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15 tháng 4 2019

Use the correct form of the words given to complete the sentences.

1. This volcano is dead, it has been (ACT) inactive for more than a century.

2. The Earth would be happy planet if human beings, animals and plants (PEACE) peacefully co-exist.

3. The US is the word's largest economy, benefiting from an abundance of natural resources and high worker (PRODUCE) productivity.

4. The chemical (POLLUTE) pollutants from cars and factories make the air, water and soil dangerously dirty.

5. You cannot imagine how (SERIOUS) seriously the area was damaged by the flood.

Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction. Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction. But...
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Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.

Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction.

But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs of timber and paper.

What would our world be like if all the wild animals and wild plants vanished? - Would our life still exist then?

1. What would happen to the human beings if the wild life vanished?

A. Many species would quickly become extinct.

B. The human life would be seriously threatened.

C. Species would go on dying out.

D. Tropical forests would be cut down.

2. What is more important than individual kinds of animals and plants?

A. the vanishing of whole habitats. B. the extinction of many species.

D. man’s need of timber and paper. C. the rapid advance of the process of extinction.

3. What does the writer caution us against?

A. cutting down the tropical forests. B. hunting wild animals.

C. draining marshes. D. destroying our environment.

4. What would happen if we cut down forests?

Cutting down forests would cause ……………..

A. the changes of temperature. B. the flood

C. both A and B are correct. D. none are correct.

5. “To threaten” in the passage means …………..

A. to pollute B. to give fear to C. to vanish D. to poison

1
16 tháng 7 2018

Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.

Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction.

But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs of timber and paper.

What would our world be like if all the wild animals and wild plants vanished? - Would our life still exist then?

1. What would happen to the human beings if the wild life vanished?

A. Many species would quickly become extinct.

B. The human life would be seriously threatened.

C. Species would go on dying out.

D. Tropical forests would be cut down.

2. What is more important than individual kinds of animals and plants?

A. the vanishing of whole habitats. B. the extinction of many species.

D. man’s need of timber and paper. C. the rapid advance of the process of extinction.

3. What does the writer caution us against?

A. cutting down the tropical forests. B. hunting wild animals.

C. draining marshes. D. destroying our environment.

4. What would happen if we cut down forests?

Cutting down forests would cause ……………..

A. the changes of temperature. B. the flood

C. both A and B are correct. D. none are correct.

5. “To threaten” in the passage means …………..

A. to pollute B. to give fear to C. to vanish D. to poison

Read the passage carefully, then choose the correct answer The first system of communication of animals is natural. Many kinds of animals have ways of communicating with each other. And one of the most interesting examples is that of bees. These insects communicate with each other by dancing. The most important kind of dance that they do is concerned with food. They get their food from flowers, of course, from plants and trees. When a bee has found some food, it returns to the...
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Read the passage carefully, then choose the correct answer

The first system of communication of animals is natural. Many kinds of animals have ways of communicating with each other. And one of the most interesting examples is that of bees. These insects communicate with each other by dancing. The most important kind of dance that they do is concerned with food. They get their food from flowers, of course, from plants and trees. When a bee has found some food, it returns to the other bees and can give them three basic kinds of information about the food: which direction it is in, whether it is nearby or a long way away, and whether it is good to eat or poisonous.

The other kind of system of communication of animals is artificial. It means animals learn it; in this case, they learn from man. Several famous experiments have been carried out with chimpanzees, trying to teach them human language.

One of these experiments was done with a chimpanzee called Sarah. Sarah was taught to understand a system of symbols which represented words. The symbols were cut out of coloured plastic, and each different shape stood for a different word. For example, a red square stood for “banana”, Sarah’s favorite fruit. Soon Sarah could not only understand words, but even sentences. She could obey orders: if her human friends put down the symbols for “apple in cup”, she would put the apple in the cup. Later, she began giving the scientists orders – she was writing her own sentences, and she got upset if the scientists did not obey her. We do not yet know whether chimpanzees will ever learn to use language to communicate as freely as human beings do, but the results so far suggest that this is at least a possibility.

41) According to the passage, bees ____________________________________.

A. learn to communicate B. are born to be able to communicate

C. are the most interesting animals D. communicate with each other by flying

42) From the passage, we can conclude that bees are _____________________.

A. so selfish as to let other bees share the bad food

B. so selfish as to look for food for themselves

C. so hardworking that they dance all the time

D. so smart that they know where the food is

43) The experiment done with Sarah is an example of ____________________.

A. animals with natural system of communication

B. animals able to communicate with humans

C. animals possible to use language as humans

D. animals with a system of communication worked out by humans

44) The results of the experiment with chimpanzees show the possibility to teach animals _____.

A. how to use language freely

B. how to give orders

C. how to obey orders

D. how to understand words and sentences

45) The phrase “concerned with” is closest in meaning to ________________.

A. interested in B. responsible for C. related to D. joined to

2
28 tháng 4 2017

Read the passage carefully, then choose the correct answer

The first system of communication of animals is natural. Many kinds of animals have ways of communicating with each other. And one of the most interesting examples is that of bees. These insects communicate with each other by dancing. The most important kind of dance that they do is concerned with food. They get their food from flowers, of course, from plants and trees. When a bee has found some food, it returns to the other bees and can give them three basic kinds of information about the food: which direction it is in, whether it is nearby or a long way away, and whether it is good to eat or poisonous.

The other kind of system of communication of animals is artificial. It means animals learn it; in this case, they learn from man. Several famous experiments have been carried out with chimpanzees, trying to teach them human language.

One of these experiments was done with a chimpanzee called Sarah. Sarah was taught to understand a system of symbols which represented words. The symbols were cut out of coloured plastic, and each different shape stood for a different word. For example, a red square stood for “banana”, Sarah’s favorite fruit. Soon Sarah could not only understand words, but even sentences. She could obey orders: if her human friends put down the symbols for “apple in cup”, she would put the apple in the cup. Later, she began giving the scientists orders – she was writing her own sentences, and she got upset if the scientists did not obey her. We do not yet know whether chimpanzees will ever learn to use language to communicate as freely as human beings do, but the results so far suggest that this is at least a possibility.

41) According to the passage, bees ____________________________________.

A. learn to communicate B. are born to be able to communicate

C. are the most interesting animals D. communicate with each other by flying

42) From the passage, we can conclude that bees are _____________________.

A. so selfish as to let other bees share the bad food

B. so selfish as to look for food for themselves

C. so hardworking that they dance all the time

D. so smart that they know where the food is

43) The experiment done with Sarah is an example of ____________________.

A. animals with natural system of communication

B. animals able to communicate with humans

C. animals possible to use language as humans

D. animals with a system of communication worked out by humans

44) The results of the experiment with chimpanzees show the possibility to teach animals _____.

A. how to use language freely

B. how to give orders

C. how to obey orders

D. how to understand words and sentences

45) The phrase “concerned with” is closest in meaning to ________________.

A. interested in B. responsible for C. related to D. joined to

28 tháng 4 2017

Read the passage carefully, then choose the correct answer

The first system of communication of animals is natural. Many kinds of animals have ways of communicating with each other. And one of the most interesting examples is that of bees. These insects communicate with each other by dancing. The most important kind of dance that they do is concerned with food. They get their food from flowers, of course, from plants and trees. When a bee has found some food, it returns to the other bees and can give them three basic kinds of information about the food: which direction it is in, whether it is nearby or a long way away, and whether it is good to eat or poisonous.

The other kind of system of communication of animals is artificial. It means animals learn it; in this case, they learn from man. Several famous experiments have been carried out with chimpanzees, trying to teach them human language.

One of these experiments was done with a chimpanzee called Sarah. Sarah was taught to understand a system of symbols which represented words. The symbols were cut out of coloured plastic, and each different shape stood for a different word. For example, a red square stood for “banana”, Sarah’s favorite fruit. Soon Sarah could not only understand words, but even sentences. She could obey orders: if her human friends put down the symbols for “apple in cup”, she would put the apple in the cup. Later, she began giving the scientists orders – she was writing her own sentences, and she got upset if the scientists did not obey her. We do not yet know whether chimpanzees will ever learn to use language to communicate as freely as human beings do, but the results so far suggest that this is at least a possibility.

41) According to the passage, bees ____________________________________.

A. learn to communicate B. are born to be able to communicate

C. are the most interesting animals D. communicate with each other by flying

42) From the passage, we can conclude that bees are _____________________.

A. so selfish as to let other bees share the bad food

B. so selfish as to look for food for themselves

C. so hardworking that they dance all the time

D. so smart that they know where the food is

43) The experiment done with Sarah is an example of ____________________.

A. animals with natural system of communication

B. animals able to communicate with humans

C. animals possible to use language as humans

D. animals with a system of communication worked out by humans

44) The results of the experiment with chimpanzees show the possibility to teach animals _____.

A. how to use language freely

B. how to give orders

C. how to obey orders

D. how to understand words and sentences

45) The phrase “concerned with” is closest in meaning to ________________.

A. interested in B. responsible for C. related to D. joined to

Fill in the blanK: living in a modern World may have its advantages but it(1)............. has its disadvantages that one disadvantages of the modern way of life which stands(2)............. from the rest is the negative influence cars have(3)............. The environment. Today, all developed societies face a(4)........... range of problems Caused by cars and(5).........vehicles. These include air and noise pollution,(6)...........traffic and the ever growing numbers in f roads in our...
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Fill in the blanK: living in a modern World may have its advantages but it(1)............. has its disadvantages that one disadvantages of the modern way of life which stands(2)............. from the rest is the negative influence cars have(3)............. The environment. Today, all developed societies face a(4)........... range of problems Caused by cars and(5).........vehicles. These include air and noise pollution,(6)...........traffic and the ever growing numbers in f roads in our cities. Major cities around the world face considerable environmental damage (7)............ of this and are in need of serious measures to reverse this trend.

How did we end (8)..........with such a problem? There are no simple answers(9)............. this question and no serious effort has been made to find either.it is about (10)...........,however, that our generation got serious (11)...........this issue. People must be willing to stand (12).......... environmental groups and make any effort necessary to change the situation. Many Environmentalists Believe that we could help by using our(13)......sense. Car poolling for instance could be a solution to the problem.this simple program calls for people to share their cars with fellow workers to and from work got a lot of interest has been shown (14).......car poolling and other more ambitious programmes are plan for the future

2
10 tháng 6 2018
  1. also
  2. out
  3. on
  4. wide
  5. other
  6. congested / heavy / busy
  7. a result / a rule
  8. up
  9. to
  10. time
  11. about
  12. support / join
  13. good
  14. over
10 tháng 6 2018

Giup mik voi!!! Can gap

20 tháng 8 2017

1. water pollution

2.water level

3.noise pollution

4.rubbish

5.deforestation

6.recycle

7. reduce

8.reuse

9.soil pollution

10.air pollution

15. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects 16. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems 17. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation) 18. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die 19. (Noise/ Headache/ Earplug/ Symptom) is any sound that...
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15. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects

16. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems

17. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)

18. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die

19. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.

20. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution

21. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories

22. The (dead/ die/ death/ died) fish are floating in the water.

23. We plant trees, (due to/ because/ because of/ so) we can have fresh air.

24. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens

25. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming

26. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.

27.People in countries like the USA, Great Britain, and New Zealand use English as their (official/ foreign/ native/ mother) language.

28. “Loch” is a Scottish word for “ (river/ sea/ lake/ pond)”.

29.A (sari/ kilt/ kimono/ scarf) is the traditional garment which is often worn by Scottish men on special occasions.

1
7 tháng 3 2020

15. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects

16. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems

17. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)

18. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die

19. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.

20. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution

21. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories

22. The (dead/ die/ death/ died) fish are floating in the water.

23. We plant trees, (due to/ because/ because of/ so) we can have fresh air.

24. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens

25. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming

26. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.

27.People in countries like the USA, Great Britain, and New Zealand use English as their (official/ foreign/ native/ mother) language.

28. “Loch” is a Scottish word for “ (river/ sea/ lake/ pond)”.

29.A (sari/ kilt/ kimono/ scarf) is the traditional garment which is often worn by Scottish men on special occasions.

word form 1. I think Dinh Manh Ninh sings the most ______________ in M4U. ( BEAUTY ) 2. If you want a job, fill in this _____________ form. ( APPLY ) 3. Traditional __________ are a good source of fun and entertainment. ( CELEBRATE ) 4. If you want to ___________ your English, we can help you. ( IMPROVEMENT ) 5. Please phone this number for more _____________ . ( INFORM ) 6. I want to _____________ for selling my house. ( ADVERTISEMENT ) 7. Some people think that gods create ___________...
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word form

1. I think Dinh Manh Ninh sings the most ______________ in M4U. ( BEAUTY )

2. If you want a job, fill in this _____________ form. ( APPLY )

3. Traditional __________ are a good source of fun and entertainment. ( CELEBRATE )

4. If you want to ___________ your English, we can help you. ( IMPROVEMENT )

5. Please phone this number for more _____________ . ( INFORM )

6. I want to _____________ for selling my house. ( ADVERTISEMENT )

7. Some people think that gods create ___________ eruption. ( VOLCANO )

8. The next stage in the _____________ of television is interactive TV. ( DEVELOP )

9. ___________ is now a serious problem in Vietnam. ( FOREST )

10. Hoa has a lot of friends as she is so ___________ . ( FRIEND )

11. This magazine is _____________ read by both teenagers and adults. ( WIDE )

12. I hope to speak English as __________ as my teacher. ( GOOD )

13. Vietnam is interested in saving ______________ resources. ( NATURE )

14. We should prepare food ______________ before turning on the stove. ( CAREFUL )

15. The __________ district in Bac Giang province is Luc Ngan. ( LARGE )

16. I like this website because it is ___________ for me. ( USE )

17. ________, the typhoon didn’t cause any damage to the village. ( LUCKY )

18. We must learn about keeping our environment _____________. ( POLLUTE )

19. It was one of the most ____________ earthquakes in Japan. ( DANGER )

20. The earthquake caused terrible _____________. ( DESTROY )

21. The __________ of computer is one of the recent __________ in our time. ( INVENT / ACHIEVE )

22. “ The lost shoes” is one of the _________ stories I like best. ( TRADITION )

23. It is ___________ to eat much sugar and fat. ( HEALTH )

24. The gas from chemical factory is extremely _________. ( HARM )

25. The price of ___________ has gone up again. ( ELECTRIC )

26. I’m very _________ of my father and love him so much. ( PRIDE )

27. I usually took part in all _______ outdoor activities when I was a student. ( DIFFER )

28. The Internet has ____________ developed and become part of our everyday life. ( INCREASE )

29. Internet is one of the most useful means of ___________. ( COMMUNICATE )

30. Scientists are looking for a/ an ________ way to reduce energy comsumption. ( EFFECT )

31. If we go on litering, the environment will become _________ polluted. ( SERIOUS )

32. We can protect the environment by __________ air pollution. ( REDUCTION )

33. Many chemicals have a __________ effect on the environment. ( DISASTER )

34. In the 18th century, Jean cloth was made ________ from cotton. ( COMPLETE )

35. We often take part in many __________ activities at school. ( CULTURE )

36. She has _________ provided a picnic lunch for us. ( KIND )

37. Teachers now give more ________ to their students in classroom activities. ( FREE )

38. I come from Vietnam. I don’t get used to __________ on the left. ( DRIVE )

39. It is the first time for me to watch an ___________ fashion show. ( INTEREST )

40. Getting to the village is a very _____________ journey. ( ENJOY )

1
8 tháng 9 2018

word form

1. I think Dinh Manh Ninh sings the most _____beautiful_________ in M4U. ( BEAUTY )

2. If you want a job, fill in this _____application________ form. ( APPLY )

3. Traditional ____celebration______ are a good source of fun and entertainment. ( CELEBRATE )

4. If you want to _____improve______ your English, we can help you. ( IMPROVEMENT )

5. Please phone this number for more ______information _______ . ( INFORM )

6. I want to _____advertise________ for selling my house. ( ADVERTISEMENT )

7. Some people think that gods create ___volcanic________ eruption. ( VOLCANO )

8. The next stage in the _____development________ of television is interactive TV. ( DEVELOP )

9. ____forestation_______ is now a serious problem in Vietnam. ( FOREST )

10. Hoa has a lot of friends as she is so ____friendly_______ . ( FRIEND )

8 tháng 9 2018

3. celebrations

Dịch hộ mình bài này nhé! Cám ơn trước. P/s: Không dùng Google Translate nhé UN Reports See a Lonelier Planet With Fewer Plants, Animals Earth is losing plants, animals and clean water at a dramatic rate, according to four new U.N. scientific reports that provide the most comprehensive and localized look at the state of biodiversity. Scientists meeting in Colombia issued four regional reports Friday on how well animals and plants are doing in the Americas; Europe and...
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Dịch hộ mình bài này nhé! Cám ơn trước. P/s: Không dùng Google Translate nhé

UN Reports See a Lonelier Planet With Fewer Plants, Animals

Earth is losing plants, animals and clean water at a dramatic rate, according to four new U.N. scientific reports that provide the most comprehensive and localized look at the state of biodiversity. Scientists meeting in Colombia issued four regional reports Friday on how well animals and plants are doing in the Americas; Europe and Central Asia; Africa; and the Asia-Pacific area. Their conclusion after three years of study: Nowhere is doing well.

The Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem was about more than just critters, said study team chairman Robert Watson. It is about keeping Earth livable for humans, because we rely on biodiversity for food, clean water and public health, the prominent British and U.S. scientist said. "This is undermining well-being across the planet, threatening us long term on food and water," Watson said in an interview. Scientists pointed to this week's death of the last male northern white rhino in Africa and severe declines in the numbers of elephants, tigers and pangolins, but said those are only the most visible and charismatic of species that are in trouble.

What's happening is a side effect of the world getting wealthier and more crowded with people, Watson said. Humans need more food, more clean water, more energy and more land. And the way society has tried to achieve that has cut down on biodiversity, he said. Crucial habitat has been cut apart; alien species have invaded places; chemicals have hurt plants and animals; wetlands and mangroves that clean up pollution are disappearing; and the world's waters are overfished, he said. Man-made climate change is getting worse, and global warming will soon hurt biodiversity as much as all the other problems combined, Watson said.

1
31 tháng 3 2018

Báo cáo của Liên Hiệp Quốc nhìn một hành tinh cô đơn hơn với ít cây cối, động vật hơn
Trái đất đang mất dần các thực vật, động vật và nước sạch với tốc độ đáng kể, theo bốn báo cáo khoa học mới của Liên Hiệp Quốc. đưa ra cách nhìn toàn diện và địa phương về tình trạng đa dạng sinh học. Các cuộc họp của các nhà khoa học ở Colombia đã đưa ra 4 báo cáo về tình trạng động vật và thực vật ở châu Mỹ; Châu Âu và Trung Á; Châu phi; và khu vực Châu Á Thái Bình Dương. Kết luận của họ sau ba năm nghiên cứu: Không nơi nào làm tốt.

Chủ tịch nhóm nghiên cứu, ông Robert Watson, cho biết nền tảng chính sách khoa học-chính phủ về đa dạng sinh học và hệ sinh thái không chỉ là những con vật. Đó là việc giữ cho trái đất có thể sống được cho con người, bởi vì chúng ta dựa vào đa dạng sinh học đối với thực phẩm, nước sạch và sức khoẻ cộng đồng, nhà khoa học Anh và Mỹ nổi tiếng nói. "Điều này đang làm suy yếu sự thịnh vượng của chúng ta, đe dọa chúng ta lâu dài về thức ăn và nước," Watson nói trong một cuộc phỏng vấn. Các nhà khoa học đã chỉ ra cái chết cuối cùng của con tê giác trắng cuối cùng ở châu Phi và sự sụt giảm nghiêm trọng về số lượng con voi, hổ và tê tê, nhưng nói rằng đây chỉ là loài có khả năng nhìn thấy và hấp dẫn nhất đối với các loài đang gặp rắc rối.



Điều gì đang xảy ra là một ảnh hưởng phụ của thế giới ngày càng giàu có và đông đúc hơn với người dân, Watson nói. Con người cần nhiều thức ăn, nước sạch hơn, năng lượng và nhiều đất hơn. Và cách mà xã hội đã cố gắng đạt được đã làm giảm sự đa dạng sinh học, ông nói. Môi trường sống chủ yếu đã bị cắt đứt; các loài ngoại lai xâm lăng; hóa chất đã gây hại cho thực vật và động vật; vùng đất ngập nước và rừng ngập mặn làm sạch ô nhiễm đang biến mất; và vùng biển của thế giới bị đánh bắt quá mức, ông nói. Theo Watson, biến đổi khí hậu do con người gây ra ngày càng tồi tệ hơn và sự ấm lên toàn cầu sẽ sớm ảnh hưởng đến đa dạng sinh học cũng như tất cả các vấn đề khác

Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the questions.   As viewed from space, Earth’s distinguishing characteristics are its blue waters and white clouds. Enveloped by an ocean of air consisting of 78% nitrogen and 21% oxygen, the planet is the only one in our solar system known to harbor life. Circling the Sun at an average distance of 149 million kilometers (93 million miles), Earth is the third planet...
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Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the questions.

   As viewed from space, Earth’s distinguishing characteristics are its blue waters and white clouds. Enveloped by an ocean of air consisting of 78% nitrogen and 21% oxygen, the planet is the only one in our solar system known to harbor life. Circling the Sun at an average distance of 149 million kilometers (93 million miles), Earth is the third planet from the Sun and the fifth largest planet in the solar system.

 

   Our planet’s rapid spin and molten nickel-iron core give rise to an extensive magnetic field which, coupled the atmosphere, shields us from nearly all of the harmful radiation coming from the Sun and other stars. Earth’s atmosphere protects us from meteors as well, most of which burn up in the Earth’s atmosphere before they can strike the surface. The planet active geological processes have left no evidence of the ancient pelting it almost certainly received soon after it formed about 4.6 billion years ago. The Earth has a single natural satellite – the moon.

QuestionThe word distinguishing as it is used in this selection means ________.

A. elevating in nature

B. characteristics like all other planets

C. devastating in nature

D. characteristics that set it apart from other planets

2
29 tháng 6 2019

Đáp án D.

3 tháng 3 2022

D nhé bn