1 . A high school teacher and his students have discovered that an asteroid (小行星) hit by a NASA spacecraft, in a test run for saving the Earth from an impact, is behaving unexpectedly. The find could have effects on future planetary defense missions.
The Double Asteroid Redirection Test (DART) is a project designed to launch and crash a fridge-sized spacecraft into an asteroid called Dimorphos, orbiting a larger asteroid Didymos. The purpose of the exercise was to see how significantly the previous path of Dimorphos could be changed by the impact. Before DART’s impact, it would take Dimorphos 11 hours and 55 minutes to complete a lap around Didymos. NASA was hoping the DART crash could change the cycle by about 73 seconds, but observations made in the weeks following the impact determined that the results were much more significant, reducing Dimorphos’ orbital period by some 33 minutes.
But California high school teacher Jonathan Swift and his students discovered that Dimorphos’ orbital period was a full minute longer than the time reported by NASA last year. They used the school’s observatory to track Dimorphos and Didymos for several months last fall. Swift presented his class’ findings at the American Astronomical Society conference in June. The DART team has since confirmed that Dimorphos did indeed continue slowing in its orbit up to a month after the impact.
Scientists aren’t sure exactly what is behind the slowdown of Dimorphos. But recent observations of the asteroid have revealed a vast field of large rocks were kicked up by the impact. It’s possible that some of the larger space rocks fell back onto Dimorphos within that first month, slowing its orbit further, DART team member Harrison Agrusa said.
The DART team plans to release its own report on the unexpected findings in the coming weeks. However, complete answers may have to wait until 2026, when the European Space Ageney’s Hera spacecraft is scheduled to investigate the crash site up closely.
1. What was the purpose of launching the NASA spacecraft?| A．To change Dimorphos’ orbital cycle. |
| B．To stop Dimorphos hitting the Earth. |
| C．To reduce Didymos’ path around the sun. |
| D．To make Didymos move in a bigger orbit. |
| A．1 full minute. | B．2 minutes or so. |
| C．Nearly 33 minutes. | D．About 32 minutes. |
| A．How seriously Dimorphos was damaged. |
| B．What happened to the rocks on Dimorphos. |
| C．Why Dimorphos slowed down for a month. |
| D．What Dimorphos looked like after the impact. |
| A．To crash into another asteroid nearby. |
| B．To measure the previous impact results. |
| C．To affect the motion of the twin asteroids. |
| D．To identify the asteroids threatening the Earth. |
Jenny was the only child in her family. She had a quarrel (吵架) with her mother that afternoon and she ran out of the house angrily. She couldn’t help weeping sorrowfully when she thought of the scolding from her mother. Having wandered aimlessly in the street for hours, she felt a little hungry and wished for something to eat. She stood beside a stand (货摊) for a while, watching the middle-aged seller busy doing his business. However, with no money in hand, she gave a sigh and had to leave.
The seller behind the stand noticed the young girl and asked, “Hey, girl, you want to have the noodles?”
“Oh, yes, but I don’t have money on me.” she replied.
“That’s nothing. I’ll treat you today,” said the man, “Come in.”
The seller brought her a bowl of noodles, whose smell was so attractive. As she was eating, Jenny cried silently.
“What is it?” asked the man kindly.
“Nothing. Actually, I was just touched by your kindness!” said Jenny as she wiped her tears. “Even a stranger on the street will give me a bowl of noodles, while my mother drove me out of the house. She showed no care for me. She is so merciless compared to a stranger!”
Hearing the words, the seller smiled, “Girl, do you really think so? I only gave you a bowl of noodles and you thanked me a lot. But it is your mother who has raised you since you were a baby. Can you remember the times she cooked for you? Have you expressed your gratitude to her?”
Jenny sat there, speechless and numb with shock: she remembered her mother’s familiar face and weathered hands. “Why didn’t I think of that? A bowl of noodles from a stranger made me feel grateful. Why haven’t I thanked my mum for what she has done for me?”
On the way home. Jenny made up her mind to make an apology to her mother for her rudeness as soon as she arrived home.
注意：1. 所续写短文的词数应为150左右；
2. 续写部分分为两段，每段的开头语已为你写好。
Nearing the doorway, Jenny took a deep breath.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________At that time, her mother came back and touched her hair gently, which called her mind back.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________It was a hot summer day when my world turned upside down. The sun shone brightly and the sky seemed to be painted in an endless shade of blue. Little did I know that this particular day would become rooted in my memory forever.
I woke up with a sense of excitement; it was the first day of the summer camp. I had been looking forward to this day for weeks, imagining the adventures, new friends, and endless fun that awaited me. I quickly dressed in my favorite camp T-shirt and shorts, my backpack filled with snacks and a water bottle, eagerly anticipating the day ahead.
As I arrived at the camp, the energy was contagious (有感染力的). The air was filled with laughter, chatter, and the promise of an unforgettable summer. I quickly made friends with Sarah, a girl with a contagious smile, and we became really close over our shared love for adventure.
The camp was a wonderland, with activities ranging from sports to arts and crafts. I felt like I was ready to absorb every bit of knowledge and experience that came my way. The day went by quickly as we laughed through games, amazed at nature hikes, and cheered each other on during various sports activities. The sun seemed to run against the clock, reminding us to enjoy every moment before it was too late.
However, the day took an unexpected turn when a teacher announced an unexpected activity-a team-building exercise involving a high ropes course. I had always been afraid of heights, but the excitement of the challenge mixed with the encouragement from my newfound friends pushed me to give it a try.
Standing at the base of the towering structure, my heart raced like a runaway train. Each step up the ladder felt heavier. A sense of panic gradually began to catch me.
注意：
1.续写词数应为150个左右；
2.请按如下格式在答题卡的相应位置作答。
As I reached the top and looked down, I froze.
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Little by little, I made it to the other side.
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A Little Boy
A little boy selling magazines for school walked up to a house that people rarely visited. The house was very old and shabby and the owner hardly ever came out. When he did come out, he would not say hello to his neighbors or passers-by but simply just glared at them.
The boy knocked on the door and waited, sweating from fear of the old man. The boy’s parents told him to stay away from the house, and a lot of other neighborhood children were told the same thing from their parents.
Dusk found the boy lingering on and hesitating what to do. As he was ready to walk away, the door slowly opened. “What do you want?” the old man said impatiently. The little boy was very afraid but he had a quota (定额) to meet for school with selling the magazines. So he got up the courage and said, “Uh, Sir, I am selling these magazines and, uh, I was wondering if you would like to buy one from me.”
The old man just stared at the boy without a word. The boy could see inside the old man’s house and saw that he had dog figurines (小雕像) on the fireplace mantle. “Do you collect dogs?” The little boy asked. “Yes, I have many collections in my house. They are my family here and they are all I have.” The boy then felt sorry for the man, as it seemed that he was a very lonely soul.
“Well, I do have a magazine here for collectors. It is perfect for you. I also have one about dogs since you like dogs so much.” The old man was ready to close the door on the boy and said, “No, boy. I don’t need any magazines of any kind, now goodbye.”
The little boy was sad that he was not going to make his quota with the sale. He was also sad for the old man being so alone in the house that he owned. The boy went home and then had an idea. He had a little dog figurine that he got some years ago from an aunt. The figurine did not mean nearly as much to him since he had a real live dog and a large family.
注意:1. 续写词数应为150左右；
2. 请按如下格式作答。
The little boy headed back down to the old man’s house.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________From that day on something changed inside the old man.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________I had stopped at the Swindon services (服务区) while on my way back to London. As I drove up the slip road, I spotted a man with a backpack and his thumb (拇指) out. I pulled over and lowered the window.
“Which way are you heading?” I asked. “I’m going back to London.”
“Ah, that would be grand,” came his immediate reply. He opened the door and lifted his backpack on to the back seat. “I’m Brendan,” he said with an easy smile and a rich Irish tongue. “I was getting a bit desperate. I've had my thumb out for a day and half. Nobody seems to stop these days.”
“I haven’t eaten in days,” said Brendan. “I’m trying to get home.”
I’ve always enjoyed picking up hitchhikers (搭便车的人). I used to be a motoring journalist and crossed the country in various test cars. Picking up a hiker always made me feel a little less guilty about all the miles I was doing.
As we headed cast along the motorway, Brendan told me how he came to be waiting for a lift on that particular evening, and also about the two recent family tragedies that had ruined him and pushed him out of his old life and on to the road.
Brendan told me that he was 52. He laughed a lot and enjoyed his off-grid (不入网的) lifestyle. Until last week, that is, when he’d been mugged (抢劫).
“Three young men in Birmingham took my other pack and it had all my money in it. I’ve been sleeping out since then. I haven’t eaten in days. I’m hoping to get some casual work in London, so I can then get myself home to Ireland.”
It must have been the concept of home that got me, and helping a man who'd clearly had a tough time seemed like the right thing to do.
Para.1:
As we were approaching the Heathrow turn-off (希思罗机场岔道), I had an idea.
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Para.2:
Before he left to buy his air ticket, he gave me a huge hug.
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6 . In our human-centric view, the ability to shoot ink or change colors may seem odd, but you know what’s really odd? Menopause (更年期). You can count species other than humans known to experience and outlive menopause on one hand. Only Oracs (虎鲸) and some whale populations have females that live long past their reproductive years to become grandmothers. But a new, landmark study confirms that at least one population of chimpanzees can now be added to the list.
The discovery comes as the result of 21 years’ worth of observing the Ngogo community of wild chimpanzees in Kibale National Park, Uganda. Studying urine from 66 Ngogo females, aged 14 to 67, showed that their hormone levels changed after approaching 50, confirming they were in menopause. Interestingly, 50 is also the age when many people begin to experience menopause. “It’s really cool to finally have that piece of the puzzle come into place,” says Catherine Hobaiter, a primatologist who was not part of the new study.
But Catherine points out that the Ngogo community lives in a chimp paradise: the resource-rich, well-protected Kibale National Park that also lacks leopards, their main predator. And because the Noggo community is found in the heart of the park, its only neighbors are other chimps — not humans who can expose chimpanzees to viruses that have devastated other communities. “The Ngogo population may be an outlier (局外人) when it comes to the rest of the species,” she cautions.
And there is a question concerning “the grandmother effect”, according to which a grandmother has a decidedly beneficial effect on her children and grandchildren. Chimpanzees do not form long-term pair-bonds and females leave in search of new communities when they reach maturity, which means grandmother chimpanzees likely don’t know who their grandchildren are in the same way humans or even orcas do. What they do after the menopause remains a question of interest. “And that’s all future work to be done.” said Catherine.
1. What can be learned about menopause?| A．It is rare among animals. | B．It is unique to human beings. |
| C．It just occurs at the age of 50. | D．It is experienced only by females. |
| A．Scientist have found the solution to menopause. |
| B．What happens to the 66 Ngogo females remains a puzzle. |
| C．There is a puzzle whether chimpanzee females experience menopause. |
| D．The latest discovery casts new light on the puzzle of animal menopause. |
| A．To stress the importance of protecting chimpanzees from viruses. |
| B．To remind researchers of the potential limitation of the new study. |
| C．To prove that Ngogo chimpanzees are perfect subjects of the study. |
| D．To argue that the discovery of the new study is completely groundless. |
| A．By offering a definition. | B．By drawing a conclusion. |
| C．By presenting relevant facts. | D．By giving examples and opinions. |
One afternoon after school, Mary and her brother, Keith, were eating at a cafe near their home. That afternoon, they had to share their table with another person. That person was a young lady in her twenties. After eating, she went to the restroom. Without realizing, she had left her cellphone on the table. Five minutes later, she came out and walked out of the cafe without looking back.
Mary saw the cellphone on the table. She quickly told Keith, “Keith, the girl left behind her cellphone.”Keith looked at the cellphone. It took his breath away. It was one of the latest models on the market. Keith had always wanted a cellphone. But his parents had told him, “You don’t need one. You can always use the house phone.” He stared at it for some minutes. Then, he said slowly, pausing on every word, “I want to take the cellphone.” Mary could not believe her ears. She only stared at her brother, “You can’t! What if the owner comes to look for it?”
After making the decision, Keith quickly got the cellphone and put it in his schoolbag. Then, he took Mary’s hand and led her out of the cafe quickly.
Once back home, Keith locked his room door with trembling (颤抖的) hands. Inside his room, he took out the piece of beauty. Oh, he liked it so much. He had his own cellphone. Soon, he was polishing it happily. But Mary told him, “Keith, you cannot keep the cellphone. What will you tell our father about this? He will ask you how you got the cellphone.” Keith said quickly, “I will say a friend lent it to me.” Mary said, “Now you are lying too. Oh dear! When had Keith turned so dishonest?”
Then, Mary saw a house phone number on the cover of the cellphone. “This is the girl’s phone number. Why don’t we just call this number? We will talk to her and ask her to come and take back her cellphone,” she was trying to talk some sense into him.
注意：1. 续写词数应为150个左右;2. 请按如下格式在答题卡的相应位置作答。
That night, Keith turned over in bed from time to time.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Mary was very happy to hear that.
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Anyone who has an interest in Dunhuang will have heard of Fan Jinshi. The Chinese archaeologist
Fan has been studying the historical site since the early 1960s, first as an archaeology undergraduate from Peking University, then as a conservationist when she
“It is over a thousand years old. It is an old person, an
Today, thanks
When I was a kid in Pennsylvania, my family rehabilitated (使康复) wild animals.
I grew up with animals running around the house. We would go travelling to Bermuda and I would watch the whales off the shore. I fell in love with them and wanted to know more about what they got up to underwater. Now I've been studying whales for more than30 years and I am the president of the Center for Whale Research and Conservation.
In 2017, I was on a boat around Rarotonga in the Cook Islands, working on a film about whale conservation. The crew wanted to get more footage of me in the water with the humpback whales — I often slip in quietly to record their behaviour for research. Seeing a couple of humpbacks in the distance, I slid off the boat wearing a mask and swam towards them.
As I was approaching, one of the male humpbacks came right up to me, touching me with his head and pushing me through the water. It caught me off-guard — in 33 years of doing this work, this had never happened. I put my arm out and tried to push myself away while he attempted to roll up me under his pectoral fin (胸鳍).
My scientist brain was in overdrive as I tried to work out what he was doing. I felt a mixed sense of excitement and fear. Then the whale swam underneath me and lifted me out of the water on his fin. I signaled to the boat, then — swoosh — I was pushed back under.
After minutes of being pushed around by the humpback, I saw what I thought was a second, smaller whale. But then I noticed the tail — whales move theirs up and down, and this one was moving side to side. I realized with horror that it belonged to a huge, 18-foot tiger shark. Tiger sharks are known to attack people, sometimes fatally (致命地).
注意：
1. 续写词数应为150左右；
2. 请按如下格式在答题卡的相应位置作答。
The shark had arched its body, which meant that it was in attack mode.
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Just over a year later, I was on a boat in the same area when I heard of a whale sighting in the harbour.
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10 . Healthy human skin is covered with bacteria (细菌) that are quick to settle in an open wound. To prevent these organisms from spreading through the body, which can permanently injure or kill a person, the infected wound may need to be cleaned and treated with antibiotics. Medical professionals typically identify infections by unwrapping and observing a wound or by swabbing (用拭子擦拭) it and conducting a laboratory test. But removing a wound dressing can slow down the healing process. Plus, observations are subjective, while swab tests take time and require that a patient be physically present.
To address these issues, some research teams are developing devices that sit under bandages and continuously monitor indirect signs of infection, such as changes in wound temperature or acidity. And scientists at the National University of Singapore have now created an even more direct infection sensor.
This sensor can detect an enzyme (酶) called DNase. The enzyme acts as a reliable infection indicator because disease-causing bacteria produce it in large amounts inside wounds, whereas bacteria on healthy skin do not—so testing for the substance reduces the chance of a false positive result. Furthermore, DNase builds up before other infection signs appear. The new alert system, nicknamed the“wireless infection detection on wounds” (WINDOW) sensor, was detailed in Science Advances.
WINDOWs enzyme-sensing parts rely on a material called DNAgel. There searchers developed a particular kind of DNAgel that remains stable in watery environments, such as the human body, but begins to break down in the presence of DNase. They connected this gel (凝胶) to a chip that senses when the gel responds by sending a signal to a smartphone.
Thus far, the team has exposed the DNAgel to wound swabs from 18 people’s wounds to see how much the material degraded in the presence of the bacteria. There searchers also used the device on six living lab mice whose wounds were exposed to the same bacterial species, and it successfully detected infections.
1. What is the first paragraph mainly about?| A．The harm of common wounds. |
| B．The treatment of infected wounds. |
| C．The intervention on wound healing. |
| D．The dilemma of infection observation. |
| A．By comparing wound acidity. |
| B．By detecting the DNase enzyme. |
| C．By measuring the bacteria amount. |
| D．By observing changes in wound color. |
| A．It will cut down the length of infection-treating. |
| B．It could reduce the cost of infection observation. |
| C．It can monitor wounds continuously and remotely. |
| D．It might help conduct laboratory tests on wounds. |
| A．Innovations in Wound Infection Detection |
| B．Removing the Dangers of Open Wounds |
| C．Recognizing the Role of DNase in Healing |
| D．Challenges in Wound Care and Treatment |
