海船船员考试
单选题A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.A high density will be on the left in the Northern HemisphereB high density will be on the right in the S
题目
high density will be on the left in the Northern Hemisphere
high density will be on the right in the Southern Hemisphere
low density will be on the left in the Northern Hemisphere
low density will be on the left in the Southern Hemisphere
相似问题和答案
第1题：
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）
A.0
B.1
C.2
D.3
第2题：
Which statement concerning current is TRUE ________．
A.Current can be determined by measuring the direction and distance between simultaneous EP and DR positions
B.The drift of the current should be averaged out on a one hour basis
C.After the current is determined，it should not be used for further plotting because it is an unknown variable
D.The distance between a simultaneous DR position and fix is equal to the drift of the current
第3题：
The discussion should reach beyond scientific societies because __________.
A. scientists have failed to predict the outcomes
B. the ties between different areas need strengthening
C. united efforts are necessary for the development of science
D. people need to work together to prevent the bad use of science
第4题：
What does the command show | compare rollback 1 display?（）
- A、the difference between the current candidate configuration and the candidate configuration from one commit ago
- B、the difference etween the current active configuration and the active configuration from the one commit ago
- C、the difference between the current active configuration and the active configuration from one commit ago
- D、the difference between the current candidate configuration and the archived configuration from one commit ago
正确答案:D
第5题：
Current refers to the ______.
A.vertical movement of the water
B.horizontal movement of the water
C.density changes in the water
D.None of the above
流指的是水的水平运动。
第6题：
When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
第7题：
A ______ is created by a pressure gradient or slope in the water level．
A.gradient current
B.density current
C.swift current
D.torrent current
第8题：
By saying that "the problems of mechanizing some areas are not only cultural in nature", the author means______.
A) mechanization is not yet introduced in some areas for economic reasons
B) human and animal labour in some areas are less expensive
C)culture is not a factor in obstacling the introduction of mechanization
D) different kinds of mechanized fanning tools are used in different cultures
答案：A
[试题分析]推理题。
[详细解答]意为：“某些地区未实现机械化是由于经济方面的原因”。最后一段指出，在某些地区实行机械化从本质上来看并不仅是个文化问题，例如：热带土壤和作物与温带(temperate areas)明显不同，所以，为温带设计的农具不能用于热带，必须加以改造。但是，实现机械化最大的障碍是：落后国家的农民害怕被机器代替(displaced)，因为会失去谋生手段。后者是经济原因。
第9题：
B.rest
C.cause
D.conceal
第10题：
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）
- A、0
- B、1
- C、2
- D、3
正确答案:B