Do you know anything about the Moon?
Scientists have told us so much about the Moon.
The Moon is an unfriendly place.
But from the Moon, you can see our beautiful Earth. It is shining more brightly than the other stars in the dark.
| A．There is no air or water. |
| B．How much do you know about it? |
| C．The Moon is also a very quiet world. |
| D．You can take some photos with your camera. |
| E．It’s easy for us to have the idea of going to the Moon. |
| F．When the Sun shines in the day, the temperature is very high. |
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【推荐1】We have seen lots of science fiction movies about aliens (外星人). People travel to stars and even fight with aliens in the movies. But are there real aliens in the universe (宇宙)? Most of us think it is impossible, just like fairy tales. But the answer of some scientists is yes. So they have been searching for aliens in outer space for many years. They hope to find life signs of aliens.
Some scientists are used to using radio telescopes (望远镜) to search for aliens in space. In order to find aliens, they have worked hard for over half a century, but so far they have found nothing. Then some scientists guessed aliens might not want to connect us, but aliens could answer our messages. So some scientists sent radio signals into the universe. They hope one day they would be picked up by alien technology. These scientists want to prove (证明) that we are not alone in the universe.
But what should we do if the “alien phone” rings one day? Should we answer it? Stephen Hawking, the famous physicist, thught it could be dangerous to connect aliens. He said that the main purpose of aliens’ visit to the earth could be searching for our resources (资源). But other scientists think we have no need to worry. David Morrison, a NASA scientist, said, “If an alien radio signal reaches the earth from a planet thousands of light-years away, then they almost surely have solved all the problems we still have including the short of resources. Maybe they are much smarter than us, but why do they want to hurt us? I think we can try to connect them.”
1. ________ scientists believe there are aliens.| A．Few | B．All | C．Most | D．Some |
| A．50 years | B．more than 50 years | C．40 years | D．more than 100 years |
| A．are friendly | B．are dangerous | C．can’t be found | D．have been on the earth |
| A．we want to find aliens | B．aliens have many skills |
| C．we want to help aliens | D．aliens are much smarter than us |
| A．Ideas about aliens | B．Protect our earth | C．Stephen Hawking’s idea | D．How to find aliens |
Our Neighbourhood (附近的)Stars
Most of the stars that we see in the night sky are billions of kilometers away. But there is one star which is much closer to the Earth. We see it every day as a large, bright ball in the sky. It is called the Sun. It is the only star in our solar system(太阳系). It gives us heat and light. Without the sun, there would be no life on our planet.
The nearest star outside the solar system is called Alpha Certauri. It is bigger and hotter than the Sun. It looks much smaller because it is very far away. It takes four years for light to reach us from Alpha Centauri. The Earth is only about eight light minutes away from the Sun.
The Sun is not our nearest neighbour in space. The Moon is just 380, 000 kilometers away. It is the only part of the solar system that people have visited from the Earth. Where will we go next?
1. The Sun is not the only star in our solar system.2. Without the sun, there would be no life on our planet.
3. Alpha Certauri is bigger and hotter than the Sun.
4. It takes four years for light to reach us from the Earth.
5. People have visited the Moon from the Earth.
From the moon to Mars, scientists have been looking for water — the key to life — in the solar system for many years. Recently, they have turned to Jupiter(木星)!
Jupiter is a gas giant(巨星). It doesn’t have an Earth-like surface. We can see strips(条纹) around it. They are actually cold, windy clouds.
On April 14, the European Space Agency’s (ESA) JUICE spacecraft successfully lifted off from French Guiana in South America. JUICE, short for “Jupiter Icy Moons Explorer”, will collect data(数据) from Jupiter and its three moons, Europa, Ganymede and Callisto.
The three moons are believed to have big oceans of liquid water(液态水) under their icy shells(壳). According to ESA, he water on those moons could be six times as much as the amount in Earth’s oceans. The mission “will change our understanding of the solar system”, wrote Scientific American.
In 1998, NASA’s Galileo spacecraft found that Europa might be ejecting(喷射) water as far as 160 kilometers into space. That gave scientists the idea of studying the icy moons of Jupiter.
The oceans under these moons are likely to be tens of kilometers deep. But they are also trapped under tens of kilometers of ice, making it very difficult to study them. Although JUICE cannot land on the surface, it has lots of high-tech equipment to study the moon’s environment, including spectral imaging(光谱成像) tools and radar(雷达). They could give more data on things like the thickness of the oceans, their salt content(含量), and their distance from the icy shells above, reported Phys.org.
“The main goal is to understand whether there are habitable (可居住的) environments among those icy moons and around a giant planet like Jupiter,” JUICE team member Olivier Witasse said during a press conference (发布会) on April 6.
1. What do we know about JUICE?| A．It will become one of Jupiter’s moons. | B．It will collect data from Jupiter and its moons. |
| C．It got its name from how it looks. | D．It left for Jupiter from the US. |
| A．be six times as much as the amount in Earth’s oceans | B．be common to see on other planets |
| C．have been ejected from the planet into space | D．mainly come from the planet’s icy shells |
| A．lost | B．caught | C．kept | D．taken |
| A．It can land and collect samples on the ground. |
| B．It can get information about the oceans by radar. |
| C．It can get water samples from deep under the icy shell. |
| D．It can break the ice on Jupiter’s moons. |
| A．To test ways of keeping water on Europa, Ganymede and Callisto. |
| B．To find out if Jupiter has living things similar to human beings. |
| C．To figure out if it is possible for life to live on some moons. |
| D．To move water from Earth to moons like Europa, Ganymede and Callisto. |
Art can show humans’ creative mind. But these years, you may read news about AI(人工智能) creating its own art, such as painting or writing articles.
These days, a piece of music created by AI became hot online. AI turns the novel coronavirus (新冠病毒) into a piece of two-hour long music on its protein structure(蛋白质结构). An American musician and expert of engineering matched each note with amino acid (氨基酸).
We hope that AI can become a useful helper to make a difference to the art world if it’s welcomed and trusted.
| A．The AI then turned these notes into music. |
| B．Because many artists today are turning AI into a useful helper. |
| C．Not only create art works, AI can also do simple jobs for artists. |
| D．Some people worry that AI might someday take the place of artists. |
| E．This surprising relationship between science and art could never be reached without AI. |
| F．People should think about if humans and AI can work together to create art works in the future. |
【推荐2】Did people eat takeout in ancient times?
In fact, there was takeout as far back as the Song Dynasty（960-1279）. According to history books, Emperor Xiaozong（1127-1194）liked to order takeout late at night. His servants then went around the city to pick up the dishes and bring them back to the palace.
Ordinary people also ordered takeout. Restaurants would get their waiters to go out into the streets and yell out which dishes could be ordered that day. People could then place an order. Later, delivery workers would bring food to their homes. In the famous Song Dynasty painting Along the River During the Qingming Festival（《清明上河图》）, a takeout worker can be seen doing a delivery with food in hand.
People at the time even had special meal boxes for takeout dishes. They were not like normal boxes. They were long wooden boxes with several layers（层）. People also used warming plates made of two layers of porcelain（瓷）. Hot water could be put between them to keep the dishes warm.
根据语篇内容, 判断下列句子正误, 正确的在答题卡上将“T”涂黑, 错误的在答题卡上将“F”涂黑。1. Chinese started to have takeout in the Song Dynasty.
2. Emperor Xiaozong liked to order takeout in the morning.
3. Ordinary people didn’t order takeout in ancient times.
4. The special meal boxes for takeout dishes in ancient times were made of wood.
5. The takeout dishes couldn’t be kept warm in ancient times.
【推荐3】A new report shows what life might be like in 100 years from now. It describes skyscrapers that are much taller than today’s buildings, underwater ＂bubble＂ cities and holidays in space. The report is from a company. It asked experts(专家) on space and architecture, as well as city planners, to give their ideas on the life in 2116. They said the way we live, work and play will be totally different to how we do these things today. The experts used the Internet as an example. They said that 25 years ago, people could not imagine how the Internet and smartphones would change our lives. The Internet has completely changed the way we communicate, learn and do daily things. The experts said the changes in the next century would be even more unbelievable.
Researchers questioned 2,000 adults about the prediction(预言) they thought were most likely(很可能的) to happen in the future. They predicted that in the future, few people will go to an office but will work from home and have work meetings online. People will have highly developed 3-D printers that will let you download (下载) a design for furniture or a food recipe and then ＂print＂ the sofa, table or pizza at home. There will also be less need for visits to the doctor. We will all have a home health instrument that will tell us what the problem is and give us treatment. We will also be going into space for holidays and to get resources that we have used up on Earth. A prediction that is missing is whether people will still need to study English.
1. The writer uses the example of the Internet in Paragraph 1 to show ________.| A．the Internet was often used | B．the Internet has developed fast |
| C．people will not believe the changes | D．technology will change people’s lives |
| A．buy one in a shop | B．ask somebody to make one |
| C．download a design and ＂print＂ one | D．design and make one by oneself |
| A．how people will work |
| B．where people will get resources |
| C．what people will have at home to treat illness |
| D．whether people will still need to learn English |
| A．the life in 2116 | B．holidays in space |
| C．the history of the Internet | D．medical treatment |
| A．an advertisement | B．a newspaper | C．a detective story | D．a health report |
