2023届高三英语二轮复习3月份时文阅读训练(含答案)

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Seagrass meadows（海草床）are wonder plants growing beneath the sea. They feed and shelter sea life and are masterful at storing carbon. Thanks to the assistance of tiger sharks, a huge seagrass meadow in the Bahamas Banks was recently discovered, offering the world a tool to fight climate change.
Seagrass has usually been detected by Earth-orbiting satellites that identify darker patches in the blue water. In this study, tiger sharks were selected as research tools due to their highly consistent associations with seagrass ecosystems. They spend 70% of their time in seagrass meadows. The team equipped eight tiger sharks with satellite tags, seven sharks with camera tags, and used a 360-degree camera on a shark for the first time ever.
The data researchers collected was astonishing. The world’s largest seagrass ecosystem, measuring at least 66,900 square kilometers, has been discovered. This reflects a 41% increase from previous estimates of global seagrass. Seagrass can capture（捕获）huge quantities of carbon by photosynthesis and stores it on the seafloor. In terms of climate change, this is excellent news; seagrass is 35 times faster at removing carbon than tropical rainforests. When referred to global seagrass carbon stock estimates, the study indicates that seagrass in the Bahamas may contain 19.2% to 26.3% of all the carbon stored in seagrass meadows on Earth.
Yet seagrass meadows are rapidly disappearing, with over 92% of meadows in the UK gone, according to the World Wildlife Fund. Scientists are collecting seeds and trying to grow new seagrass meadows through restoration projects. This new discovery offers optimism and proves the importance of the ocean for healing.
The sharks led us to the seagrass ecosystem in the Bahamas, which we now know is likely the most significant blue carbon sink on the planet. What this discovery shows us is that ocean exploration and research are essential for a healthy future. The untapped potential of the ocean is limitless. These meadows can be protected and can be replicated, offering hope for climate change around the globe.
1. Why were tiger sharks chosen as research tools
A. They are more flexible than other sea animals.
B. They can quickly adjust themselves to the deep sea.
C. They can be easily equipped with experimental devices.
D. They have a strong connection with seagrass ecosystems.
2. What are the numbers in paragraph 3 mainly about
A. The decline of global seagrass meadows.
B. The impact of climate change on sea life.
C. The rapid increase in the amount of carbon on Earth.
D. The potential value of the world’s largest seagrass ecosystem.
3. What are scientists doing to protect seagrass
A. Planting more seagrass meadows.
B. Developing new technology to collect seeds.
C. Mapping the distribution of seagrass meadows.
D. Encouraging people to join in restoration projects.
4. Which could be the best title for the text
A. The New Way of Removing Carbon
B. The Significance of Ocean Exploration
C. A New Discovery: World’s Largest Seagrass Meadow
D. Tiger Sharks: Scientists’ Essential Helper to Study Climate
答案：DDAC
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The topic of China’s “slash youth” has fueled heated debate on social media recently, drawing attention to the diverse pursuits of the younger generation.
The slash youth, which could also be called slashers or slash-generation — means those who refuse to be defined or bound by just one personal identity. They are keen to present themselves as multiple and sometimes distinct identities, such as a nurse and model, a teacher and stand-up comedian, and an engineer and band player. Rather than material comforts, they pursue meaningful achievement.
A diverse career can enable them to develop new experiences and talents as well as social and professional networks, leading to greater flexibility in life and work, recognition and satisfaction.
A study on “slash youth” published in the China Youth Research magazine analyzes the background of this phenomenon: with part of modern society’s structured organization and stability norms（规范）are broken, flexible labor markets and structural unemployment has emerged, eliminating the sense of job security of the young people in employment. Young people also face the dilemma of self-actualization（自我实现）, including the sense of powerlessness, lost sense of value and lack of self-identity in the profession, which forces them to re-find the meaning of work.
“The ‘slash life’ shows that our society is becoming more and more diversified and inclusive, and it welcomes everyone’s self-fulfillment,” said Shi Yanrong, an associate researcher from Tianjin Academy of Social Sciences. “Young people no longer have to rely on work and money for their sense of self-worth. They tend to create their own identities.” The researcher added that against the background that people have multiple interests and are willing to pay for these interests nowadays, the “slash life” of the youth would drive the growth of a new economy, just as animation（动漫）culture affected the market.
1. What do we know about the slash youth
A. They tend to undertake multiple careers.
B. They are keen to pursue material comforts.
C. They enjoy posting themselves on social media.
D. They can easily adjust themselves to challenges in life.
2. What is paragraph 4 mainly about
A. The importance of flexible labor markets.
B. Reasons for the emergence of slash youth.
C. Young people’s pursuits in their profession.
D. Causes of losing self-identity among the youth.
3. What does Shi Yanrong think of the slash life
A. It can raise the economic growth.
B. It helps increase people’s independence.
C. It inspires young people’s creativity at work.
D. It enables young people to earn high incomes.
4. What is the purpose of the text
A. To provide career guidance.
B. To analyze a cultural difference.
C. To introduce a social phenomenon.
D. To share a unique life experience.
答案：ABAC
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What’s the first thing that pops into your mind when you think of wheat straw Most people would probably just see it as a pile of waste in a farmer’s field. However, Wu Cui, an intangible cultural inheritor, can turn the straw left over from harvested wheat into beautiful and eye-catching functional artworks.
The earliest straw-weaving（草编的）products were discovered at Hemudu Cultural Ruins, a Neolithic cultural site located in eastern China’s Zhejiang province. The Book of Rites, one of the classical works of Confucianism, also records that there were already mats made of cattail grass and professional straw-weaving craftsmen during the Zhou Dynasty (c.11th century-256 BC).
Straw weaving is a method of manufacturing daily items or artworks. It was listed as a national intangible cultural heritage in 2008.
Wu explains the process of straw weaving: selection of materials is the first step of a complicated, time-consuming and labor-intensive process that can take weeks, or even months, to complete. You need to sketch（素描）the piece on paper, which requires drawing skills. Next comes weaving, shaping and preserving of the work. Even by finishing that process, it does not mean that you will always create a good piece of work, and the hardest part is to make it lifelike.
In the past, woven straw items could be found almost in every household in the countryside, such as straw hats and straw shoes, because they were practical in everyday life. But due to the impact of industrialization, manufactured goods have replaced such products, which yield low profits, and there are only about 100 individuals engaging in the work across the country. “The world has changed, and craftsmen need to transcend practicality and pursue the beauty and artistry of straw culture to help the craft survive and thrive,” Wu says.
From her perspective, straw weaving should respond to people’s needs and preferences, while still drawing inspiration from traditional culture. “Craftspeople should make a great effort to grasp the trends and opportunities of the times to create new and relevant products,” she says. When asked about her plans, Wu says she wants to dig deeper into local traditional culture and create cultural creative products by developing the straw-weaving technique.
1. What does paragraph 2 mainly tell us about straw-weaving products
A. Their major uses.
B. Their cultural value.
C. Their historic origins.
D. Their manufacturing process.
2. Which is the most difficult part for straw-weaving craftsmen according to Wu Cui
A. Making the artworks vivid.
B. Drawing sketches on paper.
C. Selecting suitable materials.
D. Preserving finished products.
3. What does the underlined word “transcend” in paragraph 5 probably mean
A. Rely on.
B. Turn to.
C. Cast away.
D. Go beyond.
4. What can we learn from Wu Cui’s opinion according to the last paragraph
A. Straw-weaving products are out of favor with customers.
B. Pursuing fashion should be the first priority for craftspeople.
C. Local people benefit a lot from the straw-weaving techniques.
D. Craftsmen should innovate the craft based on traditional culture.
参考答案：CADD
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Not all fat is created equal, according to several new studies. We all know there’s good cholesterol（胆固醇）and bad cholesterol. It turns out there’s good and bad fat, too. Good fat is medically known as “brown fat”.
Brown fat, typically found in the neck and shoulders of newborns, has the ability to burn lots of calories, which serves the purpose of keeping them warm. It makes up about 5 percent of an infant’s total body mass. We lose most of our brown fat as we age. By age six, we have less than 5 percent of the brown fat we were born with; the fat we gain over time is almost all white fat.
Researchers now believe that some people maintain brown fat deposits into adulthood. Brown fat — the “good” kind — is metabolically（新陈代谢地）efficient and actually burns excess energy to generate heat. But white fat — considered the “bad” kind — is a way for your body to store excess energy that accumulates when you consume more calories than you use. It is widely distributed throughout the body. And it doesn’t use much energy, is hard to burn off, accumulates, and causes other health problems.
Some studies suggest that taking a cold shower or an ice bath could activate（激活）brown fat to help your body burn more calories. Researchers have also found methods that may help people gain brown fat without the need for cold. You build fat from the foods you eat. As brown fat is rich in iron, choosing iron supplements or food items rich in iron can keep your fat cells healthy. Nutrition is vital for your health, especially if you want to increase brown fat production.
One of the major causes of shortened life spans and the growth in chronic illnesses like osteoarthritis, diabetes, and many cancers is the increasing level of white fat. Though converting existing white fat into brown fat is helpful to increase brown fat, some scientists think they will learn how to keep stores of brown fat as large and active throughout adulthood as they are in infancy: The goal should be to maintain brown fat forever rather than having to recreate it.
1. Who has more brown fat according to the text
A. A teenage girl.
B. A college student.
C. A new-born baby.
D. An elderly professor.
2. How is brown fat different from white fat
A. It can help prevent health problems.
B. It burns calories with higher efficiency.
C. It is distributed in the neck and shoulders.
D. It stores excess energy in the human body.
3. What is paragraph 4 mainly about
A. Ways of increasing the amount of brown fat.
B. The significance of keeping fat cells healthy.
C. The key role of nutrition in brown fat production.
D. Effects of the temperature on activating brown fat.
4. What do scientists expect to figure out
A. How to recreate more brown fat.
B. How to turn white fat into brown fat.
C. How to evaluate the risks of white fat.
D. How to maintain the early level of brown fat.
参考答案：CBAD。