1 . While warming up to a cheerleading competition, 17-year-old Keianna Joe experienced a scary medical event. She
Andrea Joe, Keianna’s mother, said her daughter’s cheer coach ran madly,
For about ten
Then, a portable defibrillator (除颤器) arrived on the scene. Thankfully, Andrea had received training on these
“The machine said, ‘Shock required’,” Andrea said. “And I mean, I’ve trained on these AED (自动体外除颤仪) devices before and they’ve never told me, you know, ‘Shock required’.” Nevertheless, Andrea used the defibrillator to
After a 10-day hospital stay, Keianna is out, but with a mini defibrillator in her
“She’s with me, she’s here, she’s right next to me and I’ve got her,” Andrea said. “And it’s the best feeling ever.”
1.| A．cried | B．fell | C．slept | D．escaped |
| A．waited | B．begged | C．screamed | D．answered |
| A．ambulance | B．office | C．company | D．court |
| A．weak | B．pale | C．unhealthy | D．unconscious |
| A．sprang | B．came | C．exploded | D．dashed |
| A．cheered up | B．calmed down | C．lay down | D．took over |
| A．forgive | B．save | C．follow | D．cure |
| A．days | B．hours | C．minutes | D．seconds |
| A．experimented | B．based | C．performed | D．improved |
| A．situations | B．devices | C．patients | D．processes |
| A．encourage | B．support | C．bring | D．shock |
| A．more | B．better | C．faster | D．longer |
| A．heart | B．chest | C．head | D．face |
| A．helped | B．prepared | C．caused | D．decided |
| A．welling | B．growing | C．drying | D．holding |
2 . Parkinson’s is a progressive brain disease which leads to shaky hands and slow movement, and there is no cure. Tai Chi, a traditional Chinese martial art that combines (结合) slow, gentle movements with deep breathing and relaxation, may be an effective means of reducing the suffering. Recently, the researchers say that those who practised the martial art twice a week had fewer complications (并发症) and better quality of life than those who didn’t. Experts say the findings back up previous studies on the benefits of exercise for those with Parkinson’s.
The study, from Shanghai Jiao Tong University School of Medicine, monitored the health of hundreds of Parkinson’s patients for up to five years. One group of 147 people practised regular Tai Chi while another group of 187 did not. The researchers found that the disease progressed more slowly in the Tai Chi group on measurements of symptoms (症状), movement and balance. This group also saw fewer falls, less back pain and dizziness, with memory and concentration problems also lower than in the other group. At the same time, sleep and quality of life continuously improved.
Prof. Alastair Noyce, professor in neurology and neuroepidemiology at Queen Mary University of London, called it “an important study”—the positive effects on aspects of motor (运动的) and non-motor functions are impressive — but said there were limitations in its design, and more tests were needed.
“We already recommend Tai Chi, as well as other forms of exercise, but understanding which forms of exercise are most beneficial is an important goal to improve the long-term management of patients,” he said.
1. Why was the study conducted?| A．To find a cure for Parkinson’s disease. |
| B．To improve the sleep quality of Parkinson’s patients. |
| C．To remove the misunderstanding of the previous studies. |
| D．To research the benefits of Tai Chi for those with Parkinson’s. |
| A．Concentration problem was lower in the Tai Chi group. |
| B．The disease progressed more slowly in the Tai Chi group. |
| C．Patients in the non-Tai Chi group continuously fell down. |
| D．Back pain and dizziness were relieved in the Tai Chi group. |
| A．Tai Chi should be given more preference. |
| B．Finding the most beneficial exercise is of importance. |
| C．It is unnecessary to do more related studies. |
| D．Improve the long-term management of patients is impossible. |
| A．Confused. | B．Doubtful. | C．Positive. | D．Worried. |
3 . Is It Worth Buying Organic Food?
Organic food, grown without artificial chemicals, is increasingly popular nowadays. Consumers have been willing to pay up to twice as much for goods with organic labels (标签). However, if you think paying a little more for organic food gets you a more nutritious (有营养的) and safer product, you might want to save your money. A study led by researchers at Stanford University says that organic products aren’t necessarily more nutritious, and they’re no less likely to suffer from disease-causing bacteria, either.
The latest results, published in the Annuals of Internal Medicine, suggest that buyers may be wasting their money. “We did not find strong evidence that organic food is more nutritious or healthier,” says Dr. Crystal Smith-Spangler from Stanford. “So consumers shouldn’t assume that one type of food has a lower risk or is safer.”
For their new study, Smith-Spangler and her colleagues conducted a review of two categories of research, including 17 studies that compared health outcomes between consumers of organic against traditional food products, and 223 studies that analyzed the nutritional content of the foods, including key vitamins, minerals and fats.
While the researchers found little difference in nutritional content, they did find that organic fruit and vegetables were 20% less likely to have chemicals remaining on the surfaces. Neither organic nor traditional foods showed levels of chemicals high enough to go beyond food safety standards. And both organic and traditional meats, such as chicken and pork, were equally likely to be harmed by bacteria at very low rates. The researchers did find that organic milk and chicken contained higher levels of omega-3 fatty acids, a healthy fat also found in fish that can reduce the risk of heart disease. However, these nutritional differences were too small, and the researchers were unwilling to make much of them until further studies confirm the trends.
Organic food is produced with fewer chemicals and more natural-growing practices, but that doesn’t always translate into a more nutritious or healthier product. The U.S. Department of Agriculture (USDA) states that “Whether you buy organic or not, finding the freshest foods available may have the biggest effect on taste.” Fresh food is at least as good as anything marketed as organic.
1. The new research questions whether organic food ________.| A．should replace traditional food |
| B．has been overpriced by farmers |
| C．is grown with less harmful chemicals |
| D．is really more nutritious and healthier |
| A．organic food could reduce the risk of heart disease |
| B．traditional food was grown with more natural methods |
| C．both organic and traditional food they examined were safe |
| D．there was not a presence of any forms of bacteria in organic food |
| A．Organic chicken and pork. |
| B．Organic milk and chicken. |
| C．Traditional chicken and pork. |
| D．Traditional fruit and vegetables. |
| A．Doubtful. | B．Positive. | C．Unconcerned. | D．Approving. |
4 . Aron Ralston was a pretty normal guy, but he always had an extremely adventurous desire to travel and see the world. During his childhood, his family moved to Denver, Colorado, a place offering many opportunities to climb mountains, explore, and eventually become the adventurer he’d always wanted to be. Back in 2003, Ralston was climbing in the remote, mountainous area of Southwestern Utah, when the unthinkable happened: Aron got stuck in a crevice (裂缝) in the rocks and pinned by a big stone that weighed over 360 kilograms. The weight of the rock crushed his arm, and he was pinned by it. Aron took photos of his bad situation (which was going to get a lot worse), hoping rescue teams (救援队) would know where he was and came to remove the rock so that he could get out and home safe.
But rescuers never came. Aron waited for them for days till he lost his hope. He knew he had to do something. He was 18 meters above the floor of the valley where he was pinned in, and he had a pocketknife. He made what must have been one of the most difficult decisions of his life: to cut his own arm in order to survive. Aron cut the lower part of his arm off, having to wrench (扭动) his forearm against the big stone to break the bones, and then got himself down to the bottom of the valley, where he would begin to walk and search for help. Luckily, help arrived in the form of a helicopter (直升机) that spotted him, covered in blood. Aron had tied off the wound to keep himself from bleeding to death pretty successfully and would eventually make it out alive.
Ralston went on to become an inspiring speaker and continued to travel and climb mountains—he didn’t let an incident that forced him to cut his own arm off, stop him from doing what he really loved.
1. What can be inferred about Aron’s getting stuck?| A．It was unavoidable. | B．It resulted from his being lost. |
| C．It was unexpected. | D．It was caused by a moving stone. |
| A．To send them to rescuers for help. | B．To keep a record of his adventure. |
| C．To remind his friends of the danger. | D．To tell the doctors about his wound. |
| A．He waited for the rescue to come. |
| B．He cut the stone using his pocketknife. |
| C．He moved off the stone using all his might. |
| D．He cut his lower part of his arm and broke the bones. |
| A．His cruelty and anger. | B．His effort and bravery. |
| C．His talent and creativity. | D．His calmness and determination. |
5 . People tend to use trees for papermaking. But maybe electronics (电子) engineers are missing out on something here. “It turns out that two major building blocks of wood have a lot of electrical qualities,” says Magnus Berggren, a professor at Linköping University.
His team has been working to make parts for electronics from the forest. Right now, they’re focusing on two materials of trees. The first material is cellulose, which can make energy. Lignin, the second material, can store that energy, just as a battery does. The team has found when pressed, cellulose can produce electricity.
Some device must then store the electricity until it’s needed. Batteries can do this. But batteries aren’t very green. They have harmful materials. That’s where lignin comes in.
Batteries cause electrons to flow from one place to another, which can produce electricity. In a typical battery, one material must give electrons. The other must accept them. Lignin can do both. A weak acid (酸) encourages lignin to produce electrons. “With a metal wire (金属线) to guide those electrons, you’ll have electricity,” says Berggren.
Berggren’s team use this quality to create its new lignin-based battery. Typical batteries use a metal wire as a path to guide the flow of electrons into or out of the device. But since Berggren wants to make a battery of the forest, he looks for a natural way. Once again, he turns to cellulose.
This natural material can serve as a wire-like path for electrons. To make it work well, Berggren lines them with another chemical known as PEDOT, which isn’t from a tree. But when PEDOT is added to cellulose, they can conduct electricity like a wire. “With a weak acid, now you have a battery,” Berggren says. “And two of its three materials come from the forest.”
Berggren can imagine one day having mobile phone batteries made largely from forest products. Tree-based electronics might also be useful in lighting.
1. What is cellulose used to do in the study?| A．Act as a weak acid. | B．Collect rainwater. |
| C．Produce electricity. | D．Make quality paper. |
| A．Well-received. | B．Eco-friendly. | C．Harmful. | D．Heavy. |
| A．They may change farming practices. | B．They might save a lot of wood. |
| C．They would serve the elderly. | D．They could light the rooms. |
| A．A Green Way to Make and Store Energy | B．An Attempt to Raise Power Production |
| C．Practical Suggestions on Planting Trees | D．Recent Advances in Mobile Phones |
6 . Our two-year investigation into caged (关在笼中) tigers in America sent us through 32 US states—with some truly shocking experiences. But as the deadline neared, I still needed a powerful and hopeful image.
When we began our reporting in 2017—Sharon, writing; me taking photos; and our son, NickRuggia, filming—more tigers likely lived in cages in the US than remained in the wild. The number ranged from 5,000 to 10,000, but without strict government oversight, no one knew for sure.
Roadside zoos that allowed tourists to take pictures of young tigers were the main cause of what’s been called a US tiger crisis (危机). Caged cats often ended up in the illegal wildlife trade. Young tigers, parted from their mothers at birth, were fed poorly and touched by hundreds of people. When they grew too big and dangerous to pet at around 12 weeks, young tigers were put on show, or simply disappeared.
While we documented the unpleasant part of this industry, we also wanted to show the good life these impressive animals could have. With two weeks left before my deadline, I headed to the Wild Animal Sanctuary near Denver, where well-cared cats walked freely in their habitat.
There I met Clay, Daniel, and Enzo, three of 39 tigers rescued from an animal park in Oklahoma. These nearly grown cats raced beside our car, which I’d seen only in the wild. It was a hot July day and soon two of the cats jumped into a pool to cool off. The third rested beside them on the ground. I crossed the road to take a picture of them. Then quietly, I came up close, trying not to disturb (打扰) them. I had the shot.
1. Why did the author start her reporting?| A．To dig out the dark truth of caged tigers. | B．To explore the amazing land in the country. |
| C．To tell people that baby tigers are harmless. | D．To share the happy moment during the trip. |
| A．Forest fires. | B．Climate change. | C．Roadside zoos. | D．Water pollution. |
| A．They prefer to stay indoors. | B．They are badly treated. |
| C．They get used to the changes. | D．They are traded legally. |
| A．To praise her family for their effort. | B．To explain what the animals suffered. |
| C．To introduce a special kind of tigers. | D．To show some tigers lead an easy life. |
7 . Leah Brown aged 36 fell several hundred feet from Oregon’s highest mountain right before the eyes of a group of volunteer rescue workers who rushed to her aid and helped save her life.
The woman was coming down a popular path (小路) on Mt. Hood, about 70 miles east of Portland, on Saturday morning, according to the local police. Mt. Hood is the highest in Oregon, standing at around11.240 feet.
The fall was seen by members of Portland Mountain Rescue (PMR), a volunteer organization focused on helping people in mountainous areas. The group called 911 and rushed to the woman, providing medical care. They helped keep the woman warm for seven hours as the police worked to get her off the mountain safely. Finally, the woman was evacuated (转移) to a parking lot at 9:30 pm and taken to a hospital.
The climber, Leah Brown, said she didn’t know what caused her fall. “I can only guess it was either an ice tool or a crampon (冰爪) that didn’t land and stick like it should have, so I became detached from the mountain,” Brown said. “The thing I’d like to most stress is my appreciation for the members of PMR who evacuated me and took good care of me the whole time,” Brown added. “They saved my life. ”
In a statement after the rescue, PMR warned of the dangerous winter conditions at the mountain. “The short days and lower temperatures mean that the snow tends to be very hard and icy, and the conditions tend to be much steeper. Climbing the mountain in icy conditions is much more difficult,” the group said.
1. What happened to Brown on Saturday morning?| A．She lost her way in a forest. | B．She hurt her eye unexpectedly. |
| C．She failed to call her family. | D．She fell down on a downhill path. |
| A．Different. | B．Hidden. | C．Separated. | D．Tired. |
| A．Thankful. | B．Regretful. | C．Surprised. | D．Concerned. |
| A．Climbing requires teamwork. | B．Climbing in winter is too risky. |
| C．We must remain positive in hard times. | D．We can admire the view on sunny days. |
8 . My dad is easy-going and has a gift for chatting. He
One Saturday, we went
Dad said, “Hi, how are you today? This is my son. I have a restaurant, and we
Back in the car, Dad said to me, “The cashier was obviously
| A．owns | B．describes | C．visits | D．recommends |
| A．supermarket | B．hospital | C．restaurant | D．company |
| A．hiking | B．camping | C．exploring | D．shopping |
| A．imagined | B．believed | C．noticed | D．remembered |
| A．beautiful | B．unhappy | C．professional | D．polite |
| A．received | B．needed | C．avoided | D．offered |
| A．suitable | B．frightening | C．special | D．friendly |
| A．helped | B．refused | C．waited | D．forgot |
| A．problem | B．idea | C．hope | D．experience |
| A．talking to | B．looking after | C．going after | D．laughing at |
| A．work | B．play | C．tour | D．exercise |
| A．drive | B．tie | C．treat | D．lead |
| A．quitted | B．finished | C．missed | D．regretted |
| A．in peace | B．in danger | C．in a hurry | D．in low spirits |
| A．warmly | B．immediately | C．secretly | D．comfortably |
9 . I was 6 years old when my father told me we were leaving the Big Apple Circus (马戏团). Until that point, I had spent most of my life on the circus lot, playing with the other circus kids. The circus, by its nature, is one that has a loose structure. So the early years after my leaving the circus to sit in a classroom all day felt more like a prison.
But years later, I found areas that interested me. I took the skills I had learned from being onstage and applied them to broadcasting. And so when Boston’s news station WBUR offered me a job out of college, I jumped at the chance. Along the way, I found I really enjoyed the work. I became WBUR’s news reporter. The flexibility and adaptability I’d learned in the circus as a child helped me do my job naturally and easily in a stressful situation — whether it was a destructive tornado outside Boston, or the Boston Marathon bombings of 2013.
But then a serious infectious disease appeared. Suddenly, for the first time in my adult life, I went for a year without doing any shows. But it became clear to me that performing was what I truly wanted. For me, the circus symbolizes who I am. And stages have always been where I’ve felt the most free. Some people get nervous before they go onstage, but by assuming (扮演) the character of Jacques ze Whipper and drawing a stupid moustache on my face, all my social anxiety disappears.
Circus performances go beyond age, socioeconomic status (地位), and even language. It’s the type of performance where you can go anywhere in the world to entertain anyone — help anyone forget their troubles for 5, 10, and even 30 minutes. And most importantly, for me, it means coming home.
1. How did the author feel in the early years of school?| A．Curious. | B．Unfree. | C．Loose. | D．Impatient. |
| A．He did it for his father. | B．He did it against his will. |
| C．He risked his neck doing it. | D．He took to it like a duck to water. |
| A．A means of living. | B．A chance to go anywhere. |
| C．A part of his identity. | D．A way to forget his troubles. |
| A．To express his love for circus performances. |
| B．To stress the value of performing. |
| C．To share his personal experiences in a circus. |
| D．To discuss the problem of choosing a job. |
10 . The sun was shining brightly over our heads and sweat (汗水) was pouring off our backs and faces. We stood still without
It was
After this journey, we were more
Military training taught us perseverance (不懈) and determination. On the last day of our training, the confidence could be
| A．crying | B．making | C．sending | D．telling |
| A．nothing | B．anything | C．something | D．everything |
| A．wasted | B．spent | C．kept | D．took |
| A．strict | B．curious | C．interesting | D．normal |
| A．success | B．pleasure | C．worry | D．wonder |
| A．referred to | B．devoted to | C．turned to | D．listened to |
| A．sunlight | B．wealth | C．desire | D．health |
| A．received | B．helped | C．offered | D．happened |
| A．concerned | B．determined | C．interested | D．surprised |
| A．expected | B．expressed | C．disliked | D．rescued |
| A．escaped | B．moved | C．rode | D．rushed |
| A．larger | B．stronger | C．louder | D．lower |
| A．seen | B．heard | C．smelt | D．touched |
| A．thoughts | B．feelings | C．opinions | D．voices |
| A．travelling | B．falling | C．setting | D．smiling |
