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You send a photo to your friend face to face through your 4G mobile phone. He or she can receive it at once. But actually, the photo has to go to the base station first. The base station then sends it to your friend. When you use 5G, the photo will not go to a base station. It will go directly (直接地) to your friend's mobile phone. Your friend receives the photo much faster. This is D2D technology.

(1)You   when you use 4G.

A. can't send a photo to your friend

B. can send a photo to your friend directly

C. can't send a photo to your friend directly

(2)How is photo sent when you use 5G?  

A. phone→phone

B. phone→phone→base station

C. phone→base station→phone

(3)Which one is right about 5G?  

A. It is not convenient.

B. It is much faster.

C. It doesn't use D2D technology.

(4)What is the text mainly about?  

A. D2D technology.

B. 4G mobile phone.

C. 5G mobile phone.

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相关试题

There are many different languages in the world(1) .It is used by business people,airline pilots, and sea captains all over the world.(2) . So it is very important to learn English.

Chinese is also an important language.(3) .Today, not only people living in China but also people living outside China speak it.

From all the languages in the world, the UN(联合国) has chosen the following six of them as the official languages.(4)

Arabic is widely spoked in many parts of Asia and Africa(5) . English is mostly used all over the world. French is widely understood in Europe and in parts of Canada, Africa and Asia.Russian is spoken in both Europe and Asia.Spanish is used not only in Spain, but also in Central and South America.

A. It is also the first language of sport and science.

B. of all these languages, English is the most widely used.

C.It has the largest number of speakers.

D. Russian and Chinese are both very important for us to learn.

E. Chinese is widely used in Asia and other parts of the world.

F.They are Arabic, Chinese, English, French, Russian and Spanish.

G.People in Britain and Australia speak English.

Artificial intelligence(人工智能) or AI for short, is the science of giving computers and machines ability to think and work like humans. AI scientists and engineers have made a lot of cool technologies.

AI is rapidly catching up with the human ability to read faces.As a result, facial recognition( 识别) is used a lot in the world. Chinese police use this technology to check people' s information.

AI is also used in self﹣driving cars, which are believed to be the future of driving.

Most drivers may wave or nod at passers﹣by to let them cross the street, but self﹣driving cars don't have this ability. Car makers are testing a light signal system to help them "speak" to humans. The system can show what self﹣driving cars will do.

Service Robots also show you how powerful AI is. Imagine this ﹣ you come back home from school and your robot housekeeper is waiting for you at the door.After dinner, he teaches you to play the piano,just like a real music teacher. Such thoughts will soon happen in the real word. In the future, more and more service robots will become good home helpers.

AI is so powerful that it can help human beings and even replace us in many jobs.


(1)AI is the science of giving computers and machines ability to   like humans.

A.

think and work

B.

run and do

C.

make and decide

D.

play and drive

(2)According to the passage, facial recognition is used for   

A.

driving cars

B.

making people smile

C.

calling the police

D.

checking people 's information

(3)In the future, a self﹣driving car may communicate with humans by   

A.

waving to them

B.

speaking to them

C.

nodding at them

D.

a light signal system

(4)Which is the following is mentioned in the passage?   

A.

A robot housekeeper is waiting for you in the door.

B.

The robot will do your housework for you.

C.

The robot is going to teach you how to play games.

D.

The robot is ready to wash clothes for you.

(5)What is the main idea of the passage?   

A.

People use AI in many different ways.

B.

AI will take the place of human beings in many jobs.

C.

Self﹣driving cars will be able to talk like humans.

D.

Service robots will become good home helpers.

It was a fine day. People at the railway station were waiting for the train to arrive. The train was coming in. Everyone waited there to get into the train. A group of young man made loud noise to welcome the train. The empty seats were nicely filled and the train was ready to move. Just then, an old man with a little boy of 10 years old came running to catch the train.As soon as they caught the train,the train started to move. They had their seats just next to the young group.

The little boy was so surprised to see everything. "Dad, the train is moving and things are moving backwards out of the window!" he shouted at his father. A fruit seller went past selling apples. His father bought him some apples. "Oh, the apple looks much sweeter than it tastes" the little boy said."Is your son having any problems? Why is he so different?" one of the young men asked. Another yound man made fun of him, "His son is mad, I think!" He shouted,""My son was born blind. Only a few days ago, he had an operation. This is the first time for him to see things in his life." The father of the little boy replied with patience. The young group became very quiet and said sorry to the father and the son.

(1)What were the group of young men doing as the train was coming in?   

A.

They were waiting quietly for the rain.

B.

The were running into the train.

C.

They were making loud noise.

D.

They were watching something outside.

(2)Who came running to catch the train when it was ready to move?   

A.

An old man.

B.

The people.

C.

A young boy.

D.

An old man and his son.

(3)Why did the boy say, "The apple looks much sweeter that it tastes"?   

A.

The boy had some problems in his mind.

B.

The boy saw an apple for the first time.

C.

The boy was quite different.

D.

The boy was a little mad.

(4)The meaning of "with patience" in the second paragraph is   

A.

严肃的

B.

认真的

C.

耐心的

D.

生气的

(5)What can we learn from the story?   

A.

Think before you speak.

B.

Don't be proud of yourself.

C.

Don't make fun of others.

D.

Be quiet in public places.

Happy English Center

Courses: Developing listening & speaking skills

Time: Whole day classes on weekend

Price:3 months (700 yuan)

Place: 8﹣minute walk from the school

Tel: 88992023

Modern Language School

Courses: Developing reading & writing skills

Time: Sat.& Sun. from 2:00 p.m.~ 5:00 p.m.

Price: 3 months (1050 yuan)

Place: 12﹣minute from the school

Tel: 88992126

New Century English Training Center

Courses: Developing listening & speaking skills

Time: Evening classes on weekdays

Price: three months and a half (900 yuan)

Place: 10﹣minute walk from the school

Tel: 88993123

International House of English

Courses: Developing reading & writing skill

Time: 2:00 p.m.~5:00 p.m.on weekdays

Price: 3 months (600 yuan)

Place: 15﹣minute ride from the school

Tel: 88993231

(1)How far is it from Happy English Center to the school?   

A.

8﹣minute walk.

B.

10﹣minute walk.

C.

l2﹣minute walk.

D.

15﹣minute walk.

(2)Susan wants to have listening on weekdays, She can call   for further information;

A.

88992023

B.

88993123

C.

88992126

D.

88993231

(3)Mike wants to develop his reading skills on weekends, he should choose   

A.

Happy English Center

B.

International House of English

C.

Modern Language School

D.

New Century English Training Center

(4)If you want to develop writing sills on weekdays, you will pay   

A.

700 yuan

B.

900 yuan

C.

1050 yuan

D.

600 yuan

(5)Which will be the best title for the four ads?   

A.

The importance of leaning English

B.

How to improve listening skills

C.

Information about English Training

D.

How to improve reading skills

How would you feel if moving to a new town meant losing track of your friends? What if the only way of getting news from faraway friends was writing letters that took ages to be delivered(递送)? This was how things worked not very long ago. Thanks to advances in technology, how we make friends and communicate with them has changed greatly.

Nowadays, we can move around the world and still stay in touch with our friends.Social media tools (社交媒体工具) let us see what our friends are busy with and maintain friendships.

The digital(数字)age also enables us to find people who share our interests.Whatever our hobbies are,the Internet can connect us with others who also enjoy doing them, even if they live on the other side of the world.

But when you"friend" people online, does this mean that they really are your friends? It depends.

If people always exchange true personal information online, then yes, these friendships can be real and meaningful. But we need to remember that what we see on social media is often not the whole truth about a person. Sometimes smiling photos can hide real problems.On the Internet,nobody knows you're a dog. A young person could be old; a woman could be a man; we could even be sharing our information with criminals.

But this doesn't mean that we should throw the baby out with the bathwater. Although technology has changed the way we acquire (获得) friends, the meaning of friendship and our longing for friends remain the same. As Aristotle said, no one would choose to live without friends,even if he had all other goods.

(1)Ways of making friends and communicating with them have changed greatly because of   

(2)To stay in touch with our faraway friends, we can   

(3)Online friendships can be real and meaningful if people   with each other.

(4)The phrase "throw the baby out with the bathwater" means"   " in Chinese.

(5)This passage mainly talks about   of making friends online.

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