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2 tháng 12 2021

Alexander Bell successfully demonstrated his invention at a lot of exhibitions.

2 tháng 12 2021

Alexander Bell successfully demonstrated his invention at a lot of exhibitions

21 tháng 12 2019

his invention/successfully/Alexander Graham Bell/at countless exhibition/demonstrated/

=> Alexander Graham Bell demonstrated his invention successfully at countless exhibition

I. One of the inventions made in the world of science and technology is the telephone. This instrument has become an important part in our daily life The word "telephone " comes from two Greek words" tele " and " phone". These words mean "far" and "sound". The telephone uses electricity to carry sound over distance. So you see, the two Greek words tell us exactly what the instrument does. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly....
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I. One of the inventions made in the world of science and technology is the telephone. This instrument has become an important part in our daily life The word "telephone " comes from two Greek words" tele " and " phone". These words mean "far" and "sound". The telephone uses electricity to carry sound over distance. So you see, the two Greek words tell us exactly what the instrument does. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly. However, the way the telephone works is still the same. I. What has become an important part in our daily life? 2. What do the words " tele" and" phone " mean? 3. How does the telephone carry sound over a distance? 4. Who invented the telephone? 5. When was the telephone invented? 6. Has the design of the telephone set changed a lot since its invention? 2.Alexander Graham Bell was born in Scotland. He emigrated to Canada first and then to the USA in 1870s In America, he worked with the deaf-mutes at Boston University. Soon, Bell started experimenting with ways of transmitting speech over a long distance. He worked with Thomas Watson, his assistant. Bell and Watson conducted many experiments. He successfully demonstrated his invention to the public at countless exhibitions, he invented the telephone. By 1877 the first telephone was in commercial use. 1. Where was Alexander Graham Bell born ? 3. Who did Bell work with at Boston University? 4. What did Bell invent ? 5. Did Bell conduct many experiments in America? 6. Where did he successfully demonstrate his invention? 2. Where did he emigrate first ?

1
20 tháng 9 2018

. 1. Where was Alexander Graham Bell born ?

In Scotland

2. Where did he emigrate first ?

He emigrated to Canada first

3. Who did Bell work with at Boston University?

Thomas Watson

4. What did Bell invent ?

The telephone

5. Did Bell conduct many experiments in America?

Yes, he did

6. Where did he successfully demonstrate his invention?

At the countless exhibitions

14 tháng 9 2017

ko có động từ mà có trạng từ

S + adv ?????????????????

14 tháng 9 2017

Ở câu này , nếu bạn sử dụng sucessful thì sẽ bị sai ngữ pháp , tính từ chỉ đứng sau to be , đúng trước danh từ và đứng sau 13 động từ chỉ cảm giác như là seem , feel , smell , taste , ......

Đây là ý hiểu của mình . Có gì sai mong bạn thông cảm và góp ý lại để mình sửa ạ

Read the text about Alexander Graham Bell and do the tasks:Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved th the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph ( used to send multiple messages over a single...
Đọc tiếp

Read the text about Alexander Graham Bell and do the tasks:

Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved th the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph ( used to send multiple messages over a single wire) and phonautograph ( used to draw the shape of the sound waves). The first telephone communication was said to have happened between Bell and Watson in 1876 while Bell was at one end of the line, and Watson worked on the telephone in other room. The first transmitted words were, " Mr Watson, come here. I want to see you"

a. Decide if the statements are T or F

1. Alexander Graham Bell is Scottish

2. He spent all his life in Canada

3. He worked with the deaf when he moved to the USA

4. He wanted to create a device that can transmit human voice

5. He was able to succeed right from the first experiment

6. He worked on his inventions all by himself

b. Answer the questions

1. What is Bell 's "harmonic telegraph"?

2. What is Bell 's "phonautograph"?

3. When did the first communication over happened and how did it happen?

1

BN KIÊN NHẪN NHỈ ???

Read the text about Alexander Graham Bell and do the tasks:

Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved th the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph ( used to send multiple messages over a single wire) and phonautograph ( used to draw the shape of the sound waves). The first telephone communication was said to have happened between Bell and Watson in 1876 while Bell was at one end of the line, and Watson worked on the telephone in other room. The first transmitted words were, " Mr Watson, come here. I want to see you"

a. Decide if the statements are T or F

1. Alexander Graham Bell is Scottish /T/

2. He spent all his life in Canada   /F/

3. He worked with the deaf when he moved to the USA  /T/

4. He wanted to create a device that can transmit human voice /T/

5. He was able to succeed right from the first experiment /F/

6. He worked on his inventions all by himself  /F/

b. Answer the questions

1. What is Bell 's "harmonic telegraph"?

It's used to send multiple messages over a single wire 

2. What is Bell 's "phonautograph"?

It's used to draw shape of the sound waves 

3. When did the first communication over happened and how did it happen?

.... ( mk chịu )

22 tháng 11 2017

Word Forms:

1. Hard work always brings .success.. (successfully)

2. My dad is a .successful.. person. (succeed)

successful (adj) thành đạt.

3. She was upset because she worked .successfully.. on her project. (success)

4. Hard work usually brings .success.. (succeed)

5. They are .successful.. businessmen. (success)

6. Alexander Graham Bell .successfully.. demonstrated his inventions. (succeed)

7. Bell demonstrated his invention ..sucessfully. to the public. (success)

=> Như vậy, ta nhận thấy như sau:

- Trước danh từ ta cần một tính từ: adj + noun. (tính từ bổ nghĩa danh từ).

- Sau động từ, ta cần một trạng từ để bổ nghĩa cho động từ ấy.

22 tháng 11 2017

Và: - Sau ngoại động từ, ta có thể dùng danh từ để bổ nghĩa:

Verb (ngoại động từ) + N (danh từ.)

10 tháng 12 2017

Alexander Graham Bell (success) successfully demonstrated his invention.

Ở câu này,nếu sử dụng successful thì sẽ sai ngữ pháp, tính từ chỉ đứng sau to be, đứng trước danh từ và đứng sau 13 động từ chỉ cảm giác.

15 tháng 12 2017

''successfully'' nha bạn!!!

13 tháng 3 2020

1. He was born in 1847 in Endinburgh, Scotland

2. He worked with deaf-mutes

3. Thomas Edison was Bell's assistant

4. Bell demonstrated his invention at a lot of exhibitions

14 tháng 9 2017

1. Alexander Graham Bell was born in Scotland

2. Alexander Graham Bell went to live in Canada

3. Alexander Graham Bell went to live in the United States

4. Alexander Graham Bell worked with people who could neither speak nor hear

5. Alexander Graham Bell worked with Thomas Watson

6. Alexander Graham Bell invented the telephone

20 tháng 9 2021

14 commercial

15 invention

16 safety

17 dangerous

18 electric