C1 英语分级阅读
适合能够理解较复杂文本的学习者。关注语气、隐含意义与表达选择，练习更精确地组织论述。
读完以后，试着这样聊
比较文章的表面信息与隐含观点，用具体措辞举例，并讨论另一种表达会怎样改变语气。
先阅读并听朗读，必要时查看翻译。回答时不用一次说得很长：先表达一个完整意思，再根据 AI 的追问补充细节。如果频繁需要翻译，可以先试低一级；如果能轻松复述，可以读同一篇的更高难度版本。
选择一篇文章开始
When Familiar Words Change Their Meaning
A mouse can run across a kitchen floor, but it can also sit beside a computer. English speakers usually know which meaning is intended. This simple example reveals something import
C1 · 阅读、听音与 AI 对话
When Past Effort Shapes Today's Choice
Imagine paying for a film ticket and becoming bored halfway through the film. You would rather go home, yet you stay because leaving feels like wasting money. Staying, however, wil
C1 · 阅读、听音与 AI 对话
Finding Planets Through Missing Light
How can astronomers find a planet hidden in the bright light of its star? One useful method is to watch for a slight drop in the star's brightness. Although the planet may be too f
C1 · 阅读、听音与 AI 对话
When Ice Traveled by Ship
A cold drink on a hot day once depended on a surprising journey. During the nineteenth century, businesses shipped natural ice from cold regions to warmer places. Ice cut from lake
C1 · 阅读、听音与 AI 对话
How You Know Where Your Arms Are
When you put on a jacket, your hand can find the sleeve without your eyes following every movement. You also know whether your elbow is bent or straight while looking elsewhere. Th
C1 · 阅读、听音与 AI 对话
Why Sweat Cools You Only When It Evaporates
On a hot day, a wet shirt can seem like proof that your body is cooling down. But producing sweat is only part of the process. The main cooling happens when that liquid evaporates:
C1 · 阅读、听音与 AI 对话
When AI Learns the Wrong Clue
An AI system can perform well in a test yet fail at its real job. Sometimes this happens because it has learned a useful-looking pattern rather than the one people intended. Resear
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Why Skaters Spin Faster with Their Arms In
An ice skater begins a spin with both arms stretched out. Then the arms move toward the chest, and the spin becomes faster. The skater has not pushed against the ice again. So wher
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Where Will Tomorrow's Electricity Wait?
Solar panels can produce plenty of electricity at lunchtime, when many homes are empty. Later, people return, cook dinner, and switch on lights as the sun goes down. Over the next
C1 · 阅读、听音与 AI 对话
The Words English Borrowed
You can take a ballet class, play a piano, or collect a child from kindergarten without noticing that you are using words from other languages. English has welcomed words through t
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The Beat Between the Beats
In a clearing beside a silver pond, a woodpecker played a hollow branch. He could make sounds like rain, running feet, or nuts falling into a bucket. When a squirrel asked him to
C1 · 阅读、听音与 AI 对话
Why Astronauts Float Above Earth
An astronaut releases a pen inside a space station. Instead of dropping to the floor, it floats nearby. Earth's gravity appears to have disappeared, but it is still pulling on both
C1 · 阅读、听音与 AI 对话
The Roman Objects with No Clear Purpose
A small metal object sits in a museum case. It has twelve flat faces, round holes of different sizes, and small knobs at its corners. It looks carefully designed, but its purpose r
C1 · 阅读、听音与 AI 对话
Why Your Eyes Need Time in the Dark
Walk from a sunny street into a dark cinema, and the seats may seem to disappear. A little later, you can make out rows, coats, and faces. The room has not become brighter. Your ey
C1 · 阅读、听音与 AI 对话
How Beavers Turn Streams into Ponds
A line of branches across a stream may look like fallen wood. Sometimes, however, it is a structure built by beavers—animals that build barriers across streams. By changing how wat
C1 · 阅读、听音与 AI 对话
How AI Turns Speech into Text
Live captions can turn speech from a meeting or video into text almost as someone speaks. But speech does not arrive as a neat row of words. It arrives as a changing sound signal.
C1 · 阅读、听音与 AI 对话
Venice Beyond the Gondolas
In photographs, Venice often appears as a city of gondolas—traditional narrow boats—and beautiful bridges. For residents, however, water is more than a view. It shapes journeys to
C1 · 阅读、听音与 AI 对话
Three People, One Rainstorm
The film club had made a four-minute movie about a toy car crossing a garden. It featured bridges made from rulers, a tunnel under a flowerpot, and an enormous puddle. But it had n
C1 · 阅读、听音与 AI 对话
The Empty Half Hour
By three o'clock, the cheese in Mara's sandwich had gone soft. She had made it at seven, before opening her small hair salon on Willow Lane. Her morning appointments had run late.
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When Does an Invitation Become a Plan?
"You must come over sometime!" sounds like an invitation. But should you take out your calendar, wait for another message, or simply say, "That would be lovely"? The answer often d
C1 · 阅读、听音与 AI 对话
What Does Ready Mean?
At a small furniture company, Lena managed a new product brochure. On Tuesday morning, she asked Marco, the designer, whether the file was ready. "Yes," he replied. "It's in the s
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Six Mugs Left
By noon, Tessa's market table was empty. Every mug she had made was gone, including the yellow one with a slightly uneven handle. She folded the blue tablecloth with a smile. At l
C1 · 阅读、听音与 AI 对话
Is the Bigger Bag Really Cheaper?
Two bags of oats sit on a shop shelf. One costs $2; the other costs $3.60. Which is the better buy? The price alone cannot tell you. You also need to consider how much each bag con
C1 · 阅读、听音与 AI 对话
Why Metal Feels Colder Than Wood
A metal spoon and a wooden spoon have been sitting in the same kitchen all night. When you pick them up, the metal one feels colder. Does that mean it actually has a lower temperat
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A Game in Three Evenings
Every Saturday afternoon, Lena and her mother played a game with wooden boats. They moved between painted islands, collected colored stones, and tried to reach the harbor first. A
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The North Wind and the Sun
The North Wind and the Sun argued over which of them was more powerful. They agreed that whoever first made a passing traveler take off his clothes would be declared the winner. T
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The Hare and the Tortoise
One day, the Hare ridiculed the Tortoise's short feet and slow pace. Laughing, she replied, "Though you are as fast as the wind, I will beat you in a race." The Hare believed her
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The Lion and the Mouse
A Lion was awakened by a Mouse running across his face. Rising angrily, he seized the Mouse and was about to kill him when the little creature pleaded for his life. "If you would
C1 · 阅读、听音与 AI 对话
The Crow and the Pitcher
A crow dying of thirst saw a pitcher, a container for holding and pouring liquids. Hoping to find water, he flew eagerly towards it. When he arrived, however, he was disappointed t
C1 · 阅读、听音与 AI 对话
The Fox and the Grapes
A very hungry fox was walking beside a garden when she noticed a vine growing over a wooden frame. Several groups of ripe black grapes hung from it, looking fresh and full of juice
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Eight Hats, One String
Pella had made eight summer hats for her small hat shop: a yellow one with a wide edge, a green one with flowers, and six others in bright colors. Before displaying them in the win
C1 · 阅读、听音与 AI 对话
The Note Under the Door
Tomas was eleven and had been learning the trumpet for three weeks. Every afternoon at five o'clock, he practised in his small bedroom on the third floor of Linden Court. He knew t
C1 · 阅读、听音与 AI 对话
The Cat with Three Names
Every evening at six, a gray cat jumped onto Ana's small third-floor balcony. He had white feet and one bent ear. Ana was twenty-four, new to the city and living alone, and the cat
C1 · 阅读、听音与 AI 对话
The Extra Tomato
Every Saturday morning, Mira walked to the small market in Ashdown Square with a canvas bag and a short list. She had moved to the town in spring and still knew few people there; t
C1 · 阅读、听音与 AI 对话
The Red Shoes on Juniper Hill
Basil Moreno repaired shoes at the top of Juniper Hill for forty-one years. His shop was small and smelled of leather and glue, and a brass bell rang every time the door opened. O
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The Cat and the Cock
A cat caught a cock and began to think how he might find a reasonable excuse to eat him. He accused the cock of troubling people by crowing at night and keeping them from sleeping.
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THE QUEEN BEE
Two kings' sons once upon a time went into the world to seek their fortunes, but they soon fell into a wasteful foolish way of living, so that they could not return home again. The
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President Jonathan Levin's remarks at Opening Convocation
First-years, transfer students, and families: Welcome to Stanford! We're glad you're here. We enjoyed seeing you move in this morning. That's one of my favorite moments of the yea
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THE SWORD OF DAMOCLES
There was once a king named Dionysius. He was so unjust and cruel that people called him a tyrant. He knew that almost everybody hated him, and he lived in constant dread that some
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Researchers: South Korea's Birth Rate Increase Last Year Unclear
In 2024, births rose for the first time in nine years, a welcome sign for a country facing serious population challenges. South Korea's national statistics agency recently reported
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Lincoln's Cottage: a Country House for the President
About five kilometers from the White House in Washington, DC there stands a historic building closely tied to one of America's best known presidents. Abraham Lincoln The building c
C1 · 阅读、听音与 AI 对话
The Goodyear Blimp Has Been Flying Over America for 100 Years
The Goodyear Blimp is an airship that is also a traveling advertisement for the Goodyear Tire Rubber Company. The airships are immediately recognizable to most Americans. For the
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The Old Lion
An old lion, tired and weakened by illness, lay on the ground near death. A wild boar saw him and quickly attacked, using its tusks to punish the lion for a past injury. Soon after
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The Charger and the Miller
A Charger, feeling the effects of age, was reassigned to work in a mill instead of fighting in battles. He was unhappy with this change and often thought about his past life. He re
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Nothing ventured, nothing gained
The saying "Nothing ventured, nothing gained" means that if you do not take risks, you cannot expect to succeed or get something valuable. It encourages people to be brave and will
C1 · 阅读、听音与 AI 对话