Scientists have worked out when our Sun will die. It won’t be any time soon. It will be in 10 billion years. The scientists are from the University of Manchester in the UK. They predict that in about 5 billion years from now, the Sun will turn into a “red giant”. This is the scientific name given to a star at the end of its life. When our Sun becomes a red giant, its centre will shrink (收缩) . Its outer layers will expand (膨胀) as far as Mars. This means Earth will be burnt and disappear. After our Sun turns into a red giant, it will become a bubble of gas and space dust. The scientists say no humans will be on Earth when the Sun dies out.
The Sun is still quite young in space years. It is just 4.6 billion years old. This means it is only around one third into its lifespan (寿命) . Professor Albert Zijlstra, a scientist from the University of Manchester, explained what happens at the end of a star’s life. He said, “By this point in the star’s life, it is running out of fuel. Then it turns off and dies.” Professor Zijlstra was happy that modern science can count the age of stars and what will happen to them. “We even have found out what the Sun will do when it dies.” He said.
1. According to the scientists, when will the sun die?2. When do we call a star “red giant”?
3. What will happen to humans when the sun dies out?
4. What’s the lifespan of the Sun?
5. Should we worry about the sun’s death? Why or why not?
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A group of scientists discovered a gas called phosphine(磷化氢) on Venus(金星). That means there may be living things on the planet, which made many people start to imagine the talk between aliens and humans. A reporter from Washington Post wrote a letter to people of Earth on behalf of(代表) the citizens on Venus.
| Attention, People of Earth Fine. The big secret is out. Many of your finest scientists have discovered there is life tens of millions of miles away-here, on the beautiful planet of Venus. Congratulations! However, we have a polite request: Please stay away. We're serious. No spacecrafts to Venus, no tasks, no visits. If we wake up one morning and see so many of you people wandering around in spacesuits, we're going to be really upset. We don't want to be impolite. It's just that we're shocked by what you've got going on down there. Earth looks like a mess. You've got health problems, environmental pollution, traffic jams, political fights, etc. No wonder so many of you want to leave Earth for another planet. We know you'd like it here. That's what frightens us. you'd all move to Venus at once. If we start having you all up here, pretty soon, the Martians(火星人)and Jupiterians(木星人) are going to come, too. But we can't handle so much. Venus is not Earth 2. We suggest _______________________ because _____________________. God bless you! Sincerely, Venusians(金星人) |
1. Is it possible that there are living things on Venus according to the scientific discovery?
2. What do the Venusians ask Earth people to do?
3. How will the Venusians feel when seeing many Earth people on Venus?
4. Why do Earth people want to leave for another planet?
5. What can be filled in the blanks?
6. Who actually wrote the letter?
The journey to the moon has been the first step towards exploration（探险）in space. The distance between the moon and Earth is very short indeed（的确）when compared with the distances between Earth and the other planets. Venus, the nearest planet to Earth, is millions of miles away!
Travelling to the planets will be man’s next aim. Such travels will be more challenging（有挑战性）than the trip to the moon and certainly more adventurous. In 1976 two American spaceships, Vikings 1 and 2, landed on Mars trying to discover whether that planet has any life out it. So far scientists are not sure about that.
Scientists have discovered that the surface of Venus is very hot and it is almost certain that there is no life there. Also the atmosphere（大气）of Venus is extremely dense（稠）and the pressure is nearly a hundred times greater than that of the Earth’s atmosphere.
Scientists believe man may find planets just like our home, Earth, but man should realize Earth will be the only home for a long time and begin to love and care for it.
1. The distance between the moon and Earth is very2. Venus is the
3.
4. According to scientists, it is almost certain that there is no life on
5. Scientists believe that people should love Earth and
【推荐3】Chang’e-5 has returned from the moon to Earth. The mission’s success made China the third country to bring back samples (样本) from the moon.
Chang’e-5 was China’s third mission to land on the moon, and it’s first to get samples from the moon. There were no astronauts on this trip. Scientists ran the mission with robotic machines.
Chang’e-5 was launched (发射) from Wenchang Spacecraft Launch Site on November 24th, 2020. On December 1st, it got to the moon. During the stay on the moon, it got 1,731 grams of lunar samples. On December 3rd, our national flag was shown on the moon. After that, Chang’e-5 was ready to go home. On December 17th, Chang’e-5 landed safely in Inner Mongolia.
Chang’e-5 was the first mission to get samples from the moon in over 40 years. The samples will help scientists better understand the history of the moon and the solar system.
The Chang’e-5 mission has made many Chinese people excited and proud of their country’s success. The mission also showed that China has a first-rate (一流的) space program that is able to compete with other countries.
Answer the following questions according to what you read.
1. Was Chang’e-5 China’s first mission to get samples from the moon?
2. When was Chang’e-5 launched?
3. How long has Chang-5 been in space?
4. Who could use the samples to do some research?
5. As Chinese, how do we feel about Chang’e-5’s success?
Making small spaces look bigger is one of the biggest challenges often met by homeowners. There is no need to use the professional staff to fix this problem because, in most cases, it is possible to do it on your own. If you feel your living room uncomfortably small, you can follow some tips to make it seem bigger.
Clean up the mess. Do not use more than three pieces of any type of decorations, for example, flower vases. Cut down the number of items displayed on the floor, such as house plants. Place as many of them as possible on the shelves.
Choose a small dining table. You can move and put away small tables in other rooms when they are not needed, and this can help to make the living room appear more spacious(宽敞的). And a new kind of furniture has appeared. The newly-designed furniture takes up very little space and makes a room look spacious. It is a very nice design.
Place a large wall mirror. If you have a good wall that you are thinking about using to decorate, try finding a large wall mirror that you can place there and see if it can make your living room look larger.
Choose bright colors or light ones instead of dark colors when treating the walls, avoid dark colored wallpaper, which can make the room seem even smaller. Consider using one color theme in two neighboring rooms that are in the same line of sight. If you want to make a room look bigger, try painting it blue. It seems to push the walls back.
How to make a small living room seem | |
| Clean up the mess | Place the house plants on the |
| Choose a small dining table | Small tables can be |
| Place a large wall mirror | Try finding a large wall mirror to see |
| Choose bright or light wallpaper | Consider |
In December, 2021, three astronauts from Shenzhou-13 gave a live science class to Chinese students on Earth. The class lasted about 45 minutes. About 1,420 students attended the class from five classrooms across China.
| Wang’s response(回应) to students’ questions We drink the recycled water and it tastes the same as normal water. With a water recycling system(再循环系统), every drop of water is fully used in the space station. |
| Wang’s response to students’ questions ●The stars we see are much brighter, but they do not twinkle(闪). This is because there is no Earth’s obstructing atmosphere(大气阻力). ●The sky we see isn’t blue, but black. And every day, we can see the sun rise 16 times because we circle( 环绕) the Earth every 90 minutes. |
● A ▲ of the space station
At the beginning of the class, Wang Yaping gave the students a tour of their living and working areas in the space station. On the tour, she showed the bedrooms, the toilet, a kitchen where the astronauts prepare their meals every day, and the area where they do scientific experiments(实验).
●Scientific experiments in zero-gravity(重力) environment
Ye Guangfu performed experiments on cell(细胞) growth in zero-gravity environment in space with a video. They compared the growth and shape of cells in man-made gravity and zero-gravity to study their changing rules.
Then they explained why astronauts can’t walk in space like they do on the ground. They also explained how angular momentum(角动量) helps them turn around in zero gravity.
Astronauts will also give more classes from space, opening the door of knowledge to people in China and other countries. More astronauts, scientists and engineers will come out from the students watching these classes to carry on the exploration(探索) of the unknown.
1. According to the passage, complete the blank ▲ with a subtitle(小标题).2. How do the astronauts fully(充分的) use the water in space?
3. Please translate the underlined sentence into Chinese.
4. Who performed an experiment on cell in space with a video?
5. How many times do the astronauts see the sun rise every day?
6. Do you like the space class? Why or why not?
【推荐3】Save the Sharks
Many have heard of shark fin soup.This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup?
When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel, but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life. Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health, so why eat them? Help save the sharks !
Thefacts about | shark fin soup | You A shark will die slowly if it |
| Endangered sharks | If the number of sharks drops too low, it will bring danger to ocean life. The numbers of some kinds of sharks have fallen by over | |
| Help save the sharks | Two |
【推荐1】If you dropped a piece of fruit on your computer keyboard, would you think about eating it again? What if you dropped it in the toilet? Bacteria(细菌) can live everywhere, even in some unexpected places.
If you eat at your computer, sneeze on your keyboard, or sit down to surf the Internet without first washing your hands, your computer keyboard could be bad for your health. According to the US National Research Centre, the average computer carries 400 times more bacteria than a toilet bowl(抽水马桶) does.
Could one of the dirtiest things in your home be right in your hand? Yes. The TV remote control. It gets dropped on the floor, put on the sofa and everyone in the house holds it. Scientists found that about half of the tested remote controls carry the cold virus(病毒).
Don’t forget your toothbrush. Do you put it in the bathroom? Studies show that flushing(抽水冲洗) the toilet releases(释放) bacteria in the air. Bacteria can remain in the air for at least two hours. They may pollute your toothbrush. You can find ways to solve this problem. Try to keep your toothbrush far from the toilet. Make sure that it is in an upright position after each use. It’s also important to change your toothbrush every three months.
Here are some other places to watch out for:
At home
The kitchen is one of the places with the most bacteria — more than the bathroom. Dishcloths and kitchen sponges(海绵) are great places for bacteria since they are always wet after being used. Try to make them dry.
At school
When you put your schoolbags on the floor or in the bus, many bacteria can live on the bottom(底部) of it. Try to clean your schoolbag often.
In public places
Escalator handrails(电梯扶手), shopping cart handles(推车手柄), public books and magazines are top bacteria carriers. That’s why the first thing to do when getting home is to wash your hands.
Yes, bacteria are everywhere. But don’t be too afraid to touch those things. Most of bacteria are harmless. Just remember to wash your hands regularly. It is the most useful way to protect yourself from bacteria and viruses.
回答下面5个问题，
1. Where can bacteria live?
2. How many of the tested remote controls carry the cold virus?
3. How often should you change your toothbrush?
4. Why are dishcloths and kitchen sponges good places for bacteria?
5. How can you protect yourself from bacteria and viruses?
The science and technology backyard program was started by China Agricultural University in Beijing. This program sends students to help solve practical (实际的) farming problems. Hou Yulin, 25, studies at this university. He has taken part in the program. On a recent afternoon, he went to a green field. He walked around to spread fertilizer (肥料) over crops (庄稼) together with several farmers in Handan, Hebei.
Under the program, students do research in fields and use their knowledge to help farmers. On May 3rd, Chinese President Xi Jinping replied to a letter from students taking part in the program. Xi Jinping praised (C) them for their work on the front line of farming. Zhang Fusuo, a professor (教授) at China Agricultural University, started the first science and technology backyard project in 2009 in Hebei province.
His idea is simple. “The farmers don’t understand our research. We need to find a way to go down to the countryside. (A) That will make technology truly useful in solving practical problems,” Zhang said. His wish has come true. Take Hou for example, Hou studies resource utilization (资源利用) and plant protection to help improve crop output (产量).
So far, the university has developed 139 science and technology backyard projects in 24 provincial-level (省级) areas in China. (B) Another 780 such projects will be set up across the country in the future. The program has also been introduced in eight countries in Africa.
1. 把（A）处画线句子翻译成汉语。2. 把（B）处画线句子翻译成汉语。
3. 写出（C）处画线单词指代的内容。
4. 在文中找出侯同学为了帮助提高庄稼产量进行的两项研究。（名词短语）
5. 找出或概括能体现本文大意的句子。
How do you relax yourself on holidays? Having a party is a good way to relax during the summer holiday. Here are some tips to help you have a party.
Prepare( 准备) the food
A party needs to have lots of delicious food and drinks. Think about what time you’re having your party and decide how much food to prepare(准备) for your friends. Parties between mealtimes can have just snacks, but parties at dinnertime should have much food. You can buy hotdogs, hamburgers, chicken wings or sandwiches for your party.
Invite your friends
Choose a date and time to have your party, and then invite all of your friends. Send the invitations a week before the party. You’d better tell your friends something important. For example, tell people to bring their swimsuits if there will be a pool party or water sports.
Plan something interesting
You will have some interesting things to keep your party guests happy. Things like ping-pong, singing and dancing are great choices for guests.
(1、2 题完成句子；3 题简略回答问题；4 题找出并写下全文的主题句；5 题将文中画线句子译成汉语。)
1.
2. We should prepare
3. What should people bring if there will be a pool party or water sports?
4.
5.
