1. 活动目的；
2. 活动内容(时间, 地点等)；
3. 活动反响。
注意：
1. 写作词数应为80左右。
2. 请按照如下格式在答题卡的相应位置作答。
A Volunteer Activity Celebrating World Water Day
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________China’s first overpass for wildlife migration has already come into use. The bridge
It has been about two years since the national highway
Those passageways,with a total
3 . Vast lands of America are dominated by corn, nearly 100macres of it, stretching from Ohio to the Dakotas. What once was forest today produces the corn that feeds people, cattle and, when made into ethanol (乙醇), cars.
Now, the nation’s airlines want to power their planes with corn, too. United Airlines signed a deal with a Nebraska ethanol company to buy enough sustainable fuel, to power 50,000 flights a year. The government could decide on its tax incentives (税收激励) for the industry as soon as December. “Mark my words, the next 20 years, corn farmers are going to provide 95% of all the sustainable airline fuel,” President Biden said in July.
The airlines’ ambitious goal would likely require nearly doubling ethanol production, which airlines say, with great expectation, would decrease their greenhouse gas emissions. If they succeed, it could transform America’s Corn Belt, stimulating farmers and ethanol producers, but potentially further damaging one of the nation’s most important resources: groundwater.
Corn requires a lot of water to grow and it can take hundreds of gallons to produce a single gallon of ethanol. But as airlines take the idea of ethanol, the vital groundwater faces serious risks. “We’re on track to massively increase water usage without any real sense of how sensitive our groundwater is,” said Jeffrey Broberg, who is concerned about groundwater in Minnesota, a major corn state.
The Department of Energy said in a statement that “water use is a critical part of the conversation surrounding bio-energy sustainability”. It pointed to a 2022 department study that concluded that the United States could significantly reduce pressure on groundwater by shifting fuel production away from water-intensive crops like corn, instead growing more crops that don’t require irrigation (灌溉), like various types of straw, grasses and trees. Hopefully, a better approach will be soon studied and adopted.
1. What can we learn from the first two paragraphs?| A．Farmers will increase 95% of their ethanol production. |
| B．The sustainable fuel will not be popular in the future. |
| C．Corn will be an influential source in the fuel industry. |
| D．The government stops the new fuel for the groundwater. |
| A．Preventing. | B．Motivating. | C．Destroying. | D．Impressing. |
| A．The shortage of corn production. |
| B．The increase in global warming. |
| C．A rise in clean-energy tax credits. |
| D．Higher stress on the groundwater. |
| A．Expand the corn planting area. |
| B．Use some alternative materials. |
| C．Cut down the daily water usage. |
| D．Turn to the government for help. |
Tibetan antelopes live on the plains of Tibet, Xinjiang and Qinghai. Watching them move slowly
Economic development is necessary if we want to improve society. There comes
By
5 . Tropical (热带的) forests could become so hot that some kinds of leaves will no longer be able to conduct photosynthesis (光 合 作用), according to a study. The photosynthetic machinery in tropical trees begins to fail at about 46.7℃ on average. The research suggests that forests may be nearing dangerous temperature sooner than expected. Models predict that once we hit a global temperature increase of 3.9℃, these forests might experience mass leaf damage.
Chris Doughty, an associate professor at Northern Arizona University and the lead researcher of the study, said the leaf-warming experiments had revealed a nonlinear rise in temperatures. “We were really surprised that when we warmed leaves by 2, 3 or 4℃, the highest leaf temperatures actually increased by 8℃. This shows a concerning nonlinear feedback that we were not expecting.” said Doughty. “If we adopt a do-nothing response to climate change and tropical forest air temperatures increase by greater than 4℃, there could be massive leaf death.” he added.
Avoiding high emissions (排放) in the first place is key to stabilizing temperatures. “We should do all we can to avoid high-emissions. Under low-emissions, almost all tropical forest tree leaves can avoid death from overheating and the trees will survive,” said Simon Lewis, a professor of global change science at University College London. “Yet what the study doesn’t look at is heatwaves. We still might see tree deaths from overheating for limited periods during heatwaves under lower emissions.”
Researchers suggest that the damage is not yet unchanged. “Vote for people who are serious about addressing climate change and transferring to low-carbon economies, ”Disney, one researcher, advocated. More generally, we can all recognize the importance of supporting those countries and people who live in and rely on tropical forests economically, But the serious changes to tropical forests don’t just affect the local people it’s a global issue.
1. Which of the following can best replace the underlined word “nonlinear” in Paragraph 2?| A．Global. | B．Dramatic. | C．Steady. | D．Minor. |
| A．Planting more trees. | B．Exploring heatwaves. |
| C．Conducting researches. | D．Pursuing low emissions. |
| A．Promoting global efforts. |
| B．Seeking economic support. |
| C．Helping tropical countries. |
| D．Boosting low-carbon education. |
| A．Global warming harms trees. |
| B．Tropical forests lose functions. |
| C．Tropical leaves struggle in heat. |
| D．Forests near dangerous temperature. |
6 . Many disaster-relief programs transport tons of supplies, such as food, water and heavy equipment, by road using large trucks. But some supplies may weigh just a few kilograms or less. For example, a package might contain a few doses of life-saving medicine.
The parachutes (降落伞) that carry these packages from planes are often made of nylon (尼龙). After one use, these parachutes are usually discarded. Because nylon is a polymer (聚合物), it does not decompose quickly. Therefore, Natalie looked for a greener alternative.
Nylon is strong, but a parachute used only once for light packages does not need to be that strong. Paper might be good enough, thought the teen. Plus, a paper parachute can be folded into a tiny package, just like a fabric parachute. Moreover, she notes there are many different ways to fold the unopened paper parachute.
Natalie came up with several folded designs and tested them. Her first models were small, so she could test them indoors. Two were triangular (三角形的). Two more were rectangular (长方形的). One of the rectangular ones opened most smoothly, she found. It also fell and landed most steadily as it dropped through the air. “Such features can be important when the goal is to deliver a package to the ground softly and accurately,” she says.
Natalie showcased her designs at the Intel International Science and Engineering Fair. Natalie’s single-use paper parachutes are not harmful to the environment. They are also less expensive than parachutes made from more traditional materials. A nylon parachute of the same size as her design would cost about $31, she says. One made from silk, another common parachute fabric, would cost almost $16. But a parachute made from paper would likely cost less than $1, Natalie estimates.
1. Why are many relief supplies mentioned in the first paragraph?| A．To list an example. | B．To answer a question. | C．To lead in the topic. | D．To make a comparison. |
| A．Go bad. | B．Break down. | C．Run away. | D．Bend down. |
| A．A small one. | B．A big one. | C．A rectangular one. | D．A triangular one. |
| A．Reducing Environmental Impact with Paper Parachutes |
| B．Eco-friendly Paper Parachutes for Disaster Relief |
| C．The High Cost of Traditional Parachutes |
| D．A Teen’s Quest for Better Disaster Relief |
We as individuals can also reduce our “carbon footprint” by
8 . Working at a bank in New York City in the mid-2010s, Anna Sacks was not living the life she wanted. Sure, she was happy. But she wanted to do something that felt important.
Some people seeking meaning might read a self-help book or perhaps volunteer a few hours a week. Sacks packed up her life and moved to Connecticut to participate in Adamah, a farming program that focuses on sustainable living and growing sustainable food. When she returned to New York, her life was with a new purpose and many new skills to make her dreams a reality.
“One of the things that really stuck with me from Adamah was how little waste they produced and how they handled the waste they did have, primarily through composting (堆肥),” she says. The Adamah program opened Sacks’ eyes to the damage consumer culture is doing on a local, national, and global level, and the need to find solutions. So in 2017, she began what she calls “trash walking”.
During tours around her community, Sacks picks through garbage to look for reusable items. Soon, her “trash walking” expanded to include corporate trash along with residential trash. Surprisingly, she discovered a wide range of really great stuff-like clothing, decorations, and food -all of which she documents on TikTok.
Under the name The Trash Walker, Sacks quickly gained popularity for her videos that highlight the problems with consumerism. “The root issue is overproduction, which leads to overconsumption, which leads to a large amount of waste,” she says.
The fact is, companies often choose to trash items rather than give them away to people who might need them. A big reason for this waste is the way our current tax laws are structured, Sacks says. Sellers who destroy goods can claim the cost as a loss on their taxes and be refunded. If they give away goods, they can claim only a small amount as a charitable reduction on their taxes.
Sacks’ main focus is simply getting people to pay attention to how many unnecessary things they buy and then throw away. “Once you become aware of the way you consume, you can see ways you improve, ”she says.
1. Why did Anna Sacks leave New York?| A．To learn how to grow food. | B．To pursue a more meaningful life. |
| C．To realize her dream as a volunteer. | D．To accept the invitation from a program. |
| A．The significance of trash walking. | B．The hard truth of consumer culture. |
| C．The sustainable food people produced. | D．The way people there dealt with the waste. |
| A．The tax refund. | B．The tax reduction. |
| C．The overproduction. | D．The poor quality of goods. |
| A．Consumer culture accounts for wasting. | B．Corporate trash outweighs residential trash. |
| C．Turning to farming leads to sustainable living. | D．Trash walking is the key to becoming wealthy. |
9 . Styrofoam, or polystyrene, is a light-weight material, about 95 percent air, with very good insulation (隔热) properties, according to Earthsource. org. It is used in products from cups that keep your drinks hot or cold to packaging material that protects items during shipping. With the above good features, Styrofoam still enjoys a bad reputation. It cannot be recycled without releasing dangerous pollution into the air. The U. S. Environmental Protection Agency says it is the fifth-largest creator of harmful waste.
But now the common worms which are usually disgusting can come to the rescue, specifically, meal-worms. Scientists from the U. S. and China have discovered that meal-worms can digest plastic. One meal-worm can digest a pill-sized amount of plastic a day. Study co-author Wei-Min Wu says that in 24 hours, the plastic is turned into carbon dioxide.
Since Styrofoam has no nutrition at all, are the worms hurt by eating plastic? Much to the scientists’ surprise, the study found that worms eating Styrofoam were as healthy as worms eating bran (谷糠) . The researchers will study the worm’s eating habits and digesting system, looking to copy the plastic breakdown but on a larger scale. Once the way can be put into practice, it will make a revolutionary difference to the disposal of plastic.
“Solving the issue of plastic pollution is important”, says Wu, a Stanford University environmental engineering instructor. After all, our earth is small and landfill space-is becoming limited with too much garbage waiting to be dealt with, he says.
About 33-million tons of plastic are thrown away in the United States every year. Plastic plates, cups and containers take up 25 percent to 30 percent of space in America’s landfills. One Styrofoam cup takes more than 1 million years to recycle in a landfill, according to Cleveland State University.
1. What do we know about Styrofoam?| A．It can be used to cool drinks. | B．It is a weightless material. |
| C．It is harmful when recycled. | D．It is usually used on ships. |
| A．Meal-worms have amazing digesting power. | B．Meal-worms are not bad in their nature. |
| C．Meal-worms can rescue people’s lives. | D．People misunderstood meal-worms in the past. |
| A．by raising amounts of meal-worms | B．by environmental engineering instructors |
| C．using a method inspired by eating meal-worms | D．without sending out dangerous pollution |
| A．Styrofoam is widely used in daily life. | B．Meal-worms are genius at eating plastic |
| C．Plastic recycling may be no more a problem. | D．Plastic can be turned into carbon dioxide |
10 . Looking out of the window of his truck, Bob Fitzgerald sees dying forests and empty farmland. Fitzgerald says the land has been in his family since the 17th century. “I can show you land around here that people grew tomatoes on when I was a little boy. And now it’s gone.”
Climate change is making things worse. As sea levels rise, salt water is entering rivers and other waterways. As a result, the land is becoming too salty for crops to grow on. Hundreds of millions of people will be forced to move inland because of rising waters.
Kate Tully, a researcher in the University of Maryland, wants to keep coastal farmers in business as the seas rise. She has seen the forests filled with pine trees killed by the increasingly salty soil. The United States Department of Agriculture gave Tully and other researchers $1.1 million to study the problem. She and her team hope to give farmers ways to stay on their land.
They are testing different crops on pieces of land around the Eastern Shore. “Sorghum (高粱) is my new favorite crop because it can grow without rain and it can grow with lots of rain.” The grain (谷物) crop may be a good choice to feed the nearly 600 million chickens kept in the area each year. As farmers know, chickens can deal with salt, dry weather conditions and heavy rains. Yet just being able to grow a crop is not enough. The crop has to bring in money.
Some people believe the land should be given back to nature. They say the fields should be turned into wetlands, which are popular with duck hunters. “There’s money in duck hunting,” Tully said. “Hunting organizations will pay farmers for hunting on their land. Farmers could make a lot of money from duck hunting.”
Tully and her team are just getting started. It will be a few years before they really understand how to save the farms.
1. What is the purpose of Paragraph 1?| A．To lead to the main topic. | B．To describe the farm scenery. |
| C．To illustrate a memorable experience. | D．To provide the background information. |
| A．To help farmers stay on their land. | B．To study new crops for coastal farmers. |
| C．To study climate change in recent years. | D．To help farmers start their own business. |
| A．Concerned. | B．Doubtful. | C．Positive. | D．Negative. |
| A．Climate Change Making Things Worse. | B．Rising Seas Forcing Changes on Farms. |
| C．Coastal Farmers Saving Their Homeland. | D．Scientists Teaching Farmers to Plant Crops. |
