A．inaccessibleB．inadvisableC．inefficientD．incomplete A: inaccessible B: inadvisable C: inefficient D: incomplete

Itis（）formarinerstocombinetheSARTwithafloat-freesatelliteEPIRB. A: essential B: compulsory C: optional D: inadvisable

At the end of the interview, it is ___________ for you to stand and look at the interviewers in the eyes, give a firm handshake and thank them for their time. A: important B: inadvisable C: imprudent D: ridiculous

If an actual engine failure should occur immediately after takeoff and before a safe maneuvering altitude is attained, it is usually ___________ to attempt to turn back to the field from where the takeoff was made. A: advisable B: inadvisable C: advisory D: adverse