海船船员考试

单选题The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen（）.A under existing visibility conditionsB under perfect visibilityC with ten miles visibilityD with fifteen miles visibility

题目
单选题
The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen（）.
A

under existing visibility conditions

B

under perfect visibility

C

with ten miles visibility

D

with fifteen miles visibility

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相似问题和答案

第1题：

In English, woman may _________ “Eeek” when they are frightened by something.

A.excel

B.astonish

C.light up

D.exclaim


参考答案：D

第2题：

may be defined as the scientific study of language.

A、Morphology

B、Linguistics

C、Phonology

D、Phonetics


参考答案：B

第3题：

A project may be defined as _____

Aan integrated approach to managing projects

Ba coordinated undertaking of interrelated activities.

Ca group of activities directed by a project manger over a life cycle

Dan undertaking with a defined starting point and defined objectives

EAll of the above.


正确答案：D
D

第4题：

Happiness is subjective，and one that we may not be able to accurately______across all countries. But that obviously isn’t going to stop anyone from trying。

A.try
B.track
C.divide
D.follow

答案：B
解析：
本题考查动词词义辨析。题目意为“幸福是主观的，我们不可能准确地对所有国家进行监测。但是这显然也不能阻止别人进行尝试。”A选项“试图，努力”，B选项“追踪，监测”，C选项“划分，分开”， D选项“跟随，追随”。根据句义，B选项符合题意。
　　

第5题：

A buoy marking a wreck will show a(an) ______.

A.white light FL (2) and a topmark of 2 black spheres

B.occulting green light and may be lettered

C.yellow light and will be numbered

D.continuous quick white light and may be numbered


正确答案：A
FL(2)白光灯和两黑球体顶标的浮标表示沉船。

第6题：

Electronic commerce may be defined as the entire set of processes that support ______ activities on anetwork and involve information analysis．

A．post

B．exchange

C．transfers

D．commercial


正确答案：D
解析：电子商务可以被定义为所有在网络上支持的商业活动和情报分析的过程。

第7题：

when you are steering on a pair of range lights and find the upper light is in line above the lower light ,you should _____.

A.continue on the present course

B.come right

C.wait until the lights are no longer in a vertical line

D.come left


正确答案：A

第8题：

174 A project may be defined as _____

A. an integrated approach to managing projects

B. a coordinated undertaking of interrelated activities.

C. a group of activities directed by a project manger over a life cycle

D. an undertaking with a defined starting point and defined objectives

E. All of the above


正确答案：D

第9题：

How is the intensity of a light expressed in the Light Lists?______.

A.Luminous range

B.Geographic range

C.Nominal range

D.Meteorological range


正确答案：C
灯光强度在灯光表上怎么表示？标称距离。

第10题：

A new switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?（）

  • A、All defined VLANs are allowed on the trunk by default.
  • B、Each VLAN, or VLAN range, that is specified with the switchport mode command.
  • C、Each VLAN, or VLAN range, that is specified with the vtp domain command.
  • D、Each VLAN, or VLAN range, that is specified with the vlan database command.

正确答案:C

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