K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

30 tháng 7 2023

Complete the sentences with the words from the box:
1. We’ll see pilotless planes or autonomous planes in the next 40 to 50 years.
2. Supersonic planes can travel faster than the speed of sound.
3. A solar-powered only run efficiently when the sun shines.
4. Driverless car are fitted with sensors to detect other road users and avoid collisions.
5. Driving an eco-friendly vehicle is a great way to help human health and the environment.
6. An autonomous underwater vessel will be used as a means of passenger transport.
7. The Shinkansen bullet train, a high-speed passenger train of Japan, can reach a speed of 320km/h.
8. Police are turning round cars stuck in gridlocked traffic after serious crash.

Read the passage below and decide whether the statements are TRUE or FALSE?We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial...
Đọc tiếp

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Computers are not speedy enough to help human to complete their task in few seconds.

A. True

B. False

1
26 tháng 5 2018

Đáp án: B

Giải thích: Dựa vào câu: “One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds.”.

Dịch: Một trong những lợi ích của máy tính là tốc độ đáng kinh ngạc, cái mà giúp con người hoàn thành công việc trong vòng vài giây.

X. Read the passage carefully and do the tasks. There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping garbage and Chemicals in the water....
Đọc tiếp

X. Read the passage carefully and do the tasks.
There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by
nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the
air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and
smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping
garbage and Chemicals in the water. Plants and animals die because of the pollution in the water. We
pollute the soil with Chemicals and garbage. We harm the land by cutting down trees in the forest,
especially to build roads and new houses without careful planning and thinking.
The only way to save our environment is to think about pollution. How can you stop or limit pollution?
How do we protect our environment? Conservation is one way to protect our environment. Conservation is
the wise use and protection of our environment. We can control water pollution by not producing as much
as waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up,
after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air
pollution.
Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can
help us conserve our natural resources so they will last many more years. A. Find the word in bold in the
passage that means:
1. the protection of the natural environment ____
2. have a bad effect on something ____
3. a large amount of water covering an, area that usually dry ____
4. sharing a car ride with other people ____
5. waste gases that come out of an engine ____
6. the process of making air, water, soil, etc. dirty ____
7. get rid of ____
B. Choose the correct answers.
1. According to the passage, pollution________
A. is always caused by humans. B. can only be caused by nature.
C. is mainly caused by humans. D. may sometimes cause natural disasters.
2. What kind of pollution may a car cause?
A. Air pollution B. Water pollution C. Soil pollution D. Light pollution
3. Which of the followings is not an example of soil pollution?
A. Land development B. Waste disposal
C. Pesticide or fertilizer use D. Exhaust from traffic
4. How can we help save our environment?
A. Stop pollution. B. Dump garbage into the river.
C. Drive cars everywhere. D. Cut down trees in the forests.
5. How does recycling help the environment?
A. It expands landfills. B. It saves natural resources.
C. It increases water pollution. D. It causes air pollution.

6. What can we do to help reduce air pollution?
A. Walk or bike B. Carpool to work or school
C. Use public transport D. All of the above
7. What is the main idea of this article?
A.The air is dirty because of cars and factories. B. The soil gets polluted from littering.
C.People cause pollution, but they can also stop or limit it.
D. Conservation is the only way to stop environmental pollution.

1
7 tháng 3 2021

1-c;2-a;3-d;4-a;5-b;6-d;7-c

Read the passage below and decide whether the statements are TRUE or FALSE?We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial...
Đọc tiếp

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Computers are not used in Defence.

A. True

B. False

1
27 tháng 8 2018

Đáp án: B

Giải thích: Dựa vào câu: “Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.”.

Dịch: Những máy tính được sử dụng ở nhiều lĩnh vực như giáo dục, sức khoẻ và y học, các bộ tài chính, hệ thống giao thông, thương mại điện tử và quốc phòng, vân vân.

 Read the passage below and decide whether the statements are TRUE or FALSE?We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial...
Đọc tiếp

 

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Computers help store and process data.

 

A. True

B. False

1
20 tháng 8 2017

Đáp án: A

Giải thích: Dựa vào câu: “Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data.”.

Dịch: Máy tính đóng vai trò quan trọng trọng cuộc sống hàng ngày, giống như việc chúng ta rất phụ thuộc vào chúng để làm nhiều thứ, bao gồm cho người dùng có thể nhanh chóng và dễ dàng lưu trữ và xử lý dữ liệu.

Read the passage below and decide whether the statements are TRUE or FALSE?We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial...
Đọc tiếp

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Computers provides prevention against cyber attack or access attack.

A. True

B. False

1
30 tháng 3 2017

Đáp án: A

Giải thích: Dựa vào câu: “Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.”.

Dịch: Máy tính cung cấp nền an ninh khỏi các nguồn gây rối và từ những động thái không mong muốn từ những người dùng ẩn danh như tấn công không gian mạng hay truy cập bất hợp pháp.

Noise is constant and loud sound. To measure the loudness, or volume of sounds, people use a unit called a decibel. When a sound is louder than 70 decibels, it can cause noise pollution. Do you know that the noise from a vacuum cleaner or a motorcycle can result in permanent hearing loss after eight hours? The sounds of a concert are even more serious. They can reach as high as 130 decibels and may cause immediate and permanent hearing loss. Noise pollution can also lead to headaches and high...
Đọc tiếp

Noise is constant and loud sound. To measure the loudness, or volume of sounds, people use a unit called a decibel. When a sound is louder than 70 decibels, it can cause noise pollution. Do you know that the noise from a vacuum cleaner or a motorcycle can result in permanent hearing loss after eight hours? The sounds of a concert are even more serious. They can reach as high as 130 decibels and may cause immediate and permanent hearing loss. Noise pollution can also lead to headaches and high blood pressure. If you are listening to music through headphones, and other people can hear it. it means the music is too loud and unsafe. If there seems to be a ringing or buzzing in your ears, it means the noise is affecting you and damaging your hearing- Wearing earplugs when you go to concerts or other loud events, and listening to music through headphones or headsets at safe levels can help you reduce the effects of noise pollution.

1. What do people use to measure the loundness or volume of sounds ?

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

2. Does the noise from a vacuum cleaner result in pernament hearing loss after eight hours ?

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

3. What can noise pollution also lead to ?

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

4. Is the music safe when you listen to it through headphones , and other people can hear it as well ?

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

5. What can you do to help reduce the effects of noise pollution ?

1
21 tháng 1 2018

Noise is constant and loud sound. To measure the loudness, or volume of sounds, people use a unit called a decibel. When a sound is louder than 70 decibels, it can cause noise pollution. Do you know that the noise from a vacuum cleaner or a motorcycle can result in permanent hearing loss after eight hours? The sounds of a concert are even more serious. They can reach as high as 130 decibels and may cause immediate and permanent hearing loss. Noise pollution can also lead to headaches and high blood pressure. If you are listening to music through headphones, and other people can hear it. it means the music is too loud and unsafe. If there seems to be a ringing or buzzing in your ears, it means the noise is affecting you and damaging your hearing- Wearing earplugs when you go to concerts or other loud events, and listening to music through headphones or headsets at safe levels can help you reduce the effects of noise pollution.

1. What do people use to measure the loundness or volume of sounds ?

They use a unit called a decibel to measure the loundness or volume of sounds

2. Does the noise from a vacuum cleaner result in pernament hearing loss after eight hours ?

Yes, it does

3. What can noise pollution also lead to ?

It can also lead to headaches and high blood pressure

4. Is the music safe when you listen to it through headphones , and other people can hear it as well ?

No, it isn't

5. What can you do to help reduce the effects of noise pollution ?

I can wear earplugs when you go to concerts or other loud events, and listening to music through headphones or headsets at safe levels to help reduce the effects of noise pollution

Read the passage below and decide whether the statements are TRUE or FALSE?We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial...
Đọc tiếp

Read the passage below and decide whether the statements are TRUE or FALSE?

We are all around computers. Computers play an important play in our day to day lives, like we are very much dependent them for doing many things including giving users the ability to quickly and easily store and process data. Since the invention of computer they have evolved in terms of increased computing power and decreased size. Computers are used in many sectors like Education, Health and Medicine, Financial Institutions, Transport System, E-Commerce, Defence etc.

Computers connect us to the world of unknown. They help us gathering knowledge and huge information from the internet and storing it. Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

Now computer is not just a calculating device, it has become much more than that. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Question: Banks use computers because they’re multitasking and accurate.

A. True

B. False

1
16 tháng 11 2017

Đáp án: A

Giải thích: Dựa vào câu: “Computers are multitasking and accurate enough to be used almost anywhere and everywhere including banks.”.

Dịch: Máy tính đủ khả năng làm nhiều công việc 1 lúc và đủ chính xác để dùng hầu khắp mọi nơi bao gồm cả ngân hàng.

I. Give the correct form of the word in the brackets: Most people would be in agreement with idea, often put forward by doctors, that we should avoid taking medicines unnecessarily. Even people with only (limit)................medical knowledge say that it is not (advise)................ to take aspirin, for example, whenever you have (head)........... or some other minor ailment. It is certainly true that people have tended to become very (depend)............ on pills when any kinds of...
Đọc tiếp

I. Give the correct form of the word in the brackets:

Most people would be in agreement with idea, often put forward by doctors, that we should avoid taking medicines unnecessarily. Even people with only (limit)................medical knowledge say that it is not (advise)................ to take aspirin, for example, whenever you have (head)........... or some other minor ailment. It is certainly true that people have tended to become very (depend)............ on pills when any kinds of discomfort, rather than simply waiting for the symptoms to pass. Many people would do well to take a different attitude to preventing illness. The best way to keep well is to avoid (health)....................foods and habits. It is also (help)............... to take plenty of exercise, and we should give (encourage) ............... particularly than young one.

If we can educate an early age to keep fit and to look after themselves (care)...............then the (probable).............. of their having problems in later life will be considerably reduced. However, no matter how well we look after ourselves and how much exercise we do, illness, (fortunate)...........is not always preventable.

II. Give the correct tenses or form of the verbs in brackets:

1. It's really difficult. Each of them (understand)..................the question in a different way.

2. We must emphasize the need for greater care when acids (use).........................

3. At last you are here. I (wait)..............for you for more than half an hour.

4. These book (write).....................(read).............by everyone. They should not be kept here.

5. He could remember (drive)..........along the road just before the accident (happen) ...........but he couldn't remember the accident itself.

III. Finish each of the following sentences in such a way that it means the same as the sentence printed before it:

1. Our house is going to be rebuilt by a local firm

=> We are ...........................................................

2. Leave now or you will miss the train.

=> Unless...............................................................

3. Everyone was surprised to see Geoff leave the party early.

=> To .......................................................................

4. It was so late that nothing could be done.

=> It was too ................................................................

5. I sent my friend a letter in London last week.

=> A letter.......................................................................

6. I last saw him when I was a student.

=> I haven't .................................................................

7. She may live anywhere, the police will find her.

=> No matter ...................................................................

3
21 tháng 4 2018

I. Give the correct form of the word in the brackets:

Most people would be in agreement with idea, often put forward by doctors, that we should avoid taking medicines unnecessarily. Even people with only (limit).......limited.........medical knowledge say that it is not (advise)...........advisable..... to take aspirin, for example, whenever you have (head).......headache.... or some other minor ailment. It is certainly true that people have tended to become very (depend)......dependent...... on pills when any kinds of discomfort, rather than simply waiting for the symptoms to pass. Many people would do well to take a different attitude to preventing illness. The best way to keep well is to avoid (health)......unheathy ..............foods and habits. It is also (help).......helpful

........ to take plenty of exercise, and we should give (encourage) .........encouragement...... particularly than young one.

If we can educate an early age to keep fit and to look after themselves (care).......carefully
........then the (probable)..........probability.... of their having problems in later life will be considerably reduced. However, no matter how well we look after ourselves and how much exercise we do, illness, (fortunate).......unfortunately....is not always preventable.

21 tháng 4 2018
20 phút trước

I. Give the correct form of the word in the brackets:

Most people would be in agreement with idea, often put forward by doctors, that we should avoid taking medicines unnecessarily. Even people with only (limit)......limited ..........medical knowledge say that it is not (advise).....advisable ........... to take aspirin, for example, whenever you have (head)......headache ..... or some other minor ailment. It is certainly true that people have tended to become very (depend).....dependent ....... on pills when any kinds of discomfort, rather than simply waiting for the symptoms to pass. Many people would do well to take a different attitude to preventing illness. The best way to keep well is to avoid (health)........unhealthy ............foods and habits. It is also (help).......helpful ........ to take plenty of exercise, and we should give (encourage) ......encouragement ......... particularly than young one.

If we can educate an early age to keep fit and to look after themselves (care)........carefully .......then the (probable).......probability ....... of their having problems in later life will be considerably reduced. However, no matter how well we look after ourselves and how much exercise we do, illness, (fortunate)....unfortunately .......is not always preventable.

II. Give the correct tenses or form of the verbs in brackets:

1. It's really difficult. Each of them (understand)......misunderstand ............the question in a different way.

2. We must emphasize the need for greater care when acids (use).....are used .........

3. At last you are here. I (wait).......have been waiting .......for you for more than half an hour.

4. These book (write)......written ......(read).....are read ........by everyone. They should not be kept here.

5. He could remember (drive)...driving .......along the road just before the accident (happen) .......had happened ....but he couldn't remember the accident itself.

III. Finish each of the following sentences in such a way that it means the same as the sentence printed before it:

1. Our house is going to be rebuilt by a local firm

=> We are .......going to have our house rebuilt by a local firm .......

2. Leave now or you will miss the train.

=> Unless.......you leave now, you will miss the train ......

3. Everyone was surprised to see Geoff leave the party early.

=> To ........everyone's surprise, Geoff left the party early ........

4. It was so late that nothing could be done.

=> It was too ......late for anything to be done ..

5. I sent my friend a letter in London last week.

=> A letter.......was sent my friend in London last week .......

6. I last saw him when I was a student.

=> I haven't .....seen him since I was a student ....

7. She may live anywhere, the police will find her.

=> No matter .......where she lives, the police will find her......

I. Read the passage, and then decide whether the statements that follow are True (T) or False (F). In my opinion, using the computer as your hobby can be harmful to both your health and your social life. Firstly, sitting all day in front of the computer can cause health problems such as eye-tiredness and obestity. Secondly, you may get irritated easily. Besides, if you use the computer too much, you will not have time for your family and friends. In short, computers should only be used for a...
Đọc tiếp

I. Read the passage, and then decide whether the statements that follow are True (T) or False (F).
In my opinion, using the computer as your hobby can be harmful to both your health and your social life. Firstly, sitting all day in front of the computer can cause health problems such as eye-tiredness and obestity. Secondly, you may get irritated easily. Besides, if you use the computer too much, you will not have time for your family and friends. In short, computers should only be used for a limited time.
1. Using the computer too much can make your eyes tired. 1. ______________
2. Using the computer too much is not good for you. 2. _____________
3. We still can spend a lot of time with our family and friends. 3. __________
4. According to the writer, we can use the computer for a long time. 4. __________
5. Computers should only be used for a limited time. 5. __________
II. Read the passage carefully.
My Village
I live in a village by Mekong River. Everyday, like most of my friends, I walk to school. It is three kilometers away. After class, I often help my mother to collect water from the river and feed the chickens. At the weekend, the villagers often gather at the community hall where there is a TV. The adults watch TV, but more often they talk about their farm work and exchange news. The children run around, palying games and shouting merrily. Laughter is heard everywhere.
My father sometimes takes me to the market town nearby where he sells our hone products like vegetables, fruits, eggs... He then buys me an ice cream and lets me take a ride on the electric train in the town square. I love those trips.
On starry nights, we children lie on the grass, looking at the sky and daring each other to find the Milky Way. We dream of faraway places.
Answer the following questions.
1. Does the boy like riding on the electric train in the town square?
.......................................................
2. What do the children do on starry nights?
.......................................................
3. Do you like to live in the countryside or in the city? Why?
.......................................................
III. Supply suitable words to complete the following passage.
Our classes take place for three hours every morning ________(1) Monday to Friday. The maximum class size _______(2) twenty and the average is ten. We use modern methods of ____(3) and learning, and the school has a language laboratory, a video camera and recorder. You will only be successful _____(4) improving your English, however, if your work hard and ______(5) speaking English as much as you can. You will take a short _____(6) in English as soon as you arrive. In this way, we can put you in a ______(7) at the most suitable level.
There are two classes_____(8) the elementary level; one is for complete beginners and the_____(9) is for students who know a_____(10) English. In both classes, you will practise simple conversations.
IV. Use the words and phrases to write a passage.
1. In/ 1970s, skateboarding suddenly/ become very popular.
2. At first, skateboarders/ move slowly/ flat, smooth areas.
3. Then they/ begin/ ride quickly. This/ be called "freestyle" skateboarding.
V. Fill in the blanks with suitable prepositions: "in, at, on, after, under, between, beside, out of, above, beneath".
1. There is a bus station................the end of this road.
2. Keep those medicines.........the children's reach.
3. I lost my keys somewhere............the car and the house.
4. Come...........and sit...........your sister.
5. D comes.............C in the alphabet.
6. The boat sank...........the waves.
7. Don't shelter.............the trees when it's raining.
8. Please put these books..........the bookshelf.........the desk.

0