2025届高考英语外刊阅读天天练 综合训练 六(含答案)

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名称 2025届高考英语外刊阅读天天练 综合训练 六(含答案)
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更新时间 2025-02-09 22:09:59

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2025届高考英语外刊阅读天天练 综合训练六
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①DeepSeek: A Chinese upstart terrifies Silicon Valley
【The Week USA (February 7, 2025)】
Nobody saw DeepSeek coming, said Stu Woo and Raffaele Huang in The Wall Street Journal. The Chinese AI startup that this week triggered a $1 trillion sell-off in tech stocks “grew out of a hedge fund that uses artificial intelligence to find profitable trades in financial markets.” Stuck with limited access to cutting-edge semiconductors, due to Washington’s ban on chip exports to China, DeepSeek had to get resourceful. Rather than searching its whole knowledge base, like “a librarian who has read all the books in the library,” DeepSeek activates only the necessary portions of its system to “hunt out the right book,” cutting down on time and energy. These shortcuts helped it “train AI at a fraction of the cost of competing models,” and yet its latest models, R1 and V3, are comparable to the best that American firms have to offer. Its breakthrough has challenged assumptions about the effectiveness of U.S. export controls—and about the massive spending needs of tech giants.
Marc Andreessen, the prominent venture capitalist, dubbed DeepSeek’s arrival“AI’s Sputnik moment,” said the Financial Times in an editorial, and there are undeniable parallels.“Ingenuity helped Soviet engineers keep pace with and sometimes surpass U.S. rivals”in their race to the moon. Similarly, DeepSeek looks to be a“formidable competitor”to OpenAI, Google, and Meta at a much lower cost. Last week, Meta announced it would spend $65 billion on AI this year. DeepSeek claims it trained its model with $5.6 million. Consider this a wake-up call for Wall Street and Silicon Valley, said Parmy Olson in Bloomberg. Silicon Valley likes to talk about the“moat” protecting its lead. The tech Goliaths were focused on“topping the benchmark rankings in an ego-driven, my-model-is-bigger-than-yours contest.”It turns out that spending“huge sums of money alone can’t keep competition at bay.”
This is also a warning about China’s“intention to play hardball in the war for tech and economic dominance,” said Charles Gasparino in the New York Post. It’s one thing to lose to China“in the making of shirts.”But losing our edge in AI innovation as“it creates advances in medicine, powers how we consume news, and prepares our military,” means“we are toast as a superpower.”Experts in artificial intelligence were sure that the U.S. “had a lead of at least several years,”said Kevin Roose in The New York Times. Throw those assumptions out the window. In their place are fresh“concerns about what it would mean”if China took the lead in AI development---especially if Chinese censorship, surveillance, and propaganda gets“embedded across the industry.” Welcome to a“new era of AI brinkmanship.
Which of the following statements concerning DeepSeek is true
DeepSeek has been highly profitable in financial markets, potentially involving stocks worth trillions of dollars.
DeepSeek is time-efficient and energy-saving on account of its pioneering semiconductors
The latest models offered by DeepSeek are on par with the top models provided by American companies.
The Chinese AI startup spends massively on the cost of latest AI models
Why did Marc Andreessen recognize DeepSeek’s arrival as AI’s Sputnik moment
DeepSeek seems to be a competitive rival to its powerful Silicon Valley counterparts
It is DeepSeek that assists Soviet engineers keep pace with and sometimes surpass U.S.
The AI competition around the world equals the previous race to the moon between U.S. and Soviet Union
OpenAI, Google, and Meta claim that they will continue to spend huge sums of money
What does the underlined phrase “be toast” mean according to the passage
To raise someone to a higher position or rank
B.To be likely to be unsuccessful
C.Lay off doing something
D.Maintain one’s efforts
What’s probably the best title of the passage
DeepSeek's Rise and the Future of Tech
China's AI Breakthrough: DeepSeek
The Dawn of a New AI Era
D. DeepSeek Challenges U.S. Tech Dominance
②Global study shows species are losing diversity
【Science (January 31, 2025)】
Genetic variation is what allows a species to adapt as climate changes, new diseases arise, and novel predators come on the scene. A slightly different genetic makeup can ensure at least some individuals will still do OK in times of crisis. But just as the number of species is declining worldwide, so, too, is the genetic diversity within many species, an international team reports this week in Nature.
The first step toward slowing the trend is understanding it. Conservation biologist Catherine Grueber from the University of Sydney and scores of colleagues assembled 882 papers written between 1985 and 2019 that traced diversity changes within individual species by analyzing their DNA at at least two time points. Of the 628 species discussed, 70 were birds, 134 were mammals, 131 were bony fish, and 72 were flowering plants. The team used sophisticated statistical analyses to make the data comparable, enabling them to identify trends and correlate loss of genetic diversity with floods, habitat destruction, or other disturbances. They also tracked what happened in the face of various conservation measures, such as legally protecting a species or setting aside and protecting habitats.
Two-thirds of the populations analyzed exhibited a decline in diversity, Grueber and her colleagues report. That included species already known to be at risk, such as the kakapo, a ground-living New Zealand parrot that suffers from inbreeding and infertility. It also included more common species such as the black-tailed prairie dog and the house sparrow. The implication is that those species may be less resilient than expected during environmental change, says Alicia Mastretta-Yanes, a conservation geneticist.“We must halt the loss of genetic diversity.”
Some conservation efforts, such as ecological restoration or reducing pests, didn’t help much, the analysis found. But certain actions did seem to help, such as efforts to expand and protect habitat, introduce new individuals to dwindling populations, or connect two isolated populations.“It was pretty impressive they were able to track what human disturbance and conservation actions had done,”says Moisés Expósito Alonso, an evolutionary geneticist who authored a preprint last year indicating that protecting existing habitat won’t be enough to prevent genetic diversity losses for many species.“We needed something like this,”he says of the Nature study.
1. What is the main reason genetic variation is important for species
A. It helps species to migrate to new habitats.
B. It allows species to adapt to environmental changes.
C. It increases the number of species globally.
D. It prevents species from becoming predators.
2. How did Catherine Grueber and her team conduct their research
A. By observing species in their natural habitats.
B. By analyzing DNA from species at different time points.
C. By interviewing conservation biologists.
D. By creating new species in laboratories.
3. Which of the following species was mentioned as suffering from inbreeding and infertility
A. Black-tailed prairie dog.
B. House sparrow.
C. Kakapo.
D. Bony fish.
4. According to the study, which conservation action was found to be effective
A. Ecological restoration.
B. Reducing pests.
C. Expanding and protecting habitats.
D. Legal protection of species alone.
七选五
Astronomers urge pause to Starlink launches
【Astronomy (March, 2025)】
Citing environmental concerns, 120 astronomers and researchers implored the Federal Communications Commission (FCC) in an Oct. 24 letter to halt launches of internet satellites like SpaceX’s Starlink. ___1__
The number of existing satellites has increased by a factor of 12 in the last five years, with SpaceX alone launching around 60 percent of them. ____2__
Increasingly, researchers have flagged potential environmental impacts from satellite megaconstellations -----not only in emissions from launches but also metals burning up in the atmosphere when satellites reenter. ___3___ And a study published in June projected that the continuous disposal of megaconstellation satellites in the atmosphere would release nearly 400 tons of aluminum oxide compounds annually into the upper atmosphere, which could significantly deplete the ozone layer.
_____4___ They must then be replaced by subsequent launches. ___5____But the letter argues that unfettered competition between multiple megaconstellations should not be placed above possible environmental harms.
A.Such satellites have increased global internet access.
B.To avoid the possibility of long-term defunct space junk, satellites in large megaconstellations are placed in a low orbit so that they naturally deorbit after five years.
C.And in 2022, the U.S. Government Accountability Office (GAO) predicted 58,000 satellites would be launched by the end of the decade.
D.The American Astronomical Society (AAS) sent a letter to policymakers detailing similar concerns Sept. 27.
E.The American Astronomical Society(AAS)estimated that a 42,000-satellite constellation would deposit at least 8,000 tons of metals into the atmosphere annually.
F.The letter calls on the FCC to end its practice of categorical exclusions for satellites
G.The letter also urged FCC Space Bureau Chief to investigate the potential negative environmental and health impacts of the vast projected increase in satellites.
CABD
BBCC
GCEBA