Sharks and their relatives are some of the most threatened vertebrates (脊椎动物) on Earth. Coral reefs (珊瑚礁) provide homes for countless fish species that are vital for fisheries and are therefore an especially important ecosystem for humans — and one where the decline of shark populations seems to be especially sharp.
The study by Simpfendorfer with his team is the result of an act of worldwide cooperation called the Global FinPrint Project. The data analyzed include more than 20,000 hours of standardized underwater video taken at nearly 400 reefs in 67 countries around the world. It reveals declines of 60 to 73% of once-abundant coral reef shark species at reefs around the world. The global conservation status of sharks and rays (鳐鱼) is worse than a decade ago and is even more concerning for some groups of sharks.
However, the findings of Simpfendorfer with his team include signs of hope and a clear path forward. Their result s show that although shark populations in many reefs had declined, some health y reef shark populations remained. The reefs with healthier shark population s had some important similarities: they tended to be in the waters of high-income countries with stronger natural resource management laws and rules. Unfortunately, such countries were relatively rare, and lower-income countries tended to have fewer resources for eco-friendly management.
The most unexpected result of the study is that a decline or complete loss of shark species in one reef was not always associated with similar changes in nearby reefs. They found that one reef could be overfished so badly that a once-common reef shark species was totally gone, but another reef a short distance away could have healthy populations of that same species.
The problem is clear -animals that provide ecosystem services that are vital for human food security and livelihoods are disappearing at an alarming rate. The loss of sharks and the ecosystem services they provide represents an ecological disaster that can cause substantial harm to humans.
1. What can we learn about the study from the second paragraph?A.It was directed by the Global FinPrint Project. |
B.It was to find out the reasons for ocean pollution. |
C.It analyzed data about shark species in coral reefs. |
D.Certain sharks were found endangered in the study. |
A.Citizens there had a strong environmental awareness. |
B.Science and economics were improving fast in such areas. |
C.The waters in these areas were suitable for sharks to live in. |
D.They were well-developed areas with strict environmental laws. |
A.Humans and animals coexist in ecosystem. |
B.Overfishing is a contributing factor to the decline of sharks. |
C.It’s uncertain whether humans cause the decrease of sharks. |
D.Distances between reefs affect the number of shark species. |
A.A sharp decline of reef sharks. | B.Possible recovery of reef sharks. |
C.Global cooperation of ocean protection. | D.Amazing discovery of coral reefs. |
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【推荐1】Lizzy Greene’s official website says it all: "Actress, Artist & Animal Lover. " At 13, Lizzy has performed in children’s theater, and she is a trained gymnast. She is most known for her role as Dawn Harper on Nickelodeons Nicky, Ricky, Dicky & Dawn. Now Lizzy is taking on another role—as a voice for animals.
Now Lizzy is also speaking out for farm animals. She’s recently joined The Humane Society of the United States, Meatless Monday movement. She encourages young people to take a break from eating meat on Mondays.
Lizzy knows that raising animals for meat causes pollution, uses a lot of natural resources (资 源) like water and also harms animals.
Many K-12 schools, universities and hospitals nationwide have started Meatless Monday programs.
“It’s so easy to love animals.” Lizzy says.
A.It’s easy to eat animal-friendly foods, too. |
B.Lizzy has only just begun her bright career. |
C.Animals have always been a big part of Lizzy's life. |
D.And Lizzy says she has always wanted to help animals. |
E.Cutting meat from our diet once a week helps the environment and animals. |
F.Kids'breakfast can be as simple as trying a vegetable burger instead of a hamburger. |
G.After the movement, Lizzy says she wants to save a few more lives and force humans to eat healthier. |
【推荐2】In a world on fire and underwater, scientists have announced some good news: Several important tuna species have stepped back from the edge of extinction.
Two bluefin tuna species, a yellowfin, and an albacore are no longer seriously endangered or have moved off the leading international list of endangered species entirely.
The unexpectedly fast recovery speaks to the success of efforts over the past decade to end overfishing. But tuna are not the only species scientists are thinking carefully at the 2021 World Conservation Congress in Marseille, France, which is organized by the International Union for Conservation of Nature (IUCN). Researchers warn that many other sea species continued to be imperiled. For example, more than a third of the world’s sharks are still threatened with extinction due to overfishing, habitat loss, and climate change.
“I think the good news is that sustainable fishing industry are possible,” says Beth Polidoro, a biologist at Arizona State University. “We can eat fish without reducing the population to the point where it is on the road to dying out or extinction.” At the same time, she warns that the recovery should not encourage us to catch as many fish as we want. “We need to keep doing what’s working.” Polidoro adds.
The IUCN, which determines the world’s most endangered species on its Red List of Threatened Species, also announced at the meeting that some animals are moving in the other direction, onto the Red List. Like the Komodo dragon, a lizard, it is at particular risk from climate change.
Of course, the work of protection is never over, and it will require close and continuous attention to make sure neither tuna nor Komodo dragons return to the edge of dying out. But for now, people can celebrate a few wins for the animal world.
1. What is the good news about tuna?A.They have been removed from the list of endangered species. |
B.The fishing of tuna has been put to an end completely. |
C.The population of some tuna species has recovered. |
D.The number of some tuna species increases slowly. |
A.Dangerous. | B.Sustainable. | C.Disappointing. | D.Endangered. |
A.We can fish tuna as much as we want. | B.Protecting tuna is a long way to go. |
C.We shouldn’t encourage tuna fishing. | D.The population of tuna will reduce. |
A.To introduce a topic. | B.To make a comparison. |
C.To explain an idea. | D.To give an example. |
【推荐3】Western conservation groups are seeking stricter laws to deal with trade in endangered wildlife, but Dr. Paul Jepson warns that this isn’t the best solution. He specially mentions the case of the Bali starling (八哥). Bringing in tougher laws created unexpected outcomes, which contributed to the bird’s extinction in the wild in 2006.
He said that the traditional law enforcement (执行) approach that prohibited ownership of the Bali starling in the 1980s and 1990s increased rather than reduced the demand for wild-caught Bali starlings. The bird has become a popular gift among the rich of Indonesia, who can gain more status by owning one.
Instead, a case-by-case analysis might be needed. Last year, he said, a bird association set up a network of breeders (饲养者) among the owners of Bali starling on the island of Java. By introducing a “crowd-breeding” model, it transformed the bird into a species whose price and source of supply were publicly known. This lessened the status of keeping such birds and thereby reduced their profitability to black market suppliers.
Another case was on Nusa Penida, an island southeast of Bali. A Balinese conservation group planned to release starlings on the island. Some tried to block the plan, saying the island was outside the birds’ native zone. Eventually, the Governor of Bali came up with a plan. The starlings were given to a local temple as a ceremonial offering before they were released. This gave the Bali starling status as a “sacred bird”, giving them protection under customary laws. Now the released starlings established a breeding population on Nusa Penida.
Dr. Jepson commented, “I do not want to condemn the international approach seeking tighter law enforcement, but this case study shows we should not oversimplify how we respond to the problem of the wildlife trade. There is a growing body of evidence that shows more different approaches are sometimes needed to fit with the local social and political realities. We should tailor solutions on more of a case-by-case basis.”
1. What might have sped up the wild Bali starling’s extinction in 2006?A.The bad natural environment. |
B.The side effect of strict protection laws. |
C.The debate over the wildlife trade. |
D.The popularity of the bird in the world. |
A.To make the Bali starling less profitable. |
B.To cut off the supply to the black market. |
C.To increase the demand for the Bali starling. |
D.To block the strict laws passed by the government. |
A.The starlings were protected as a result of stricter laws. |
B.It is unwise to release starlings outside their native zone. |
C.The starlings were endangered due to their reduced status. |
D.Attaching spiritual value to the starlings helps protect them. |
A.Stricter enforcement is needed to protect biodiversity. |
B.Those who seek tighter law enforcement should be blamed. |
C.There’s no one-size-fits-all approach to the wildlife trade problem. |
D.The problem of wildlife trade should be treated with determination. |
【推荐1】Managers across nearly every industry believe distraction soars as the temperature rises.
Absences naturally impact productivity
Sure, people travel and do other fun activities year-round, but many people have more going on between May and September than they do any other period.
During these months, you’re far more likely to stay up later, meaning you feel sleepy when it’s time to clock in. It’s not too different than the decline in productivity that follows the Super Bowl or St. Patrick’s Day.
A.Here are the real reasons |
B.Temperature is part of the reason |
C.Here are some tips on how to deal with it |
D.Your sleep (or lack of sleep) can be a factor |
E.More vacation time means less progress |
F.This is really why you’re less product vein the summer |
G.But in summer, it could be a more frequent occurrence |
【推荐2】What does it mean to live a good life? This question has been debated for centuries. In the field of psychology, two main concepts of the good life have been quite popular: A happy life full of pleasure and positive emotions, and a meaningful life full of purpose and sacrifice. But what if these aren’t the only options?
In recent years, a long-neglected version of the good life has been receiving greater attention: the psychologically rich life. It is full of complex mental engagement, a wide range of intense and deep emotions, and diverse, novel, surprising and interesting experiences. Sometimes they are neither pleasant nor meaningful. However, they are rarely boring or monotonous.
After all, both happy and meaningful lives can become monotonous and repetitive. A person with a steady office job, married with children, may be satisfied and find his or her life meaningful and still be bored. Also, the psychologically rich life doesn’t necessarily involve economic richness. For instance, consider Hesse’s character Goldmund, who has no money but pursues the life of a free spirit.
Research has found psychological richness is related to, but partially distinct from, both happy and meaningful lives. Psychological richness is related with openness to experience and experiencing both positive and negative emotions more intensely. But is the psychologically rich life one that people actually want?
In a new study, Oishi and his colleagues asked people in nine countries the degree to which they value a psychologically rich life, a happy life and a meaningful life. They found many people’s self-described ideal lives involve psychological richness. When forced to choose a life, however, the majority chose a happy life and a meaningful life. Even so, a minority of people still favored the psychologically rich life, ranging from 6.7% in Singapore to 16.8% in Germany.
These numbers went up when the desire for a psychologically rich life was measured indirectly. To understand what a person wishes their lives might have been, it is important to explore what people wish they had avoided in their lives. When asked what they regret most and whether undoing this event would have made their lives happier, more meaningful or psychologically richer, about 28% of Americans said undoing the regrettable event would have made their lives psychologically richer.
These findings suggest that while most people strive to be happy and have meaning in their lives, a sizable number of people are content merely living a psychologically rich existence.
As Oishi and his colleagues conclude, “We believe that taking the psychologically rich life seriously will deepen and enrich our understanding of well-being.” At the end of the day, there is no one singularly acceptable path to the good life. You have to find a path that works best for you.
1. According to the passage, the psychologically rich life _______.A.means living a luxurious life |
B.involves various intense emotions |
C.combines pleasure with purpose |
D.emphasizes openness and repetition |
A.The Germans prefer psychological richness to a happy life. |
B.Undoing regrettable events has enriched many people’s lives. |
C.A hidden desire for psychological richness exists among some people. |
D.People with psychological richness tend to describe their lives as ideal. |
A.purpose outweighs pleasure in terms of significance |
B.the choice of a good life differs from person to person |
C.a positive mindset helps us understand our well-being |
D.we should never be content and always strive for the best |
A.To compare different concepts of a good life. |
B.To explain how to live a psychologically rich life. |
C.To persuade people to attain psychological richness. |
D.To draw attention to a less familiar version of a good life. |
NBA basketball players devote much of their lives to preparing for games. This preparation, which includes studying game films, practicing skills and treating injuries, is essential because of the pressure-packed nature of their profession.
The NBA’s 82-game regular season is tiring.
Weeks before the training camp, NBA basketball players start getting back in shape for the upcoming season.
A.Trips can be difficult for NBA basketball players. |
B.The league was founded in New York City on June 6, 1946. |
C.It can wear down even the best-conditioned athletes. |
D.It consists of 30 teams, 29 in the US and 1 in Canada. |
E.The preparation may involve practicing basketball skills and lifting weights. |
F.Following lunch, many players take a nap and eat a pre-game meal before arriving at the field. |
G.An NBA basketball player’s typical workday routine varies based on his team’s schedule of games. |
【推荐1】Some of the World’s Finest Stained Glass (彩色玻璃) Artworks
La Sainte-Chappelle, France
While many say that Paris’ must-see cathedral (is Notre Dame do Paris, Sainte-Chapelle should also be high up on the list. Louis Ⅸ ordered it to be built in 1239 to house the Crown of Thorns, a famous relic from Constantinople. Within the ceilings of the church are fifteen of the world’s finest stained glass windows. Unfortunately, as a result of the French Revolution, one third of the stained glass had to be replaced.
The Chicago Cultural Center, the USA
While the Windy City might not house the nation’s winningest sports teams, it does have one of the world’s most eye-catching displays of stained glass. Today’s Chicago Cultural Center, which was designed as a library in 1887, has a 38-foot-tall Tiffany glass dome (圆屋顶) which is said to be the largest Tiffany dome in the world.
Erawan Museum, Thailand
The Erawan Museum, built in 1994, houses ancient, priceless Thai artworks, all of which are displayed within the building’s three floors, and is said to symbolize the three levels of the universe. The shiny stained glass is on the second floor, which museum owner Khun Lek Viriyapant considers to be the human level. Designed by German artist Jacob Schwarzkopf, the stained glass artwork shows five continents, with the sun delivering light, and therefore life, into all.
Saint Vitus Cathedral.Czech Republic
While the Czech church whose doors many travelers pass through every day was built way back in 1344, its amazing display of stained glass is a 20th-century donation from well-known Czech Art Nouveau artist Alfons Mucha. The artwork is nothing if not fitting for Prague, the city in which the stained glass is displayed. After all, it is the modern-day Czech Republic from which dreamy bohemians (放荡不羁的艺术家) came.
1. Which of the following has the longest history?A.Erawan Museum. | B.La Sainte-Chapelle. |
C.Saint Vitus Cathedral. | D.The Chicago Cultural Center. |
A.France. | B.The USA. | C.Thailand. | D.Czech Republic. |
A.It goes well with the city. | B.It is from a bohemian. |
C.It is the largest of its kind. | D.Its donated by an ancient artist. |
【推荐2】In the depths of the French Guianese rainforest, there still remain unusual groups of indigenous(土著的) people. Surprisingly, these people live largely by their own laws and their own social customs. And yet, people in this area are in fact French citizens because it has been a colony of the French Republic since 1946. In theory, they should live by the French law. However, their remote locations mean that the French law is often ignored or unknown, thus making them into an interesting area of “lawlessness” in the world.
The lives of these people have finally been recorded thanks to the effects of a Frenchman from Paris called Gin. Gin spent five months in early 2015 exploring the most remote corners of this area, which sits on the edge of the Amazon rainforest, with half its population of only 250,000 living in its capital, Cayenne.
“I have a special love for the French Guianese people. I have worked there on and off for almost ten years,” says Gin. “I’ve been able to keep firm friendships with them. Thus I have been allowed to gain access to their living environment. I don’t see it as a lawless land. But rather I see it as an area of freedom.”
“I wanted to show the audience a photographic record touching upon the uncivilized life,” continues Gin. “I prefer to work in black and white, which allows me to show different specific worlds more clearly.”
His black-and-white pictures present a world almost lost in time. These pictures show people seemingly pushed into a world that they were unprepared for. These local citizens now have to balance their traditional self-supporting hunting lifestyle with the lifestyle offered by the modern French Republic,which brings with it not only necessary state welfare, but also alcoholism, betrayal and even suicide.
1. Why does the author feel surprised about the indigenous people in French Guiana?A.They seldom follow the French law. |
B.They often ignore the Cuianese law. |
C.They are separated the modern world. |
D.They are both Cuianese and French citizens. |
A.a tour guide | B.a geographer |
C.a film director | D.a photographer |
A.Cautious. | B.Doubtful. |
C.Uninterested | D.Apprecitive. |
A.The modera Frrnch lifestyle. | B.The self-supporting hunting. |
C.The uncivilized world. | D.The French Republic. |
【推荐3】Will your job be done by a robot in the future? Bank of England economists predict that almost half of all UK jobs are under threat of automation. Those most at risk involve repetitive manual labour, such as factory positions. But could even the venerable profession of teaching soon have to compete against powerful electronic educators?
At first glance, teaching might seem to be unaffected to replacement by robots. Teachers use a range of soft skills that machines find hard to replicate. They judge pupils’ needs and adapt feedback accordingly. They adapt materials to make them more attractive and effective. And they provide pastoral care: looking out for students who lag behind or disrupt the class.
Nonetheless, some believe the future of education will be technological. In an interview with Business Insider magazine, futurist Thomas Frey predicts that “by 2030 the largest company on the Internet is going to be an education-based company that we haven’t heard of yet.”
He thinks that “bots” — online robot teachers — will make education so efficient that students will be able to compress an entire undergraduate degree into six months of learning. A bot learns what your “interests” and “reference points” are, and it “figures out” how to teach you in a faster and faster way over time, according to Frey.
Whether or not such incredible speeds will be reached, over the last decade there has been a huge increase in online learning platforms. Companies such as Udemy and Khan Academy produce courses that allow millions to learn at home for free at their own pace. But there are limitations. Without the face-to-face stimulation of a classroom environment, the overwhelming majority of students fail to complete online courses. How to sustain motivation to learn is one more skill that online teachers will need to master.
Indeed, Frey admits there is some way to go: “Nobody has quite cracked the code for the future of education.” What do teachers themselves think about this? Professor Donald Clark from Derby University in the UK thinks that we should welcome change, even though people will lose their jobs.
“Artificial intelligence will destroy jobs — so why not use it for a social good such as learning?” he asked.
1. How do online robot teachers teach?A.By basing the teaching speed on your preference. |
B.By giving students a degree within six months. |
C.By guiding your interest in learning quickly. |
D.By increasing the teaching speed faster and faster. |
A.Online teachers lack the skill of teaching. |
B.They can’t get motivated in learning. |
C.The courses go at an incredible speed. |
D.Learners can’t study at their own pace. |
A.Disapproving. | B.Doubtful. | C.Supportive. | D.Neutral. |
A.Your schooling in the future. | B.Your future competition with robots. |
C.Your job of artificial intelligence. | D.Your robot teacher of the future. |