【新】万试通五年英语解析版真题（2025-2021）_202601071054...

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What would be the next step for the Carter Lab team?

Coffee makes you happy. The researcher David Warburton observed what I could have told him without writing a study. A low dose of caffeine(咖啡因) can lead to a "significant increase in happiness and calmness and decrease in tenseness". He also noted that, among the study participants, these effects did not come from alleviating a desire from a caffeine addiction; the effect was true, pure, and wonderful. A miracle really. Caffeine is a gift in ways besides happiness. Combined with exercise, it can improve cognitive performance(that means it makes you smarter), and if you've been sleeping less than optimally, it can enhance your reaction time and logical reasoning abilities. Remember this as you head out in traffic: The life your coffee saves could be your own. Nothing in life is free, of course. Consuming more caffeine over time may lead to a state of tolerance, in which caffeine has a smaller effect after chronic use. However, this "problem" is really just an opportunity to enjoy more coffee. Some people believe that the solution to tolerance is to ___. My wife is one of them: Recently, noticing the increases in my consumption over the years, she innocently proposed that I "take a little break" from coffee. The very suggestion made me fly into a rage. "Here's an idea," I replied, heart rate soaring. "Why don't we just live apart for a year so it feels more like it did when we were first married?" An overreaction? I think not. I'm at peace with the long-term effects of my devotion to coffee. Research from Japan shows that habitually drinking coffee reduces all-cause mortality. Studies in mice suggest that it does so by, among other things, encouraging autophagy, the biological process of cleaning out cellular trash, which naturally slows as we age. Coffee has also been found to reduce levels of fatty acid in the blood of aged mice, which has been linked to diabetes and cancer in humans. Assuming that coffee does keep me alive for an extra few days or decades, I know how I'll spend them: drinking more coffee, of darker and darker roasts, whose strong smell helps combat age-related loss of taste and smell.

The "miracle" in the first paragraph refers to____.

Caffeine brings the following benefits EXCEPT ____.

The phrase "hit the reset button"(Para.4) means“____”.

What is the effect of drinking coffee regularly, according to Japanese research?

What does the author indicate in the last paragraph?

Humans help each other—it's one of the foundations of civilized society. But a new study by scientists at the University of California, Berkeley, reveals that a lack of sleep weakens this fundamental human attribute, with real-world consequences. The study, led by UC Berkeley research scientists Eti Simon and Matthew Walker, adds to a growing body of evidence demonstrating that inadequate sleep not only harms the mental and physical well-being of an individual, but also compromises the bonds between individuals. In the study, the scientists placed 24 healthy volunteers in a functional magnetic resonance imager(fMRI)(核磁共振成像仪)to scan their brains after eight hours of sleep and after a night of no sleep. They found that areas of the brain that form the mind network were less active after a sleepless night. "When we think about other people, this network engages and allows us to comprehend what other people's needs are: What are they thinking about? Do they need help?" Simon said. "However, this network was markedly impaired when individuals were sleep deprived. It's as though these parts of the brain fail to respond when we are trying to interact with other people after not getting enough sleep." The scientists also tracked more than 100 people online over three or four nights, and measured the quality of their sleep—how long they slept, how many times they woke up—and then assessed their desire to help others, such as holding an elevator door open for someone else, volunteering or helping an injured stranger on the street. They found that a decrease in the quality of someone's sleep from one night to the next predicted a significant decrease in the desire to help other people from one subsequent day to the next. Looking at the big picture, a lack of sleep makes people less sympathetic and less generous. "Sleep, it turns out, is an incredible lubricant to connected and generous human behavior," Simon said. "It is time as a society to abandon the idea that sleep is unnecessary or a waste and, without feeling embarrassed, start getting the sleep that we need. It is the best form of kindness we can offer ourselves, as well as the people around us."【缺少答案，请补充】

What can be learned about the study by Simon and Walker?

What did the fMRI result indicate about the mind network?

What did the scientists find after tracking people online and measuring their sleep?

What does Simon emphasize in the last paragraph?

Which of the following can be the best title for this passage?

With the cost-of-living crisis biting, more people are considering living in alternative housing, particularly vans and houseboats. A recent study found that 51% of millennials(千禧一代)would be willing to live in an alternative dwelling to get a foot on the first step of the ladder, with 53% saying they would live in a van, and 33% up for living in a houseboat. When you live in a van, there's no mortgage or rent to pay, and there aren't any utility bills. Your main expense will be petrol for the van, so you can lower your costs even further by staying in one place for as long as possible. This allows you to work fewer hours if you choose. Living in a van can be a liberating experience. Working less gives you more time to travel, enjoy hobbies, work on side projects, or simply relax and enjoy yourself. Van life can seem enticing, with its reduced expenses and enhanced freedom. However, this lifestyle comes with many challenges and isn't always as glamorous as it is portrayed on social media. Keeping yourself clean is one of the challenges of this lifestyle. A survey found that 28% of van lifers shower at the gym, 21% use built-in van showers, and 20% use campsite facilities, which normally come with a fee. A combined 13% said they bathe with baby wipes, or in rivers or seas. Although there is a range of sizes of vans and houseboats, none will offer you the same amount of space as most conventional homes. There are times when you feel very packed. Comment 1 Using a toilet while living in a van isn't always an enjoyable topic to discuss. Some van dwellers use "pee bottles" or simply relieve themselves in the "open space" outside the van. This isn't for everyone. Comment 2 We're always on our own schedule and have been able to experience each destination a totally different way. If we end up really liking a specific spot, we can choose to stay longer if we want. Comment 3 The size of the van can make for constant re-organization of things, and a lot of bumping elbows. Comment 4 If your van or boat breaks down and needs to be repaired or replaced, this can leave you in a tricky situation as it is your home. Ours took almost a month to fix, and we had to get it towed 200 miles. Since we had to stay with family out of town we weren't able to work.【缺少答案，请补充】

What makes more people think about living in vans and houseboats?

What might be the biggest expense if you choose to live in a van?

The word "enticing"(Para.3)probably means “____”.

Which comment agrees that vans and houseboats do not offer enough space?

Which comment indicates the conveniences of living in vans?

Artificial intelligence (AI) is more present in our lives than ever. With varied uses, AI can 46 what we want to see as we browse social media, 47 helping to solve global challenges like hunger, environmental changes, and epidemics. This technology has countless 48 in the real world. A McKinsey survey illustrates that AI adoption followed a(n) 49 trend in the year 2021 and continues to do so. According to the survey, “56 percent of all respondents 50 AI adoption in at least one function.” However, AI technology is not always 51. AI can violate privacy, AI-generated output cannot always be explained, and AI can be 52. When the data feeding an AI system is not representative of the diversity and popularity of our societies, it can 53 discriminatory outcomes. An often-cited example is facial recognition technology. Used to access mobiles and bank 54, it's also being increasingly employed by law enforcement authorities. With emerging problems accurately identifying women and darker-skinned people, facial recognition is far from being perfected. This is not surprising when you look at how AI is developed: Only 1 in 10 software developers worldwide are women. 55, developers come overwhelmingly from western countries. Therefore, AI ethics policies should be formulated from the start.