e Official Logbook or other permanent record ______.

A.all information contained on the barge's Certificate of Inspection

B.the condition of all towing gear to be used

C.all navigational aids to be used

D.the barges load line and draft readings

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第7题

Public goods are those commodities from whose enjoyment nobody can be effectively excluded

. Everybody is free to enjoy the benefits of these commodities, and one person' s utilization does not reduce the possibilities of anybody else' s enjoying the same good.

Examples of public goods are not as rare as one might expect. A flood control dam is a public good. Once the dam is built, all persons living in the area will benefit--irrespective of their own contribution to the construction cost of the dam. The same holds true for highway signs or aids to navigation. Once a lighthouse is built, no ship of any nationality can be effectively excluded from the utilization of the lighthouse for navigational purposes. National defense is another example. Even a person who voted against military expenditures or did not pay any taxes will benefit from the protection afforded.

It is no easy task to determine the social costs and social benefits associated with a public good. There is no practicable way of charging drivers for looking at highway signs, sailors for watching a lighthouse, and citizens for the security provided to them through national defense: Because the market does not provide the necessary signals, economic analysis has to be substituted for the impersonal judgement of the marketplace.

With what topic is the passage mainly concerned？

A．Mechanisms for safer navigation.

B．The economic structure of the marketplace.

C．A specific group of commodities.

D．The advantages of lowering taxes.

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第8题

Public goods are those products from whose enjoyment nobody can be effectively excluded. E

verybody is free to enjoy the benefits of these commodities, and one person’s utilization(利用)does not reduce the possibilities of anybody else’s enjoying the same good.Examples of public goods are not as rare as one might expect. A flood control dam is a public good. Once the dam is built, all persons living in the area will benefit--regardless of their own contribution to the construction cost of the dam. The same holds true for highway signs or aids to navigation. Once a lighthouse is built, no ship of any nationality can be effectively excluded from the utilization of the lighthouse for navigational purposes. National defense is another example. Even a person who voted against military expenditures or did not pay any taxes will benefit from the protection afforded.It is no easy task to determine the social costs and social benefits associated with a public good. There is no practicable way of charging drivers for looking at highway signs, sailors for watching a lighthouse, and citizens for the security provided to them through national defense.Because the market does not provide the necessary signals, economic analysis has to be substituted(代替) for the impersonal judgement of the marketplace.

31. With what topic is the passage mainly concerned？

A. Mechanisms for safer navigation.

B. The economic structure of the marketplace.

C. A specific group of commodities.

D.The advantage of lowering taxes.

32. Which of the following would NOT be an example of a public good as described in the passage？

A.taxi.

B. A bridge.

C. A fire truck.

D. A stoplight.

33. Which of the following can best replace the underlined word “holds”？

A. has