If you look at the top of your phone, you’ll usually see a little symbol that says 3G or 4G. The “G” stands for the “generation” of your mobile network. But these symbols will become things of the past after 5G nteworks fully arrive.
On March 30th, 2019, the first 5G video was made on a Huawei Mate X smart phone, CGTN reported. Shanghai has also become the first city in China to start testing 5G networks.
5G will be about 100 times faster than 4G networks. But 5G won’t just bring faster mobile internet. People can use it for many other things as well. For example, 5G will help to make self-driving cars safer. Today’s self-driving test cars have one problem—lag（延迟）. When the car “sees” an object, it sends this information to a data （数据） center and receives instructions.
However, it takes time to send and receive this information. With this kind of lag, the cars might hit something because they don’t receive instructions in time. With 5G, this lag will be greatly lowered, making the cars safer, according to CNN.
5G could also be used to power the Internet of Things（IOT，物联网）. This refers to a large online network that connects all things and people. Fast Internet speed will be the most important to develop this technology.
1. ”G” stands for _________.| A．good | B．girl | C．generation | D．gate |
| A．Less than one month | B．About eight months | C．About four months | D．Less than three months |
| A．the car will be safer | B．the lag will disappear | C．the car will “see” an object | D．a data center can receive instruction |
| A．more information | B．a large online network | C．slow internet speed | D．4G networks |
| A．Faster fifth generation | B．A little symbol | C．The internet of things | D．Huawei Mate X |
相似题推荐
【推荐1】Music is very important in our lives. You may find that music playing at many places.
Scientists believe that music influences (影响) the way people do things. They think that the sound of western classical music (西方古典音乐) makes people feel they have a lot of money and are different from others. When a restaurant plays classical music, people spend more money on food and drinks. When the restaurant plays modern music, people spend a little money. Without music, people spend even less.
Scientists also believe that fast music makes people eat faster. Some restaurants play fast music during their busy hours. This makes people eat and leave faster. Restaurants can make more money in this way.
Some scientists think that music makes you think and learn better. They say that music helps students to be more active. The old prefer (更喜欢) soft music, because it can make them relaxed and sleep well.
The next time you hear music somewhere, be careful. It may influence the way you do things.
1. Scientists believe music influence ________.| A．the way people eat meals | B．the way people study in school |
| C．the way people do things | D．the place where people eat |
| A．classical music | B．modern music | C．fast music | D．soft music |
| A．fast music makes people feel relaxed |
| B．fast music makes people eat and leave fast |
| C．fast music makes people spend more money |
| D．fast music makes people eat a lot |
| A．Loud music. | B．Popular music. | C．Fast music. | D．Soft music. |
| A．Music may influence how people do things. |
| B．Music can make people live better. |
| C．Music is good for our eating habits. |
| D．Music is very important to our living. |
Most people like tomatoes. And they think tomatoes is a vegetable, because they are not sweet and are used to add flavor(口味) to food.
Tomatoes are from Mexico(墨西哥). Spanish explorers(探险家) went to South America about 500 years ago, and then they brought back the tomatoes to Europe. Because the tomatoes look like apples, the French called them Love Apples, the British called them apples of gold.
In some countries like England and Mexico, tomatoes were thought to have poison(毒) in them.
It is believed that the British brought the tomato to India. This was about 300 years ago. Gradually, the people in India started discovering that the tomato tasted good. Today, the whole world is crazy about tomatoes.
| A．But it is actually fruit. |
| B．But they soon got over their fear. |
| C．So we think Mexico is the tomato’s hometown. |
| D．The first people in Europe to eat tomatoes were Italians. |
| E．That is because tomatoes look like plants called the belladonna(颠茄). |
A. Although Mo had left Gaomi, Gaomi never left him. Many of his books talk about rural life and the people of Gaomi. For Mo, all of man nature can be seen in the village life of Gaomi. B．Girls wore grey skirts and white shirts, boys wore grey trousers, and everyone wore the school tie. C．During the 1800s, African Americans worked long days in the fields of the American South. D．The first spacecraft with a human was sent up into space in 1961.Since then, people have not only traveled to space, but many of them have also lived there in space stations for some time. E．They sang songs that they had brought from Africa while working. One person sang a line. Then a group of workers repeated it. F．But if we write by hand, we should use strokes (笔画) to make a letter, finger actions make the large parts of the brain to work, to think and to remember language. Handwriting helps children learn letters and shapes, and it also improves their ability to express ideas. G．On April 5, the State Council (国务院) published new rules about school bus safety. These new rules are stricter than the old ones. |
【推荐1】Do you use Facebook, MySpace or Twitter？If so, then you are part of a social network. Social networking sites allow us to see our social connections.
When you create a profile（简介）on a social networking site, you open up a number of possible social connections. You can look up old friends, make new friends, and share music, photos and videos with them. You can also join groups according to your interests or hobbies, favorite TV shows or music.
Setting up a social networking account（帐号）is simple. You just create and post a personal profile. For this you need a login name, password, and an e-mail account. Then you add some personal information such as name, age, sex, location, interests, etc. You can also add a photo of yourself. You can control who sees your profile. The next step is to look for new ones, and add them to your network. Then you can search your friends' connections for anyone else you'd like to add to your network.
Different social networking sites allow people to communicate in different ways. There are sites that allow you to enlarge your personal community such as Facebook. Then there are ones that include media（媒体）sharing, such as You Tube, where members upload and look at other people's pictures and videos. There are also ones that specialize in sharing music, such as Last FM, and finally, ones that allow bloggers to form online communities, such as Live Journal.
The latest trend（趋势）in social networking is to create your own independent social network. Companies do this to make their products sell well and people do it to create their own communities.
1. What's the author's purpose in writing Paragraph l？| A．To raise a question. | B．To lead in the topic. |
| C．To introduce some sites. | D．To advertise a social network. |
| A．Make new friends. | B．Share videos with others. |
| C．Open a net shop. | D．Join groups you like. |
| A．you can upload videos |
| B．bloggers can form online communities |
| C．you have the largest personal community |
| D．sharing music is specialized |
| A．Social Networks | B．Personal Profiles |
| C．Networking Trends | D．Networking Accounts |
【推荐2】Are you curious of looking up at the stars and wondering if there's intelligent life out there? So is FAST, China's mega-science（大科学）project and the world's largest single-dish radio telescope. On April 28, FAST, nicknamed "China's Eye of Heaven", began its search for extraterrestrial intelligence（ET, 外星生物）.
As the news spread on social network, someone says. "Do not answer! Do not answer! Do not answer!" The same sentences come from The Three-Body Problem, a science fiction novel by Chinese author Liu Cixin. It has influenced people's minds so deeply that people are worried about the possibility of the Earth being attacked by an advanced extraterrestrial civilization（外星文明）as the plot of this novel.
That worry is, at least for now, unnecessary. Of the 1,800 planets that have been discovered, less than 20 can support life, and the nearest among them, Gliese 581, is 20.4 light-years away.
According to Robin Hanson' Great Filter theory, there is less than a one in a million chance of any extraterrestrial life form developing to higher intelligence or a civilization. And since their distance from China could even be millions or billions of light-years away, if they travel at the speed of light, it would take them at least millions of years to reach us.
However, that does not mean FAST's job is meaningless. As mankind's most sensitive（敏感的）radio telescope, FAST can best collect signals from the universe. Researchers can distinguish（区分）even a 4 Hz difference in the signals received, meaning it can best distinguish between manmade and ET-made signals. Even the signals from a non-ET civilization are useful, because they might contain some hidden information leading to the discovery of new stars or planets.
With FAST joining the cause, mankind can search the universe more deeply than ever before and increase knowledge about the universe. And whatever it achieves is the best evidence of China's advanced technology in astronomy（天文学）and the study of the universe.
1. What does the underlined word "It" in Paragraph 2 refer to?| A．China's Eve of Heaven | B．The Three-Body Problem. |
| C．The intelligent life. | D．China's mega-science project |
| A．Because he likes science fiction very much |
| B．Because he knows nothing about FAST. |
| C．Because he worries about being attacked by ETs. |
| D．Because he thinks FAST's job is meaningless. |
| A．What makes a planet suitable for intelligent life. |
| B．People should worry much more about extraterrestrial civilization. |
| C．There is no chance of any extraterrestrial life form developing to higher intelligence or a civilization |
| D．There is little possibility that extraterrestrial life forms will threaten life on Earth. |
| A．It is China's mega-science project to find the Three. Body civilization. |
| B．It wasn't built until April 28 |
| C．It is the mankind's most sensitive single-dish radio telescope |
| D．It increases the possibility of the Earth being attacked by ETs. |
| A．The importance of FAST's job | B．The study of the universe |
| C．The problems of FAST | D．China's advanced technology |
So why not take those words one step further? It's a great hobby that can produce something as simple as a 17-word poems, or as
Types of Writing
You can jump into any type of creative writing-novels, poems, or something else. Start wherever you feel most inspired, and try a few different forms to see what you like. You can also plan a children's book, write a song, or just write pages in your diary.
Actually Writing
Creative writing is a skill. If you own natural talents for writing, that's great! If not, you can improve yourself by writing something every clay, even if it's just a few words. 100words. com and 750words. com can help you reach the goal.
Getting Inspiration（灵感）
No inspiration is one of the biggest problems that beginning writers face, and it can be hard to find until you know how to look. So, you have to practice looking. Look for the beauty in everyday life, start by reading everything, and see where it takes you.
Really, just start writing. Get your thoughts on paper, express yourself, and have fun—because that's what creative writing is all about. As Ray Bradbury, the famous American writer said, "May you live with hysteria(大惊小怪)，and out of it make fine stories.
1. What does the underlined word "complex" probably mean in Chinese?
| A．简单的 | B．有趣的 | C．复杂的 | D．乏味的 |
| A．The easiest one. |
| B．The most interesting one. |
| C．The one he feels most inspired. |
| D．The one he does worst in. |
| A．the teachers | B．the radio |
| C．our pen pals | D．the Internet |
| A．we can't put our thoughts into the writing |
| B．writing is a way to feel bored without fun |
| C．Ray Bradbury used to be the greatest writer |
| D．fine stories are from our happy or hard life |
【推荐1】American bookstore Etema Cadencia publishes（出版）a special kind of books called “The Book That Can’t Wait”. They are printed in special ink（墨）that can slowly disappear when the ink meets light and air. The ink will completely disappear in two months after people open the book.
“The Book That Can’t Wait” is written by some new authors（作者）. It makes the bonds（联结）between new authors and their readers much stronger.
Books are usually very “patient”. We buy them, and then they wait for us to read. They wait there for days, months, even years. That’s OK for books, but not for new authors. If people don’t read their first book, the authors won’t be able to publish a second one. That’s why Etema Cadencia wants to make different things. They develop the special kind of ink, and hope that they can help the new authors a bit.
“The Book That Can’t Wait” is a big success. Hundreds of people come to the bookstore to buy this kind of books.
1. What will happen to “The Book That Can’t Wait” after people open it?| A．It will disappear in two months. | B．It will be closed again later. |
| C．The ink will disappear in two months. | D．People can still read it after two months |
| A．Because the books can be sold out sooner. |
| B．Because the books can make authors more famous. |
| C．Because the books can help collect more old book. |
| D．Because the books can make readers finish reading more quickly. |
| A．young readers | B．old bookstores | C．new authors | D．most parents |
| Look at this special handrail(扶手). One part of it is a seat. It is helpful for old people. They can sit on it and rest when They're climbing stairs. A company in Shenzhen designed this handrail. What a good idea! |
| Wearing a mask(口罩)is not a big problem for people with hearing problems, wearing masks makes it hard for them to communicate with others. This new mask design is here to help. There is a "window" in it. People with hearing problems can read each other's lips(嘴唇)and facial expressions. |
| Can printers only print on paper? This small printer can print on almost anything. You can print on clothes, cups and even on your skin! The printer uses a special kind of ink. If you don't like the pattern(图案), you can just wash it off. Once fully charged, the printer can work for six hours. |
| Pepper is a human-like robot. Japanese company SoftBank invented it. It can talk with people through speech or body language. Because of this, Pepper can be a babysitter(保姆), nurse and emergency(急救)medical worker. In April, 2020, a supermarket in Germany started using Pepper to keep customers apart from each other. It can tell customers to keep their distance(距离)while shopping. |
1. This handrail is helpful for _________.
| A．the old | B．the rich | C．the young | D．the poor |
| A．hard | B．easy | C．comfortable | D．exciting |
| A．put it off | B．cut it of | C．turn it off | D．wash it off |
| A．work as nurses | B．look after babies |
| C．keep customers apart from each other | D．save customers' lives as soon as possible |
| A．travel guide | B．science magazine | C．history book | D．geography book |
【推荐3】We live in the “computer age” now. People like scientists, teachers, writers and even students use computers to do all kinds of work. More and more people use computers for working or relaxing. Computers do change the world a lot. But do you know the history of computers? In fact, there are five generations of computers.
| 1. First Generation (1946-1956) | The first generation computer relied on machine language and it could understand the lowest-level programming language. What was more, it could only solve a few problems. |
| 2. Second Generation (1957-1963) | The new generation computers replaced the old ones because of their high-level programming language, and they could solve more problems. |
| 3. Third Generation (1964-1971) | Many different applications (应用程序) could be used in the new devices (设备), and we could use the computers with an operating system with keyboards and monitors. |
| 4. Fourth-Generation (1972-Present) | The microprocessors (微处理器) brought the fourth of computers, and the computers became powerful. More and more areas began to use microprocessors. |
| 5. Fifth Generation (Present and Beyond) | The Artificial Intelligence Computer is being used today. It includes many functions: Game Playing, Expert Systems, Natural Language, Neural Networks and Robotics. |
| A．First Generation. | B．Second Generation. |
| C．Third Generation. | D．Fourth Generation. |
a. People began to use microprocessors.
b. An operating system with keyboards and monitors could be used.
c. The Artificial Intelligence Computer includes many functions.
d. The computer could understand the lowest-level programming language.
e. They had high-level programming language and could solve more problems.
| A．b-d-e-a-c | B．d-e-b-a-c | C．d-a-b-e-c | D．b-d-c-e-a |
| A．It relied on machine language. |
| B．It could understand two programming languages. |
| C．It could solve many problems. |
| D．It included a lot of functions. |
| A．Game Playing. | B．Natural Language. | C．Robotics. | D．Invention. |
| A．Computers are very important. | B．Computers are very common now. |
| C．The history of computers. | D．The fifth generation of computers. |
【推荐1】While the start of a new school year is always exciting, this year was even more so for some students at White Cloud Primary School. They became the world’s first kids to be taught by an electronic teacher. This electronic teacher is not a human-like robot walking around the classroom. Instead, he is a computer-created head that appears on students’ computer or phone screens when needed. His name is Bill.
Created by technology company Smart Machines, Bill is able to show human-like behavior (举止；行为). He is designed to teach a special program about environmental-friendly power created by the sun and wind. This program, started in 2005, used to be taught by human teachers.
Just like human teachers, Bill is able to immediately answer the students’ questions and opinions about the topic. Thanks to computer cameras, he is also able to see and react (反应) to students’ physical actions. For example, if a student smiles at Bill, he answers by smiling back. This two-way exchange helps get the students’ attention. More importantly, it allows the program developers to improve Bill’s behavior and knowledge base when needed.
The program has been a great success according to Smart Machines spokesman Robert Frost. Frost says, “What is interesting to me is the children’s reaction to Bill. He really draws their attention.” Frost thinks kids don’t find the experience of being taught by smart machines as strange as older people because they have grown in a time of computers and smart phones.
It is doubtful, however, that human educators will lose their jobs to Bill any time soon. For one, this talking head’s knowledge base is not large. More importantly, even the smartest computer programs can’t guess and react to all the unexpected situations that educators face daily. Bill’s future might be as a “personal tutor (家庭教师)”, providing kids with one-on-one help for different subjects and topics.
1. What is Bill?| A．A human-like robot. | B．A kind of computer game. |
| C．A computer recording tool. | D．A computer-created talking head. |
| A．It lets them correct students’ mistakes. | B．It allows Bill to answer more quickly. |
| C．It helps them know how to improve Bill. | D．It helps them study students’ body language. |
| A．kids | B．older people | C．smart machines | D．program developers |
| A．Attracting students’ attention. | B．Understanding body language. |
| C．Answering students’ questions. | D．Dealing with unexpected situations. |
| A．A Computer Teacher | B．A Human-like Robot |
| C．A Computer-created Head | D．A Personal Tutor |
ChatGPT, a smart AI tool has swept (席卷) the education world in the past months. According to a US survey of more than 1, 000 students, over 89 percent of them have used ChatGPT to help with homework. ChatGPT is a powerful tool. You can ask it to write stories and emails, translate (翻译) languages, and answer all kinds of questions.
Some schools in the US, Australia and France have banned (禁止) the use of ChatGPT. The move comes out of worries that the tool could make it easier for students to cheat on homework. Some people also worry that ChatGPT could be used to spread wrong information. However, not all educators say “no” to ChatGPT. Some Canadian educators are making decisions on its use, for both students and teachers. They have no plans to ban the tool so far.
Bhaskar Vira, a teacher at the school in Cambridge, said that bans on AI like ChatGPT are not wise. “People should use ChatGPT in a wise way and it can make our life more convenient.” he told Varsity, the school newspaper. What we need to do is “get used to our learning, teaching and examinations”. That way, we can “have honest students while realizing the use of the tool”.
根据短文内容，判断句子正（T）误（F）．
1. ChatGPT is a smart AI tool and it has swept the education world in the past months.
2. ChatGPT can help people to write stories and emails.
3. Some schools in the US, Australia and China have banned the use of ChatGPT.
4. All the educators in the world say “NO” to ChatGPT.
5. From the passage, we can know people should use ChatGPT wisely.
Facial recognition (人脸识别) technology is widely used today. For example, the police use it to search for bad people.
Facial detection technology is also placed inside some large advertising boards. Cameras in those boards can detect information like people’s ages and five levels of feelings—from “very happy” to “very unhappy”.
Supporters of the technology say it could improve buyers’ experience by showing products they might like or by offering them products at lower prices.
Some are against the idea of using such systems. Pam Dixon, the head of a privacy (隐私) group, is one of them.
| A．It’s also used to unlock phones or doors. |
| B．She thinks the strange actions may cause something unfair. |
| C．If so, stores can send advertisements for new glasses to him. |
| D．Such systems are going through tests in a small number of stores. |
| E．However, one store testing the technology explained they wouldn’t store people’s information. |
