Mr. Wakeham ______ the reports as speculation. A: dismembered B: dismantled C: dismayed D: dismissed

Radio and television make it possible for the news to be widely ______. A: dislocated B: disseminated C: disbanded D: dismantled

The two astronauts have splashed down in the Pacific Ocean, only five miles from the aircraft carrier that was（）for the recovery mission. A: detach B: dispatched C: devote D: dismantled

It is necessary to make sure that there are no loose parts left in the crankcase before using the turning gear because ______. A: some parts of the running gear have been dismantled B: during dismantling work, lubrication lines and orifices are sealed<br/>off C: loose parts jammed in the crankcase are likely to cause damage D: pipes are relieved of pressure before the repair work