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Today computers come ____(1)___ all shapes and sizes.There were still big computers for companies or universities. There are other special computers for factories. These large computers tell the fatory machines ___(2)___ to do. But there are also small ___(3)___ computers to use at home or in an office. There are even computers in telephones, television ___(4)___, and cars. These computers have to be small. They are so small that you cannot ___(5)___ see all their parts. Computers are very...
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Today computers come ____(1)___ all shapes and sizes.There were still big computers for companies or universities. There are other special computers for factories. These large computers tell the fatory machines ___(2)___ to do. But there are also small ___(3)___ computers to use at home or in an office. There are even computers in telephones, television ___(4)___, and cars. These computers have to be small. They are so small that you cannot ___(5)___ see all their parts.
Computers are very useful, but they also can ____(6)___ problems. One kind of problems is with the computer's memory. It is not perfect so sometimes computers ___(7)___ important information. Another problem is with the machinery. Computers are machines, and machines can break down. When the computers break down, they may ___(8)___ information, ___(9)___ chalk on a blackboard. Or they may stop doing anything at all. And there is ___(10)____ different kind of problem with computers. Some doctors say they may be bad for your health. They say you should not work with computers all day.
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28 tháng 3 2017
Today computers come in all shapes and sizes.There were still big computers for companies or universities. There are other special computers for factories. These large computers tell the fatory machines what to do. But there are also small personal computers to use at home or in an office. There are even computers in telephones, television sets , and cars. These computers have to be small. They are so small that you cannot even see all their parts.
Computers are very useful, but they also can cause problems. One kind of problems is with the computer's memory. It is not perfect so sometimes computers lose important information. Another problem is with the machinery. Computers are machines, and machines can break down. When the computers break down, they may erase information, like chalk on a blackboard. Or they may stop doing anything at all. And there is another different kind of problem with computers. Some doctors say they may be bad for your health. They say you should not work with computers all day.
Choose the best answer in each sentence below by circling it. 1. You are late. If you …… a few minutes earlier, you …… him.       A. came / would meet        B. had come / would have met          C. come / will meet            D. had come / would meet2. “Can I borrow your car for this evening?”“Sure, but Nora’s using it right now. If she …… it back in time, you’re welcome to borrow it.”     A. brings                B....
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Choose the best answer in each sentence below by circling it.

1. You are late. If you …… a few minutes earlier, you …… him. 

     A. came / would meet        B. had come / would have met    

     C. come / will meet            D. had come / would meet

2. “Can I borrow your car for this evening?”

“Sure, but Nora’s using it right now. If she …… it back in time, you’re welcome to borrow it.”

     A. brings                B. would bring                 C. will bring                       D. brought

3. We’re going to lose this game …… the team doesn’t start playing better soon.

A. if                             B. unless                      C. although                 D. whereas

4. If I …… somebody else, I’d like to be a film star.  

     A. could be                             B. would be           C. become       D. must be

5. If he had told me the truth, I …… him.     

     A. would have not punished                      B. would not have punished

     C. would not punish                                  D. will not punish

6. If they had not given me advice, I …… again.   

     A. would have failed                     B. would fail         C. would have been failed                        D. wouldn’t fail

7. …… immediately, I will call a policeman.

     A. Unless you leave           B. If you leave             C. If you didn’t leave                        D. Unless you left      

8. Bill …… more photographs if he …… more film.  

     A. would have taken / had had                  B. would have taken / had

     C. would take / has had                             D. would take / had had        

9. If there …… no floods last year, the crop …… better. 

     A. had been / would have been     B. were / would be  

     C. had / would have been               D. was / would have been

10. Had you told me that this was going to happen, I …… it.   

     A. would never have believed         B. don’t believe

    C. hadn’t believed                            D. can’t believe

11. If someone …… into the store, smile and say, “May I help you?”

     A. comes                B. came                       C. come                       D. could come

12. If I had a chance to do creative work, I …… happy working in an office.

     A. would be                       B. will be                     C. would have             D. will feel

13. If they …… soon, I’m not going to wait.  

     A. don’t come        B. won’t come                   C. hadn’t come        D. didn’t come

14. If I …… hungry, I …… something. But I am not hungry now.  

     A were / would eat                         B. had been / would have eaten        

     C. had been / would eat      D. were / would have eaten

15. You won’t pass the examination …… you study more.    

     A. unless         B. as           C. if                 D. whether

16. I’m playing tennis tomorrow …… it’s raining.    

     A. unless              B. if                   C. as long as    D. provided

17. Tell him to ring me if you …… him.   

     A. see                     B. saw             C. have seen                D. had seen

18. Unless she ……, she’ll be late.    

     A. hurries               B. didn’t hurry                        C. hurried                    D. doesn’t hurry

19. Would George be angry if I …… his bicycle without asking?  

     A. took      B. take             C. had taken    D. would take

20. I …… you a postcard while I was on holiday if I …… your address.

A. would have sent / had had       B. would have sent / had      

C. would send / had                      D. would send / had had

21.  …… still my friend if I were put in prison?  

     A. Would you be            B. Will you be           C. Would you        D. Would you are

22.  If anybody …… any question, please ask me after class.  

     A. has         B. have                C. don’t have                      D. doesn’t have

23.  If I weren’t working for an accounting firm, I …… in a bank.

A. would be working        B. will work         C. have worked         D. work

24. He said, “…… watch TV all the evening if you wish.”  

     A. You may           B. You have to              C. You need to             D. You should

25. If he ……, please tell me.    

     A. comes                B. won’t come                        C. will come                D. come

2
14 tháng 8 2021

Theo em nghĩ thì là C vì You thì ko thể dùng had đc.

14 tháng 8 2021

sao nhiều thế. Ai mà trả lời nổi

3 tháng 10 2021

1 clean 
2 are going

Read the passage below and choose the best answer (A, B, C or D) to each question.The nuclear family, consisting of a mother, father, and their children f may be more an American ideal than an American reality. Of course, the so-called traditional American family was always more varied than we had been led to believe, reflecting the very different racial, ethnic, class, and religious customs among different American groups.The most recent government statistics reveal that only about one third...
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Read the passage below and choose the best answer (A, B, C or D) to each question.

The nuclear family, consisting of a mother, father, and their children f may be more an American ideal than an American reality. Of course, the so-called traditional American family was always more varied than we had been led to believe, reflecting the very different racial, ethnic, class, and religious customs among different American groups.

The most recent government statistics reveal that only about one third of all current American families fit the traditional mold and another third consists of married couples who either have no children or have none still living at home. Of the final one third, about 20 percent of the total number of American households are single people, usually women over sixty-five years of age. A small percentage, about 3 percent of the total, consists of unmarried people who choose to live together; and the rest, about 7 percent, are single, usually divorced parents, with at least one child.

1.   With what topic is the passage mainly concerned?

A. The traditional American family.

B.  The nuclear family.

C.  The ideal family.

D. The current American family

2.   The author implies that...................

A. there has always been a wide variety of family arrangements in the United States

B. racial, ethnic, and religious groups have preserved the traditional family structure

C. the ideal American family is the best structure  

D. fewer married couples are having children

3.  Who generally constitutes a one-person household?

A. A single in his twenties.

B. A single woman in her late sixties.

C. An elderly man.

D. A divorced woman,

4.  According to the passage, married couples whose children have grown or who have no children represent...................

A. 7 percent of households

B. 20 percent of households

C. 33, 3 percent of households

D. 3 percent of households

5.  The word "current" in line 7 is closest in meaning to...................

A. present                                     B. contemporary

C. now                                          D. modern

4
2 tháng 10 2021

1.A

2.D

3.B

4.D

5.A

2 tháng 10 2021

Hello

Yesterday, we (arrange) (meet) the scientist here.                        I hate (practise) (read) aloud without (learn) the new words. practise                     My friend (give) up (smoke) since he got married. _________________My form teacher (ofen, not, allow) us (smoke) in the laboratory. 1.                        John always (avoid) (speak) to the teacher about it. _________________2.                        Davis...
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Yesterday, we (arrange) (meet) the scientist here. 

                       I hate (practise) (read) aloud without (learn) the new words. practise

                     My friend (give) up (smoke) since he got married. _________________

My form teacher (ofen, not, allow) us (smoke) in the laboratory. 

1.                        John always (avoid) (speak) to the teacher about it. _________________

2.                        Davis (not finish) (write) the report before 9 last night. ______________

3.                        Most people (preper) (spend) money to (earn) it. ___________________

4.                        The children just (stop) (play) football because it is too dark. _________________________

5.                        Since the teacher (begin) (teach) this lesson, he hasn’t smiled. ________________________

6.                        I and my sister couldn’t study because of the noise, so I (have) (ask) the boys (stop) (argue). __________________________________________

7.                        Robert (give) up (play) football years ago. ________________________

8.                        Mr John (work) in the same place for 30 years and he (not, plan) (retire) now._______________________

9.                        If you want (pass) your exam, you’ll need (study) more.______________

10.                   After the girls (hear) the whole story, they (start) (laugh) joyfully. __________________________________

0
26 tháng 11 2023

Living in a smart city brings many benefits and disadvantages. In this article, I will present some pros and cons of living in a smart city.

The first advantage of living in a smart city is convenience. Information and communications technology is integrated into urban systems, helping to provide public services more effectively. For example, through mobile applications, people can easily search for information about transportation, destinations, and entertainment activities. Furthermore, the smart traffic system helps reduce congestion and save travel time.

Another advantage of smart cities is energy saving and environmental protection. Advanced technologies are applied to manage and use resources effectively. For example, automatic lighting and temperature regulation in buildings help save energy. In addition, the use of smart public transport and self-driving cars helps reduce polluting emissions.

However, living in a smart city also has disadvantages. One of them is the issue of information security. With the widespread use of information technology, the risk of personal information insecurity and privacy violations increases. This requires strong security measures to ensure the safety of people's personal data.

Another drawback of smart cities is their dependence on technology. If technology systems fail or are attacked, public services could be disrupted. This poses challenges for maintaining stability and ensuring security of smart cities.

In short, living in a smart city brings many benefits such as convenience and energy savings. However, it is also necessary to pay attention to information security issues and dependence on technology. To make the most of the advantages and minimize the disadvantages, smart investment and management from city managers is needed.

1 tháng 4 2022

Find the words that normally carry stress. 

1. It is important to inform your parents before going out anywhere.

2. What are the ways to fix the problems between parents and teenagers?

3. My parents don't let me get married until I graduate from university.

21 tháng 12 2016

1. I could hold a big party due to my Mom's help.
=> Had it not been for my Mom's help, I couldn't have held a big party
2. What you do with the money is of no interest to me.
=> I don't care what you will do with money
3. I feel uncomfortable to be in a room where everybody is shouting.
=>I can't stand being in a room where everyboby is shouting
4. The Picasso painting was so expensive that nobody could buy it.
=> So expensive was the Picasso painting that nobody could buy it.