ACCORDING TO THE PASSAGE, WHAT KINDS OF THINGS DO PEOPLE...

30: According to the passage, what kinds of things do people often walk into while

were aircraft, birds or hot gases. Often these sightings (25)_____ in unusual weather

texting?

conditions. But some UFO sightings remained unexplained. Even today a few scientists

H ọ c s in h k h ô n g v iế t v ào ch ỗ c ó 2 g ạc h c h é o n à y .

A. Teens and pedestrians. B. Hospital emergency rooms.

(26)_____ that some UFOs could be visitors from outer space.

C. Other people, traffic, or trees. D. Parked cars.

(Source: Encyclopedia Britannica 2014)