1 . In looking through your social media, there’s a good chance you’ve noticed pictures accompanied by texts. The pictures are likely made possible by a text-to-image program called DALL-E. For example, Twitter user posted a tweet with the text, “To be or not to be, rabbi holding avocado, marble sculpture.” Then a matching picture appears below.
The AI models come from Google’s Imagen software as well as OpenAI. a start-up backed by Microsoft. On its website, OpenAI calls DALL-E “a new Al system that can create realistic images and art from a description in natural language.” But most of what’s happening in this area is coming from a relatively small group of people sharing their pictures. That’s because Google and OpenAI have not made the technology broadly available to the public.
The text-to-picture services identify the most important parts of a user’s text and then guess the best way to picture those terms. There’s generally a text box, a button to start the generation process and an area below to display images. To indicate the source. Google and OpenAI add watermarks in the bottom right comer of images from DALL-E and Imagen.
Engineers trained the models on various collections of words and pictures from the web. OpenAI recognizes the potential for harm that could come from a model. To avoid the risk, employees removed violent content from training data, and there are filters（筛选）stopping DALL-E from producing images if users submit（提交）violent or illegal content.
Boris Dayma, a developer from Texas spelled out the problems in an explanation of their software. Despite the risks, Dhariwal, a research scientist at OpenAI, said it could open up creative opportunities for individuals and could help with commercial applications for dressing up websites. Results should continue to improve over time.
| A．Beautifying pictures at users’ request. |
| B．Producing pictures from human words. |
| C．Changing pictures into vivid descriptions. |
| D．Providing pictures for users to choose from. |
| A．Its users’ rights. | B．Its operating conditions |
| C．Its working process. | D．Its company’s prospect. |
| A．All images come from a unified model. |
| B．The training data is selected beforehand. |
| C．Improper requests can’t be submitted. |
| D．Filters remove the unhealthy description. |
| A．Positive. | B．Objective. | C．Uncertain. | D．Worried. |
2 . Picture the scene: you’ve spent years working towards a very specific goal. You’ve put in countless hours of work and made many efforts along the way, but now that you’ve got there it doesn’t feel quite like you imagined. Instead of celebration, you feel emptiness, confusion and doubt.
Welcome to the anti-climax. The often-experienced but seldom-discussed downside of achieving life’s biggest milestones. Many of us work tirelessly towards our goals. We may spend our lives dreaming of the day we get married, publish our first hook or buy our first home. However, oftentimes, when we achieve these things it doesn’t feel quite as expected. In fact, the achievement of these goals feels a bit of a letdown.
So why do we often experience an anti-climax with big goals, even though we’re happy to achieve them? “An anti-climax can be an unexpected by-product of a milestone achievement. Usually, the more significant the milestone, the greater the anti-climax may be. The intensity（强度）of an anti-climax often relies on what we expect of this achievement.” says Rachel Vora. a psychotherapist（心理治疗师）.“The journey to achieving a milestone can he exciting and tiring in addition to giving us a sense of purpose and focus. Therefore, when this disappears overnight. we can often feel lost and confused, in spite of feeling proud of our achievement.
When this happens it can contribute to a mixture of emotions. We often falsely believe that we’ll feel completely different afterwards or that our feelings of low self-worth will disappear, but this is rarely the case. “Clients（客户）often present to me with an extremely great sense of ‘is this it?’ and ‘what now?’.” says Vora. “These feelings of confusion and disappointment, if let ignored, have the potential to cause clients to be in low spirits, or even worse.”
1. Why does the author mention the examples in paragraph 2?| A．To present a fact. | B．To prove a rule. |
| C．To explain a term. | D．To make a prediction. |
| A．Low self-worth. | B．High expectations. |
| C．Sense of purpose. | D．Unexpected achievements. |
| A．Amy felt empty before giving a speech. |
| B．Jack felt lost after his first novel came out. |
| C．Mary felt proud when she joined a ballet club. |
| D．Tom felt doubtful about taking further education. |
| A．How to hold back feelings. |
| B．How to improve self-worth. |
| C．Hon to identify the anti-climax. |
| D．How to deal with the anti-climax. |
3 . Humans have been living and working on the space station for 20 years. Their meals are packaged, though sometimes astronauts receive fresh treats from resupply missions. The longer that packaged food is stored, the more it loses nutrients like vitamin C and vitamin K.
Astronauts have successfully grown 10 different crops on the space station since 2015 and had the chance to sample each one. The International Space Station hosted a party for astronauts on Friday as they celebrated the harvest of the first Chili (辣椒) grown in space. The crew finally had a chance to taste the peppers after initially kicking off the plant experiment on the space station in July.
Plant Habitat-04 is one of the most complex plant experiments on the orbiting laboratory to date because peppers take much longer to grow than the previous experiment plants. After growing for four months, the peppers were harvested on Friday.
Peppers provide a great source of vitamin C, as well as other key nutrients. Pepper plants self-pollinate, so they are easy to grow, and they are a pick-and-eat crop that doesn’t have to be cooked. They are also safe to eat raw.
A side effect of life in zero gravity is that astronauts often lose some of their taste and smell, so spicy or well-seasoned foods are a favorite. Adding fresh greens or peppers to the menu allows astronauts to liven up their regular meals. But growing and tending to the plants can also produce other benefits.
Astronauts have described the joy from seeing—as well as smelling and caring for—leafy green plants on the space station that remind them of Earth.
“Growing colorful vegetables in space can have long-term benefits for physical and psychological health,” said Matt Romeyn, principal investigator for the experiment.” We are discovering that growing plants and vegetables with colors and smells helps to improve astronauts’ well-being.”
1. What does underlined “kicking off” in the 2nd paragraph mean?| A．Launch. | B．Complete. | C．Quit. | D．Announce. |
| A．The technology. | B．Growing process. |
| C．The varieties of plants. | D．Growing time required. |
| A．They are delicious. | B．They restore their appetite. |
| C．They help kill diseases. | D．They improve their memory. |
| A．The Fun in the Space Life |
| B．The Common Goal in the Space Mission |
| C．The First Chili Peppers Grown in Space |
| D．A Research Finding from the Space Mission |
4 . Climate breakdown threatens to cause a global food production crisis. The UN forecasts that by 2050, feeding the world will require a 20% expansion in global water use for agriculture. It is hard to see how agriculture can feed the population of the planet, let alone toward the end of the century and beyond. Agriculture is a major cause of climate breakdown, and both river and air pollution. Industrial fishing is similarly driving ecological collapse in seas around the world.
However, at this critical time, farming (a new kind of food technology) is creating astonishing possibilities to save both people and the planet. Farming will enable the return of vast areas of land and sea to nature, greatly reducing carbon emissions (排放物). It means an end to the employment of animals, a stop to overfishing, and a dramatic reduction in cutting down forests and the use of pesticides (杀虫剂). It is the best hope for stopping the destruction of the planet and, if it is done right, it means cheap and abundant food for everyone.
We are about to welcome one of the biggest economic transformations, of any kind, for 200 years. Arguments continue about plants against meat-based diets; however, new technologies will soon make these arguments irrelevant. Before long, most food will come neither from animals nor plants, but from micro-organisms (微生物).
Not only will food be cheaper, it will also be healthier. Due to the fact that farming creates food products built up from simple components rather than broken down from complex ones, hard fats and other unhealthy components can be screened out. Meat will still be meat, but it will be grown in factories rather than in the bodies of animals. Fats will still be fats, but food is likely to be better, cheaper and much less damaging to the living planet.
1. What is the major cause of sea ecological breakdown?| A．Food production. | B．Global farming. |
| C．Industrial fishing. | D．Climate breakdown. |
| A．Its benefits. | B．Its security. | C．Its research. | D．Its limits. |
| A．Sea animals. | B．Wild plants. | C．Micro-organisms. | D．Farm products. |
| A．Doubtful. | B．Positive. | C．Disapproving. | D．Unclear. |
5 . Born in California and representing the United States before switching to China, teenager Gu Ailing will be most likely to be one of the faces of the 2022 Beijing Winter Olympics.
The 17-year-old is a freeskier(自由式滑雪运动员) and grade-A student with an American father and Chinese mother. She grew up and still lives in the United States, but in June 2019 she made the “quite difficult” decision to compete for China. She wrote on Instagram that she was “proud of my heritage and equally proud of my American upbringings (培养)”.
As for the decision to compete on behalf of China, she said it is “valuable opportunity to help inspire millions of young people in China where my mom was born.”
Gu graduated from a San Francisco high school last year and is focusing on her Beijing 2022 training. It is reported that She scored 1,580 points out of a maximum 1,600 in the SAT (美国大学入学考试), and has been offered a place at Stanford.
Gu started on the snow at the age of 3, was competing in national competitions at 9 and won her first World Cup event at 15. She won two gold medals and a silver for China at the 2020 Youth Olympic Games in Lausanne, Switzerland. On Jan. 30th, 2021, Gu made her debut(首次亮 相) at the X Games in Aspen, Colorado and won two golds and a bronze.
“My goal is to win Olympic gold,” she told the official Olympic website. “It’s the top achievement. And that would be rewarding for all the work that I’ve done to achieve greatness in the sport.”
1. What do we know about Gu Ailing?| A．She grew up in China. | B．She is an average student. |
| C．She will graduate from a high school. | D．She decided to compete for China. |
| A．Helpful and knowledgeable. | B．Modest and hard-working. |
| C．Clever and ambitious. | D．Creative and confident. |
| A．Gu Ailing won her first World Cup event at 15. |
| B．Gu Ailing’s achievements as a freeskier. |
| C．Gu Ailing’s training when she was young. |
| D．Gu Ailing learned to do snow sports in China. |
| A．Gu Ailing—An American Freeskier | B．Gu Ailing—A Stanford Graduate |
| C．Gu Ailing—A talented Chinese Freeskier | D．Gu Ailing—An Olympic Champion |
