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Many of you have read stories about unidentified flying objects
or URLs. What exactly are ___1___ URLs ? The most popular
___2___ is that these flying objects are spaceships. Inside
these spaceships are visitors ___3___ outer space or other
planets. Their purpose is to ___4___ life on Earth. It is also
believed that these ___5___ are scientists and some of them have
taken the ___6___ of humans and are living among us !
Although many of the UFO ___7___ are difficult to explain,
most of them can actually be explained easily. In most cases, it
is ___8___ that the observers made mistakes when they saw
something flying over the sky. They could ___9___ mistaken a
'runaway' weather balloon or a small aircraft for a UFO. The
light that they saw could well have been the ___10___ of light
from the ground to the clouds. ___11___, there are still a
number of sightings ___12___ cannot be explained scientifically.
So they will remain as ___13___ until someone can find an
answer. |
