1 . During the COVID-19 pandemic, Julia began her second year as a first grade teacher in an online classroom. One September afternoon, she received a call from and Cynthia, who was having technical difficulties with her granddaughter's tools for online learning.
Julia immediately knew something was wrong with Cynthia. The two women had spoken many times before, but Julia had never heard she sounded like this. Her words were so jumbled that Julia could barely understand her. Julia called her headmaster, Charlie, who convinced her that he would call and check on Cynthia himself.
Just like Julia, Charlie could barely understand Cynthia. He suspected she might be having a stroke (中风) — he recognized the signs from when his own father had suffered one. Charlie immediately became concerned that Cynthia's two grandchildren, ages six and eight, were probably home alone with her and scared. Charlie asked his office manager to send an ambulance to the grandmother's home.
The quick response from Julia and Charlie saved Cynthia's life. She arrived at the hospital in time to get treatment before long-term damage occurred. Thanks to an extended stay in the hospital, she has regained most of the movement throughout her body except for one hand and a region of her mouth.
“I'm proud of the people I work with, that they responded so quickly and that it did make a difference to Cynthia,” says Julia. “I am so pleased to be part of such a caring community.” But the school's crisis response is only one piece of the community's extraordinary efforts to help Cynthia and her granddaughters. Another family with young children took in the two girls.
Virtual learning has been a challenge across the country, but it's fair to say that it has helped the community grow closer. Many teachers there gave their personal phone numbers to students and families in case they needed extra help. In this case, the exchange was literally life-altering.
1. Cynthia called Julia in order to .| A．complain about the poor contents of online learning |
| B．consult about her granddaughter's academic performance |
| C．seek some help for lack of certain technical knowledge |
| D．volunteer her services as a teacher in an online classroom |
| A．brief |
| B．unclear |
| C．gentle |
| D．impolite |
| A．By recalling his own previous sufferings from the disease. |
| B．By using his professional knowledge to form the judgment. |
| C．By combining Julia's call with the granddaughters' description. |
| D．By identifying the symptoms that a stroke patient may have. |
| A．It has caused much inconvenience to parents. |
| B．It will bring about unavoidable leak of privacy. |
| C．It has provided more benefits than challenges. |
| D．It needs technical guidance to be highly effective. |
2 . The joy of giving is real, according to a study. Research presented in the Journal of the Association for Psychological Science shows that those who give gifts are happier — and happier for longer — than those who receive gifts.
Researchers conducted two studies last year. In one，participants were given $5 every day for five days and were required to spend the money on the same thing each day. Some participants were required to spend the money on themselves, while others were required to give to make a donation to charity. In a second experiment that was done online, participants played 10 rounds of a word puzzle game and each won 5 cents per round, which they could keep or donate.
In both experiments, participants reported their overall happiness. Those who donated their money showed that their happiness declined at a much slower rate than those who kept the money or spent it on themselves.
The researchers note that when people focus on an outcome, they can easily compare outcomes, which may diminish their sensitivity to each experience. When people focus on an action, they may focus less on comparison and instead experience each act of giving as a unique happiness-inducing event. Further analyses ruled out some potential alternative explanations, such as the possibility that participants who gave to others had to think longer and harder about what to give, which could promote higher happiness.
The results are especially interesting because according to one of the researchers, Ed O’Brien of the University of Chicago Booth School of Business, they conflict with past research. “If you want to sustain happiness over time, past research tells us that we need to take a break from what were currently consuming and experience something new. Our research reveals that the kind of thing may matter more than assumed: Repeated giving, even in identical ways to identical other，may continue to feel relatively fresh and relatively pleasurable the more we do it,” O’Brien said.
So for all the holiday gifts you give this season, expect to feel happy and know that feeling is going to stick around for a while.
1. What’s the function of the first paragraph?| A．To lead to the topic. |
| B．To highlight the importance of the study. |
| C．To recommend a journal. |
| D．To persuade people to give gifts regularly. |
| A．To challenge the past research. |
| B．To rule out different experimental data. |
| C．To show the benefits of donation. |
| D．To make the conclusion more convincing. |
| A．Develop. | B．Show. | C．Reduce. | D．Lack. |
| A．Gift giving will result in longer happiness than receiving. |
| B．Thinking longer and harder on giving will promote higher happiness. |
| C．The feeling of happiness will disappear soon if people just give holiday gifts. |
| D．Taking a break from what were currently consuming will sustain happiness. |
3 . Being trapped in an elevator(电梯) can be one of the worst experiences of one’s life. Some people who have such experiences may be afraid to use elevator again. In fact, there are some useful tips to follow when people are in trouble with the elevator.
First, take deep breaths and keep calm. Too much fear will add to your panic(恐慌) and make you too nervous to think clearly. Tell yourself to be patient and believe that nothing is impossible.
Secondly, use the emergency(急救) call inside the elevator or your mobile phone to let people outside know your are stuck in the elevator. There is an emergency call on the wall of each elevator. You may use your mobile phone to give light and find it. The phone number can be found around it.
Thirdly, putting on messages on Wechat(微信) is also a good idea to allow more people to find you are in need of help. If help hasn’t come, knock the door hard to get attention from other people in the building.
Fourthly, move less and try to relax. Even if the workers have known your situation, it may take them a long time to repair the elevator and bring you back to safety. Instead of keeping moving all the time, you are advised to keep still and relax yourself as much as possible, or you will make yourself tired out. Make sure that you are fine when the door is open.
1. According to the passage, when in trouble with an elevator, you should________ first.| A．Keep calm and think clearly | B．do nothing but wait |
| C．shout out for help | D．try to break the door open |
| A．tired | B．kept |
| C．troubled | D．trapped |
| A．they can spend their time easily |
| B．their situations can be known by more people |
| C．they can become less nervous |
| D．they can make more friends |
| A．To introduce how to use an elevator. |
| B．To teach us how to save ourselves when trapped in an elevator. |
| C．To warn us not to take an elevator. |
| D．To tell us an elevator often goes wrong. |
4 . The idea of billions of people going through a few masks a week during this pandemic definitely rings alarm bells, but a team of researchers in Melbourne may have the solution.
They’ve discovered that adding millions of discarded face masks to road-paving (铺路) mixtures would actually lower the cost of the road, while preventing billions of them from landfills. Just one kilometer of road would need three million masks, and the polypropylene (聚丙烯) plastic used to make single-use surgical face masks also increased the flexibility and durability of the road.
The new material is a mixture of about 2% torn masks, with recycled concrete aggregate (RCA)—a material obtained from waste concrete and other minerals from destroyed buildings. This recycled material was found in the study to be ideal for two of the four layers generally required to create roadways. Paving a kilometer of two-way road with the RCA and three million face masks would result in a change of 93 tons of waste from landfills.
The final product then is more resistant to wear than asphalt (沥青), as well as being cheaper too, provided there was a method for collecting masks. The research team did a cost-analysis and found that, at $26 per ton, the RCA was about half the cost of mining raw materials, and as much as a third of the cost of shipping the used masks to a landfill.
The widespread application would be ideal for large infrastructure (基础设施) projects. For example, Washington has the 11th worst roads in terms of unaddressed repairs in the U.S. If the damaged roads in Washington state were repaired with the RCA/mask mixture, it would reuse nearly 10 billion masks, sparing American landfills hundreds of millions of tons of trash.
It’s said that the team is looking for private industry partners or governments willing to give their plastic mask road an opportunity for a large-scale test.
1. What does the underlined word “discarded” mean in paragraph 2?| A．Recycled. | B．Produced. |
| C．Mixed. | D．Abandoned. |
| A．2% torn masks, concrete and tons of trash. |
| B．Polypropylene plastic and building materials. |
| C．Single-use surgical masks and recycled concrete aggregate. |
| D．Waste concrete and other minerals from destroyed buildings. |
| A．To tell us what the team has found. |
| B．To prove this material is cost-effective in paving roads. |
| C．To explain repairing roads costs a lot of materials. |
| D．To praise the hard work the team has done. |
| A．The material used to pave roads is made of masks. |
| B．Generally speaking, it requires two layers to create roadways. |
| C．It remains to be tested whether the solution is practical. |
| D．The damaged roads in Washington were repaired with the RCA. |
5 . Men hunted.Women gathered. But the discovery of a woman buried 9,000 years ago in the Andes Mountains with weapons and hunting tools challenges this widely accepted view. The woman, thought to be between 17 and 19 years old when she died, was buried with items that suggested she hunted big-game animals by spear (矛) throwing.
The objects accompanying people in death tend to be those that accompanied them in life. Although some scholars have suggested a role for women in ancient hunting, others have dismissed this idea even when hunting tools were uncovered in female burials.
To examine whether this woman found at this site was an exception, the researchers examined 429 skeletons at 107 burial sites from around 8,000 to 14,000 years ago. Of those, 27 individuals were buried with hunting tools—11 were female and 15 were male. The sample was sufficient to “justify the conclusion that female participation in early big-game hunting was likely nontrivial,” said lead study author Haas.
The findings add to doubts about “man-the-hunter” assumption about early humans since the mid-20th century. That theory assumes that it was men who went out and hunted, bringing home meat to feed women and children, who were responsible for gathering berries, plants and nuts to enrich the dict.
But recent research suggests hunting was very much a community-based activity, needing the participation of all able-bodied individuals to drive large animals, the study said. Meanwhile, the spears used at that time had low accuracy, encouraging participation, and using it was a skill learned from childhood. Women may also have been freed from child care demands by “allo-parenting”—raising children was a job shared by many.
“Our findings have made me rethink the most basic organizational structure of ancient hunter-gatherer groups, and human groups more generally,” Haas said.
1. The discovery of the buried woman shows ________.| A．she was killed by a big-game animal | B．she might use hunting tools when alive |
| C．women were good at throwing spears | D．women were buried alone after death |
| A．limited | B．direct | C．significant | D．passive |
①allo-parenting ②big-game hunting ③tasks of gathering ④less accurate tools
| A．①②③ | B．②③④ | C．①③④ | D．①②④ |
| A．most of our ancestors were buried with hunting tools |
| B．we should reconsider previous views on human groups |
| C．division of labor in hunter-gatherer society remains unchanged |
| D．the tomb found in the Andes justifies “man-the-hunter” assumption |
6 . Light pollution is a significant but overlooked driver of the rapid decline of insect populations, according to the most comprehensive review of the scientific evidence to date.
Artificial light at night can affect every aspect of insects' lives, the researchers said. "We strongly believe artificial light at night — in combination with habitat loss, chemical pollution.invasive (入侵的) species, and climate change — is driving insect declines, " the scientists concluded after assessing more than 150 studies.
Insect population collapses have been reported around the world, and the first global scientific review published in February, said widespread declines threatened to cause a "catastrophic collapse of nature's ecosystems".
There are thought to be millions of insect species, most still unknown to science, and about half are active at night. Those active in the day may also be disturbed by light at night when they are at rest.
The most familiar impact of light pollution is moths (飞蛾) flapping around a bulb, mistaking it for the moon. Some insects use the polarisation of light to find the water they need to breed, as light waves line up after reflecting from a smooth surface. But artificial light can scupper (使泡汤) this. Insects are important prey (猎物) for many species, but light pollution can tip the balance in favour of the predator if it traps insects around lights. Such increases in predation risk were likely to cause the rapid extinction of affected species, the researchers said.
The researchers said most human-caused threats to insects have analogues in nature, such as climate change and invasive species. But light pollution is particularly hard for insects to deal with.
However, unlike other drivers of decline, light pollution is relatively easy to prevent. Simply turning off lights that are not needed is the most obvious action, he said, while making lights motion-activated also cuts light pollution. Shading lights so only the area needed is lit up is important. It is the same with avoiding blue-white lights, which interfere with daily rhythms. LED lights also offer hope as they can be easily tuned to avoid harmful colours and flicker rates.
1. What is discussed in the passage?| A．Causes of declining insect populations. |
| B．Consequences of insect population collapses. |
| C．Light pollution: the key bringer of insect declines. |
| D．Insect declines: the driver of the collapsed ecosystem. |
| A．How light travels in space. |
| B．How light helps insects find food. |
| C．How the food chain is interrelated. |
| D．How light pollution affects insects. |
| A．Selective things. | B．Similar things. | C．Variations. | D．Limitations. |
| A．To offer solutions. |
| B．To give examples. |
| C．To make comparisons. |
| D．To present arguments. |
7 . It appears to fit with most people's experience: how Christmas seems to come around quicker every year? Questionnaires by psychologists have shown almost everyone feels time is passing faster now compared to when they were half or a quarter as old. Most strikingly, lots of experiment have shown that, when older people are asked to guess how long the time is, or to ‘reproduce’ the length of periods of time, they guess a shorter amount than younger people.
In 1877, Paul Janet suggested the proportional theory, where a child of 10 feels a year as I 10 of his whole life while a man of 50 as 1/50, so the subjective sense of the 50-year-old man is that: these are insignificant periods of time which gallop.
There are also biological theories. The speeding up of time is linked to how our metabolism (新陈代谢)gradually slows down as we grow olden Children's hearts beat faster than They breathe more quickly. With their blood flowing more quickly, their body clocks “cover” more time within the space of 24 hours than ours do as adults. On the other hand, older people are like clocks that run slower than normal, so that they lag behind, and cover less than 24 hours.
In the 1930s, the psychologist Hudson Hoagland found body temperature causes different perceptions of time. Once, when he looked after his ill wife, he noticed she complained he'd been away for a long time even if only away for a few moments. Therefore, Hoagland tested her perception of time at different temperatures, finding the higher her temperature, the more time seemed to slow down for her, and that raising a person's body temperature can slow down his sense of time passing by up to 20%.
Time doesn't necessarily have to speed up as we get older though. It depends on how live our lives, and how we relate to our experiences.
1. What do the questionnaires and experiments find?| A．Time now is shorter than before. |
| B．Aging makes people think slowly. |
| C．The old feel time flies faster than the young. |
| D．The old value time more than before. |
| A．Fly swiftly. | B．Pause briefly. |
| C．Move slowly. | D．Pass stably. |
| A．A kid with slower metabolism. | B．A child with low body temperature. |
| C．A grown-up feeling freezing. | D．An adult with a high fevel. |
| A．How time flies! | B．To live a full life! |
| C．Why time passes at different speeds? | D．How to save more time? |
8 . Full stops intimidate young people when used in social media communication as they are interpreted as a sign of anger, according to linguistic experts.
Teenagers and those in their early twenties, classified as Generation Z, have grown up with smartphones which they use to send short messages without full stops. Linguistic experts are now investigating why teens interpret a correctly-punctuated text as a signal of annoyance.
The debate became active again after writer Rhiannon Cosslett tweeted: “Older people, do you realise that ending a sentence with a full stop conies across as sort of abrupt and unfriendly to younger people in a message?” Genuinely curious. That caused crime novelist Sophie Hannah to reply: “Just asked 16-year-old son — apparently this is true. If he got a message with full stops at the end of sentences? He’d think the sender was weird, mean or too blunt.”
According to experts, youngsters used to communicating electronically break up their thoughts by sending each one as a separate message, rather than using a full stop, which they use only to signal they are annoyed. Some have said the full stop is unnecessary when used in texting because the message is ended just by sending it.
Linguist Dr Lauren Fonteyn of Leiden University in Holland tweeted: “If you send a text message without a full stop, it’s already obvious that you've concluded the message. So if you add that additional marker for completion, they will read something into it and it tends to be a falling intonation (语调) or negative tone. Make your sentence an open end. and it will make friends online very happy and relaxed. So full stops could be unnecessary in most cases.”
Professor David Crystal? one of the world’s leading language experts, argues that the usage of full stops is being “revised in a really fundamental way”. In his book, Making a Point, he says that the punctuation mark has become an “emotion marker” which warns the recipient (接受者) that the sender is angry or annoyed.
1. What does the underlined word “intimidate” probably mean in paragraph 1?| A．Frighten. | B．Move. | C．Delight. | D．Reward. |
| A．Full stops end the conversation awkwardly. |
| B．Full stops make messages more boring. |
| C．Full stops are punctuation marks without any emotion. |
| D．Full stops are regarded as an indication of the sender's anger. |
| A．Skeptical. | B．Conservative. | C．Negative. | D．Tolerant. |
| A．Will full stops be replaced in messages? |
| B．Does a full stop really conclude a message? |
| C．How do full stops make recipients embarrassed? |
| D．How do we understand punctuation marks in messages? |
9 . Why humans make and appreciate music is an evolutionary (进化的) mystery. Recently David Schruth and his colleagues have a new explanation. They say the roots of human music can date back to the branches of trees more than 50 million years ago, when the first primates (灵长类) appeared. Early primates moved around forest by leaping (跳跃) from branch to branch, a very dangerous way to travel that relies on hand and eye working together and control over muscles.
Schruth argues that a primate that calls in a musical way is advertising that it has fine control over its vocal (声音的) muscles. This might have convinced other primates that the caller also had fine control over its body. His another research shows the species that leap the most tend to have more complicated calls, which the team jokingly named as ‘protomusical’.
Hagen, a worldwide famous scientist in this field, commented on the research: “Some people would not include what we see in primates and songbirds as music. But I do see a continuity between human music and primate vocalizations”.
Hagen doesn’t think human music has a single, simple explanation. He argues that human ancestors originally used music-like vocalizations in two ways: groups vocalized together to send
a signal of strength and unity to scare outsiders away, and mothers used vocalisations to communicate with babies. Also another idea: humans used music to strengthen social bonds.
All these ideas might be compatible, says Hagen. Protomusic could have evolved in primates both to attract companions and for territorial signaling. Later, as early humans began cooperating in large numbers, protomusic might have been repurposed so it could attract rather than frighten outsiders, while also strengthening social bonds within groups.
1. What is Schruth’s finding?| A．Primates have the most complex calls. |
| B．Human ancestors leap around trees skillfully. |
| C．Frequent movements sharpen early human calls. |
| D．Complicated vocalizations result from more leaps. |
| A．Negative. | B．Skeptical. | C．Supportive. | D．Cautious. |
| A．Clever. | B．Reasonable. | C．Misleading. | D．Contradictory. |
| A．Repurposed functions of music |
| B．Arguments on primates’ evolution |
| C．Origins of music linked to leaping |
| D．Discoveries about the human origins |
10 . A new study has found that animals feign（假装）death for long periods of time in order to escape capture from their predators. How long they are motionless depends on the circumstances, but they can wait out their predators for quite a long time when their lives are in danger.
Animals stay still to avoid capture for different lengths of time. “Most intriguingly, Charles Darwin recorded a beetle that remained motionless for 23 minutes. Antlions, our favorite study creature in this regard, set a record of 61 minutes,” says lead author Nigel R. Franks from the University of Bristol.
Antlions are members of large group of insects. Antlion larvae（幼虫）dig pits in loose soil and then aggressively attack ants and other small insects that fall into the sandy pits. In another study, researchers dug sandpits to understand the physics of how antlion larvae build their pits. As part of their research they needed to weigh the individual larvae. When they put them onto the microbalance scale to weigh them, they noticed that the larvae remained motionless for long periods of time. “This made it ‘piece of cake’ to weigh them but it aroused researchers’ curiosity, ‘What on earth were they playing at?’” Franks says.
The researchers found that the amount of time the antlions remained stationary after being disturbed was unpredictable and was often quite lengthy. In researching other animals, they found that how long they wait to move again can depend on factors such as hunger and temperature, but it always varies.
This unpredictability is absolutely crucial for their survival, Franks says. For example, if a bird visits these antlion pits and the larvae “play dead”. the birds will fly around the antlions to see if they move. “Imagine if antlions always remained immobile for 5 minutes. In such case, the predator could look for alternate prey（猎物）and then return to its original one when the time is up,” he says. “If that happened, it would be a short life for the predictable death-feigner.” But because the time is unpredictable, the birds leave and go find something else to eat. The predators turn their attention from the unmoving prey that no longer catches their eye to something nearby that is a better alternative.
1. What is the new study about?| A．Animals’ hunting skills. |
| B．Animals’ living conditions. |
| C．Animals’ self-protecting behavior. |
| D．Animals’ means of communication. |
| A．To introduce a new topic for discussion. |
| B．To offer supporting data for the discovery. |
| C．To make a comparison between the two studies. |
| D．To provide some background information on the study. |
| A．Unmoving. | B．Alarmed. | C．Energetic. | D．Peaceful. |
| A．By scaring away predators. |
| B．By distracting predators’ attention. |
| C．By staying still for an uncertain amount of time. |
| D．By waiting for predators to eat something else |
