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文章大意:这是一篇说明文,文章主要讲的是印度尼西亚的濒危鸟类塚雉面临着新的威胁。

1 . The maleo (塚雉), a bird with black feathers and a pink chest, is native to Indonesia’s Sulawesi island and a few neighboring ones. The International Union for Conservation of Nature (IUCN), which identifies wildlife across the world currently facing threats, estimates only 800 to 1,400 adult maleos remain in the wild. Experts do not know how many maleos still live across West Sulawesi island. They were only able to record the presence of nesting grounds in 23 villages based on reports from locals in the area. But of those, only 18 are considered active nesting areas.

Recently, the birds have been faced with new threats, which accelerate their decline. The Indonesian government plans to move the nation’s capital from Jakarta to a new city on Borneo island, which is just a six-hour boat trip apart from Sulawesi island. The island takes on the building of new roads and seaports to be used to transport materials to the new capital. Activities also include tree clearing, digging, and removing stones. The process already has changed the forest environment on West Sulawesi and is harming maleo nesting areas near the beach. These changes have made the trip for maleos to lay their eggs increasingly difficult.

Another problem has been poachers. The Associated Press reports that, regardless of official ban, they steal maleo eggs that the males’ parents have hidden in the sand, and sell the eggs for about $1 to people as food. The eggs are a traditional gift for many people in Mamuju and other parts of Sulawesi.

“As far as I know, maleo birds are in decline,” said Andi Aco Takdir, chief of the West Sulawesi Forestry Agency. He pointed to several reasons for the decline, including destruction of beach areas, and expanding human development activities. He added that government officials there are prepared to take steps to protect the maleos even with the new capital development. Andi said, “Nature conservation must be used as an achievement and must not be built leaving behind problems.”

1. Which word can be used to describe the maleos?
A.Endangered.B.Adaptable.
C.Widespread.D.Extinct.
2. What causes a further drop of the maleo population?
A.The sudden changes of climate.
B.The disappearance of the forests.
C.The development of Sulawesi island.
D.The supporting work for the new capital.
3. What does the underlined word “poachers” in paragraph 3 refer to?
A.People who hunt maleos for their meat.
B.People who live by selling maleo eggs.
C.People who engage in illegal hunting.
D.People who regard maleo eggs as gifts.
4. What can we infer from Andi’s words?
A.The new capital development might be stopped at once.
B.The government will balance conservation and development.
C.There seems to be a tough way for the new capital to develop.
D.The government will concentrate on solving urban problems.
阅读理解-阅读单选 | 适中(0.65) |
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文章大意:本文是一篇新闻报道。Sara Dykman希望通过对北美帝王蝴蝶的追踪观察唤起公众对其生存危机的关注。

2 . Sara Dykman is on a 10, 000-mile bike trip, following the monarch butterfly from Mexico through the UnitedStates and Canada and back again. The purpose of her journey is not just to mark the butterfly’s migrating (迁徙) road, but to warn about the threat it faces — and what we can do to help it.

When I reached Dykman by phone, she was biking through Iowa cornfields. She said she feels more upset than usual, because of what she is seeing — or not seeing — on her travels: Fewer butterflies and milkweed. “In the last two decades, the butterfly population has declined by about 90 percent as a result of the loss of milkweed, a native plant that the butterflies need as part of their life cycle,” she said.

Butterflies go through a four-stage life cycle. In February and March, the adult monarch butterflies come out of winter sleep to look for a mate. Then they migrate north and east to lay their eggs on milkweed plants. It takes about four days for the eggs to hatch. Then the baby caterpillars (毛毛虫) spend much of their time eating milkweed in order to grow. About two weeks later, the fully grown caterpillars will attach themselves to plant branches or leaves to change into butterflies.

But Dykman is not in total despair. A solution, she says, exists within the reach of everyone who owns a home; simply planting some milkweed in the yards to help the butterflies on their journey.

Dykman lives a life as simple and rootless as the butterflies she loves. She doesn’t own a house or car or eat out at restaurants. She carries only what she needs; a sleeping bag and clothing. People help along the way by providing a place to stay and a meal.

“I have failed at everything normal, but I’m pretty good at doing the less normal things,” she admits in her new book Cycling With Butterflies.

“But this trip is about solutions, and it’s about helping people see the consequences of their actions,” she said on the phone.

1. What is the main purpose of Sara Dykman’s bike trip?
A.To live-stream the migrating butterflies.B.To ask people to grow more native plants.
C.To warn about the environmental problems.D.To encourage people to protect the butterflies.
2. What can be learned from paragraph 3?
A.Baby caterpillars are very harmful to various crops.
B.Milkweed plays a vital role in a butterfly’s life cycle.
C.Non-native plants are growing too fast in Iowa cornfields.
D.Adult butterflies come out of winter sleep later than they did.
3. What can we learn about Sara Dykman?
A.She is a determined conservationist.B.She is a good bread-earner.
C.She is a competent employee.D.She is a comfort seeker.
4. What is the text?
A.A diary entry.B.A book review.C.An interview.D.A news report.
阅读理解-阅读单选 | 适中(0.65) |
文章大意:本文是一篇说明文。本文主要介绍了“全球沸腾”这一气候问题,并呼吁立即采取行动。

3 . “The era of global warming has ended and the era of global boiling has arrived,” the UN secretary general, Antonio Guterres, said after scientists confirmed July 2023 was the world’s hottest month on record.

“Humanity is in the hot seat,” Guterres told a press conference on Thursday. “For vast parts of North America, Asia, Africa and Europe, it is a cruel summer. For the entire planet, it is a disaster. And for scientists, it is clear that humans are to blame. Climate change is here, it is terrifying, and it is just the beginning. The era of global warming has ended; the era of global boiling has arrived.”

Guterres urged politicians to take swift action. “The air is unbreathable, the heat is unbearable, and the level of fossil fuel profits and climate inaction is unacceptable. Leaders must lead. No more hesitancy, no more excuses, and no more waiting for others to move first. There is simply no more time for that.”

“It is still possible to limit global temperature rise to 1.5℃and avoid the very worst of climate change but only with dramatic, immediate climate action. We have seen some progress, but none of this is going far enough or fast enough. Accelerating temperatures demand accelerated action.”

The WMO secretary general, Petteri Taalas, said, “The need to reduce greenhouse gas emissions is more urgent than ever before. Climate action is not a luxury but a must.”

Other climate scientists confirmed the findings. Karsten Haustein at Leipzig University found the world was 1.5℃ hotter in July 2023 than in the average July before industrialisation.

Marina Romanello, a climate and health researcher at University College London, said, “We have data showing how the very foundations of health are being undermined by climate change. But we still have time today to turn the tide and to ensure a liveable future for us and our children.”

1. What made Guterres feel worried?
A.Global economy.B.Natural disasters.
C.Serious pollution.D.Rising temperatures.
2. Why did Gutemes use the phrase “global boiling”?
A.To appeal to quick action.B.To change people’s concept.
C.To frighten the general public.D.To make his report vivid.
3. How does the author develop the text?
A.By analyzing some facts.B.By quoting some experts.
C.By offering statistics.D.By giving explanations.
4. What would be the best title for the text?
A.Global Bailing: It Is Time to Act.
B.Global Boiling: Who Is to Blame?
C.Global Boiling: It Isn’t That Serious
D.Global Boling: What Measure Should Be Taken?
昨日更新 | 50次组卷 | 1卷引用:2024届河南省濮阳市高三下学期第一次模拟考试英语试题
23-24高二下·全国·随堂练习
阅读理解-任务型阅读 | 适中(0.65) |
文章大意:这是一篇说明文。文章主要说明了人类对于太空探索的历史以及苏联、美国和中国在太空探索方面取得的成就和遇到的挑战。

4 . SPACE: THE FINAL FRONTIER

“Are we alone? What’s out there?” Looking up at the stars, people have always wanted to learn more about space, and scientists work hard to find answers. They make vehicles to carry brave people into space to find out the secrets of the universe. They also really wish to discover other planets that are suitable enough to support life.

Apollo 11 Moon Landing

Before the mid-20th century, most people felt travelling into space was an impossible dream. However, some scientists were determined to help humans realise their dream to explore space. After many experiments, they succeeded in making rockets that could escape Earth’s gravity. On 4 October 1957, the Sputnik 1 satellite was launched by the USSR and successfully orbited around Earth. Afterwards, the USSR focused on sending people into space, and on 12 April 1961, Yuri Gagarin became the first person in the world to go into space. Over eight years later, on 20 July 1969, American astronaut Neil Armstrong stepped onto the moon, famously saying, “That’s one small step for [a] man, one giant leap for mankind.” Following this, many more goals were achieved. For example, America’s NASA space agency launched Voyager 1 on 5 September 1977 to study deep space, and it still transmits data today.

Although scientists try to make sure nothing goes wrong, accidents can still happen. All the astronauts on the USSR’s Soyuz 11 and America’s Challenger died during their missions. These disasters made everyone sad and disappointed, but the desire to explore the universe never died. This is because people believe in the importance of carrying on space exploration despite the huge risks. An example of this ongoing work is the International Space Station. It orbits Earth and has astronauts from different countries on board, providing a continuous human presence in space.

Challenger after the accident

China’s space programme started later than those of Russia and the US, but it has made great progress in a short time. China became the third country in the world to independently send humans into space in 2003, when Yang Liwei successfully orbited Earth in the Shenzhou 5 spacecraft. Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese spacewalk, followed by the vehicle Jade Rabbit being sent to the moon to study its surface. After that, China launched the Tiangong 2 space lab into space and Tianzhou 1 to dock with it. This signalled one step further in China’s plan to establish a space station in the future. More recently, China has sent Chang’e 4 to explore the surface of the far side of the moon to make measurements and observations.

Jade Rabbit

The future of space exploration remains bright. Europe, the US, and China all have plans to further study and explore planets like Mars and Jupiter. Despite the difficulties, scientists hope future discoveries will not only enable us to understand how the universe began, but also help us survive well into the future.

1. 将每一段与其主旨大意相匹配。
A. Plans to further study.
B. The risk of exploring the space.
C. The development of space exploration.
D. Human’s desire to explore the space.
E. China’s space programme.
Para. 1 _______________
Para. 2 _______________
Para. 3 _______________
Para. 4 _______________
Para. 5 _______________
2. 阅读第二到第四段并填写表格。
The development of space explorationOn 4 October 1957, the USSR ____________ in launching the Sputnik 1satellite.
On 12 April 1961, Yuri Gagarin became the ____________ person in the world to go into space.
On 20 July 1969, American astronaut Neil Armstrong ____________ onto the moon.
On 5 September 1977, America’s NASA space agency ____________ Voyager 1.
The risk of exploring the spaceAll the astronauts on the USSR’s Soyuz 11 and America’s Challenger were ____________.
The desire to ____________ the universe never died.
People believe in the____________ of carrying on space exploration despite the huge risks.
China’s space programmeIn 2003, Yang Liwei successfully ____________ Earth in the Shenzhou 5 spacecraft.
Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese ____________, followed by the vehicle Jade Rabbit being sent to the moon to study its ____________.
China launched the Tiangong 2 space lab into space and Tianzhou 1 to ____________ with it.
More recently, China has sent Chang’e 4 to explore the ____________ of the far side of the moon.
3. 课文结构图。

(1)______________________
(2)______________________
(3)______________________
(4)______________________
(5)______________________
(6)______________________
(7)______________________
(8)______________________
(9)______________________
(10)______________________
4. 根据课文内容填空。

From the passage, we know that people have ______________ to explore the space. The USA and the USSR have made great breakthrough in space ______________. China became the ______________country in the world in space exploration. It made great ______________ in a short time. Although many disasters ______________ in the process, people ______________ in the importance of ______________ on space exploration. Scientists hope future discoveries will not only ______________us to understand _____________ the universe began, but also help us ______________ well into the future.

昨日更新 | 1次组卷 | 1卷引用:人教版必修三Unit4Reading and Thinking课堂检测
智能选题,一键自动生成优质试卷~
阅读理解-阅读单选 | 适中(0.65) |
文章大意:这是一篇说明文。文章介绍了,气候变化不仅威胁到我们所居住的环境。它还对我们的情绪健康构成了非常现实的威胁,因为对地球的未来状况极为担忧,许多人会有“生态焦虑”,作者解释了它的影响、好处和应对策略。

5 . A recent global study, which surveyed 10,000 young people from 10 countries, showed that nearly 60 percent of them were extremely worried about the future state of the planet. The report, which was published in The Lancet, also showed that nearly half of the respondents said that such distress affected them daily, and three quarters agreed with the statement that “the future is frightening.” This, along with many other studies, shows clearly that climate change is not just a threat to the environment that we inhabit. It also poses a very real threat to our emotional well-being. Psychologists have categorized these feelings of grief and worry about the current climate emergency, a common occurrence among youth today, under the label of “eco-anxiety”.

Eco-anxiety doesn’t just affect young people. It also affects researchers who work in climate and ecological science, burdened by the reality depicted by their findings, and it affects the most economically marginalized (边缘化的) across the globe, who bear the damaging impacts of climate breakdown.

In 2024, eco-anxiety will rise to become one of the leading causes of mental health problems. The reasons are obvious. Scientists estimate that the world is likely to breach safe limits of temperature rise above pre-industrial levels for the first time by 2027.

In recent years, we’ve seen wildfires tear through Canada and Greece, and summer floods ruin regions in Pakistan that are home to nearly 33 million people. Studies have shown that those impacted by air pollution and rising temperatures are more likely to experience psychological distress.

To make matters worse, facing climate crisis, our political class is not offering strong leadership. The COP28 conference in Dubai will be headed by an oil and gas company executive. In the UK, the government is backtracking on its green commitments.

Fortunately, greater levels of eco-anxiety will also offer an avenue for resolving the climate crisis directly. According to Caroline Hickman, a researcher on eco-anxiety from the University of Bath, anyone experiencing eco-anxiety is displaying entirely natural and rational reactions to the climate crisis. This is why, in 2024, we will also see more people around the world join the fight for climate justice and seek jobs that prioritize environmental sustainability. Campaigners will put increased pressure on fossil fuel industries and the governments to rapidly abandon the usage of polluting coal, oil, and gas.

It’s now clear that not only are these industries the main causes for the climate crisis, they are also responsible for the mental health crisis, which is starting to affect most of us. Eco-anxiety is not something we will defeat with therapy, but something we will tackle by taking action.

1. What can we learn from the passage?
A.The cause of eco-anxiety is emotions existing in our mind.
B.People in developed countries are more likely to suffer from eco-anxiety.
C.Eco-anxiety is a new kind of psychological disease due to climate change.
D.The author is disappointed about government behaviour towards climate crisis.
2. What does the underlined word “breach” in Paragraph 3 most probably mean?
A.Break.B.Reach.C.Raise.D.Affect.
3. As for Caroline Hickman’s opinion on eco-anxiety, the author is         .
A.puzzledB.favourableC.suspiciousD.unconcerned
4. What would be the best title for the passage?
A.Who Is to Blame for Eco-anxiety?
B.How Should You See Eco-anxiety?
C.How Will Eco-anxiety Be Resolved?
D.Why Do People Suffer from Eco-anxiety?
昨日更新 | 107次组卷 | 1卷引用:2024届北京门市头沟区高三一模英语试题
24-25高二上·全国·单元测试
听力选择题-长对话 | 适中(0.65) |
6 . 听下面一段较长对话,回答以下小题。
1. Why does Kevin say life on Frenchboro is different?
A.It’s very simple.
B.It’s quite exciting.
C.It’s rather hopeless.
2. What is the school on Frenchboro like?
A.It has no teachers.
B.It has small classes.
C.It has fifty students.
3. What will the people on Frenchboro do when they need medical care?
A.They go to the mainland.
B.They visit the local hospital.
C.They ask the visitors for help.
昨日更新 | 0次组卷 | 1卷引用:人教版2019 必修二Unit 4 单元测试B卷(含听力)
文章大意:本文是说明文。文章详细介绍了训鹰术的历史、过程以及在中东文化中的重要性。

7 . Falcons are powerful birds that may be trained to hunt in cooperation with humans. The art of training falcons as “hunting dogs of the skies” is called falconry (训鹰术). It was developed in the ancient Arabian Desert around 4000 B. C. In the past, falconry mainly involved hunting with falcons to supplement one’s diet. But now, it has become the favorite sport and pastime in the Arabian Peninsula.

Falconry includes three major processes: acquiring the falcons, training them, and hunting with them. Every year, falconers begin capturing wild falcons in June and July, the migration season. The best birds to catch are the ones with naturally nurtured hunting skills, aged one or two years. Once the falcons are captured, their heads are immediately covered with a leather hood. This is essential because they imprint as their master whomever they see first after the hood is removed. Right after a bird is caught, the training process starts. It begins by depriving (剥夺) the bird of food to make it easier to tame. The birds are taught to know their own name and respond to their master when called. Arab falconers live with their birds day and night in order to build a strong relationship with them.

By the end of October or mid-November, the trained falcons are ready to hunt in the desert. They have excellent vision, 2. 6 times greater than that of a human. They are also the fastest divers on the planet. One hunting technique that sets them apart from other animals is that they can be trained to deliver their prey, without killing it first. This is vital in Islamic culture because animals used for food must still be alive to ensure that the meat is halal, that is, properly prepared according to Islamic law.

Falcons have played such a crucial role in traditional Islamic cultures that a number of countries in the Middle East have made them their national bird. Falconry has grown so popular that specialist hospitals have been established to take care of these magnificent birds. Falcons are even issued their own passports. They are the only animals in the United Arab Emirates that are legally allowed to travel inside planes, enjoying a level of luxury that some humans can only dream of.

1. What is the main reason for Arabic people to hunt with falcons today?
A.To serve as entertainment and exercise.
B.To supplement their diet.
C.To replace the practice of hunting with dogs.
D.To honor their national bird.
2. What can we learn from the passage?
A.Falconers don’t give food to falcons in order to capture them.
B.Falcons are not allowed to see their masters during the training process.
C.Wild falcons with natural hunting skills are ideal for falconers to catch.
D.The trainers’ names are written on the hoods covering the birds’ heads.
3. What especially makes falcons a unique species for hunting in Islamic culture?
A.Falcons keep their prey alive before delivering it to falconers.
B.Falcons can form a strong bond with their owners quickly.
C.Falcons’ vision is particularly suitable for hunting in deserts.
D.Falcons are relatively easy to train for specific hunting.
4. According to the article, what privilege do falcons enjoy in the Arab world?
A.Free air ticket.B.Passports issued by the King.
C.Expensive meals.D.Access to specialized medical care.
昨日更新 | 201次组卷 | 1卷引用:2024届辽宁省大连市第二十四中学、大连育明高级中学、大连八中三校高三下学期3月模拟考试英语试卷
阅读理解-阅读单选 | 适中(0.65) |
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文章大意:本文是记叙文。文章讲述了作者在纳米比亚寻找大型猫科动物的冒险故事。

8 . When we drove through a twenty-foot-tall fence and entered the Okonjima Camp in central Namibia, the first question on our minds was whether the fence was being used to keep animals in or out. Our guide was quick to say, “Out.” The Okonjima Camp works with the AfriCat Foundation that accepts injured big cats. So there was no shortage of cats, and on that first night, we heard growls (咆哮) from our houses. How close we were! I hope nobody left the gate open.

The next day of our Africa trip started with a journey outside the fences and protected zone to track a mother leopard (花豹) and her baby the guide had seen the previous day, and we were happy to find them very quickly. The mother leopard was aware of our presence but was relaxed since our car was a healthy distance away, and we sat for 45 minutes watching the sweet interactions between mother and baby.

Later in the day, the guide said we would go on a hike. Everything we were told before about staying in the vehicle and not leaving the fenced arca of the camp was put aside. We were going to find cheetahs (猎豹). It is safer to approach cheetahs, keeping a safe distance, and our guide got out earphones to listen on the leopards’ radio collar (颈圈) frequency to see if any were in the area. No leopards, no problems. Let’s go look for cheetahs, and we did find them. Well, I didn’t. Our guide’s tracking skills were phenomenal. He quickly found them somehow lying in the shade of some tall grass. After some time, they stood up on their long legs. No cheetah-fast speed, but a silent walk into the bushes (灌木丛).

1. How did the author feel on the first night in the camp?
A.Excited.B.Sleepy.C.Nervous.D.Curious.
2. What was the author’s purpose of going on a hike?
A.To find a proper place to build a new camp.
B.To test his new radio technology.
C.To track a mother leopard
D.To observe cheetahs.
3. What does the underlined word “phenomenal” mean in the last paragraph? d
A.impressive.B.limited.C.important.D.different.
4. What is the text mainly about?
A.Tourism in Namibia.
B.An adventure with big cats in Namibia.
C.The importance of wildlife protection.
D.A conflict between humans and big cats.
昨日更新 | 36次组卷 | 1卷引用:四川省绵阳市三台中学2023-2024学年高一下学期3月月考英语试题
阅读理解-阅读单选 | 适中(0.65) |
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文章大意:这是一篇说明文。文章介绍了一项有关松鼠窃听鸣禽的叫声的研究,发现动物也可能会留意其他物种之间的日常闲聊,以此来评估是否有麻烦发生,从而引起人们对动物生存环境的重视。

9 . Squirrels eavesdrop on (窃听) the chatter of songbirds to work out whether the appearance of a predator (食肉动物) is cause for alarm, researchers have found. Animals including squirrels have previously been found to tune in to cries of alarm from other creatures.

But the latest study suggests animals may also keep an ear out for everyday chitchat among other species as a way to assess whether there is trouble afoot.

Writing in the journal Plos One, researchers reported on how they made their discovery by observing 67 grey squirrels as they pottered about (晃悠) different areas in the residential regions of Oberlin.

After 30 seconds of observing a squirrel, researchers played it a recording of the call of a red-­tailed hawk, which lasted a couple of seconds — and their behaviour in the next 30 seconds was monitored. The squirrels were then played a three-minute recording of several different species of songbird chattering on a feeder.

The results revealed that in the 30 seconds after hearing the hawk call the squirrels increased the percentage of their time spent “vigilant” (警惕) compared with before the call, while they also looked up more often to scan the environment. Squirrels that were played bird chatter raised their heads less often during the recording and the number of these “look­ups” dropped off faster over time.

“Recognition of bird chatter as a sign of safety is likely adaptive, as squirrels that can safely reduce their vigilance level in the presence of bird chatter probably are able to increase foraging (觅食) success,” the authors wrote.

The team suggested that with levels of human­made noise increasing, squirrels may find it harder to eavesdrop on birds, meaning they may have to spend more time being alert and less time foraging.

Dr. Jakob Bro­Jorgensen, co­author of the study from Oberlin College, said: “The study calls attention to how animals can gather information from their environment by using cues that may at first glance seem irrelevant,” he said. “And it makes you wonder how the more and more pervasive (无处不在的) impact of human activities on natural soundscapes may reduce survival of wildlife in ways we haven’t thought of.”

1. What does the new research find about squirrels’ eavesdropping?
A.It lacks scientific evidence.B.It is more widespread and broader.
C.It needs to be further investigated.D.It is contradictory to previous findings.
2. What is Paragraph 4 mainly about?
A.The subject of the experiment.B.The findings of the experiment.
C.The process of the experiment.D.The purpose of the experiment.
3. Why is recognition of bird chatter as a sign of safety important for squirrels?
A.They can escape from potential risks.
B.It helps them to forage food successfully.
C.It is safe for them to play with their mates.
D.They can adapt to a new environment quickly.
4. What does the last paragraph mainly talk about concerning the research?
A.It’s possible effects.B.Its appeal to the public.
C.Expectations for further study.D.Scientists with new awareness.
昨日更新 | 45次组卷 | 1卷引用:四川省成都外国语学校2023-2024学年高二下学期3月月考英语试题
阅读理解-阅读单选 | 适中(0.65) |
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文章大意:这是一篇说明文。文章主要说明了美国研究人员表示,他们已经开发出一种从海洋中去除二氧化碳的方法。研究人员表示,这一过程可以成为帮助减少环境中二氧化碳的另一种方式,以对抗气候变化的影响。

10 . American researchers say they have developed a method to remove carbon dioxide (CO2) from the sea. The researchers say the process can be an additional way to help reduce CO2 from the environment to fight the effects of climate change.

Plants and currents in the ocean absorb large amounts of CO2 from the atmosphere. The sea is estimated to have drawn in about 30 percent of carbon emissions since the Industrial Revolution. But carbon emissions also make oceans more acidic (酸性的). It can hurt coral reefs, which are sensitive to ocean acidity. Reef damage then do damage to the growth of many kinds of sea life.

Gaurav Sant, director of UCLA’s Institute for Carbon Management, said the technology is meant to use the ocean’s natural abilities to reduce carbon levels in the sea. The process sends an electrical charge through seawater flowing through tanks on a large boat. That sets off a series of chemical reactions that turn the carbon emissions into a solid mineral that includes calcium carbonate (碳酸钙). The seawater then returned to the ocean and can pull more carbon dioxide out of the air. The calcium carbonate settles to the sea floor.

The process has already been demonstrated in California. Researchers are working on plans to launch another project in Singapore. The two projects are expected to be fully operational by 2025. Researchers say they are expected to remove thousands of tons of CO2 per year. If successful, the plan is to build additional centers to remove millions of tons of carbon each year.

But experts say even if that amount of carbon can be removed, that is still thousands of times less than what will be needed to effectively reduce climate change. Margaret Leinen, director of an ocean research center, said, “While the process will likely be effective, I question how much effect it will have on climate change over a long period.” Sant said the success of such technology will greatly rely on “how fast you can build the centers”.

1. What can we learn about carbon emissions from the text?
A.Most of them are taken in by the oceans.
B.They can harm many kinds of sea life indirectly.
C.Removal of them poses a serious threat to coral reefs.
D.They will decrease ocean acidity when absorbed by seawater.
2. What does the author mainly intend to tell us in paragraph 3?
A.How a series of reactions form.
B.How an electrical charge is sent.
C.How the carbon emissions turned into a solid material.
D.How the ocean reduces carbon levels with its own natural abilities.
3. What is Margaret Leinen’s attitude to the process of removing CO2 from the sea?
A.Opposed.B.Concerned.C.Approving.D.Disbelieving.
4. What would the author most probably talk about next?
A.The approaches to protecting coral reefs.
B.The construction of industrial-sized centers.
C.The process of reducing CO2 from the environment.
D.The techniques to remove calcium carbonate from the sea floor.
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