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Lê Quỳnh  Anh
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Dương Hoàn Anh
13 tháng 7 2017 lúc 8:10

Đáp án: He was born on March 3rd, 1847.

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Alina
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Bảo Thy
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Đỗ Thanh Hải
20 tháng 10 2021 lúc 12:30

1 A

2 C

3 B

4 D

5 A

6 C

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Lê Quỳnh  Anh
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Dương Hoàn Anh
25 tháng 9 2017 lúc 6:03

Đáp án: A

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Dương Minh
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Nguyen Hoang Hai
19 tháng 1 2018 lúc 12:03

Đáp án là B.

Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.

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Nguyễn Hà Anh
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minh nguyet
20 tháng 9 2018 lúc 14:10

. 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

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Dương Minh
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Nguyen Hoang Hai
9 tháng 3 2017 lúc 12:11

Đáp án là C.

They lived in Boston, where Alexander taught in a school for the deaf – mutes.

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hsrhsrhjs
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Nguyễn Thị Ngọc Thơ
5 tháng 12 2018 lúc 22:14

Exercise 1 : Đọc kỹ đoạn văn rồi điền từ còn thiếu vào chỗ trống mỗi câu.

You may use the telephone every day but how much you know about it. Alexander Bell invented the first telephone in 1876. Bell was born in Scotland in 1847 but later he decided to emigrate to America and taught in a school for the deaf-mutes . Bell was interested in sound , so he wanted to be able to send sound through a wire . He did many experiments with his assistant , Thomas Watson . Bell finally succeeded . He invented the first telephone . Later other inventions made better ones but the way the telephone works is still the same

1. In 1976 => 1876 Alexander...Bell invented the first telephone.....

2. Bell was born in..........Scotland.............1947=> 1847

3. Bell wanted to be able to sen through a wire because he was...interested in sound....

4..........Thomas Watson....was Bell’s assistant

Exercise 2 : Đọc kỹ đoạn văn rồi điền từ còn thiếu vào chỗ trống mỗi câu.

The invention of the phonograph happened quite by accident . Thomas Edison moved to Menlo Park, New Jersy in 1876, where he established an industrial research laboratory . There, Edison was working on a carbon telephone transmitter to improve the exosting Bell telephone system

In that laboratory a year later, Edison invented the phonograph while he was trying to improve a telegraph repeater . He attached a telephone diaphragm to the needle in thetelegraph repeater ; in this way , he was able to reproduce a recording that could be played back. After he made some improvements to the machine, he tested it . He recited ‘‘Mary had a little lamb’’ into the machine and played his voice back to a very surprised audience

1. Thomas Edison moved to.............Menlo Park, New Jersy in.....1976=>1876

2. Thomas Edisom established an industrial research laboratory in........Menlo Park, New Jersy in......1976

3. He invented...... the phonograph....while he was trying to improve a telephone repeater

4. The invention of the........phonograph happened quite......by accident

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giang
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Đỗ Thanh Hải
23 tháng 7 2021 lúc 20:40

1 T

2 F

3 T

4 T

5 F

6 F

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Ú Bé Heo (ARMY BLINK)
23 tháng 7 2021 lúc 20:41

1. T

2. F

3. F

4. T

5. T

6. F

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