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【单选题】
下列命题: (1)复平面内,纵坐标轴上的单位是 (2)任何两个复数都不能比较大小 (3)任何数的平方都不小于0 (4)虚轴上的点表示的虚数 (5)实数是复数 (6)虚数是复数 7)实轴上的点表示的数都是实数. 其中正确的个数是( )
A.
3
B.
4
C.
5
D.
6
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【单选题】In marine navigation，______is a place where a ship anchors or may anchor．
A.
Fairway
B.
Channel
C.
Separation zone
D.
Roadstead
查看完整题目与答案
【单选题】The purpose of the voyage and passage plan is to ensure that navigation is planned in adequate detail with contingency plans where appropriate to ensure safety navigation throughout the intended voyag...
A.
anchorage to anchorage
B.
pilot station to pilot station
C.
berth to berth
D.
berth to pilot station
查看完整题目与答案
【单选题】Visual piloting requires bearings from at least ______objects; radar, with its ability to determine both bearing and range from ______ object, allows the navigator to obtain a fix where only a single ...
A.
two, two
B.
one, one
C.
two, one
D.
one, two.
查看完整题目与答案
【单选题】Where is the wheelhouse?____
A.
On the boat deck
B.
On the upper deck
C.
On the navigation deck
D.
On the continuous deck
查看完整题目与答案
【简答题】The Global Positioning System (GPS) is a space-based global navigation satellite system that provides location and time information in all weather, anywhere on or near the Earth, where there is an uno...
查看完整题目与答案
【单选题】Is the ship using the maximum lighting available while underway,consistent with safe navigation?
A.
The speaker wants to know when the maximum lighting is used on board
B.
The speaker wants to know where the navigation lights are
C.
The speaker wants to know how to use the maximum lighting
D.
The speaker wants to know whether the ship uses the maximum lighting available while underway
查看完整题目与答案
【简答题】翻译 They are the compass deck on which navigating instruments are arranged, the navigation deck where the wheelhouse is situated, the boat deck on which life-boats are fixed, and the accommodation deck...
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【单选题】关于握手的顺序礼仪,描述不正确的有:
A.
先伸手者为地位低者
B.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
C.
下级与上级握手，应该在上级伸手之后再伸手
D.
男士与女士握手，男士应该在女士伸手之后再伸手
查看完整题目与答案
【单选题】关于握手的顺序礼仪,描述不正确的有
A.
下级与上级握手，应该在上级伸手之后再伸手
B.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
C.
先伸手者为地位低者
D.
男士与女士握手，男士应该在女士伸手之后再伸手
查看完整题目与答案
【单选题】关于握手的顺序礼仪，描述不正确的有
A.
先伸手者为地位低者
B.
男士与女士握手，男士应该在女士伸手之后再伸手
C.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
D.
下级与上级握手，应该在上级伸手之后再伸手
查看完整题目与答案
相关题目：
【单选题】In marine navigation，______is a place where a ship anchors or may anchor．
A.
Fairway
B.
Channel
C.
Separation zone
D.
Roadstead
查看完整题目与答案
【单选题】The purpose of the voyage and passage plan is to ensure that navigation is planned in adequate detail with contingency plans where appropriate to ensure safety navigation throughout the intended voyag...
A.
anchorage to anchorage
B.
pilot station to pilot station
C.
berth to berth
D.
berth to pilot station
查看完整题目与答案
【单选题】Visual piloting requires bearings from at least ______objects; radar, with its ability to determine both bearing and range from ______ object, allows the navigator to obtain a fix where only a single ...
A.
two, two
B.
one, one
C.
two, one
D.
one, two.
查看完整题目与答案
【单选题】Where is the wheelhouse?____
A.
On the boat deck
B.
On the upper deck
C.
On the navigation deck
D.
On the continuous deck
查看完整题目与答案
【简答题】The Global Positioning System (GPS) is a space-based global navigation satellite system that provides location and time information in all weather, anywhere on or near the Earth, where there is an uno...
查看完整题目与答案
【单选题】Is the ship using the maximum lighting available while underway,consistent with safe navigation?
A.
The speaker wants to know when the maximum lighting is used on board
B.
The speaker wants to know where the navigation lights are
C.
The speaker wants to know how to use the maximum lighting
D.
The speaker wants to know whether the ship uses the maximum lighting available while underway
查看完整题目与答案
【简答题】翻译 They are the compass deck on which navigating instruments are arranged, the navigation deck where the wheelhouse is situated, the boat deck on which life-boats are fixed, and the accommodation deck...
查看完整题目与答案
【单选题】关于握手的顺序礼仪,描述不正确的有:
A.
先伸手者为地位低者
B.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
C.
下级与上级握手，应该在上级伸手之后再伸手
D.
男士与女士握手，男士应该在女士伸手之后再伸手
查看完整题目与答案
【单选题】关于握手的顺序礼仪,描述不正确的有
A.
下级与上级握手，应该在上级伸手之后再伸手
B.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
C.
先伸手者为地位低者
D.
男士与女士握手，男士应该在女士伸手之后再伸手
查看完整题目与答案
【单选题】关于握手的顺序礼仪，描述不正确的有
A.
先伸手者为地位低者
B.
男士与女士握手，男士应该在女士伸手之后再伸手
C.
客人到来之时，应该主人先伸手；客人离开时，客人先握手
D.
下级与上级握手，应该在上级伸手之后再伸手
查看完整题目与答案