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10 tháng 4 2018

Alexander Bain (1810-1877) là nhà phát minh, kỹ sư người Scotland. Ông cùng với Giovanni Caselli và Frederick Bakewell nghiên cứu độc lập với nhau về công nghệtruyền hình ảnh và các từ ngữ đơn giản bằng điện báo. Năm 1842, Bain đã phát minh ra fax. Hệ thống fax đầu tiên trên thế giới này gồm có quả lắc chuyển động trên bộ kim loại. Chuyển động này gây ra một dòng điện chạy trên các dây kim loại tới quả lắc treo ở các xa khớp với quả lắc đầu tiên. Giấy xử lý bằng hóa chất được đặt dưới quả lắc thứ nhì và tạo ra hình ảnh giống hệt có màu nâu khi dòng điện ngang qua từ quả lắc tới giấy.

10 tháng 4 2018

ít vậy

15 tháng 4 2017

viết lại câu sao cho nghĩa ko đổi

1. Mr Nam repaired the computer

-> The computer was repaired by Mr Nam.

2. My grandfather grows a lot of flowers

-> A lot of flowers are grown by my grandfather.

3. The facsimile was invented by Alexander Bain in 1843

-> Alexander Bain invented the facsimile in 1843.

15 tháng 4 2017

1,The computer was repaired by Mr Nam.

2, A lot of flowers is grown by my grandfather.

3, Alexander Bain invented the facsimile in 1843.

25 tháng 4 2018

Viết lại câu sao cho nghĩa ko đổi:

1. The facsimile was invented by Alexander Bain in 1843.
--> Alexander Bain..... invented the facsimile in 1843.........

2. They built Angkor Wat long ago.
--> Angkor Wat..was built long ago..........

3. My father has worked in that school for ten years now.
--> My father started..working in that school ten years ago........

8 tháng 12 2018

Đáp án: A

Giải thích: câu bị động thời quá khứ was/ were + P2 + by + N

Dịch: Máy fax được phát minh bởi Alexander Bain.

III. Choose the word or phrase that best completes each unfinished sentence below.1.   The facsimile______by Alexander Bain in 1843.      A. is invented              B. was invented          C. invented                 D. has been invented2.   First, fry the onions_______add the potatoes.      A. than                     B. then                  C. after                D. before3.   He_______a prize in the competition last week.      A. win                    B. won                        C....
Đọc tiếp

III. Choose the word or phrase that best completes each unfinished sentence below.

1.   The facsimile______by Alexander Bain in 1843.

      A. is invented              B. was invented          C. invented                 D. has been invented

2.   First, fry the onions_______add the potatoes.

      A. than                     B. then                  C. after                D. before

3.   He_______a prize in the competition last week.

      A. win                    B. won                        C. was won            D. has win

4.   Who______the company?

      A. goes                        B. walks                  C. jogs                 D. runs

5._______ is an instrument for making sounds louder.

      A. Loudspeaker          B. Recorder           C. Facsimile        D. Radio

6.   The doctor told me______more fresh fruit.

      A. eat                  B. to eat                      C. eating                      D. ate

7.   Can you repair my bike?

      A. adjust                     B. use                   C. fix                  D. A & B

8.   Coffee was known in Europe_______“Arabian wine”.

      A. as               B. like                     C. the same                 D. unlike

9.   The information______for future use.

      A. stores            B. stored              C. is stored            D. are stored

10. I saw a_______flying overhead.

      A. train               B. helicopter           C. conveyor belt          D. coach

11. This beautiful picture_______by Mary.

      A. is drawn            B. is drew               C. is draw             D. is drawing

12. Don’t touch the paint! - It’s still wet.

      A. put paint on something to change the color

      B. take something

      C. do a job with something

      D. put your hand or finger on something

13. I warned him________too close to the fire.

      A. didn’t go       B. not going           C. no going            D. not to go

14._______is a pen that has a very small ball at the end.

A. Bail-point pen        B. Fountain pen          C. Pencil             D. Crayon

15. Tobacco is taxed in most countries, along with alcohol.

      A. in the same way as something                    B. but not something

      C. for example                                                D. including

16. James picked up the_______and said “Hello!”

      A. vacuum            B. printer            C. telephone           D. fax machine

17. Children, please behave!

      A. do and say the right things

      B. do something

      C. do what somebody tells you to do

      D. move on your legs, but not run

18. We now toast bread______a toaster on the table.

      A. by                           B. with              C. from                        D. in

19. Which________shall I press to turn the radio on?

      A. plug               B. roll                     C. roller                       D. button

20. Don’t sit________the sun too long.

      A. in                      B. on                    C. over                D. among

0
11. The facsimile ……………. by Alexander Bain in 1843.            A. invented                 B. was invented          C. has been invented  D. has invented12. If I had my computer now, I ……………. for the answer on the Internet.            A. will search          B. would have searched        C. would search         D. would searched13. My younger sister confessed ……………. my diary.            A. to read                    B. reading                   C. to have read            D. to have reading14....
Đọc tiếp

11. The facsimile ……………. by Alexander Bain in 1843.

            A. invented                 B. was invented          C. has been invented  D. has invented

12. If I had my computer now, I ……………. for the answer on the Internet.

            A. will search          B. would have searched        C. would search         D. would searched

13. My younger sister confessed ……………. my diary.

            A. to read                    B. reading                   C. to have read            D. to have reading

14. If local people drink this untreated water, they …………… have cholera.

            A. will probably          B. probably will          C. would probably      D. probably would

15. Do you agree that playing computer games might make players think …………….?

            A. critic           B. critical         C. critically                  D. criticism

2
15 tháng 5 2022

11. The facsimile ……………. by Alexander Bain in 1843.

            A. invented                 B. was invented          C. has been invented  D. has invented

12. If I had my computer now, I ……………. for the answer on the Internet.

            A. will search          B. would have searched        C. would search         D. would searched

13. My younger sister confessed ……………. my diary.

            A. to read                    B. reading                   C. to have read            D. to have reading

14. If local people drink this untreated water, they …………… have cholera.

            A. will probably          B. probably will          C. would probably      D. probably would

15. Do you agree that playing computer games might make players think …………….?

            A. critic           B. critical         C. critically                  D. criticism

 

III. Choose the best option marked A, B, C or D to complete each sentence1. The facsimile________by Alexander Bain in 1843.A. is invented                 B. was invented    C. invented           D. has been invented2. The doctor told me              more fresh fruit.A. eat                                       B. to eat                C. eating               D. ate3. Can you repair my bike?A. adjust                        B. use                            C. fix                    D. A & B4. If...
Đọc tiếp

III. Choose the best option marked A, B, C or D to complete each sentence

1. The facsimile________by Alexander Bain in 1843.

A. is invented                 B. was invented    C. invented           D. has been invented

2. The doctor told me              more fresh fruit.

A. eat                                       B. to eat                C. eating               D. ate

3. Can you repair my bike?

A. adjust                        B. use                            C. fix                    D. A & B

4. If I had enough money, I_________abroad to improve my English.

A. will go                       B. would go                    C. went                 D. should have go to

5. I warned him               too close to the fire.

A. didn't go                    B. not going                   C. no going           D. not to go

6. You _________ brush your teeth twice a day.

A. should                       B. can                            C. will                   D. have

7. Tim is a good student. He did very well in the first semester. His mother is ______ him.

A. sorry for                    B. sad                            C. proud of           D. displeased

8. The new hotel _______ next year.

A. is opened                            B. will be opened C. is opening        D. opens

9. Would you mind .________ on the light?

A. turn                           B. to turn              C. turned              D. turning

10. Did the children enjoy __________ when they were on holiday?

A. themselves                 B. themself           C. himself             D. itself

1
15 tháng 3 2022

III. Choose the best option marked A, B, C or D to complete each sentence

1. The facsimile________by Alexander Bain in 1843.

A. is invented                 B. was invented    C. invented           D. has been invented

2. The doctor told me              more fresh fruit.

A. eat                                       B. to eat                C. eating               D. ate

3. Can you repair my bike?

A. adjust                        B. use                            C. fix                    D. A & B

4. If I had enough money, I_________abroad to improve my English.

A. will go                       B. would go                    C. went                 D. should have go to

5. I warned him               too close to the fire.

A. didn't go                    B. not going                   C. no going           D. not to go

6. You _________ brush your teeth twice a day.

A. should                       B. can                            C. will                   D. have

7. Tim is a good student. He did very well in the first semester. His mother is ______ him.

A. sorry for                    B. sad                            C. proud of           D. displeased

8. The new hotel _______ next year.

A. is opened                            B. will be opened C. is opening        D. opens

9. Would you mind .________ on the light?

A. turn                           B. to turn              C. turned              D. turning

10. Did the children enjoy __________ when they were on holiday?

A. themselves                 B. themself           C. himself             D. itself

III. Choose the word or phrase that best completes each unfinished sentence below.1. The facsimile by Alexander Bain in 1843.A. is invented B. was invented C. invented D. has been invented2. First, fry the onions add the potatoes.A. than B. then C. after D. before3. He a prize in the competition last week.A. win B. won C. was won D. has win4. Who the company?A. goes B. walks C. jogs D. runs5. is aninstrument for making sounds louder.A. Loudspeaker B. Recorder C. Facsimile D. Radio6. The doctor...
Đọc tiếp

III. Choose the word or phrase that best completes each unfinished sentence below.

1. The facsimile by Alexander Bain in 1843.

A. is invented B. was invented C. invented D. has been invented

2. First, fry the onions add the potatoes.

A. than B. then C. after D. before

3. He a prize in the competition last week.

A. win B. won C. was won D. has win

4. Who the company?

A. goes B. walks C. jogs D. runs

5. is aninstrument for making sounds louder.

A. Loudspeaker B. Recorder C. Facsimile D. Radio

6. The doctor toldme more fresh fruit.

A. eat B. to eat C. eating D. ate

7. Can you repair my bike?

A. adjust B. use C. fix D. A & B

8. Coffee was known in Europe “Arabian wine”.

A. as B. like C. the same D. unlike

9. The information for future use.

A. stores B. stored C. is stored D. are stored

10. I saw a flying overhead.

A. train B. helicopter C. conveyor belt D. coach

11. This beautiful picture by Mary.

A. is drawn B. is drew C. is draw D. is drawing

12. Don’t touch the paint! - It’s still wet.

A.put paint on something to change the color

B.take something

C.do a job with something

D.put your hand or finger on something

13. I warned him too close to the fire.

A. didn’t go B. not going C. no going D. not to go

14. is a pen that has a very small ball at the end.

A. Bail-point pen B. Fountain pen C. Pencil D. Crayon

15. Tobacco is taxed in most countries, along with alcohol.

A. in the same way as something B. but not something

C. for example D. including

16. James picked up the and said “Hello!”

A. vacuum B. printer C. telephone D. fax machine

17. Children, please behave!

A.do and say the right things

B.do something

C.do what somebody tells you to do

D.move on your legs, but not run

18. We now toast bread a toaster on the table.

A. by B. with C. from D. in

19. Which shall I press to turn the radio on?

A. plug B. roll C. roller D. button

20. Don’t sit the sun too long.

A. in B. on C. over D. among

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19 tháng 8 2023

11 The facsimile was invented by Alexander Bain in 1843.

12 The beans are dried in the sun.

13 Any payment can be made at any post office.

14 How is English learned by people?

15 A new supermarket is going to be built next year.

16 Where were these photographs taken by you?

17 The murder suspect is being questioned by the policeman now.

18 The instructions will be translated into French by me.

19 Has the meeting been postponed by the council?

20 Why is English learned all over the world by people?

19 tháng 8 2023

11 The facsimile was invented by Alexander Bain in 1843.
12 The beans are dried in the sun.
13 Any payment can be made at any post office
14 How is English learned?
15 A new supermarket is going to be built next year.
16 Where are these photographs taken?
17 A murder suspect is being questioned by the policemen now.
18 The instructions will be translated into French.
 19 Has the meeting been postponed by the council?
20 Why is English learned all over the world?