单项选择题
There is actually an overlapped area of（）ocean regions somewhere in Western European waters.
A.two
B.three
C.more than two
D.more than three
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相关考题
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单项选择题
The INMARSAT system has five major components, they are:（）
A.Space Segment, NCC, RCC, SES, and CES
B.Space Segment, a satellite system, C system, NCC and NCS
C.Space Segment, NCC, NCS, CES and SES
D.A system, C system, satellite system, earth stations and NCS -
单项选择题
The INMARSAT consists of（）major components.
A.4
B.9
C.8
D.5 -
单项选择题
Why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because（）.
A.the weather is always terrible
B.the condition there is complicated
C.the signals are too strong
D.their SES may recive the signals from unwanted satellite
