5 câu hỏi
Choose the item A, B, C or D that best answers the question about the passage.
Another word used to describe a UFO is _____.
flying saucer
cooking plane
spacecraft
astronaut
Choose the item A, B, C or D that best answers the question about the passage.
How many percent of all reported sights are not identified?
20-30%
10-20%
30-50%
80-90%
Choose the item A, B, C or D that best answers the question about the passage.
Most of UFOs are identified as one of the following things except _________.
balloons
clouds
stars
rains
Choose the item A, B, C or D that best answers the question about the passage.
Which of the following sentences is NOT true?
UFO means Unidentified Flying Object
Some UFO sightings are hoaxes.
UFO is often used to talk about alien objects.
Over half of all reported UFO sightings are identified.
Choose the item A, B, C or D that best answers the question about the passage.
What does the word “figure out” in paragraph 1 mean?
calculate
observe
explain
require