阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案，并涂在答题卡相应的位置上。
Where Did All the Ships Go?
The Bermuda Triangle 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 all 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 1 00 to 200.feet.high carried his ship about a mile away.
The most famous disappearance in the Bermuda Triangle was the US Naval 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 1 9 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 forces.It is suggested the __9__ships and planes were either transported to other times and places，kidnapped by
aliens__10__ attacked by sea creatures.
There are__11__natural explanations，though.The US Navy says that the Bermuda triangle is one of two places on earth __12__a magnetic compass 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.
Bermuda Triangle 百慕大三角区
Florida 佛罗里达，美国的一个州
Pueto Rico 波多利加]
Compass n.罗盘，指南针
Supernatural adj.超自然的
Kidnap v.绑架
Alien n.外星人
Magnetic adj.有磁性的
Trace n.痕迹
练习：
1.A)from B) Of C)about D) on
2.A)often B)look C)sometimes D) seem
3.A)rest B) another C) other D)others
4.A)without B)by C)from D)upon
5.A)saying B)being said c)said D)says
6. A) On B)In C) from D) since
7.A)took up B) took as C) took after D) took off
8. A)for B) about C) on D) from
9.A)missing B) missed C) miss D) having missed
10.A) and B) or C) nor D) neither
11.A)also B) no C) more D) beside
12.A) which B) there C) where D) that
13.A)instead of B) except C) than D) nor
14.A)Similarly B) furthermore C) However D) Therefore
15.A) as B) for C)by D) from
