共用题干
Where Did All the Ships Go?

The Bermuda Triangle（三角区）is one________(1) the greatest mysteries of
the sea.In this triangular area between Florida,Puerto Rico and Bermuda in Atlantic,
ships and airplanes__________(2)to disappear more often than in________(3)
parts of the ocean.And they do so_________(4)leaving any sign of an accident or
any dead bodies.
It is_________(5)that Christopher Columbus was the first person to record strange
happenings in the area.His compass stopped working,a flame came down from the sky,
and a wave 100 to 200-feet-high carried his ship about a mile away.
The most famous disappearance in the Bermuda Triangle was the U. S. Naval（海军
的）Air Flight 19._________(6)December 5,1945,five bomber planes carrying
14 men_________(7)on a training mission from the Florida coast.Later that day,all
communications with Flight 19 were lost.They just disappeared without a trace.
The next morning,242 planes and 19 ships took part in the largest air-sea search in
history.But they found nothing.
Some people blame the disappearances__________(8) supernatural（超自然的）
forces.It is suggested the_________(9)ships and planes were either transported to
other times and places, kidnapped（绑架）by aliens（外星人）_________(10)
attacked by sea creatures.
There are_____________(11)natural explanations,though.The U.S. Navy says that
the Bermuda Triangle is one of two places on earth__________(12)a magnetic
compass（指南针）points towards true north __________ (13) magnetic north.
____________(14),planes and ships can lose their way if they don't make adjustments.
The area also has changing weather and is known____________(15)its high waves.
Storms can turn up suddenly and destroy a plane or ship.Fast currents could then sweep
away any trace of an accident.

_________(4)
A:without
B:by
C:from
D:upon