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2 tháng 1 2019

Đáp án: unidentified

22 tháng 3 2017

Đáp án: A

Dịch: UFO có nghĩa là vật thể bay không xác định.

9 tháng 4 2022

spacecraft 

planet

balloon

meteor

evidence 

9 tháng 4 2022

undefined

20 tháng 5 2018

objects-spacecraft-UFOs-meteor

UFOs are strange flying (1).....objects...........that some people report that they have seen in the sky and believe to be (2).........spacecraft...........from another planet. Many scientists do not believe so. They say if people see a (3)............UFO............,it might be an aircraft, a weather balloon or a (4).............meteor..... However, there is still evidence for people to believe in the existence of UFOs.

21 tháng 5 2018

cảm ơn

17 tháng 5 2021

1 objects

2 sky

3 spacecraft

4 planet

5 UFO 

6 aircraft

7 meteor

58 in

Choose the best option to complete each of the following sentences. 1. UFOs means ________flying objects. A. unknown B. unidentified C. unable D. unimaginary 2. The man ________without trace. A. disappeared B. disappearing C. appeared D. appearing 3. He is an ________pilot. A. experience B. experiment C. experienced D. experient 4. When a ________enters the earth’s atmosphere it makes a bright line in the night sky. A. moon B. UFO C. balloon D. meteor 5. Scientists say that if people...
Đọc tiếp

Choose the best option to complete each of the following sentences. 1. UFOs means ________flying objects. A. unknown B. unidentified C. unable D. unimaginary 2. The man ________without trace. A. disappeared B. disappearing C. appeared D. appearing 3. He is an ________pilot. A. experience B. experiment C. experienced D. experient 4. When a ________enters the earth’s atmosphere it makes a bright line in the night sky. A. moon B. UFO C. balloon D. meteor 5. Scientists say that if people see a UFO, it ________an aircraft. A. must be B. would be C. might be D. should be 6. Some scientists say that flying saucers might be people’s ________. A. imagination B. imagine C. imaginative D. imaginary 7. My parents did not allow me ________, so I had to stay at home. A. go B. to go C. going D. gone 8. Do you think you will be able ________a space trip A. take B. to take C. taking D. taken 9. If there were flying saucers, there ________traces of there landing. A. would be B. will be C. are D. is 10. If I ________a bird, I would be a dove. A. am B. is C. are D. were 11. She would come to see you if she ________your address. A. have B. has C. had D. having 12. Where ________you go if you had a lot of money? A. will B. would C. do D. can 13. Do you believe ________the existence of UFOs? A. on B. in C. at D. for 14. If we became rich, we would travel ________the world. A. on B. at C. in D. around 15. She was absolutely terrified ________the thought of jumping off the bridge. A. of B. with C. about D. on 16. After having a baby, a woman may ________from depression for several months. A. suffers B. suffering C. suffer D. suffered 17. If I ________wings, I wouldn’t have to take an airplane to fly home. A. had B. have C. will have D. didn’t have 18. You may also find your country and other ________places. A. interested B. uninteresting C. interest D. interesting 19. The ________is due to take off at midnight. A. airmail B. aircraft C. airport D. airline 20. There's someone at the door. Perhaps it's Peter. Peter ________at the door. A. should be B. may be C. must be D. will be 21. When you are in orbit, you'll be out of the earth's ________you're weightless. A. outside B. gravity C. atmosphere D. outskirt 22. Paul likes planting flowers. When he grows up he ________a gardener. A. will be B. should be C. might be D. must be 23. Hoa can't go with us ________she has to look after her little sister. A. because B. moreover C. as for D. therefore 24. The argument was far from________. A. conclude B. conclusive C. conclusion D. concluding

3
17 tháng 5 2021

Choose the best option to complete each of the following sentences.

1. UFOs means ________flying objects.

A. unknown B. unidentified C. unable D. unimaginary

2. The man ________without trace.

A. disappeared B. disappearing C. appeared D. appearing

3. He is an ________pilot.

A. experience B. experiment C. experienced D. experient

4. When a ________enters the earth’s atmosphere it makes a bright line in the night sky. 

A. moon B. UFO C. balloon D. meteor 

5. Scientists say that if people see a UFO, it ________an aircraft.

A. must be B. would be C. might be D. should be

6. Some scientists say that flying saucers might be people’s ________.

A. imagination B. imagine C. imaginative D. imaginary

7. My parents did not allow me ________, so I had to stay at home.

A. go B. to go C. going D. gone

8. Do you think you will be able ________a space trip

A. take B. to take C. taking D. taken

9. If there were flying saucers, there ________traces of there landing.

A. would be B. will be C. are D. is

10. If I ________a bird, I would be a dove.

A. am B. is C. are D. were

11. She would come to see you if she ________your address.

A. have B. has C. had D. having

12. Where ________you go if you had a lot of money?

A. will B. would C. do D. can

13. Do you believe ________the existence of UFOs?

A. on B. in C. at D. for

14. If we became rich, we would travel ________the world.

A. on B. at C. in D. around

15. She was absolutely terrified ________the thought of jumping off the bridge.

A. of B. with C. about D. on

16. After having a baby, a woman may ________from depression for several months.

A. suffers B. suffering C. suffer D. suffered

17. If I ________wings, I wouldn’t have to take an airplane to fly home.

A. had B. have C. will have D. didn’t have

18. You may also find your country and other ________places.

A. interested B. uninteresting C. interest D. interesting

19. The ________is due to take off at midnight.

A. airmail B. aircraft C. airport D. airline

20. There's someone at the door. Perhaps it's Peter. Peter ________at the door.

A. should be B. may be C. must be D. will be

21. When you are in orbit, you'll be out of the earth's ________you're weightless.

A. outside B. gravity C. atmosphere D. outskirt

22. Paul likes planting flowers. When he grows up he ________a gardener.

A. will be B. should be C. might be D. must be

23. Hoa can't go with us ________she has to look after her little sister.

A. because B. moreover C. as for D. therefore

24. The argument was far from________.

A. conclude B. conclusive C. conclusion D. concluding

17 tháng 5 2021

Choose the best option to complete each of the following sentences.

1. UFOs means ________flying objects.

A. unknown B. unidentified C. unable D. unimaginary

2. The man ________without trace.

A. disappeared B. disappearing C. appeared D. appearing

3. He is an ________pilot.

A. experience B. experiment C. experienced D. experient

4. When a ________enters the earth’s atmosphere it makes a bright line in the night sky.

A. moon B. UFO C. balloon D. meteor

5. Scientists say that if people see a UFO, it ________an aircraft.

A. must be B. would be C. might be D. should be

6. Some scientists say that flying saucers might be people’s ________.

A. imagination B. imagine C. imaginative D. imaginary

7. My parents did not allow me ________, so I had to stay at home.

A. go B. to go C. going D. gone

8. Do you think you will be able ________a space trip

A. take B. to take C. taking D. taken

9. If there were flying saucers, there ________traces of there landing.

A. would be B. will be C. are D. is

10. If I ________a bird, I would be a dove.

A. am B. is C. are D. were

11. She would come to see you if she ________your address.

A. have B. has C. had D. having

12. Where ________you go if you had a lot of money?

A. will B. would C. do D. can

13. Do you believe ________the existence of UFOs?

A. on B. in C. at D. for

14. If we became rich, we would travel ________the world.

A. on B. at C. in D. around

15. She was absolutely terrified ________the thought of jumping off the bridge.

A. of B. with C. about D. on

16. After having a baby, a woman may ________from depression for several months.

A. suffers B. suffering C. suffer D. suffered

17. If I ________wings, I wouldn’t have to take an airplane to fly home.

A. had B. have C. will have D. didn’t have

18. You may also find your country and other ________places.

A. interested B. uninteresting C. interest D. interesting

19. The ________is due to take off at midnight.

A. airmail B. aircraft C. airport D. airline

20. There's someone at the door. Perhaps it's Peter. Peter ________at the door.

A. should be B. may be C. must be D. will be

21. When you are in orbit, you'll be out of the earth's ________you're weightless.

A. outside B. gravity C. atmosphere D. outskirt

22. Paul likes planting flowers. When he grows up he ________a gardener.

A. will be B. should be C. might be D. must be

23. Hoa can't go with us ________she has to look after her little sister.

A. because B. moreover C. as for D. therefore

24. The argument was far from________.

A. conclude B. conclusive C. conclusion D. concluding

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...
Đọc tiếp

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

1
12 tháng 4 2017

Đáp án: C

Dịch: Figure out = calculate (tính toán)

27 tháng 4 2018

Complete these sentences with a suitable word:

1. According to the weather ____ forecast​_____ , there will be sunny tomorrrow.

2. Mount Pinatubo, which is a __volcano__ in the Philipines, erupter in 1991.

3. Tidal ____waves____ are the result of an abrupt shift in the underwater movement of the Earth.

4. Scientists usually can __predict____ when a volcano will erupt.

5. UFOs means __strange ___ Flying Objects.

6. His sense of __humor__ distinguishes him from others.

7. I want to turn __on_ the radio to hear the news.

8. I look forward to ____hearing ____ from you and seeing good ____feedback_____ from your company.

27 tháng 4 2018

5. UFOs means Unidentified Flying Objects.

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...
Đọc tiếp

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

1
7 tháng 1 2019

1. C

2. C

3. A

4. D

5. C