1. Who does this watch belong to ? $\Rightarrow$ Whoes ....................................... ? 2. A personal computer can store a lot of information. $\Rightarrow$ A personal computer is .......

BK

Bảo Khánh

15 tháng 2 2019

1. Who does this watch belong to ? $\Rightarrow$ Whoes ....................................... ? 2. A personal computer can store a lot of information. $\Rightarrow$ A personal computer is ........................................... 3. We used to go to the seaside every summer. $\Rightarrow$ We don't ..................................................... $\Rightarrow$ We no ......................................................... 4. He spent two hours repainting the...

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#Tiếng anh lớp 6

2

DV

Đời về cơ bản là buồn... cười!!!

15 tháng 2 2019

1. Who does this watch belong to ?

$\Rightarrow$ Whoes watch is this ?

2. A personal computer can store a lot of information.

$\Rightarrow$ A personal computer is a large source of information

3. We used to go to the seaside every summer.

$\Rightarrow$ We don't go to the seaside in the summer any more.

$\Rightarrow$ We no longer go to the seaside in the summer.

4. He spent two hours repainting the door.

$\Rightarrow$ It took him two hours to repaint the door.

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LT

Last Tomb

17 tháng 2 2019

1.Whoes watch is this ?

2.A personal computer is a large source of information

3.We don't go to the seaside in the summer any more. / We no longer go to the seaside in the summer.

4.It took him two hours to repaint the door.

STUDY WELL!

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LT

lương thị hằng

20 tháng 1 2017

viet cau sau nghia khong soi 1, can he take care of himself when his mother is away?$\rightarrow$can he look............. 2, ba runs fater than hai does $\rightarrow$hai doesnot............................... 3, he is a good soccer player $\rightarrow$he plays .................. 4, do you know lan is working place?$\rightarrow$where.................. 5, what is the meaning of '' report''?what does ................. 6, my school is bigger than your school $\rightarrow$your school...

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#Tiếng anh lớp 7

1

PT

Phan Thanh Tịnh

20 tháng 1 2017

1.Can he look after himself when his mother is away ?

2.Hai does not run as fast as Ba.

3.He plays soccer well.

4.Where does Lan work ?

5.What does "report" mean ?

6.Your school is not as big as mine.

7.Is this the cheapest computer you have ?

8.Who does this house belong to ?

9.It is difficult to learn math.

10.No house on the street is older than mine.

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NN

Nguyễn Ngọc Ánh

1 tháng 4 2018

Trả lời True hoặc False: Computer is a calculating machine which speeds up calculations: it can add, subtract, multiply, and divide with lightning speed and perfect accuracy. It is a personal communicator which helps you to interact with other comperturs and with people around the world. And if you like entertainment, you can relax with computer games or computer CD music. 1. A computer is a calclator...................... 2. Computer can measure the speech of...

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#Tiếng anh lớp 9

2

VT

Vũ Thị Phương

1 tháng 4 2018

Trả lời True hoặc False:

Computer is a calculating machine which speeds up calculations: it can add, subtract, multiply, and divide with lightning speed and perfect accuracy. It is a personal communicator which helps you to interact with other comperturs and with people around the world. And if you like entertainment, you can relax with computer games or computer CD music.

1. A computer is a calclator..........T............

2. Computer can measure the speech of lightning.......F.............

3. Computer is an effective means of communication....T......

4. Computer is a place of entertainment............T............

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NQ

Nguyễn Quang Hải

1 tháng 4 2018

Trả lời True hoặc False:

Computer is a calculating machine which speeds up calculations: it can add, subtract, multiply, and divide with lightning speed and perfect accuracy. It is a personal communicator which helps you to interact with other comperturs and with people around the world. And if you like entertainment, you can relax with computer games or computer CD music.

1. A computer is a calclator............T..........

2. Computer can measure the speech of lightning........F............

3. Computer is an effective means of communication.........F............

4. Computer is a place of entertainment...............T.........

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BT

Bùi Thị Phương Anh

22 tháng 4 2019

Rewrite the following sentences , keeping their meaning unchanged : 1. These programmes usually have a lot of information. $\rightarrow$ There is ........................................................................... 2. Even though he trained hard , he wasn`t able to berak the record . $\rightarrow$ He trained hard but .......................................................... 3. It is two years since she went back to her home village . $\rightarrow$ She hasn`t...

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#Tiếng anh thí điểm lớp 7

1

VN

Vũ Như Quỳnh

22 tháng 4 2019

Rewrite the following sentences , keeping their meaning unchanged :

1. These programmes usually have a lot of information.

$\to\to$ There is a lot of information in these programmes

2. Even though he trained hard , he wasn`t able to berak the record .

$\to\to$ He trained hard but he wasn`t able to berak the record .

3. It is two years since she went back to her home village .

$\to\to$ She hasn`t gone back to her home village for two years

4. It is necessary to buy skiing equipment if you want take lessons .

$\to\to$ You have to buy skiing equipment if you want take lessons .

5. He couldn`t find a cheaper computer .

$\to\to$ That was the cheapest computer he had

#Yumi

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NT

Nguyễn Thị Thu Hằng

10 tháng 2 2019

1, The furniture was too old to keep $\rightarrow$ It is ............................................ 2, Gary is the best guitarist in her class $\rightarrow$ No one else .................................. 3, Since the invention of computer ,people have saved a lot of time $\rightarrow$ Since the computer was ............................. 4, It's necessary for everybody to clean up their neighborhood once a week $\rightarrow$ Everybody...

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#Tiếng anh lớp 9

1

P

Petrichor

10 tháng 2 2019

1, The furniture was too old to keep

$\to\to$ It was such old furniture that I couldn't keep it ............................................

2, Gary is the best guitarist in her class

$\to\to$ No one else .....in Gary's class plays the guitar better than her. .............................

3, Since the invention of computer ,people have saved a lot of time

$\to\to$ Since the computer was .....invented, people have saved a lot of time........................

4, It's necessary for everybody to clean up their neighborhood once a week

$\to\to$ Everybody ......needs to clean up their neighborhood once a week..............................................

5, It may rain hard this afternoon , so take the raincoat with you

$\to\to$ In case .....rain hard this afternoon, take the raincoat with you................................................

6, She had to do the washing up but she didn't

$\to\to$ She forgot ....doing the washing up. ...................................................

7, English is easy to learn

$\to\to$ It .......is easy to learn English................................................................

8, Don't leave the lights on all night ,you will waste electricity

$\to\to$ If ..you leave the lights all night, you will waste electricity. ......................................................................

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DM

Dương Minh

9 tháng 4 2017

Read the following passage carefully, and then select the best option A, B, C or D to complete itWorld Wide Web (WWW), computer-based (1) _______ of information resources that combines text and multimedia. The information on the World Wide Web can be accessed and searched through the (2) _______, a global computer network. The World Wide Web is often (3) _______ to simply as “the Web.”The Web started to become a (4) _______ resource after 1993 when the first widely distributed browser...

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#Tiếng anh lớp 10

1

NH

Nguyen Hoang Hai

9 tháng 4 2017

Đáp án: C

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DM

Dương Minh

26 tháng 6 2018

Read the following passage carefully, and then select the best option A, B, C or D to complete itWorld Wide Web (WWW), computer-based (1) _______ of information resources that combines text and multimedia. The information on the World Wide Web can be accessed and searched through the (2) _______, a global computer network. The World Wide Web is often (3) _______ to simply as “the Web.”The Web started to become a (4) _______ resource after 1993 when the first widely distributed browser...

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#Tiếng anh lớp 10

1

NH

Nguyen Hoang Hai

26 tháng 6 2018

Đáp án: D

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LQ

Lê Quỳnh Anh

11 tháng 5 2018

Read the following passage and mark the letter A, B, C, or D to indicate the answer to each of the question. As computer use becomes more common, the need for security is more important than ever. One of the greatest security threats in the online world is computer hacking. Computer hacking is the unauthorized access to a computer or network of computers. Hackers are people who illegally enter systems. They may alter or delete information, steal private information, or spread viruses that can...

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Read the following passage and mark the letter A, B, C, or D to indicate the answer to each of the question.

As computer use becomes more common, the need for security is more important than ever. One of the greatest security threats in the online world is computer hacking. Computer hacking is the unauthorized access to a computer or network of computers. Hackers are people who illegally enter systems. They may alter or delete information, steal private information, or spread viruses that can damage or destroy files. But how exactly can a hacker get into a system to do these things?

Most hackers use information called protocols that are built into computer software. These protocols allow computers to interact with one another. Protocols are sort of like computer police officers. When a computer connects to another system, the protocols check to see if the access is valid. The protocols can also determine how much information can be shared between the two systems. Hackers can manipulate the protocols to get unlimited access to a computer system.

In fact, just the act of entering a computer network is considered hacking. This is commonly called passive hacking. Passive hackers get a rush from just being able to access a challenging system like a bank or military network. Another kind of hacker tries to do damage to a system. After hacking into systems, these hackers release viruses or alter, delete, or take information. Known as active hackers, they are, by far, the more dangerous of the two.

The easiest way to protect a system is with a good password, Long and unusual passwords are harder for hackers to guess. For even greater security, some online services now use “password-plus” systems. In this case, users first put in a password and then put in a second code that changes after the user accesses the site. Users either have special cards or devices that show them the new code to use the next time. Even if a hacker steals the password, they won't have the code. Or if the hacker somehow gets the code, they still don't know the password.

What does the phrase "the two" in paragraph 3 refer to _______?

A. a bank and military network

B. passive and active hackers

C. hackers and viruses

D. systems and viruses

#Mẫu giáo

1

DH

Dương Hoàn Anh

11 tháng 5 2018

Đáp án B

Cụm từ “the two” trong đoạn 3 đề cập đến từ nào?

A. một hệ thống của ngân hàng và quân đội

B. tin tặc chủ động và thụ động

C. tin tặc và các loại virus

D. hệ thống và virus

Căn cứ vào thông tin đoạn 2:

“The two” là cụm từ được nhắc đến để thay thế cho 2 loại tin tặc: chủ động và thụ động trong đoạn văn.

“In fact, just the act of entering a computer network is considered hacking. This is commonly called passive hacking. Passive hackers get a rush from just being able to access a challenging system like a bank or military network Another kind of hacker tries to do damage to a system. After hacking into systems, these hackers release Viruses or alter, delete, or take information. Known as active hackers, they are, by far, the more dangerous of the two."

(Trên thực tế, chỉ cần hành động xâm nhập vào 1 hệ thống máy tính đã bị coi là đột nhập bất hợp pháp. Loại này thường được gọi là xâm nhập thụ động. Tin tặc thụ động tạo ra 1 cơn sốt khi có thể truy cập vào 1 mạng lưới quan trọng như ngân hàng hay quân đội. Một loại tin tặc khác cố gắng gây thiệt hại cho hệ thống máy tính mà họ xâm nhập. Sau khi truy cập vào hệ thống, những tin tặc này tạo ra virus hoặc thay đổi, xóa hay lấy trộm thông tin. Chúng được biết đến như là tin tặc chủ động và rõ ràng chúng là loại nguy hiểm hơn trong 2 loại tin tặc).

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DM

Dương Minh

4 tháng 6 2018

Read the following passage carefully, and then select the best option A, B, C or D to complete itWorld Wide Web (WWW), computer-based (1) _______ of information resources that combines text and multimedia. The information on the World Wide Web can be accessed and searched through the (2) _______, a global computer network. The World Wide Web is often (3) _______ to simply as “the Web.”The Web started to become a (4) _______ resource after 1993 when the first widely distributed browser...

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