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II. Fill each blank in the following sentences with a suitable preposition or adverb particle.Write your answers on your answer sheet. (10 pts)

1. John often shows ...... at parties. That’s the only thing I don’t like...... him.

2. Due .....pollution and habitat destruction, many species of animals are dying...... .

3. .......your help, I couldn’t have dealt ......the problem.

4. Much has been done to work ......a good solution........ traffic problems.

5. Howard’s teacher wasn’t satisfied........ the work he had done, so she asked him to do it....... .

6. Dick: “has Edward got...... touch ......you lately?” – Mark: “Yes, sometimes.”

7. In Western countries workers often go ........ strike to fight........ a pay rise and better working conditions

8. Turn the tap ......or the tub will overflows ........water.

9. They put all the blame......... the driver.......... the accident.

10. The police came just ........time to bring the riot........ control.

IV. Give the correct tense or form of the verbs in brackets. Write your answers on your answer sheet. (10 pts)

1. My children enjoy (allow) (stay) up late when there is something special on TV.

2. Hurry up. I’m afraid the conference (end) by the time we (get) there.

3. Jane, together with her parents, (just go) to London (see) her grandmother.

4. We’d better (not try) any more. It’s too late for anything (to) now.

5. I hoped he (be) at the meeting, but he (not come).

6. Last night we (have) a party when the fire (break) out.

7. We’ve lost the camera. If we (lock) the car window, we (not get) into trouble.

8. (You/ever/have) to wait so long? It is necessary that you (be) on time.

9. He (drive) for three hours but he (cover) only half of the way so far.

10. I’d like the room (tidy) before I get home, boys. It (be) in a terrible mess.

MỌI NGƯỜI GIÚP EM GẤP VỚI Ạ!!!!!!!!!!!!!!!!!!!!!

1
8 tháng 3 2019

II. Fill each blank in the following sentences with a suitable preposition or adverb particle.Write your answers on your answer sheet. (10 pts)

1. John often shows badly at parties. That’s the only thing I don’t like at him.

2. Due to pollution and habitat destruction, many species of animals are dying

out.

3. With your help, I couldn’t have dealt all the problem.

4. Much has been done to work for a good solution for traffic problems.

5. Howard’s teacher wasn’t satisfied for the work he had done, so she asked him to do it ...Nguyễn Nhật Minh help t cau nay voi!

6. Dick: “Has Edward got in touch with you lately?” – Mark: “Yes, sometimes.”

7. In Western countries workers often go to strike to fight for a pay rise and better working conditions.

8. Turn the tap into or the tub will overflow the water.

9. They put all the blame to the driver because of the accident.

10. The police came just in time to bring the riot in control.

8 tháng 3 2019

5. with

22 tháng 9 2018

1. The road was underwater. .......so............., the police closed it to traffic.

2. I haven’t got a car ......but.............. I’ve got a motorbike. Put the verbs in correct tenses

1. My mother .......makes............(make) alot of cakes. Would you like some?

2 Last weekend, when I .........saw...................(see) him, he .............was talking..............(talk) to a strange girl.

3. I don’ know many English words. I wish I .......knew....................(know) more English words Use the correct form of these words to complete each sentence.

22 tháng 9 2018

Fill in the blank space in each sentence with “and, but, so, or, because, therefore, however”.

1. The road was underwater. ...................., the police closed it to traffic.

2. I haven’t got a car .................... I’ve got a motorbike.

Put the verbs in correct tenses

1. My mother ...................(make) alot of cakes. Would you like some?

2 Last weekend, when I ............................(see) him, he ...........................(talk) to a strange girl.

3. I don’ know many English words. I wish I ...........................(know) more English words

Use the correct form of these words to complete each sentence.

1.I can't see the__________ of sitting on a beach all day. ( attract )

2. It is _____________________to eat much sugar and fat. ( health)

3. There are many cultural __________________between his country and mine. ( differ )

I/(1,0p Choose the word in each group that has the underlined part pronounced differently from the rest 1. A. nothing B. cover C. morning D. done 2. A. how B. town C. slow D. power 3. A. change B. chemistry C. choose D. cheese 4. A. match B. catch C. math D. watch 5. A. bread B. great C. break D. steak II/ (3,0 points) Choose the best word or phrase to complete the following sentences. 1. I like reading books ______ tell about different peoples and their cultures. A. who B. whom C....
Đọc tiếp

I/(1,0p Choose the word in each group that has the underlined part pronounced differently from the rest

1. A. nothing B. cover C. morning D. done

2. A. how B. town C. slow D. power

3. A. change B. chemistry C. choose D. cheese

4. A. match B. catch C. math D. watch

5. A. bread B. great C. break D. steak

II/ (3,0 points) Choose the best word or phrase to complete the following sentences.

1. I like reading books ______ tell about different peoples and their cultures.

A. who B. whom C. which D. where

2. “Buy me a dictionary on your way back,______?”

A. will you B. don’t you C. can’t you D. are you

3. Mary usually walks to school but today she ______ a bike.

A. ride B. rides C. riding D. is riding

4. She worked hard ______she passed the exam.

A. so B. if C. because D. as

5. I’ll give you a lift to the station if you _______ in a hurry.

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

6. I’m feeling pretty tired. Do you mind ______ me home?

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

7. Nam looks much _______ today than yesterday.

A. good B. well C. better D. the best

8. Scientists and engineers have invented devices to remove ______ from industrial wastes.

A. polluted B. pollute C. polluting D. pollutants

9. The dress you bought is of very good quality. It ______ very expensive.

A. may be B. must be C. should have been D. must have been

10. The Pikes put ______ their trip because of bad weather.

A. away B. up C. out D. off

11. Neither Linh nor her classmates ______ the National Museum so far.

A. visit B. visited C. have visited D. has visited

12. Nga: “You look nervous! ______” – Hoa: “This thunder scares me to death.”

A. How are you? B. Why’s that? C. Come on! D. What’s wrong?

13. He was homesick and he ______ all his family and friends.

A. missed B. wished C. desired D. hoped

14. I'm very ______ to you for putting in so much hard work.

A. thoughtful B. grateful C. considerate D. careful

15. If you come to the theatre late, you have to wait until the ______ to get in.

A. break B. refreshment C. interval D. half-time

III. Choose the underlined part (marked A, B, C or D) that needs correction.

21. I look forward to have the resolution to the problem I have mentioned.

A B C D

22. They have moved nothing in your room while they sent you to the hospital.

A B C D

23. Aren’t you afraid that they will sack you if you didn’t start coming to work on time?

A B C D

24. I had to drive to the factory to pick up my brother, who’s car wouldn’t start.

A B C D

25. It was not easy for us getting tickets for the concert.

A B C D

IV. Give the correct tense or form of the verbs in brackets.

26. When my mother came home from work, I_________(cook) dinner.

27. Jane_________(go) to school by bicycle every day.

28. The children_________(play) badminton in the stadium now.

29. You_________(go) to London last month?

30. The candidates mustn’t_________(bring) books into the examination room.

V/ (1,5 points) Read the passage and choose the best option A, B, C or D to answer the question.

Along with jogging and swimming, cycling is one of the best all-round forms of exercise. It can help to increase your strength and energy, giving you more efficient muscles and a stronger heart. But increasing your strength is not the only advantage of cycling. Because you’re not carrying the weight of your body on your feet, it’s a good form of exercise for people with painful feet or backs. However, with all forms of exercise it’s important to start slowly and build up gently. Doing too much too quickly can damage muscles that aren’t used to working. If you have any doubts about taking up cycling for health reasons, talk to your doctor and ask for his/her advice.

Ideally you should be cycling at least two or three times a week. For the exercise to be doing you good, you should get a little out of breath. Don’t worry that if you begin to lose your breath, it could be dangerous and there must be something wrong with your heart. This is simply not true; shortness of breath shows that the exercise is having the right effect. However, if you find you are in pain then you should stop and take a rest.

1. People with back problems might go cycling because__________.

A. it enables them to carry the weight of their body on their feet

B. it does not make them carry the weight of their body on their feet

C. it helps to make their backs become stronger

D. it helps them to relieve their backache

2. All forms of exercise must be started__________.

A. gradually B. quickly C. strenuously D. violently

3. According to the writer, it is best to go cycling__________.

A. once a week B. at least two or three times a week

C. at least two or three times a day D. every day

4. You should not worry about the shortness of breath because__________.

A. it shows that there is something wrong with your heart

B. it shows that you should stop and take a rest

C. it is a sign of exercise having the right effect

D. it is a sign of your getting rid of your heart problem

5. Which of the following is NOT included in the advantages of cycling?

A. Giving you a stronger heart B. Increasing you strength and energy

C. Giving you better muscles D. Making you look younger

VI/ (1,5 points) Fill in each blank with one suitable word.

Energy is one of the problems that many people are interested in. It is not an unfamiliar word. It is heard, said, discussed day after day. It is close to everyone’s (1)_____ life. You turn on the lamp and it is (2)______ that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you movement. You (3)______ your meals and it is energy that gives you heat to boil rice.

The problem is that the demand for energy is rising and that the price of energy is getting (4)______ and higher. The supply of energy on earth is limited. It cannot provide us all forever. The shortage of energy in the future is inevitable. Therefore, (5)______ energy is a must if we want to continue to live in a safe and sound world.

VII/ (1,5p) Complete the following sentences, using the words or phrases suggested.

1. I / feel / hopeful / that / we / find / suitable house / very soon.

.....................................................................................................................

2. She / not / play / piano / well / as / her sister.

.....................................................................................................................

3. I wish / could / give you / all the expensive things / life.

......................................................................................................................

4. You / hear / Maria / since / you / leave school?

.......................................................................................................................

5. The people / live / next door to us/ keep / have / all night parties.

........................................................................................................................

VIII/(1,5p) Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it.

1. People are going to build a new library in the area.

A new library _______________________________________________.

2. “Why don’t you take a day off tomorrow?” she said to me.

She suggested that ____________________________________________.

3. The weather is bad so we can’t go camping.

If the weather ________________________________________________.

4. He was punished because he behaved badly.

Because of __________________________________________________.

5. The keeper had no sooner opened the case door than the lion attacked him.

Hardly ______________________________________________________.

5
31 tháng 7 2018

I/(1,0p Choose the word in each group that has the underlined part pronounced differently from the rest

1. A. nothing B. cover C. morning D. done

2. A. how B. town C. slow D. power

3. A. change B. chemistry C. choose D. cheese

4. A. match B. catch C. math D. watch

5. A. bread B. great C. break D. steak

II/ (3,0 points) Choose the best word or phrase to complete the following sentences.

1. I like reading books ______ tell about different peoples and their cultures.

A. who B. whom C. which D. where

2. “Buy me a dictionary on your way back,______?”

A. will you B. don’t you C. can’t you D. are you

3. Mary usually walks to school but today she ______ a bike.

A. ride B. rides C. riding D. is riding

4. She worked hard ______she passed the exam.

A. so B. if C. because D. as

5. I’ll give you a lift to the station if you _______ in a hurry.

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

6. I’m feeling pretty tired. Do you mind ______ me home?

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

7. Nam looks much _______ today than yesterday.

A. good B. well C. better D. the best

8. Scientists and engineers have invented devices to remove ______ from industrial wastes.

A. polluted B. pollute C. polluting D. pollutants

9. The dress you bought is of very good quality. It ______ very expensive.

A. may be B. must be C. should have been D. must have been

10. The Pikes put ______ their trip because of bad weather.

A. away B. up C. out D. off

11. Neither Linh nor her classmates ______ the National Museum so far.

A. visit B. visited C. have visited D. has visited

12. Nga: “You look nervous! ______” – Hoa: “This thunder scares me to death.”

A. How are you? B. Why’s that? C. Come on! D. What’s wrong?

13. He was homesick and he ______ all his family and friends.

A. missed B. wished C. desired D. hoped

14. I'm very ______ to you for putting in so much hard work.

A. thoughtful B. grateful C. considerate D. careful

15. If you come to the theatre late, you have to wait until the ______ to get in.

A. break B. refreshment C. interval D. half-time

31 tháng 7 2018

V/ (1,5 points) Read the passage and choose the best option A, B, C or D to answer the question.

Along with jogging and swimming, cycling is one of the best all-round forms of exercise. It can help to increase your strength and energy, giving you more efficient muscles and a stronger heart. But increasing your strength is not the only advantage of cycling. Because you’re not carrying the weight of your body on your feet, it’s a good form of exercise for people with painful feet or backs. However, with all forms of exercise it’s important to start slowly and build up gently. Doing too much too quickly can damage muscles that aren’t used to working. If you have any doubts about taking up cycling for health reasons, talk to your doctor and ask for his/her advice.

Ideally you should be cycling at least two or three times a week. For the exercise to be doing you good, you should get a little out of breath. Don’t worry that if you begin to lose your breath, it could be dangerous and there must be something wrong with your heart. This is simply not true; shortness of breath shows that the exercise is having the right effect. However, if you find you are in pain then you should stop and take a rest.

1. People with back problems might go cycling because__________.

A. it enables them to carry the weight of their body on their feet

B. it does not make them carry the weight of their body on their feet

C. it helps to make their backs become stronger

D. it helps them to relieve their backache

2. All forms of exercise must be started__________.

A. gradually B. quickly C. strenuously D. violently

3. According to the writer, it is best to go cycling__________.

A. once a week B. at least two or three times a week

C. at least two or three times a day D. every day

4. You should not worry about the shortness of breath because__________.

A. it shows that there is something wrong with your heart

B. it shows that you should stop and take a rest

C. it is a sign of exercise having the right effect

D. it is a sign of your getting rid of your heart problem

5. Which of the following is NOT included in the advantages of cycling?

A. Giving you a stronger heart B. Increasing you strength and energy

C. Giving you better muscles D. Making you look younger

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 10:

1
25 tháng 12 2017

Đáp án: Because

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 9:

1
14 tháng 9 2017

Đáp án: Another

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 8:

1
15 tháng 12 2019

Đáp án: Fuel

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 7:

1
29 tháng 7 2018

Đáp án: Carry

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 6:

1
1 tháng 1 2019

Đáp án: Demand/need

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 5:

1
5 tháng 3 2019

Đáp án: That/which

Fill each blank with a suitable word to complete the following passage.Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the...
Đọc tiếp

Fill each blank with a suitable word to complete the following passage.

Space exploration is the investigation of the universe beyond the Earth’s atmosphere, by (1) ________ of manned or unmanned spacecraft. Despite the technological advancements achieved in the past, space exploration was only (2) _______ until the 20th century. The first successful orbital launch was made by the Soviet Union in 1957 which was called “Sputnik”. When the topic “SPACE EXPLORATION” is put (3)_______ the table, a question has often been asked: “Why should we spend money on NASA while there are so (4) _______ problems here on Earth?” However, this might be partially wrong since exploring the unknown may help us progress.

The advantages of space exploration include the materials (5) ________ can be obtained from outer space. For instance, asteroids have iron and nickel which could be utilized to satisfy the (6) ________ for metal. Therefore, numerous commercial companies have invested in developing technology for asteroid mining. Several comets and asteroids (7) ________ solid water in them. This water can be used for astronauts and scientists in space stations. The water can also be broken down to hydrogen which can be used as (8) ______ for the rockets. Scientists also believe that dinosaurs disappeared because they couldn’t go to (9) ________ planet. Sooner or later a killer comet will again cross Earth’s path, threatening all life. Fortunately, (10) _________we have knowledge about comets and space science, we will be able to survive.

Question 4:

1
30 tháng 1 2019

Đáp án: Many