1 . Dog ownership may be associated with longer life, especially for heart attack and stroke (中风) suvivors who live alone, according to a new study.
Previous studies have shown that dog ownership alleviates social isolation (隔绝), improve physical activity and social bonds, even lowers blood pressure, leading researchers to believe dog owners could potentially have better health outcomes compared to non-owners. They sought to determine how dog ownership affected health outcomes.
Researchers compared the health outcomes of dog owners and non-owners after a heart attack or stroke using health data provided by the Swedish National Patient Register. Patients in the study were Swedish residents aged 40 to 85 who experienced a heart attack or stroke. Compared to people who did not own a dog, researchers found that for dog owners, the risk of death for heart attack patients living alone after hospitalization (住院) was 33% lower and 15% lower for those living with a partner or child. The risk of death for stroke patients living alone after hospitalization was 27% lower and 12% lower for those living with a partner or child.
The lower risk of death associated with dog ownership could be explained by an increase in physical activity and decreased depression and loneliness, both of which have been connected to dog ownership in previous studies.
While this study drew the conclusion from a large sample (样本), potential misclassifications (错误分类) of dog ownershipin couples living together, death of a dog and change of ownership could have affected the outcomes of the study.
The results of this study suggest positive effects of dog ownership for patients who have experienced a heart attack or stroke. However, more research is needed to confirm a cause-effect relationship. Moreover, from an animal welfare perspective (角度), dogs should only be owned by people who feel they have the ability and knowledge to give the pet a good life.
1. What does the underlined word “alleviates” in paragraph 2 mean?| A．reduces | B．increases | C．causes | D．shows |
| A．Healthy dog owners and those with illnesses. | B．Dog owners and non-owners in hospitalization. |
| C．40- to 85-year-old dog owners around the world. | D．Middle-aged and old heart attack or stroke survivors. |
| A．Dogs make people physically and mentally active. | B．Dogs give warning of heart attacks or strokes |
| C．Dogs encourage social participation. | D．Dogs save lives in emergencies. |
| A．Approving | B．Uncertain | C．Objective | D．Critical |
2.人们在日常生活中节约能源的做法；
3.发出呼吁。
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A Lecture on Environment Protection
Good morning, everyone.
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Thank you
3 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Storm Arwen hit much of Britain at the end of last week, causing disastrous
The Wallington Estate in Northumberland reported the most horrible storm in the past 40 years,
“There have been tears. We
“Our gardens and landscapes will take months to clear up and years, even decades, to
Damage is still being assessed but the National Trust expects the damage to cost it at least f3m. The charity is appealing
1. Why did the man go to the Philippines?
| A．For a trip. | B．For further studies. | C．For volunteer work. |
| A．The local students. |
| B．The local government. |
| C．The local businessmen. |
| A．To explore an island. |
| B．To help the poor students. |
| C．To protect the environment. |
5 . Amid rolling farms and green pasture 150 miles northwest of Sao Paulo, Brazil, two tropical forests bloom as one. The first consists of a single species, row after row of non-native eucalyptus (桉树), planted in perfect lines like carrots. The other is haphazard, an assortment of dozens of varieties of native saplings.
There’s no denying it: This forest looks ridiculous. The gangly (修长的) eucalyptuses shoot like witch fingers high above patches of stubby fig (矮壮的无花果树) and evergreen trees. Yet these jumbled 2.5-acre stands of native trees, ringed by fast-growing exotics, are among many promising efforts to resurrect the planet’s forests.
The eucalyptuses, says Pedro Brancalion, the University of Sao Paulo agronomist who designed this experiment, get big so quickly they can be cut after five years and sold to make paper or fence posts. That covers nearly half or more of the cost of planting the slow-growing native trees, which then naturally reseed ground that has been laid bare by the harvest. And this process doesn’t hamper natural regeneration.
You needn’t look far these days to find organizations trying to save the world by growing trees. Too often, tree-planting groups are so focused on getting credit for each seedling planted that they ignore what matters most: What kind of woodland is created? At what cost? And most importantly: How long will it last? Using the numbers of trees planted as a magic “proxy for everything,” Brancalion says, you “spend more money and get lower levels of benefits.” You can literally miss the forest for the trees.
Tree planting seems like a simple, natural way to counter the overwhelming crises of climate change and biodiversity loss. Trees provide wildlife habitats and slurp carbon dioxide from the atmosphere. No wonder trees are hailed as the ideal weapon. Yet for every high-profile planting operation, devastating failures have occurred. In Turkey, Sri Lanka, and Mexico, mass plantings have resulted in millions of dead seedlings or have driven farmers to clear more intact forest elsewhere. Trees that have been planted in the wrong places have reduced water yields for farmers, destroyed highly diverse carbon-sucking grassland soils, and allowed for invasive vegetation to spread. Simply reforesting the planet isn’t going to do much if we don’t also start cutting down on our emissions from the burning of coal, oil, and natural gas. Tree planting also can’t replace old-growth forests. Saving them is even more important than growing new forests.
So, what should we do?
To Brancalion, the answer is obvious: Restore native forests, mostly in the tropics, where trees grow fast and land is cheap. While that may require planting, it may also call for the clearing out of invasive grasses, the rejuvenation (使有活力) of soils, and crop yield improvements so that farmers will need less land for agriculture and more can be allowed to revert back to forests.
The combining of eucalyptus harvests with native plantings is just one more reminder that successful restoration must provide value to local communities. In many cases, if we let nature do the heavy lifting, Brancalion says, “the forest can regrow quite effectively.”
1. What can we learn from the first three paragraphs?| A．The non-native eucalyptuses bring profits that can pay for planting native saplings. |
| B．The non-native eucalyptuses compete with native saplings for water, nutrients, and light. |
| C．The variety of trees being planted determines whether or not the restoration will succeed. |
| D．Planting fast-growing exotics together with local trees does harm to the natural environment. |
| A．emphasize the significance of protecting existing forests |
| B．explain why tree planting is regarded as the ideal solution |
| C．illustrate the serious problems planting campaigns can cause |
| D．indicate the most important point tree-planting groups ignore |
| A．clear more forest to improve crop yields for farmers |
| B．combine harvests of fast-growing exotics with native plantings |
| C．restore native forests in the tropics and clear out invasive grasses |
| D．take into consideration the benefits of reforestation to local communities |
| A．Plant trees—and time will tell. | B．Plant trees—but don’t overdo it. |
| C．Plant trees—and save the world. | D．Plant trees—but mind the variety. |
Xiamen, lying in Fujian Province, is a famous coastal city. As far as I’m concerned, Xiamen is very clean and pretty. In that city, we can enjoy the clear sky, the beautiful sea,
However, in recent years, Xiamen has become a lot
Next year if I have enough time and money, I plan
7 . On a sunny afternoon in Dania Beach, a dozen scientist’s unloaded containers full of corals from a dive boat. They gently removed each piece from large tanks on the deck and placed them inside smaller containers, which were slowly taken onshore.
The operation is part of what scientists describe as a “Noah’s Ark(诺亚方舟)” mission to save corals from extinction as a mysterious disease damages mile after mile of the Florida Reef Tract. Since first being spotted in 2014, the disease has killed colonies already weakened by impacts from climate change, including frequent rounds of bleaching(漂泊).
During one trip, researchers spent six days diving in the Lower Keys to collect corals that haven’t yet been touched by a certain disease. Their mission, as the “Ark” reference suggests, is to preserve healthy examples of species that can be raised in labs, then later transplanted back to the barrier reef that parallels much of the Southeast Florida coastline.
“It’s a tough effort, but we need to do everything we can to help corals survive,” said Richard Dodge from Nova South eastern University’s [(NSU)] Halmos College, as he watched university staff and volunteers place the 341 corals in holding tanks on the university dock across from Port Everglades.
NSU is one of seven research facilities that will act as temporary hosts for samples collected for what is formally known as the Coral Rescue Collection Plan, part of an ambitious program led by the National Oceanographic and Atmospheric Administration. NSU researchers will collect data on the species, then send them to other universities and zoos across the country, where they will be used to grow new colonies—seed stock for potential restoration efforts in the future.
1. What’s the best title for the passage?| A．Noah’s Ark mission | B．Corals are endangering |
| C．Corals are put in containers | D．Fight to preserve the corals |
| A．To emphasize it was very serious to corals. |
| B．To show few cared about its existence. |
| C．To appeal for international cooperation. |
| D．To state it was involved with climate change. |
| A．They conducted research on the spot. |
| B．They found it tough to collect corals. |
| C．They collected healthy corals. |
| D．They desired to get close to corals. |
| A．Culture. | B．Economy. | C．Entertainment. | D．Environment. |
8 . We think of sweaters as comfortable ways to stay warm in chilly temperatures. Penguins think of sweaters as ways to stay safe after oil spills. At least that’s the idea behind wrapping penguins in knitted (编织的) sweaters and jumpers.
The Penguin Foundation, an Australian charity that raises money to protect and conserve the environment of Phillips Island, started dressing the island’s tiny penguins in knitted sweaters following an oil spill in 1998. When penguins are dirty, they usually clean themselves. This process involves penguins in separating their feathers and making them smooth with their beaks. If they’re coated with oil, then penguins are going to ingest some of the petrol.
The penguin Foundation started the Knits for Nature program following a number of spills that occurred in the late 1990s and early 2000s. Then knitters from all over the world were invited to knits sweaters for the penguins. The sweaters, apart from looking adorable, were intended to stop the penguins from ingesting any oil that had coated their bodies. If they don’t have to clean themselves, then they won’t ingest the oil, thus upping the chances of the penguins’ survival. The sweaters, which are 100 percent wool, are also intended to keep the penguins warm since the oil impair the birds’ natural thermoregulation. Therefore, these sweaters are both stylish and practical.
Almost 20 years later, the Penguin Foundation has tens of thousands of these little sweaters--more than it’ll hopefully ever need when it comes to saving penguins in the event of an oil spill. As a result, the foundation doesn’t use the sweater it has received for penguins any longer. Instead, they are used by toy penguins that the foundation gives away with certain donations and as auction items during fundraisers. All the money raised will be used by the foundation to protect the penguins. The sweaters are also shipped to other rescue centers if they’re needed, and the foundation uses the sweaters to educate children visitors to the center about conservation efforts.
1. Why are knitted sweaters used to wrap penguins?| A．To keep them clean. | B．To make them attractive. |
| C．To help the foundation raise money. | D．To protect them from oil spills. |
| A．The Knits for Nature program started in the 19th century. |
| B．Only Australians are called on to knit sweaters. |
| C．The sweaters are completely made of wool. |
| D．The sweaters are effective but out-of-date. |
| A．valuable | B．secure | C．fashionable | D．adaptable |
| A．The ways to protecting penguins. | B．The solutions to extra sweaters. |
| C．The advantages of the sweaters. | D．The functions of the foundation. |
Three sites in China˗˗an ancient tea-producing area, a nomadic livestock-rearing region and a rain-fed stone terrace farming system˗˗were formally recognised as Globally Important Agricultural Heritage Systems (GIAHS), for their unique ways of using traditional practices and knowledge while maintaining unique biodiversity and ecosystems.
An ancient tea-producing area (中国福建安溪铁观音茶文化系统)
Tea production in Anxi, Fujian, is believed to date from the 10th century, with its most famous tea, Tieguanyin, coming into
A Grassland nomadic system (中国内蒙古阿鲁科尔沁草原游牧系统)
The Ar Horqin grassland nomadic system in northern China’s Inner Mongolia region has a variety of ecosystems, such as forests, grasslands, wetlands, rivers with important ecological
The Shexian Dryland Stone Terraced System (中国河北涉县旱作石堰梯田系统)
The Shexian Dryland Stone Terraced System in Hebei, is a rain-fed agricultural system dating back to the 13th century.
Milwaukee, Wisconsin, is road testing a new way to keep winter roads ice-free by spreading on them cheese brine, the salty liquid
Wisconsin, also called “America’s Dairyland”, is famous for its cheese. The state produced 2.8 billion pounds of cheese last year! As a result, there
Cheese brine has salt in it,
In addition to saving money, cheese brine could also be a more eco-friendly option. Many people suspect that all the rock salt used every winter
