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p;    The Bermuda Triangle(三角区)is one___(51)the greatest mysteries of the sea．In this triangular area between Florida，Puerto Rico and Bermuda in Atlantic，ships and airplanes___(52)to disappear more often than in____(53)parts of the ocean．And they do so___(54)leaving any sign of an accident or any dead bodies．
     It is___(55)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 disappearanceinthe Bermuda Triangle was the US Naval(海军的)Air Flight 19.___(56)December 5，1945，five bomber planes carrying 14 men____(57) 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_____(58)supernatural(超自然的)forces． It is suggested the____(59)ships and planes were either transposed to other times and places，kidnapped(绑架)by aliens(外星人)____(60)attacked by sea creatures．
     There are____(61)natural explanations，though．The US Navy says that the Bermuda Triangle is one of two places on earth_____(62)a magnetic compass(指南针) points towards true north______(63)magnetic north,____(64),planes and ships can lose their way if they don’t make adjustments
     The area also has changing weather and is known_____(65)its high waves.Storms can tum up suddenly and destroy a plane or ship．Fast currents could then sweep away any trace of an accident.
 51 A from        B of        C about        D on     
 52 A often        B look      C sometimes    D seem
 53 A rest         B another    C other        D others 
 54 A without      B by        C from        D upon
 55 A saying       B say        C said        D says
 56 A On          B In         C From       D Since
 57 A took up      B took on     C took out     D took off
 58 A for          B about      C on          D from
 59 A missing     B missed       C miss       D misses
 60 A and        B or           C nor        D neither
 61 A also        B no      &nbs本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。