世界未解之谜英文ppt

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As the mysterious disappearances of ships and aircraft in the region,the Bermuda Triangle is notoriously(众所周知地) known.
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• Where is the Bermuda Triangle located?
And this made the government of Cuba very
nervous.They treated it as a secret weapon(秘密武器)
from Ameria and made it touched down. At the same time,the two balloon driver were also
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• Bermuda Triangle Theories:
Over the years, scientists and other researchers have cited(引 用)different natural explanations for these disappearances.Some of these include:
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• The most famous “Flight 19″ Incident:
On 5th December 1945, five TBM Avenger torpedo bombers（”复仇者“鱼雷轰炸机） having 14 airmen suddenly disappeared during a training session while flying over the Bermuda Triangle.
The World of Unsolved Mysteries
———The Fourth Group
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The unsolved mystery of
Bermuda Triangle
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The interest and intrigue(诡秘) for the
Bermuda Triangle(百慕大三角) has been global
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Gulf Stream （墨西哥湾流）:
A strong ocean current（气流） originating from the Gulf of Mexico called the Gulf Stream has also been held responsible for the unexplained disasters. The current is extremely swift （迅速的）, turbulent and known to have a surface velocity（速 率） of around 2.5 m/s. However, it is theorized（推理） that such a current can carry away only small planes landing in water or boats with some engine trouble(发动机故障).
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Yes,there was a ballute race at Caribbean(加勒比海) in 1954.It was a lovely day for the race,but suddenly one of the ballutes disappeared from the sky. That is to say the two drivers had flied from 1954 to 1990 unconsciously.
agenda for many decades now.
The
tragic(悲剧的)incidences and mishaps(灾祸)
attached to the Bermuda Triangle have also
given it the second name of Devil’s
Triangle(魔鬼三角洲).
Located in the western part of the North Atlantic Ocean, the apexes(顶端) of the triangle are generally believed to be Bermuda; Miami-Florida(佛罗里达州); and San Juan-Puerto Rico(波多黎各).
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Later, a PBM Mariner Flying Boat exploded (爆炸)while searching for them having 13 crew members. None of the investigators was able to tell the reason behind this terrible incident.
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Do you want a chance to travel through time?
Let's read a real story happened there.
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In 1990,there was a ballute(热气球式降落伞) suddenly
appeared at the area of Cuba(古巴).
Compass Variations （罗经磁差）:
The theory opined that the Bermuda Triangle is one of the two places on earth at which a magnetic compass(罗盘) points towards true north rather than the usual magnetic north. This difference or vibration(振动) between the two, put at almost 60 degrees, came to be termed as compass variation.
confused,they said they participated in a ballute race,and suddenly felt a little pain,then they saw the blue sky and a plane which make them down.
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