1. What is the speaker?
A.An official. | B.A reporter. | C.A researcher. |
A.500. | B.300. | C.200. |
A.Shortening the pilots’ night flying time. |
B.Punishing the pilots sleeping during work. |
C.Lengthening the working hours of the pilots. |
A.Unscientific. | B.Useless. | C.Wise. |
1. When is Steve going out with Jennifer?
A.On Monday. | B.On Saturday. | C.On Friday. |
A.On Pine Street. | B.On 2nd Street. | C.On 1st Street. |
A.At 12:00 pm. | B.At 11:30 pm. | C.At 10:30 pm. |
A.A church. | B.A stadium. | C.A flower shop. |
1. What are the speakers talking about?
A.Writing a paper on museums. |
B.Buying some works of art. |
C.Arranging a weekend trip. |
A.Musée d’Orsay. |
B.Musée du Louvre. |
C.Center Georges Pompidou. |
A.$120. | B.$200. | C.$350. |
1. For what was the football match put off?
A.Some players. | B.The weather. | C.The playground. |
A.Visit some football players. |
B.Meet her Chinese friends. |
C.Eat out with her. |
The history of advertising has always been closely linked with
6 . As the coronavirus pandemic spread out, the demand for smell training therapy (疗法) stepped up, as potentially millions of those who had COVID-19 experienced losing their sense of smell.
Unlike some other viruses that can cause the loss of smell by directly infecting cells involved in detecting smell, the virus that causes COVID-19 spares them. Instead, the coronavirus infects surrounding support cells. To defend the body against the virus, immune cells rush to this site of infection and generate antiviral proteins, which then lead to the loss.
Approximately 80% of COVID-19 patients who had lost their sense of smell regained it without any treatment within one to four weeks. But as three months went by, patient Chris Rogers’ situation barely improved, so he started to seek out smell training therapy.
Twice a day for 10 weeks, Rogers sniffed four kinds of essential oils—rose, lemon, eucalyptus, and clove—to potentially strengthen the survival of newly formed smell-detecting cells or speed up their production and rebuild the connection between his nose and brain. To assess whether this smell therapy was effective, the doctor asked Rogers to distinguish between a number of additional smells before and after the smell training. Rogers did the therapy for 10 weeks and started noticing improvements at week six. At least five months since the smell training ended, the improvements can be more like 75%.
While scientists have recorded improvements in some individuals’ ability to smell, it has been difficult to show how much of that improvement comes from the therapy itself or natural recovery occurring over time, said Eric Holbrook, a doctor at Massachusetts Eye and Ear Hospital. “But I continue to recommend the therapy because such training could speed up the healing process. Also, it’s one of very few and often the only therapeutic options that’s available to millions of COVID-19 patients who haven’t been able to regain their sense of smell for months,” Eric Holbrook added.
Although the benefits of smell training can vary considerably among patients, depending on their starting point, “it is generally not considered harmful,” says Bradley Goldstein, a specialist studying at Duke University. “But we still need to find specific, more effective drug therapies. It’s really an unmet need.”
1. What is the second paragraph mainly about?A.The ways of restoring the sense of smell. |
B.The significance of smell training therapy. |
C.The main symptoms of coronavirus infection. |
D.The reason for the loss of smell in COVID-19 patients. |
A.To estimate the effectiveness of smell training. |
B.To improve the sensitivity of Rogers’ sense of smell. |
C.To make Rogers remember the smell of common oil. |
D.To rebuild the connection between Rogers’ nose and brain. |
A.Favorable. | B.Indifferent. | C.Ambiguous. | D.Disapproving. |
A.Encouraging patients to recover naturally. |
B.Developing better drug therapies for patients. |
C.Conducting the smell training on a large scale. |
D.Providing long-term health guidance for patients. |
7 . When they fell in love with breakdancing, or Breaking, these boys never imagined this fringe cultural offering would one day become a mainstream Olympic sport.
Considered a bad student who frequently skipped class, Shang Xiaoyu had no idea how his life would be changed by dancing. Shang was 13.One day, when he happened to pass through a classroom where some students were practicing their breaking moves, a mere glance of the scene made him love Breaking. It soon became his focus and he also proved to be a natural at it. Later he became the only Chinese competitor at the 2018 Youth Olympic Games. A bigger stage awaits him now as the International Olympic Committee (IOC)has announced breakdancing as an official Olympic event to debut(首次亮相)in Paris in 2024.
Born in 1987, Yang Kai had his first taste of Breaking when he was 15. At that time Breaking had long been regarded by mainstream society as a dance type for “slackers”. Therefore, when Yang decided to quit school and become a break dancer, he received strong opposition from his parents. But his persistence finally persuaded his parents. Later, he won a dozen championships, making him the “B-Boy King of China”.
“China has been lagging behind some countries in terms of Breaking,” Yang explained. “When I started practicing, it was hard to find professional coaches, who are necessary as Breaking is physically extremely demanding and it’s easy to get hurt.”
The high demand for physical power and skill made Breaking a strong candidate for its eventual inclusion in the Olympics. After the trial run at the 2018 Youth Olympics, the IOC gave it the provisional nod for inclusion at the Paris 2024 Games in March 2019 and further rubber-stamped it in December 2020.
Some have voiced their concerns that the rules to measure Breaking at the Olympics might affect the freedom of the discipline’s artistic expression. Wang Shenjiong, Shang’s coach, commented that such worries are simply “narrow-minded”. He said, “Its inclusion will make Breaking be seen as a serious career choice and create more opportunities.”
1. What can we know about Shang Xiaoyu?A.He began his breaking class at age 13. |
B.He is training hard for the 2024 Olympic Games. |
C.He disliked studying but was gifted at dancing. |
D.He has participated in many international events. |
A.It was popular with Chinese youth. |
B.It was not widely accepted by the public. |
C.It was the most fashionable dance style. |
D.It was preferred by bad high school students. |
A.It is consistent with the Olympics spirit. |
B.It is more popular and artistic than other sports. |
C.It sets a high standard for physical strength and skills. |
D.Its trial competition in 2018 was unexpectedly successful. |
A.People should accept different ideas. |
B.Rules may restrict artistic expression. |
C.We should be serious about our career choice. |
D.The Olympics will offer break dancers a bigger stage. |
8 . With a relatively small population, pandas are not out of the woods or the bamboo forest just yet. The biggest threat to the wild panda population is habitat loss. And while around 54%of its wild habitat is protected, these areas are still vulnerable to natural disasters, such as wildfires. To protect panda habitat, the Digital Panda System, developed in a joint venture between the Sichuan Forest and Grassland Administration and Chinese technology giant Huawei, was used effectively across forest and grasslands in Sichuan Province.
The instant reporting system helps to detect wildfires in hard-to-reach areas, alerting fire departments so they can intervene (干预) quickly, as well as monitoring wildlife. Meanwhile, another smart technology-facial recognition-could help identify individual pandas more accurately. Each panda has a unique facial structure and hair pattern. To the human eye, their fur-covered faces all look the same, but computer algorithms are able to distinguish the differences.
The system collects data from 596 cameras, 45 infrared cameras, drones and satellites, which it stores in the cloud. Researchers use this data to monitor, track and study wildlife, as well as detect wildfire hotspots. Because the cameras are used in remote areas where there is little or no electricity, the system is solar powered and uses microwave transmission (传送), which doesn’t require cables (电缆).
The system assists 140,000 forest rangers, grassland managers, conservationists and researchers in Sichuan. In its first five months of operations, it detected 651 wildfire hotspots, reducing forest fires by 71.6% compared to the same period the previous year.
Despite its name, the Digital Panda System offers protection to more than just pandas. The system covers the Sichuan section of the newly established Giant Panda National Park. The park is home to most of China’s 1800 wild pandas-along with a further 8000 animal and plant species. In the future, the digital panda system could be extended across the sections of the national park that lie in Shanxi and Gansu provinces, creating more success stories for other endangered species.
1. Why was the Digital Panda System developed?A.To monitor the health of giant pandas. |
B.To record the population of wild animals. |
C.To predict natural disasters in Sichuan Province. |
D.To protect endangered species from habitat loss. |
A.Its major functions. | B.Its complex design. |
C.Methods of using it. | D.Inspiration for creating it. |
A.It has gone into service nationwide. |
B.It consumes a lot of electricity to operate. |
C.It works effectively in reducing forest fires. |
D.It mainly relies on satellites to collect data. |
A.Human activities cause pandas to lose their home. |
B.Smart technology is helping to save endangered animals. |
C.Huawei has taken the lead in facial recognition technology. |
D.The digital panda system has protected many species’ habitats. |
A hero father is being praised for jumping in to help rescue the children in a school bus
Recalling the accident. Jenkins said that it was pretty scary.
Reports suggested that the school bus