Hoàn thành câu:

1. We apologize for the .................................... caused to the passengers. (convenient)

2. Using the Internet in daily life can be .......................... (cost)

3. Astronauts who are orbiting the Earth often experience sensation of ................................. (weight)

4. NASA scientists believe the ...................... (egist)

2. UFO, which means flying saucer, is the abbreviation for ................................... Flying Object (identify)

1.UFO is the abbreviation for..... Flying Object" (identify) 2.He said that fairy was .....in the real life.(exist) 3.A ....is a vehicle that travels in space (space) 4.People are talking about the.....circles in the fields in Great(mystery) 5.Many reports in newspapers mentioned a lot about the.....of UFOS. (appear) 6.The story about UFOs caught the.....of the whole class.( imagine) 7.She was silent, smiling....Britain.(mystery) 8.It is necessary.....how the proposals can be carried out. (examination) 9. This recipe is....simple and quick (marvel)

Read the passage and choose the correct answer to complete the sentence:
A UFO (Unidentified Flying Object) is an object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.
Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.
Studies estimate that 50 % -90 % of all reported UFO sightings are identified later . Usually 10 % -20 % are never identified . Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man - made objects that looked strange . % -90 % UFOs are identified as one of three different things: astronomical causes (for example: planets , stars , or meteors ) ; aircraft , balloons 10 % -20 % of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)
1. What does the word "igure out" in paragraph 1 mean?
A. observe B. explain C. calculate D. require
2. Another word used to describe a UFO is ………………….
A. spacecraft B. astronaut C. flying saucer D. cooking oil
3. How many percents of all reported UFO sightings are not identified?
A. 10 % -20 % B. 20 % -30 % C. 30 % -50 % D. 80 % -90 %
4. Most of UFOs are identified as one of the following things except .
B. balloons C. clouds D. rains A. stars
5. Which of the following sentences is NOT true?
A. UFO means Unidentified Flying Object.
B. UFO is often used to talk about alien spaceships.
C. Many UFO sightings are hoaxes.
D. Over half of all reported UFO sightings are identified

Choose the letter A, B, C or D to complete the sentences with given words

About 95%/ the atmosphere/ on Mars/ be/ carbon dioxide, which/ be/ poisonous/ breath

A. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous to breath.

B. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous breath.

C. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous to breath.

D. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous breath.

Choose the letter A, B, C or D to complete the sentences with given words

About 95%/ the atmosphere/ on Mars/ be/ carbon dioxide, which/ be/ poisonous/ breath

A. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous to breath.

B. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous breath.

C. About 95% on the atmosphere on Mars is carbon dioxide, which is poisonous to breath

D. About 95% of the atmosphere on Mars is carbon dioxide, which is poisonous breath.

Read the passage below and choose one correct answer for each question.

A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.

Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.

Studies estimate that 50%-90% of all reported UFO sightings are identified later. Usually 10%-20% are never identified. Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man-made objects that looked strange. 80%-90% UFOs are identified as one of three different things: astronomical causes (for example: planets, stars, or meteors); aircraft; balloons 10%-20% of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)

What does the word “figure out” in paragraph 1 mean?

A. observe

B. explain

C. calculate

D. require

Put the following words in the correct order.

41. UFO / flying / an / object / is / unidentified /.

………………………………………………………………………………………………………………………………

42. Earth / we / the / on which / is / live / planet /.

………………………………………………………………………………………………………………………………

43. The synonym / is / of falling / shooting star / meteor / star or /.

………………………………………………………………………………………………………………………………

44. He / healthy. He’s / excellent physical / feels very / condition / in /.

………………………………………………………………………………………………………………………………

45. The woman / in it / a UFO / said that / saw / aliens / she / and two /.

………………………………………………………………………………………………………………………………

A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.

Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.

Studies estimate that 50%-90% of all reported UFO sightings are identified later. Usually 10%-20% are never identified. Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man-made objects that looked strange. 80%-90% UFOs are identified as one of three different things: astronomical causes (for example:planets, stars, or meteors); aircraft; balloons. 10%-20% of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)

29. What does the word “figure out” in paragraph 1 mean?

A. observe                         B. explain                           C. calculate                        D. require

30.  Another word used to describe a UFO is _________.

A. spacecraft                     B. astronaut                       C. flying saucer                  D. cooking oil

31. Most of UFOs are identified as one of the following things EXCEPT _________.

A. stars                              B. balloons                         C. clouds                            D. rains

32. Which of the following sentences is NOT true?

A. UFO means Unidentified Flying Object.

B. UFO is often used to talk about alien spaceships.

C. Many UFO sightings are hoaxes.

D. Over half of all reported UFO sightings are identified.

A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.

Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.

Studies estimate that 50%-90% of all reported UFO sightings are identified later. Usually 10%-20% are never identified. Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man-made objects that looked strange. 80%-90% UFOs are identified as one of three different things: astronomical causes (for example: planets, stars, or meteors); aircraft; balloons 10%-20% of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)

1.What does the word “figure out” in paragraph 1 mean?

A. observe    B. explain     C. calculate   D. require

2.Another word used to describe a UFO is.......

A.spacecraft     B.astronaut    C.flying saucer     D.cooking oil

3.How many percents of all reported UFO sightings are not identified 

A. 10%-20%     B.20%-30%    C.30%-50%    D.80%-90%

4.Most of UFOs are identified as one of the following things except......

A.stars    B.balloons    C.clouds    D.rains

5.Which of the following sentences is not true?

A.UFO means Unidentified Flying Object

B.UFO is often used to talk about alien spaceships

C.Many UFO sightings are hoaxes

D.Over half of all reportes UFO sighting are identified