two stations，including one on the nearest coast
two stations，including one on the nearer coast
three stations，including one on the farthest coast
three stations，including one on the nearest coast
第1题：
Radar is not only to obtain ________ ，but also to measure their distances away from you．
A.brightness of objects
B.color of targets
C.shape of targets
D.bearings of objects
第2题：
A look-out should report objects sighted using ______．
A.True bearings
B.Magnetic bearings
C.Gyro bearings
D.Relative bearings
第3题：
A、research
B、respect
C、cross-cultural communication
D、unilateral communication
第4题：
Which of the following kdb subcommands should be entered to obtain information about a serial port?（）
第5题：
A vessel’s position should be plotted using bearings of ______.
A.buoys close at hand
B.fixed known objects on shore
C.buoys at a distance
D.All of above
第6题：
A "dangerous cargo manifest" is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this "manifest" from the ______.
A.manufacturer
B.ABS
C.Coast Guard
D.shipper
第7题：
To obtain accuracy in fixing by DF，______ and three stations should be used．
A.Parallel bearings
B.Long-range bearings
C.Short-range bearings
D.Cross bearings
第8题：
What is FHWA’s suggestion to states?
A. Fixing more traffic lights.
B. Providing more crosswalks.
C. Giving pedestrians more time to cross streets.
D. Increasing the time before the orange lights appear.
第9题：
Which of the following dbx commands should be used to obtain a stack trace from a coredump file?（）
第10题：
Which of the following commands should be used to obtain information about the software packages available on the installation media？（）