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【单选题】
"i"在"guardia"中如何发音?(小心:不'u') 警卫 guardiaA.
[i]
B.
[j]
C.
[u]
D.
[w]
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】When your vessel is proceeding to congested waters, ( ) is used to determine the exact ranges of other ships or objects in the vicinity.
A.
DF
B.
Satellite Navigator
C.
GPS
D.
Radar
【单选题】When your vessel is on or near the path of an approaching tropical storm the（）.
A.
wind direction remains steady
B.
wind speed increases
C.
barometer falls
D.
All of the above
【单选题】When your vessel is proceeding to the area of traffic density, ___ _ is used to determine the exact ranges of other ships or objects in the vicinity
A.
radar
B.
GPS
C.
AIS
D.
satellite navigator
【单选题】When your vessel is proceeding to the area of traffic density,（）is used to determine the exact ranges of other ships or objects in the vicinity.
A.
radar
B.
GPS
C.
DF
D.
satellite navigator
【单选题】When your vessel is proceeding to the area of traffic density，______ is used to determine the exact ranges of other ships or objects in the vicinity．
A.
Radar
B.
GPS
C.
DF
D.
Satellite Navigator
【单选题】When your vessel is proceeding to the area of traffic density _____is used to determine the exact ranges of other ships or objects in the vicinity.
A.
Satellite Navigator
B.
GPS
C.
DF
D.
Radar
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