1 . The winter migration (迁徙) season has arrived. With the cold wave heading down south, migratory birds from faraway places such as Siberia have begun to arrive at Dongting Lake, central China for the winter.
Dongting Lake in central China’s Hunan Province is the country’s second-largest freshwater lake. When the temperature rises after a short cold time, locals call the 10th lunar month “Indian summer.” During this time, the lake’s water level drops and sedges (莎草) grow, allowing wintering birds to plentiful food.
Song Yucheng, deputy chief engineer of East Dongting Lake National Nature Reserve, is proud of their protection work. According to him, the Eurasian spoonbills are the first to arrive at the heart of East Dongting Lake National Nature Reserve. They line up and use sideways sweeps of their beaks to filter (过滤) out tiny fish and shrimp. When they fly to another spot looking for food, people can only see the vast expanse of a white sky.
“Now the weather is also very good, the sky is very clear, with green grass, clear water and white spoonbills wandering for hunting. It’s a beautiful picture of nature,” said Song.
For the villagers living in the East Dongting Lake National Nature Reserve, their farm fields are still full of busy and active fellows after harvest because there are about 100 swans settled down there. To provide these birds with an quiet and safe environment, the local government has stopped the vehicles and visitors from entering the area.
“Firecrackers are not allowed, and loud noises are also not allowed in the surrounding area,” said Long Yong, a villager from the Hehua Village, citing the local government.
1. The birds migrate to Dongting Lake not because _____.A.Siberia is cold at winter. |
B.It is the nearest to Siberia. |
C.The protection work there goes great. |
D.The warm temperature and plentiful food. |
A.an engineer | B.a kind of bird |
C.migration destination | D.birds food |
A.Weather is always good here. |
B.More birds are coming here. |
C.The environment is beautiful here. |
D.It’s good to draw pictures here. |
A.government measures |
B.fields harvest |
C.village life |
D.how to observe birds in nature |
Every year the world unites together on World Animal Day on October 4 for the improved treatment and well-being of animals everywhere. It started in 1931 in Florence, Italy when ecologists got together
In the past decades, China has done much to improve
This balance can be most
Through changes to the Wildlife Protection Law, the government has improved
In the spirit of World Animal Day, we can think more of ways to better protect both the animals around us and
3 . Some scientists have traced the increase in earthquakes to human activities, especially in areas not known for the presence of fault lines or past seismic (地震的) activity. The idea of humans causing earthquakes may seem strange at first. After all, you can run around your backyard and jump up and down as you want, and the ground isn’t going to start shaking. However, scientists have identified a variety of large scale human activities that can result in earthquakes.
Scientists have confirmed over 700 places where human activities have caused earthquakes over the last century. While many human-related earthquakes are small and don’t cause much damage, some of them can be serious and dangerous. In fact, scientists believe human activities have caused earthquakes with magnitudes as high as 7. 9 on the Richter scale.
Scientists believe that most human-related earthquakes are the result of mining. As companies drill deeper and deeper below the earth’s surface to get natural resources, holes left behind usually cause instability (不稳固) which leads to earthquakes. Another human activity leading to earthquakes is fracking (水力压裂) for oil and gas, including the high pressure waste water processing that usually goes with fracking. In this process, water, sand and chemicals are pressed underground under high pressure to break rocks to release natural resources.
Building large dams can also cause earthquakes. Many people died as a result of a big earthquake caused by millions of tons of water that had been collected in a reservoir after a large dam was built over a known fault line.
These are not the only human activities that can result in earthquakes, though. Scientists point out that earthquakes can also be caused by other human activities, such as construction of skyscrapers and nuclear explosions.
There is no doubt that human activities have contributed a lot to social and economic development, but for our own benefit, we humans had better not push nature too hard, or we will have to pay a price.
1. What does the underlined part “fault lines” in paragraph 1 probably refer to? .A.Places with active human activities. | B.Places connected with natural balance. |
C.Areas where natural resources are rich. | D.Areas where earthquakes tend to happen. |
A.They break the balance of nature. | B.They destroy the stability of rocks. |
C.They do much damage to the earth’s surface. | D.They use high pressure to get natural resources. |
A.Objective. | B.Supportive. | C.Doubtful. | D.Responsible. |
A.All the earthquakes are caused by humans. |
B.Humans are responsible for certain earthquakes. |
C.Nature punishes humans by means of earthquakes. |
D.Much progress has been made on earthquake research. |
4 . Can you survive an unannounced storm? Although there is expert broadcasting and we are equipped with cellphones, there are still some examples when the violent weather takes us by surprise.
While most Atlantic hurricanes form off the coast of Africa giving plenty of early warning, sudden Caribbean and Gulf of Mexico hurricanes form and move rapidly in less than a day’s time, endangering everyone and everything in their path.
There have been oil workers trapped off the coast when sudden storms appeared. Field archaeologists have been stuck in seaside areas without storm warnings. A few decades ago, a Texas National Guard group was trapped on the beach by rain-forced flooding and had to ride out a major hurricane during a training exercise. There’ve been a few cases where travelers were trapped on an island or in a seaside area and unable to escape in time.
Escaping from the storm-threatened areas is generally a choice for most of us - but not for all. Each year thousands of islanders across the Caribbean face the danger of hurricanes without a public shelter to hide in. Most ride out the storm in their homes.
But there are a few things you can do to prepare yourself for some unexpected emergencies. Being prepared for the unexpected may be your best and only defense. If you’re headed outdoors for a few days or weeks, you should always carry a flashlight (手电筒) with extra batteries, a GPS device (装置), and a basic medical box. If you’re traveling in your car, remember you may suffer from high winds. You’d better not stay inside to avoid being blown away along with your car. Keeping your head and your courage up is crucial to survival in any type of danger. Let common sense guide you and always be prepared for the worst.
1. According to the text, most Atlantic hurricanes ________.A.form in the Caribbean Sea | B.come from Gulf of Mexico |
C.develop off the coast of Africa | D.are from the Pacific Ocean |
A.The bad situations of oil workers. | B.People trapped by sudden storms. |
C.The danger of traveling on an island. | D.The Texas National Guard group. |
A.To give some advice. | B.To encourage traveling. |
C.To underline the danger of hurricanes. | D.To give some warnings. |
A.Food. | B.Sports. | C.Life. | D.Culture. |
1.活动时间、地点、过程;
2.活动意义。
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Lake Protection
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6 . Just when you thought you were taking care of your health by eating enough fruit and vegetables every day, new research has come out revealing that you might be swallowing microplastic particles (颗粒) along with all those vitamins, minerals, and fibre. A groundbreaking study published in the journal Environmental Research has found that fruits and vegetables absorb microplastic particles from the soil and move them through vegetal tissues, where they remain until eaten by hungry diners, thus getting transferred to human bodies.
The researchers, who are from the University of Catania in Italy, as well as Sousse and Monastir universities in Tunisia, analyzed a variety of common fruits and vegetables — carrots, lettuce, broccoli, potatoes, apples, and pears. These were chosen for the fact that they are frequently consumed, usually one per day, which allowed the researchers to better assess the dietary intakes of MPs (microplastic particles) and NPs (nano-plastics). The samples were purchased from different sources in the city of Catania, including a small fruit vendor and a supermarket.
The researchers found that apples, followed by pears, were the most polluted fruit samples, and carrots were the most polluted vegetable. In the study’s discussion section, the authors wrote, “We can assume that the fruits contain more MPs not only because of the very high vascularization(血管化) of the fruit pulp(果肉) but also due to the greater size and complexity of the root system and age of the tree (several years) compared to the vegetables (60–75 days for the carrot). ”
This study is important because it’s the first to detect microplastics in fruits and vegetables.
They have been found in other sources before, such as sea salt, beer, water (bottled, in particular), shellfish, sugar, soil, and even air, but never inside fresh produce. It’s an alarming discovery that raises yet another red flag about microplastic pollution in the natural environment.
It’s an area that will likely see a lot more attention in coming years, with the study authors calling for further research into the question of microplastic and whether it harms the health of both plants and humans.
1. What is the study about?A.The main cause of soil pollution. |
B.The great changes in people’s diets. |
C.The benefits of eating fruits and vegetables. |
D.The microplastic pollution in fruits and vegetables. |
A.To lower the cost of the study. |
B.To gain widespread acceptance. |
C.To improve the accuracy of the study. |
D.To reduce the time for preparing the samples. |
A.The deep spreading roots. |
B.The long growth period of fruit trees. |
C.The complex preservation method. |
D.The large amounts of the fruit pulp. |
A.It needs to be further studied. |
B.It wasted them quite a lot of time. |
C.It has raised people’s awareness of health. |
D.It has attracted people’s attention to diets. |
7 . Wind energy provided 7% of the total electricity in the United States in 2019. Since 2008, the use of coal-fired power plants has declined, as the use of renewable energy and natural gas has increased. Wind energy is an excellent way to reduce carbon emissions (排放物), but what happens when the wind turbine blades (涡轮叶片) wear out? Is there a waste management issue?
The design life of wind turbines is about 20 to 25 years. The longest wind turbine blade to date is 350 feet. Although certain parts of wind turbines can be relatively easily recycled, others are not designed for recyclability. Many spent turbine blades are piling up in landfills. However, researchers from the National Renewable Energy Laboratory (NREL) are making progress in this area.
They developed a blade out of thermoplastic resin (热塑性树脂) that is low-cost, lightweight, and seems to be recyclable. If the new blade also proves to be strong, this will be a game changer for the offshore and onshore wind industry. Lower costs also could help improve wind energy efficiency, reducing the use of fossil fuels. A lightweight blade is easier to transport and uses less fuel. It also seems easier to recycle and uses less energy in the production process. “With the traditional material, it’s almost like when you fry an egg. It’s finished and you can’t undo that,” said Derek Berry, a senior engineer a NREL. “But with a thermoplastic resin system, you can make a blade out of it. You heat it to a certain temperature, and it melts back down. You can get the liquid resin back and reuse that.”
Although the research looks promising, progress will be slow. Most wind farms being constructed today will stop working in a few decades. The benefits of recyclable blades are still decades away at least. The associated environmental impact has largely been a bind spot for the industry. Hopefully, recent progress will help make wind power even greener.
1. What is the disadvantage of the current wind turbine blade?A.Its vast size. |
B.Its short life. |
C.Its negative impact on the environment. |
D.Its inefficiency in producing electricity. |
A.Why thermoplastic resin is strong. |
B.How thermoplastic resin is recycled. |
C.The popularity of thermoplastic resin. |
D.The production process of thermoplastic resin. |
A.Pessimistic. | B.Careless. | C.Doubtful. | D.Optimistic. |
A.A new way to develop turbine blades. |
B.A fresh approach to using wind power. |
C.An unknown renewable energy source. |
D.The urge to tear down old turbine blades. |
8 . During the annual political meetings, environmental protection was definitely among the biggest concerns. Actually, it was also an issue that ancient Chinese paid great attention to. In fact, the world’s earliest environmental protection concept, ministry and laws were all born in China. So, what did the ancient Chinese do to protect the environment?
In early ancient China, environmental protection was promoted to the political level. Xunzi, a famous thinker in Warring States Period, brought up the concept of “managing state affairs through environmental protection”. He stated in his book that vegetations (植被) should not be damaged at will. Guan Zhong, an official 400 years ahead of Xunzi, was also an environmental protection expert. During his term of office, he claimed that “a King who cannot protect his vegetations is not qualified to be a king”.
According to a record in Qing dynasty, the environmental protection ministry in early ancient China was called “Yu”, standing both for the institution and the official title. Although most functions were similar to such ministries today, the administration range of it was much larger, including the mountains, forests, rivers, lakes and so on.
The nine ministries established by Shun, an ancient Chinese king, already included “Yu”, the environmental protection ministry. The first “Yu” official was a man called Boyi, who was indeed an environmental protection expert. He was a capable assistant to Dayu, an ancient Chinese water-control expert. He invented wells, protecting people’s drinking water from pollution. He knew a lot about animals and also called for animal protection.
Environmental protection laws dated back to the ruling period of Dayu, which was more than 4,000 years ago. During his rule, he issued a ban, forbidding people to cut down wood in March or catch fish in June, the time when they were supposed to boom.
In Spring and Autumn and Warring States Period almost 3,000 years ago, “environmental protection laws” appeared in its true sense in Qin, which was recorded in Law of Fields and regarded as China’s earliest “environmental protection laws”.
1. Which statement would Xunzi probably agree with?A.Vegetations shouldn’t be damaged at all. |
B.Much attention should be paid to people’s drinking water. |
C.The king who failed to protect the environment should be removed. |
D.Ruling a country and environmental protection should be combined. |
A.The Qing dynasty. | B.The ministry of Yu. |
C.The official title. | D.The modern ministry. |
A.Fish didn’t taste delicious in June. |
B.It was too hot to catch fish in June. |
C.Fish had a period of rapid growth in June. |
D.Fish-catching time had already passed in June. |
A.How the Chinese Protect the Environment |
B.Famous Environmental Protection Experts in Ancient China |
C.Three Aspects of Environmental Protection in Ancient China |
D.Measures of the World’s Earliest Environmental Protection |
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The other day, our class had made an interesting outing. Though we enjoyed the charming scenery and fresh air all the way, we were astonishing to see some bad behavior. Some people threw rubbish here and there, turn the public place into a large dustbin. Others carved word on famous buildings or picked flowers casually.
An eco-friendly journey not only allows us express our love for nature but need our responsibility. As we enjoy the beauty of nature, we can’t damage them. Only when we improve our aware of eco-friendly travel can the earth become more beautiful. After all, which matters most for us is the earth because it is the only place for us to live.
10 . The Amazon rainforest is moving towards a tipping point past which trees will start to die off in large numbers, researchers have said.
The study, published in the Journal of Natural Climate Change, was conducted by scholars from the University of Exeter, the Potsdam Institute for Climate Impact Research (PIK) and the Technical University of Munich. They used satellite data from 1991 to 2020 to examine trends in deforestation(毁林).
They calculated that 75% of the rainforest is now at risk of being unable to recover when experiencing droughts(旱灾), which are also increasingly more common due to global warming.
“Deforestation and climate change are likely to be the main drivers of this decline,” Niklas Boers of PIK and the Technical University of Munich told the BBC. The study has predicted that it is only a matter of decades until a fairly large amount of the Amazon is transformed from rainforest into savannah(稀树草原).
The destruction(破坏) of the Amazon rainforest, in some ways caused by global warming, will also speed up this process. “The Amazon stores lots of carbon and all of that would enter the atmosphere, which would then further contribute to increasing temperatures and have future effects on global average temperatures,” Professor Boulton of the University of Exeter told the BBC.
This worrying snowball effect means that the destruction of the Amazon will make the much larger battle against global warming more difficult.
The destruction of the Amazon would also have a huge effect on the ecology of the earth. The Amazon rainforest is home to more than 30,000 species of plants, 2.5 million species of insects, 2,500 fish species, more than 1,500 bird species, 550 reptiles, and 500 mammals, according to the Wildlife Conservation Society. A savannah environment that lacks a large variety of plant life, would be unable to host the large and varied ecosystems that currently exist in the rainforest. It is likely that a large number of species would become endangered or even die out, as they would be unable to adjust to this new ecosystem.
1. What can be known about the study?A.The Amazon rainforest has lost its ability to recover. |
B.Much of the Amazon rainforest has become a savannah. |
C.One-fourth of the Amazon rainforest has already died out. |
D.The Amazon rainforest is increasingly endangered by droughts. |
A.lots of carbon entering the atmosphere |
B.the destruction of the Amazon rainforest |
C.the Amazon rainforest transforming into grassland |
D.the gradual change of global average temperatures |
A.The ecosystem of the earth will be damaged. |
B.Many wildlife species will move to other places. |
C.Droughts will become increasingly more common. |
D.A decreased amount of carbon will go into the air. |
A.To explain why a savannah cannot host so many species. |
B.To introduce measures needed to protect the biodiversity. |
C.To stress the ecological importance of the Amazon rainforest. |
D.To show what new ecosystem is needed to host these species. |