The Bermuda Triangleis one______(51)the greatest mysteries of the sea.In this triangular areabetween
to disappear moreoften than in______(53)parts of the ocean.And they do so______(54)leaving anysign of all accidents or any dead bodies.
It is_______(55)thatChristopher Columbus was the first person to record strange happenings in thearea.His compass stopped working,a flame came down from the sky,and a
wave 100 to 200 feethigh carried his ship about a mile away. The most famous disappearance in theBermuda Triangle was the US Naval Air Right 19.______(56) December
5,1945,five bomberplanes carrying 14 men______(57)on a training mission from the
disappeared withouta trace.
The next morning,242planes and 19 ships took part in the largest air-sea search in history.But theyfound nothing. Some people blame the disappearances______(58)
supernaturalforces.It is suggested that the ______(59)ships and planes were eithertransported to other times and places,kidnapped by aliens ______( 60 ) attackedby sea
creatures. Thereare______(61)natural explanations,though.The US Navy says that the BermudaTriangle is one of two places on earth______(62)a magnetic compass
points towards truenorth______(63) magnetjc north.______(64),planes and ships can lose their wayif they don't make adjustments.
The area also haschanging weather and is known______(65)its high waves.Storms can turn upsuddenly and destroy a plane or ship.Fast currents could then sweep away any
trace of an accident.
54._________
A.without
B.by
C.from
D.upon