1 . The cultivation of plants by ants is more widespread than previously realized, and has evolved on at least 15 separate occasions.

There are more than 200 species of ant in the Americas that farm fungi (真菌) for food, but this trait evolved just once sometime between 45 million and 65 million years ago. Biologists regard the cultivation of fungi by ants as true agriculture appearing earlier than human agriculture because it meets four criteria: the ants plant the fungus, care for it, harvest it and depend on it for food.

By contrast, while thousands of ant species are known to have a wide variety of interdependent relationships with plants, none were regarded as true agriculture. But in 2016, Guillaume Chomicki and Susanne Renner at the University of Munich, Germany, discovered that an ant in Fungi cultivates several plants in a way that meets the four criteria for true agriculture.

The ants collect the seeds of the plants and place them in cracks in the bark of trees. As the plants grow, they form hollow structures called domain that the ants nest in. The ants defecate (排便) at designated absorptive places in these domain, providing nutrients for the plant. In return, as well as shelter, the plant provides food in the form of fruit juice.

This discovery prompted Chomicki and others to review the literature on ant-plant relationships to see if there are other examples of plant cultivation that have been overlooked. “They have never really been looked at in the framework of agriculture,” says Chomicki, who is now at the University of Sheffield in the UK. “It’s definitely widespread.”

The team identified 37 examples of tree-living ants that cultivate plants that grow on trees, known as epiphytes (附生植物). By looking at the family trees of the ant species, the team was able to determine on how many occasions plant cultivation evolved and roughly when. Fifteen is a conservative estimate, says Campbell. All the systems evolved relatively recently, around 1million to 3 million years ago, she says.

Whether the 37 examples of plant cultivation identified by the team count as true agriculture depends on the definitions used. Not all of the species get food from the plants, but they do rely on them for shelter, which is crucial for ants living in trees, says Campbell. So the team thinks the definition of true agriculture should include shelter as well as food.

1. According to biologists, why is ant-fungus cultivation considered as a form of true agriculture?

A．Because it occurred earlier than human agriculture.

B．Because it fulfills the standards typical of agricultural practices.

C．Because it redefines the four criteria for true human agriculture.

D．Because it is less common than previously thought.

2. What motivated Chomicki and others to review the literature on ant-plant relationships?

A．They determined on new family trees of the ant species.

B．They overlooked some tree-living ants that provided nutrients for the plants.

C．They never studied the ant-plant relationships within the context of agriculture.

D．They never identified any an t species that engaged in cultivation of fungi.

3. Which of the following statements is supported by the team's findings according to the passage?

A．Ants’ cultivation of plants is limited to a few specific species.

B．The cultivation of fungi by ants is considered the earliest form of agriculture.

C．True agriculture in ants involves only food-related interactions with plants.

D．Ants have independently cultivated plants on at least 15 distinct occasions.

4. What is the passage mainly about?

A．The evolution of ants in the plant kingdom.

B．The widespread occurrence of ant-plant cultivation.

C．The discovery of a new ant species engaging in agriculture.

D．The contrast between ant agriculture and human agriculture.

2 . The part of the environmental movement that draws my firm’s attention is the design of buildings. Today, thousands of people come to ________ building conferences, and the idea that buildings can be good for people and the environment will be increasingly ________ in years to come. Back in 1984 we discovered that most manufactured products for decoration weren’t designed for ________ use. The “energy-efficient” sealed commercial buildings constructed after the 1970s energy crisis ________ indoor air quality problems caused by materials such as paint, wall covering and carpet. So for 20 years, we’ve been looking for ways to make these materials ________   for people and the planet.

Home builders can now use materials, such as green paints, that release significantly ________   amounts of chemical compounds, which people believe don’t ________ the quality of the air.   ________, our basic design strategy is focused not simply on being “less bad” but on creating ________ healthful materials that can be either safely returned to the soil or ________ by industry again and again. For example, the world’s largest carpet manufacturer has already ________ a carpet that is fully and safely recyclable.

Look at it this way: no one ________ to create a building that destroy the planet. But our current industrial systems are basically causing these conditions, whether we like it or not. So   ________ of simply trying to reduce the damage, we are ________ a positive approach. We’re giving people high-quality, healthful products and an opportunity to make choices that have a ________   effect on the world. It is not just the building industry, either. Entire cities are taking these environmentally positive approaches to design, planning and building.

1.

A．commercial

B．green

C．traditional

D．simple

2.

A．efficient

B．changeable

C．influential

D．effective

3.

A．relevant

B．indoor

C．flexible

D．forward

4.

A．revealed

B．displayed

C．exhibited

D．discovered

5.

A．careful

B．comfortable

C．stable

D．safe

6.

A．reduced

B．revised

C．delayed

D．defined

7.

A．destroy

B．deny

C．dissolve

D．depress

8.

A．Anyway

B．Besides

C．Anyhow

D．However

9.

A．exactly

B．completely

C．partially

D．superficially

10.

A．restored

B．regain

C．reused

D．retain

11.

A．developed

B．stretched

C．researched

D．constructed

12.

A．sets off

B．sets about

C．sets out

D．sets up

13.

A．instead

B．because

C．out

D．regardless

14.

A．adjusting

B．adopting

C．adapting

D．admitting

15.

A．functional

B．sensible

C．beneficial

D．precious

3 . Conservationists go to war over whether humans are the measure of nature’s value. New Conservationists argue such trade-offs are necessary in this human dominated era. And they support “re-wilding”, a concept originally proposed by Soule where people reduce economic growth and withdraw from landscapes, which then return to nature.

New Conservationists believe the withdrawal could happen together with economic growth. The California-based Breakthrough Institute believes in a future where most people live in cities and rely less on natural resources for economic growth.

They would get food from industrial agriculture, including genetically modified foods, desalination intensified meat production and aquaculture (水产养殖), all of which have a smaller land footprint. And they would get their energy from renewables and natural gas.

Driving these profound shifts would be greater efficiency of production, where more products could be manufactured from fewer inputs. And some unsustainable commodities would be replaced in the market by other, greener ones-natural gas for coal, for instance, explained Michael Heisenberg., president of the Breakthrough Institute. Nature would, in essence, be decoupled from the economy.

And then he added a warning: “We are not suggesting decoupling as the pattern to save the world, or that it solves all the problems.”

Cynics (悲观者) may say all this sounds too utopian, but Breakthrough maintains the world is already on this path toward decoupling. Nowhere is this more evident than in the United Sates, according to Iddo Wernick, a research scholar at the Rockefeller University, who has examined the nation’s use of 100 main commodities.

Wernick and his colleagues looked at data carefully from the U.S. Geological Survey National Minerals Information Center, which keeps a record of commodities used from 1900 through the present day. They found that the use of 36 commodities (sand, iron ore, cotton etc.) in the U. S. Economy had peaked.

Another 53 commodities (nitrogen, timber, beef, etc.) are being used more efficiently per dollar value of gross domestic product than in the pre-1970s era. Their use would peak soon, Wernick said.

Only 11 commodities (industrial diamond, indium, chicken, etc.) are increasing in use (Greenwire, Nov. 6), and most of these are employed by industries in small quantities to improve systems processes. Chicken use is rising because people are eating less beef, a desirable development since poultry cultivation has a smaller environmental footprint.

The numbers show the United States has not intensified resource consumption since the 1970s even while increasing its GDP and population, said Jesse Ausubel of the Rockefeller University.

“It seems like the 20th-century expectation we had, we were always assuming the future involved greater consumption of resources,” Ausubel said. “But what we are seeing in the developed countries is, of course, peaks.”

1. What does the underlined word “trade-offs” refer to in the first paragraph?

A．The difficult situation of economies growth.

B．The profitability of import and export trade.

C．The balance between human development and natural ecology.

D．The consumption of natural resources by industrial development.

2. Which of the following is true of the views of the new environmentalists?

A．They believe that mankind should limit economic growth.

B．They believe that mankind is the master of the whole universe.

C．They believe that mankind should live in forests with rich vegetation.

D．They believe that mankind will need more natural resources in the future.

3. What can we infer from the last paragraph of the passage?

A．Natural resources cannot support economic development.

B．All resource consumption in developed countries has reached a peak.

C．More resource consumption will not occur in a certain period of time.

D．Excessive resource consumption will not affect the ecological environment.

4. What is the passage mainly about?

A．Urbanization and re-wildness.

B．Human existence and industrial development.

C．Commodity trading and raw material development.

D．Socioeconomic development and resource consumption.

5 . The world is wasting the opportunity to “build back better” from the Covid-19 pandemic, and faces disastrous temperature rises of at least 2.7°C if countries fail to strengthen their climate commitments, according to a report from the UN.

Tuesday’s publication warns that countries’ current commitments would reduce carbon by only about 7.5% by 2030, far less than the 45% cut, which scientists say is needed to limit global temperature rises to 1.5℃, the aim of the Cop26summit that opens in Glasgow this Sunday.

António Guterres, the UN secretary-general, described the findings as a “thundering wake-up call“ to world leaders. while experts called for action against fossil fuel companies.

Although more than 100 countries have promised to reach net zero emissions around mid-century, this would not be enough to avoid climate disasters, according to the UN emissions report, which examines the shortfall between countries’ intentions and actions needed on the climate. Many of the net zero commitments were found to be unclear, and unless accompanied by strict cuts in emissions this decade would allow global heating of a potentially disastrous extent.

Guterres said: “The heat is on, and as the contents of the report show, the leadership we need is off. Far off. Countries are wasting a massive opportunity to invest Covid-19 finance and recovery resources in sustainable, cost-saving, planet-saving ways. As world leaders prepare for Cop26, this report is another thundering wake-up call. How many do we need?”

Inger Andersen, the director of the UN Environment Programme (UNEP) said: “Climate change is no longer a future problem. It is a now problem. To stand a chance of limiting global warming to 1.5℃, we have 8 years to almost halve greenhouse gas emissions: 8 years to make the plans, put in place the policies, carry them out and deliver the cuts.The clock is ticking loudly.”

Emissions fell by about 5.4% last year during Covid lockdowns, the report found, but only about one-fifth of the economic recovery spending goes towards reducing carbon emissions. This failure to ”build back better“ despite promises by governments around the world cast doubt on the world’s willingness to make the economic shift necessary to settle the climate crisis, the UN said.

In the run-up to Cop26, countries were supposed to submit national plans to cut emissions - called nationally determined contributions (NDCs) - for the next decade, a requirement under the 2015 Paris climate agreement. But the UNEP report found only half of countries had submitted new NDCs, and some governments had presented weak plans.

1. Why were the findings described as a “thundering wake-up call” in Para. 3?

A．Because the world has failed to deliver on its current promises.

B．Because the serious problems were brought about by global fossil fuels.

C．Because a global temperature rise of at least 2.7°C would be a disaster.

D．Because the opportunities presented by covid-19 have been wasted.

2. According to the author, in what circumstances is global warming avoidable?

A．New plans will be made to protect the environment.

B．Measures will be taken to reduce emissions in the coming ten years.

C．Transitions will be made in response to the global climate crisis.

D．Global sustainable environmental resources will be greatly developed.

3. What is the author’s purpose in saying “How many do we need?” in Para.5?

A．To show the number of alarm clocks required.

B．To inquire the number of the countries attending the meeting.

C．To explain the reason for the world’s wasting chances.

D．To stress the need to save energy and reduce emissions.

4. What can be inferred from the last paragraph?

A．Few countries have submitted plans to reduce the emissions.

B．Most of the countries work under the Paris Climate Agreement.

C．Plans to cut emissions of many countries are far from satisfactory.

D．Much progress in reducing emissions has been made these years.

7 . An exhibition of vivid photographs and a restored documentary give fresh insight into the Antarctic explorer, who died a century ago.

One hundred years ago, the leader of the last great expedition of the heroic age of polar exploration died from a heart attack as his ship, Quest, headed for Antarctica. The announcement of the death of Ernest Shackleton on 30 January 1922 was greeted with an outpouring of national grief.

This was the man, after all, who had saved the entire crew of his ship Endurance — which had been crushed and sunk by ice in 1915 — by making a daring trip in a tiny open boat over 750 miles of polar sea to raise the alarm at a whaling station in South Georgia.

It remains one of the greatest rescue stories of modern history and led to the idolising of Shackleton in the United Kingdom, a reputation that survived undamaged for the rest of the century. As his contemporary Raymond Priestley, the geologist and Antarctic explorer, later put it: “When disaster strikes and all hope is gone, get down on your knees and pray for Shackleton.”

And here and now in 2022, his death is being marked with an elaborately illustrated exhibition — Shackleton’s legacy and the power of early Antarctic photography — which opens at the Royal Geographical Society (RGS), and which includes a range of images and artefacts from his expeditions. Additionally, a digitally remade version of South, a documentary film of Shackleton’s 1914-16 Endurance expedition, is being screened at the British Film Institute.

The film and most of the exhibition’s finest images are the handiwork of Frank Hurley, who sailed with Shackleton and who was one of the 20th century’s greatest photographers and film-makers. Both film and exhibition feature striking camera work and provide vivid accounts of the hardships that Shackleton and his men endured as they headed off to explore Antarctica.

Even after he survived the great expedition, he still longed for another trip to Antarctica, and after long negotiations set sail in Quest, from England, with the aim of circumnavigating (环航) Antarctica, Shackleton was by now very ill and had suffered at least one heart attack. On 2 January 1922, he wrote in his diary: “I grow old and tired but must always lead on.” Three days later he had a major heart attack and died a few hours later. He is buried on South Georgia, scene of his greatest triumph.

“Shackleton was an inspirational leader. He had an innate sense of what was possible and achievable. He also had a huge personality but led by example. At the same time, he was sensitive to the needs of the individuals he was leading. For example, after Endurance broke up, his men had lost their protection and shelter. Their social fabric had been destroyed. There would have been disagreement. Yet Shackleton succeeded in keeping them together and made sure they survived.”

1. People were overcome with grief when Ernest Shackleton died because          .

A．it was a huge pity that such a brave explorer should have died from a heart attack

B．he was the man that wrote about one of the greatest rescue stories of modern history

C．he came to his entire crew’s rescue and symbolised hope in extreme circumstances

D．there was no one to pray to anymore when disaster came and there was no hope

2. What can we learn about the exhibition?

A．It presents Shackleton’s 1914-16 Endurance expedition with powerful Antarctic photos.

B．It celebrates the 100th anniversary of the great explorer Ernest Shackleton’s birth.

C．It consists of vivid photographs, artefacts, and documentaries of Ernest Shackleton.

D．It is created by Frank Hurley, who witnessed Shackleton’s heroic acts with his own eyes.

3. Which of the following is NOT true about Ernest Shackleton according to the passage?

A．He was the leader of a heroic exploration to the South pole, who died from a heart attack off shore.

B．He saved the crew members of the sunken Endurance by travelling to raise the alarm in a tiny boat.

C．He is universally recognised as the greatest Antarctic explorer who has enjoyed enduring fame.

D．He was inspirational, practical, responsible, sensitive towards his men, but had a strong character.

4. What does “Their social fabric had been destroyed. ” in the last paragraph most probably mean?

A．What they wore would not be accepted by others upon returning.

B．They could no longer socialise with others even if they went back.

C．The ship could not keep them together even if they survived.

D．They could not function socially as they had when there was shelter.

8 . In 2004, Pen Hadow became the first person to trek (跋涉) to the North Pole alone, without being resupplied on the way. That meant swimming through unimaginably cold waters, and risking encounters with polar bears. Just eight months later, he made a similar trip to the South Pole. Now he is back in the Arctic again, preparing for an expedition (远征) he says is even more ambitious. Explorers are confident, driven individuals. They have to be. This time, however, more significance is attached. Pen and two colleagues will set out on a three-month, 1000-kilometre trek to the North Pole, taking detailed measurements of the thickness and density of the ice. Nobody has ever done this before, and he knows the results will be of vital significance to the scientific community. This will be the truest picture yet of what global warming is doing to the ice that covers the polar region.

Pen and his wife, Mary, live in the country with their two children. “It’s much harder to be away from them this time,” he admits. They were one and five when I last went, and I made a mistake in the way I said goodbye. I thought it would be a good idea to say to my son, “You’re the man of the house now, look after your mum and your sister.” He absolutely took it to heart, asking his mum how she was all the time, but the stress eventually became too much. While it was well intentioned, it was an unfair thing to do.

He is spending these last days before departure preparing his things. “Out on the ice, one is virtually unable to mend things or do anything that isn’t absolutely straightforward,” he says. With him will be Ann Daniels, one of the world’s leading polar explorers, and the photographer, Martin Hartley. They will be supported by a crew of six, flying in supplies. Being part of a team is actually more stressful to someone with his mentality, says Pen, and something else is on his mind too. “I’m going to be 47 on Thursday. I’ve done far less training than I’m comfortable with.” Why? “Organisational things always seem more urgent. So I’m almost fearful of what I’m going to ask of myself.”

Pen believes his mission reconnects exploration with the search for knowledge that drove previous generations into the unknown. “Making it to the North Pole was a personal ambition,’”he admits, “and of limited value to anyone beyond the polar adventuring community. This time, scientists will profit from the data, and we’re creating a platform in which to engage as many people as possible in what’s happening in the Arctic Ocean. This is important work, and nobody can do it but us,” he says. “Our skills, which are otherwise not that necessary, have become really relevant. Suddenly, we’re socially useful again.”

1. In the first paragraph, what do we learn about Pen Hadow’s opinion of the new expedition?

A．He feels certain that it will be stressful.

B．He is aware of the huge importance of its aims.

C．He thinks it may be harder than his previous journeys.

D．He is less than confident of the scientific work it involves.

2. What does “took it to heart” (in paragraph 2) mean?

A．He started to feel unwell.	B．He memorised his father’s words.
C．He was afraid of the responsibility.	D．He carried out his father’s words carefully.

3. What is worrying Pen about the new expedition?

A．Whether he will be mentally prepared

B．Whether he will still be fit enough to take part.

C．Whether the arrangements he has made will turn out well.

D．Whether the equipment will work properly in icy conditions.

4. When he compares the new expedition to his previous ones, Pen feels ________.

A．uncertain if it will collect information.

B．doubtful about its long-term usefulness

C．pleased that more people will benefit from it

D．relieved that the general public will be more supportive

9 . Directions: After reading the passage below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank

Uber Eats pilots reusable container scheme

From today (Tuesday 18 April, 2023) Uber Eats customers in Central London will be given the option to order their takeaway in reusable containers and easily return them in an attempt     1     (address) single use packaging.

    2     (Bring) together various businesses, the project will test and measure how localized doorstep at-home collections of reusable packaging can increase the adoption rate of a reuse system and improve convenience. The system has been developed to make     3     as easy and convenient as possible for people to take part. When placing their orders, Uber Eats customers can choose to receive their food in reusable packaging. Once they’ve enjoyed their meals,     4     they need to do is to scan a QR code, select a day for collection, give the containers a simple rinse and await collection. All collections are low or no emissions,     5     (make) by deliverymen using bikes, electric cars or vans.

The trial will run for six months and will be managed by Again, which operates a network of packaging cleaning facilities     6     the reusable packaging will be cleaned and processed before being returned to the restaurants. Various promotions     7     (test) throughout the trial to measure opt-in rate and return rate. “This pilot aims to make reusable packing     8     (accessible) for customers and restaurants alike,” says Matthew Price, Uber Eats General Manager. “By integrating the reuse option     9     a delivery app used by many households and by offering doorstep collections, we hope to see a significant increase in the use of reusable takeaway packaging. The trial will help create     10     better understanding of what works and what doesn’t at a local level, and hopefully lead to wider roll out of this reuse system across more businesses and areas.”

10 . Directions: After reading the passage below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

Venice—The Risk of the Disappearance of an Entire City

Venice is a stunning oddity. It is a city built atop around 120 islands, crisscrossed by 177 canals, and is best explored via the use of its 391 bridges. But the city is not well recently. Indeed,     1     drastic measures are taken, the city’s days could be numbered.

This is far from hyperbole(夸张): Venice is at very real risk of     2     (consume) by the sea. In worst-case scenario, the city could disappear beneath the waves by 2100. Meanwhile, many of its building are sinking     3     being damaged by the wakes of boats. It is also routinely overwhelmed by tourists, while its local population is in continual decline.

Globally, a lot of cities    4     (hit) by similar problems of sinking land and rising sea levels in Venice. Low-lying Jakarta(雅加达), for example, is in such a terrible situation that it is being replaced     5     the capital city of Indonesia by Nusantara, a city not yet even built.

In November 2019, Venice suffered its second-worst flooding. It created headlines around the world, with onlookers     6     (astonish) by the incredible images of Saint Mark’s Square, one of the city’s lowest lying areas, covered in feet of water.

The tide reached a peak height of 187cm above sea level,     7     (result) in more than 80% of the city being under water. A state of emergency was declared, and there was an estimated €1bn euros worth of damage.

The worst ever flooding event, which happened in 1966,     8     (see) water levels rise to 194cm above sea level, and is thought     9     (damage) at least three quarters of the city’s shops, businesses and studios.

    10     a gap of over 50 years separated these events, recent trends suggest that we won’t have to wait half a century to see another disastrous flood. Since water levels started being officially recorded in 1923, they have reached 150cm or more on only 10 occasions, but five of those have been in the last three years.