K
Khách

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

Điền từ còn thiếu vào chỗ trống :

Do you think the animals can understand each other ?

The answer is yes . They can communicate (1) ........................ each other by signs and sounds . For example , dogs communicate in many ways . They not only bark , (2) .................... they howl , growl , snarl , and whine . They lift a paw , or bare their teeth . Other dogs can understand what these sounds and actions (3) .......................

Animals communicate with each other not only with sounds and movements , but with smell . Most animals that live in herds (4).......................on smell to keep together . And , of course , we know how dogs recognize each other by smell.

Apes are supposed (5) ...................among the most intelligent of animals , yet , they really have no better " language " than other animals . They make many sounds and expressions of the (6) .........................to communicate their feelings of anger or hunger or joy , but they have nothing like the words of human speech .

By the way , unlike human begings who have to learn (7) ........................talk , apes and other animals know their " language " by instinct . They will make the right kind of cries and sounds and expression even if they have never seen another animal like (8) ..............before . Birds , however , learn their way (9) .....................singing , at least in part . That is why a sparrow brought up among canaries will try (10) ......................like one . It has been learning the wrong " language "

1
5 tháng 4 2018

Do you think the animals can understand each other? The answer is yes. They can communicate to each other by signs and sounds. For example, dogs communicate in many ways. They not only bark, even they howl, growl, snarl, and whine. They lift a paw, or bare their teeth. Other dogs can understand what these sounds and actions mean_.
Animals communicate with each other not only with sounds and movements but with smell. Most animals that live in herds depend on smell to keep together. And, of course, we know how dogs recognize each other by smell.
Apes are supposed to be among the most intelligent of animals, yet, they really have no better “language” than other animals. They make many sounds and expressions of the mouth to communicate their feelings of anger or hunger or joy, but they have nothing like the words of human speech.
By the way, unlike human beings who have to learn how to talk, apes and other animals know their “language” by instinct. They will make the right kind of cries and sounds and expression even if they have never seen another animal like themselves before.
Birds, however, learn their way of singing, at least in part. That is why a sparrow brought up among canaries will try to sing like one. It has been learning the wrong “language”!

Làm và có dịch nghĩa, giải thích___Help me!!!___________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and...
Đọc tiếp

Làm và có dịch nghĩa, giải thích___Help me!!!___________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions. People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings. Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese. Câu 11. People communicate with each other using ____. A. books B. words C. instructions D. information Câu 12. A later form of writing used symbols to represent ____. A. words B. sounds C. pictures D. meanings Câu 13. What is the most suitable title for this article? A. listening and speaking B. writing and reading C. words and writing D. alphabets and their meaning Câu 14. The first kind of writing used simple ____. A. objects B. people C. pictures D. animals Câu 15. An alphabet is a set of letters that represent the different sounds of a ____. A. letter B. language C. word D. symbol

0
Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and...
Đọc tiếp

Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbol

1
25 tháng 11 2017

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbol

11 tháng 3 2018

1. A.an B.a C.the D.one 2. A.if B.whether C.that D.so 3. A.trying B.imitating C.speaking D.listening 4. A.another B.other C.others D.ones 5. A.ancient B.primary C.primitive D.old 6. A. for B.of C.on D.to 7. A.where B.when C.that D.which 8. A.seem B.were C.was D.are

Điền từ phù hợp: (Giúp mình với ạ, cảm ơn nhiều ạ ^^) 0 IS Animals communication It (0) _______ sometimes said that animals use language. Certainly some animal species have developed amazingly sophisticated ways of communicating with (1) _______ another. But there are huge differences between the ways communicate and the ways human beings do. When animals make a sound, such (2) _______ a bark or a call, it is reaction to (3) ______ is happening around them. An alarm calls...
Đọc tiếp
Điền từ phù hợp: (Giúp mình với ạ, cảm ơn nhiều ạ ^^) 0 IS Animals communication It (0) _______ sometimes said that animals use language. Certainly some animal species have developed amazingly sophisticated ways of communicating with (1) _______ another. But there are huge differences between the ways communicate and the ways human beings do. When animals make a sound, such (2) _______ a bark or a call, it is reaction to (3) ______ is happening around them. An alarm calls means they are frightened. A hunger call means they want food. Animals, though, cannot make a call meaning 'I was scared yesterday' or 'I'll be hungry tomorrow'. Only human beings are capable (4) ______ doing this. Zoologists have had some success in teaching human language to animals. (5) ______ some famous experiments, chimpanzees have (6) ______ taught to use their hands to give information on a range of things. Some animals have even managed to put signs together in (7) _______ to make simple sentences. However, getting them to do this takes a huge (8) _______ of training
0
Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D. Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders...
Đọc tiếp

Làm và có dịch nghĩa, giải thích____________haha__________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbolLàm và có dịch nghĩa, giải thích____________________________IV. Choose from the four options given (marked A, B, C, and D) one best answer to complete each of the gaps below by circling the corresponding letter A, B, C, or D.

Can you imagine a world without words? The main way that we communicate with each other is by using words. We can communicate either by speaking and listening or by writing and reading. With words, we can give and receive information, ideas, orders and instructions.

People have used writing to communicate for about 7000 years. At first, they used to draw simple pictures to represent objects, such as people and animals. Then people started to put pictures together to represent something more difficult, like a sentence. The next step in the development of writing was to use symbols, or signs. These symbols represented the sounds of words and not their meanings.

Finally, the alphabet from which modern English comes was invented in about 1500 B.C. The people who invented the alphabet used a set of symbols to represent the sound “o”. This symbol is still used to the same sound today. Many languages are written with letters of an alphabet, including Vietnamese.

Câu 11. People communicate with each other using ____.

A. books B. words C. instructions D. information

Câu 12. A later form of writing used symbols to represent ____.

A. words B. sounds C. pictures D. meanings

Câu 13. What is the most suitable title for this article?

A. listening and speaking B. writing and reading

C. words and writing D. alphabets and their meaning

Câu 14. The first kind of writing used simple ____.

A. objects B. people C. pictures D. animals

Câu 15. An alphabet is a set of letters that represent the different sounds of a ____.

A. letter B. language C. word D. symbol

1
25 tháng 11 2017

Câu 11:B

Câu 12: A

Câu 13: D

Câu 14:C

Câu 15: B

Dịch

Bạn có thể tưởng tượng một thế giới mà không có từ ngữ ? Cách chính mà chúng ta giao tiếp với nhau là cách sử dụng từ. Chúng ta có thể giao tiếp bằng cách nói và nghe hoặc bằng cách viết và đọc. Với từ ngữ, chúng ta có thể cung cấp và nhận thông tin, ý tưởng, đơn đặt hàng và hướng dẫn.

Mọi người đã sử dụng văn bản để liên lạc trong khoảng 7000 năm. Ban đầu, họ đã từng vẽ những hình ảnh đơn giản để đại diện cho các vật thể, chẳng hạn như người và động vật. Sau đó, mọi người bắt đầu đặt hình ảnh lại với nhau để đại diện cho một cái gì đó khó khăn hơn, giống như một câu. Bước tiếp theo trong việc phát triển văn bản là sử dụng các biểu tượng, hoặc dấu hiệu. Những biểu tượng này thể hiện âm thanh của từ chứ không phải ý nghĩa của chúng.

Cuối cùng, bảng chữ cái từ đó tiếng Anh hiện đại được phát minh ra vào khoảng năm 1500 TCN Những người đã phát minh ra bảng chữ cái đã sử dụng một bộ ký hiệu để biểu diễn âm thanh "o". Biểu tượng này vẫn được sử dụng cho cùng một âm thanh ngày nay. Nhiều ngôn ngữ được viết bằng chữ cái của một bảng chữ cái, bao gồm tiếng Việt.

Since the world has become ............ (industry),there has been an increase in the number of animal species that have either become extinct or have neared extinction. Bengal tiger, for instance, which once roamed the jungles in vast number, now only about 2,300 and by the year 2025, their population is ............ (estimate)to be down to zero. What is alarming about the case of the Bengal tiger is that this ............ (extinct) will have been caused almost entirely by poachers who...
Đọc tiếp

Since the world has become ............ (industry),there has been an increase in the number of animal species that have either become extinct or have neared extinction. Bengal tiger, for instance, which once roamed the jungles in vast number, now only about 2,300 and by the year 2025, their population is ............ (estimate)to be down to zero. What is alarming about the case of the Bengal tiger is that this ............ (extinct) will have been caused almost entirely by poachers who according to some sources, are not interested in material gain but in ...........(p gratification. This is an example of the callousness that is part of what is causing the problem of extinction. Animals like Bengal tigers as well as other endangered species are a valuable part of the world's ecosystem. .................(nation) laws protecting these animals must be enacted to ensure their .......(survive) and the survival of our planet.
Countries around the world have begun to deal with the problem in ..........(vary) ways. Some countries, in order to circumvent the problem, have allocated large amounts of land to animal reserves. They then charge admission to help defray the costs of maintaining the parks and they often must also depend on world organizations for support. With the money they get, they can invest in equipment, and patrols to protect the animals. Another solution that is an attempt to stem the tide of animal extinction is an international boycott of products made from endangered species. This seems fairly effective but it will not, by itself, prevent animals from being hunted and killed.

5
3 tháng 1 2020

chỗ trống 4 : person

3 tháng 1 2020

ai giúp với xíu đi học r

Read the passage below and choose the best answers. Each nation has many good people who take care of others. For example, some of high school and college students in the United States often spend many hours as volunteers in hospitals, orphanages or home for the elderly. They read books to the people in these places, or they just visit them and play games with them or listen to their problems. Other young volunteers go and work in the homes of people who are sick or old. They paint, clean up,...
Đọc tiếp

Read the passage below and choose the best answers.

Each nation has many good people who take care of others. For example, some of high school and college students in the United States often spend many hours as volunteers in hospitals, orphanages or home for the elderly. They read books to the people in these places, or they just visit them and play games with them or listen to their problems. Other young volunteers go and work in the homes of people who are sick or old. They paint, clean up, or repair their houses, or the shopping or mow their lawns. For boys who no longer have fathers there is an organization called Big Brothers. College students and other men take these boys to baseball games or on fishing trips and help them to get to know things that boys usually learn from their fathers. Each city has a number of clubs where boys and girls can go and play games or learn crafts. Some of these clubs show movies or organize short trips to the mountains, the beaches, museums or other places of interest. Most of these clubs use a lot of high school and college students as volunteers because they are young enough to understand the problems of younger boys and girls. Volunteers believe that some of the happiest people in the world are those who help to bring happiness to others.

1. What do volunteers usually do to help those who are sick or old in their homes?

A. They mow lawns, do shopping, and clean up their houses.

B. They cook, sew, and wash their clothes.

C. They tell them stories and sing and dance for them.

D. They take them to baseball games.

2. What do they help boys whose fathers do not live with them?

A. To get to know things about their fathers.

B. To get to know things that boys want from their fathers.

C. To learn things that boys usually learn from their fathers.

D. To learn things about their fathers.

3. Which activity is NOT available for the students at the clubs?

A. playing games B. watching films C. going to interesting places D. learning photography

4. Why do they use many high school and college students as volunteers? Because......

A. they have a lot of free time.

B. they can understand the problems of younger boys and girls.

C. they know how to do the work.

D. they are good at playing games and learning crafts.

5. What do volunteers believe?

A. In order to make others happy, they have got to be unhappy.

B. The happiest people in the world are those who make themselves happy.

C. The happiest people in the world are those who are young and healthy.

D. Bringing happiness to others makes them the happiest people in the world

1
24 tháng 2 2018

Read the passage below and choose the best answers.

Each nation has many good people who take care of others. For example, some of high school and college students in the United States often spend many hours as volunteers in hospitals, orphanages or home for the elderly. They read books to the people in these places, or they just visit them and play games with them or listen to their problems. Other young volunteers go and work in the homes of people who are sick or old. They paint, clean up, or repair their houses, or the shopping or mow their lawns. For boys who no longer have fathers there is an organization called Big Brothers. College students and other men take these boys to baseball games or on fishing trips and help them to get to know things that boys usually learn from their fathers. Each city has a number of clubs where boys and girls can go and play games or learn crafts. Some of these clubs show movies or organize short trips to the mountains, the beaches, museums or other places of interest. Most of these clubs use a lot of high school and college students as volunteers because they are young enough to understand the problems of younger boys and girls. Volunteers believe that some of the happiest people in the world are those who help to bring happiness to others.

1. What do volunteers usually do to help those who are sick or old in their homes?

A. They mow lawns, do shopping, and clean up their houses.

B. They cook, sew, and wash their clothes.

C. They tell them stories and sing and dance for them.

D. They take them to baseball games.

2. What do they help boys whose fathers do not live with them?

A. To get to know things about their fathers.

B. To get to know things that boys want from their fathers.

C. To learn things that boys usually learn from their fathers.

D. To learn things about their fathers.

3. Which activity is NOT available for the students at the clubs?

A. playing games B. watching films C. going to interesting places D. learning photography

4. Why do they use many high school and college students as volunteers? Because......

A. they have a lot of free time.

B. they can understand the problems of younger boys and girls.

C. they know how to do the work.

D. they are good at playing games and learning crafts.

5. What do volunteers believe?

A. In order to make others happy, they have got to be unhappy.

B. The happiest people in the world are those who make themselves happy.

C. The happiest people in the world are those who are young and healthy.

D. Bringing happiness to others makes them the happiest people in the world

Scientists have long struggled with how to measure the effects of climate change on wildlife. This is especially true for birds flying in and out of coastal areas bordering the Arctic Ocean. In the past, researchers depended mainly on information gathered by satellite to follow the movement of birds and animals. But this method can be costly and result in huge amounts of information, which can be difficult to process.Now scientists are turning to another kind of technology to help them follow...
Đọc tiếp

Scientists have long struggled with how to measure the effects of climate change on wildlife. This is especially true for birds flying in and out of coastal areas bordering the Arctic Ocean. In the past, researchers depended mainly on information gathered by satellite to follow the movement of birds and animals. But this method can be costly and result in huge amounts of information, which can be difficult to process.

Now scientists are turning to another kind of technology to help them follow birds and other wildlife. Songbirds are especially difficult to study in the wild. They can fly across thousands of kilometers and their bodies are too small for electronic tracking devices.

A new report tells about a project in which researchers recorded songbirds and then put the sounds into a computer program to be studied. The researchers created machine learning algorithms with the ability to focus on bird calls while ignoring other noises. The algorithm helps improve the likelihood of predicting the correct result. Similar machine learning methods have been used to recognize human speech.

1
16 tháng 7 2018

Các nhà khoa học từ lâu đã phải vật lộn với cách đo lường tác động của biến đổi khí hậu đối với động vật hoang dã. Điều này đặc biệt đúng đối với các loài chim bay vào và ra khỏi các khu vực ven biển giáp với Bắc Băng Dương. Trong quá khứ, các nhà nghiên cứu phụ thuộc chủ yếu vào thông tin thu thập bởi vệ tinh để theo dõi sự di chuyển của chim và động vật. Nhưng phương pháp này có thể tốn kém và dẫn đến lượng thông tin khổng lồ, có thể khó xử lý. Bây giờ các nhà khoa học đang chuyển sang một loại công nghệ khác để giúp họ theo dõi chim và động vật hoang dã khác. Songbirds đặc biệt khó học trong tự nhiên. Họ có thể bay qua hàng ngàn cây số và cơ thể của họ quá nhỏ cho các thiết bị theo dõi điện tử. Một báo cáo mới cho biết về một dự án trong đó các nhà nghiên cứu ghi nhận loài chim biết hót và sau đó đưa âm thanh vào một chương trình máy tính để nghiên cứu. Các nhà nghiên cứu đã tạo ra các thuật toán học máy với khả năng tập trung vào các cuộc gọi chim trong khi bỏ qua các tiếng ồn khác. Thuật toán giúp cải thiện khả năng dự đoán kết quả chính xác. Các phương pháp học máy tương tự đã được sử dụng để nhận ra lời nói của con người.

Everyone knows that honeybees make honey, but how do they actually do it? Honeybees live in colonies, which means that they live with lots of other bees. Beehives, nests made of wax, are the places where they live and stow their honey. Honeybees drink nectar from flowers or other sweet deposits from plants or trees. The honey made by these bees is used to supply the colony with food during the cold winter when there arc no flowers to drink from. Thus, these bees not only consume the nectar for...
Đọc tiếp

Everyone knows that honeybees make honey, but how do they actually do it? Honeybees live in colonies, which means that they live with lots of other bees. Beehives, nests made of wax, are the places where they live and stow their honey.

Honeybees drink nectar from flowers or other sweet deposits from plants or trees. The honey made by these bees is used to supply the colony with food during the cold winter when there arc no flowers to drink from. Thus, these bees not only consume the nectar for nourishment but also bring it home. They have a special organ called a honey stomach which is used to carry the food to their colony.

When honeybees come back home, they regurgitate what they have put in their honey stomachs. Other honeybees in the hive come along and help them. They repeatedly eat and regurgitate many times until the product becomes somewhat digested. Next, the bees move the syrupy product into open honeycomb cells. Then they beat their wings to fan it to prevent fermentation. The fanning makes the water evaporate so that the product gets thick enough. Now it cannot easily be attacked by bacteria. Finally, it can be called honey. After this process, honeybees seal up the honeycomb cells with wax until they are hungry.

The most impressive part of this process is how seamlessly a bee colony works together. In a colony, there are female worker bees, male drones, and one queen bee. Although there are both male and females in the hive, the majority of the work is done by females. The female worker bees are in charge of taking care of the hive and creating honey. When they are young, they take care of feeding the young bee larvae. When they are older, they go out and bring nectar back to the hive, where they begin making honey. The male drones are responsible for fertilizing the eggs, but require little energy as they spend their time waiting around the hive. The single queen bee is responsible for the colony's survival. She is the only female that can lay eggs. The wonderful substance called honey would not exist without the bees' teamwork.

1. What is the main topic of the passage?

A. The role of the female honeybee
B. Preventing fermentation in honey
C. Why honeybees build huge wax nests
D. How a honeybee colony works to make honey

2. What can be inferred from the passage about honey? A. It's not always the same color
B. It is only liked by a minority of people
C. Watery honey can go bad easily
D. It is created and cared for by the queen bee 3. What do honeybees do to prevent fermentation? A. Blow air on the honey by waving their wings
B. Overproduce honey using their legs
C. Feed the larvae the unfermented honey
D. Bring the honey to the honeycomb cells 4. According to the passage, which of the following is NOT true of honeybees? A. They work together in their colony.
B. They produce honey through a complex process
C. The queen bee is responsible for making honey
D The worker bees work both inside and outside of their hive.
0