My gyro-compass error is （).A.east two degreesB.two degrees eastC.two east degreesD.two-de

The most accurate method of determining gyrocompass error while underway is by ______．

A.Comparing the gyro azimuth of a celestial body with the computed azimuth of the body

B.Comparing the gyro heading with the magnetic compass heading

C.Determining from the chart the course made good between celestial fixes

D.It cannot be determined accurately at sea due to drift of unknown currents

Which statement about the gyrocompass is FALSE ________．

A.Its accuracy remains the same at all latitudes

B.It seeks the true meridian

C.It can be used near the Earth's magnetic poles

D.If an error exists，it is the same on all headings

A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true

B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true

C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true

D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true

The error in the sentence "I lost my road" is an example of______.

A．addition

B．substitution

C．omission

D．misordering

I hope my students will allow a ______ for error correction.

A．quota

B．margin

C．burial

D．fringe

I shall appreciate your effort in (correct) ________ this error in my bank account as soon as possible.

A.A. I want my money back because you didn't sen4 the product I requested

B.B. You made an error on my financial statement

C.C. Perhaps you overlooked last month's statement, as your account is past due

W: I know there was a problem with the computer system. It should be straightened out by next week.

Q: What does the woman mean？

(14)

A．The man is mistaken.

B．The error will be corrected.

C．She didn't know about the problem.

D．Grades were sent late.