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提问人：网友CXX1981 发布时间：2022-01-07
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【A popular service that has attercted the interest...

【A popular service that has attercted the interest of companies and has home users alike is the sending of voice signals over an IP-based network, such as the Internet. The practice of making telephone calls over the internet has had a number of different names, including packet voice, voice over packet, voice over the internet, internet telephone, and Voice over Ip（Voip）. But it appears the industry has settled on the term”Voice ove IP” in reference to the internet protocol, which controls the transfer of data over the internet. There are currently three ways to deliver VoIp to users, the first technique is found at the corporate level. Many companies are offering VoIP systerms that operate over a local area network. These systems involve a fair amount of equipment, such as VoIP servers, special IP-enabled telephones, and routers that can direct telephone calls. Today a large portion of corporate sites have converted their older internal telephone systems to VoIP systems that opreate over a LAN, thus converging two systems into one. A second common solution is the one often encountered at home. Using existing telephones, a special converter is added between the telephone and a high speed internet（DSL or cable modem）connection. The converter digitizes the voice signal and creates a stream of packets that are then sent over an ip connection.The third technique involves smart cell phones. Never cell technologies are all packet-based, thus requiring a telephone call to be converted to digital packets and sending those packets over IP networks.】

From the paragraph above，a popular service that has attracetd the interest of companies and home users,is termed as （） . The data transfer over the Internet is controlled by the （） . At corporate level, many companies have replaced their older internal telephone systerms with （） that oprerate over a local area network.

A、voice over the internet B、voice over packet C、Voice over IP D、internet telephony A、packet B、internet protocol C、industry D、VoIp servers A、VoIP systems B、IP-enablde telephones C、VoIP servers D、routers

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更多“【A popular service that has attercted the interest...”相关的问题
第1题
听力原文：Fast-food restaurants are very popular in the United States. They are popular bec

听力原文： Fast-food restaurants are very popular in the United States. They are popular because the service is fast and prices are low. Of all the fast-food restaurants, McDonald's is probably the most famous and the most popular.

McDonald's is popular for several reasons. Customers can get the same food at any McDonald's in any state or country. The employees are helpful and polite, and the table and floors are clean. Ray Kroc, the past president of McDonald's, believed that helpful employees, a clean restaurant, and good food were necessary.

And McDonald's customers do like the food. They like the sandwiches, the milk shakes, and the French fries. Of all the items on McDonald's menu, the French fires are probably the most popular. They are good because of their special preparation.

People go to McDonald's because of the food, the fast service and the low prices. They say McDonald's is their favorite place to eat in the whole world. They won't move to any town that doesn't have one.

(33)

A．Because the food can be quickly consumed.

B．Because the food is most famous.

C．Because of timely service and low prices.

D．Because McDonald's is in the United States.

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第2题
听力原文：W: I'm having a lot of trouble with logic and it seems my professor can't explain
it in a way that makes sense to me.

M: You know, there is a tutoring service on campus. I was about to drop statistics before they helped me out.

Q: What does the man mean？

(17)

A．He has difficulty mailing sense of logic.

B．Statistics and logic are both challenging subjects.

C．The woman should seek help from the tutoring service.

D．Tutoring services are very popular with students.

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第3题
根据文章内容进行判断，正确写“T”错误写“F” International Transport Transport plays an important part in international business because goods produced have to be

根据文章内容进行判断，正确写“T”错误写“F”

International Transport

Transport plays an important part in international business because goods produced have to be delivered to the buyers abroad, and the delivery of goods is to be made possible by transport services. Goods are carried by several means of transport-on road or rail, by sea or air. And in recent years, combined transport which is a road-sea-rail carriage appeared.

With the expansion of international trade, the container service has become popular. The use of containers provides a highly effective form. of transport by road, rail and sea. Basically, about 98% of world trade is carried out by sea· transport. Besides transport by sea, road, or rail, nowadays in order to speed up delivery, carriage by air has also become popular.

()26. Transport plays an important part in international business because goods produced have to be sent to everywhere in the world.

()27. In recent years, combined transport which is a road-sea-rail carriage appeared.

()28. With the expansion of international trade, the combined transport service has become popular.

()29. The use of containers gives a very helpful method of transport.

()30. Today carriage by air has become popular because it can speed up delivery.

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第4题
Cars are【21】important part of life in the United States. Without a car most people feel th
at they are poor. And even if a person is poor he doesn't feel really poor when he has a car.

Henry Ford was the man who first started making cars in large【22】He probably didn't know how much the car was going to【23】American culture. The car made the United States a nation on wheels. And it helped make the United States what it is today.

There are three main reasons the car【24】so popular in the United States. First of all, the country is a huge one and Americans like to move around in it. The car provides【25】comfortable and cheapest form. of all the means of transportation. With a car people can go to any place without spending a lot of money.

The second reason cars are popular is the fact that the United States has never really【26】an efficient and inexpensive form. of public transportation. Long-distance trains have never been as common in the United States as they are in other parts of the world. Nowadays there is a good system of air service【27】by planes. But it is too expensive to be used frequently.

The third reason is the most important one, though. The American spirit of independence is【28】really made cars popular. Americans don't like to wait for a bus, or a train or even a plane. They don't like to have to【29】an exact schedule. A car gives them the freedom to schedule their own time. And this is【30】that Americans want most to have.

(61)

A．the

B．an

C．a

D．not

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第5题
听力原文：When was the last time that you were able to make a long-distance call for free？

听力原文： When was the last time that you were able to make a long-distance call for free？ If you said "never", you probably have not been introduced to VOIP or Voice Over Internet Protocol. But, is this new technology as efficient as its counterpart, analog telephone service？ Since the demand for world-wide communication has grown, the internet has become the most popular way of communicating. Although Communication via e-mail seemed to be the cheapest way to do business with those overseas, it wasn't always the most effective. Verbal communication is the best way to build strong relationships and eventually," close the deal". When compared to analog phone service, VOIP is cheaper and has the same quality of service. Since VOIP uses a single network to transfer voice and data, the overall cost per call is cheaper to the service prodder than using two separate networks. When voice and data are transferred together on a single network, the service providers only need to build and maintain one network, thus hire less staff. These companies have also learned to manage both voice traffic and data applications correctly to reduce any sacrifice in quality. Although there is a monthly charge for the service, VOIP phones cost about the same as a regular business phone. With all of its benefits, VOIP should take the place of analog telephone service within a few years.

What does VOIP refer to？

A．An Internet forum.

B．A technology of telephone service.

C．Communication via e-mail.

D．An Internet conference.

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第6题
Which of the following statements is INCORRECT？A．Cellphone service is popular among people

Which of the following statements is INCORRECT？

A．Cellphone service is popular among people.

B．Cellphone has much use in office.

C．Fake foning is a new cellphone service.

D．Pake foning is a new discovery.

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第7题
听力原文：When was the last time that you were able to make a long-distance call for free？

听力原文： When was the last time that you were able to make a long-distance call for free？ If you said "never", you probably have not been introduced to VOIP or Voice Over Internet Protocol. But, is this new technology as efficient as its counterpart, analog telephone service？ Since the demand for world-wide communication has grown, the internet has become the most popular way of communicating. Although Communication via e-mail seemed to be the cheapest way to do business with those overseas, it wasn't always the most effective. Verbal communication is the best way to build strong relationships and eventually," close the deal". When compared to analog phone service, VOIP is cheaper and has the same quality of service. Since VOIP uses a single network to transfer voice and data, the overall cost per call is cheaper to the service prodder than using two separate networks. When voice and data are transferred together on a single network, the service providers only need to build and maintain one network, thus hire less staff. These companies have also learned to manage both voice traffic and data applications correctly to reduce any sacrifice in quality. Although there is a monthly charge for the service, VOIP phones cost about the same as a regular business phone. With all of its benefits, VOIP should take the place of analog telephone service within a few years.

What is the passage mainly about？

A．The fashion of women's shoes.

B．The fashion of women's dresses.

C．The fashion of shoe heels.

D．The fashion of women's boots.

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第8题
Which consultancy service is the most popular？A．language trainingB．travel insuranceC．busin

Which consultancy service is the most popular？

A．language training

B．travel insurance

C．business entertaining

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第9题
Over 2 million customers ______ to Gecko Vision, a popular cable television service based
in Lahore.

A．subscribe

B．relate

C．limit

D．apply

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第10题
As been popular in young people’s daily life, the social network service have influenced not only the ways we are socializing but also the culture and the tradition of the country.
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第11题
Questions 16-22 ？Read the advertisement below for a hot drinks machine. ？Are sentences 16-

Questions 16-22

？Read the advertisement below for a hot drinks machine.

？Are sentences 16-22 "Right" or "Wrong"？ If there is not enough information to answer "Right" or "Wrong", choose "Doesn't Say" .

？For each sentence (16-22), mark one letter (A, B or C).

ADVERTISING FEATURE

Save Money and Keep Your Staff Happy

It can be expensive to keep the canteen open to serve drinks to your staff through the day. Our QVM hot drinks machine replaces this service, so that you can close the canteen between mealtimes.

You can install the QVM hot drinks machine anywhere in the building." One machine is suitable for a staff of ten to fifteen people. It costs ￡ 1300 to buy, or ￡ 11 per week to rent over 60 months. It is not expensive to operate, for example, the cost of power for one day is 30p, nearly as cheap as the price of one hot drink from the machine.

Our company will carry out a weekly service, at a charge of ￡ 10. We can also refill the machine with drinks ingredients for an extra charge of ￡ 8. Some customers prefer to do this themselves, however.

There are eight choices of hot drink available from the QVM machine, and our company offers one month's trial free of charge, so that you can estimate how popular the machine will be and, see what the actual savings are.

With a QVM machine, companies can avoid having a canteen altogether.

A．Right

B．Wrong

C．Doesn't say

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