1 . Covid-19 has brought a great deal of trouble for all of us since March 2020. During this time, mobile phones have been the solution for the boredom and restlessness caused from staying indoors. The most downloaded apps on play store 2020 are;
TikTok
TikTok was the most downloaded app. With over 111.9 million downloads, TikTok has seen a huge growth in 2020, twice more than what it got in 2019. 20% of its total downloads were from India and around 9. 3% of the total downloads were in the US.
Zoom
Zoom was the second most installed app in the overall downloads category. With nearly 94. 6 million installs, Zoom is the most used app for online meetings and virtual classrooms. 17% of its downloads were in the US and India. Offices and educational institutes were shut down and to continue working and studying from home, people relied heavily on Zoom for video conferencing and calling.
WhatsApp ranked third in overall downloads with more than 100 million downloads. It is one of the most popular and widely used chat applications; WhatsApp also supports communication between international phone networks.
It ranked fourth in the overall downloaded list. Facebook is the world’s most popular social networking application. Facebook builds technologies that give people the power to connect with friends and family, find communities and grow businesses.
1. What do we know about TikTok?| A．It is an India-based app. | B．It has most users in America. |
| C．It is used for growing business. | D．It has doubled its download than in 2019. |
| A．TikTok. | B．Zoom. | C．WhatsApp. | D．Facebook. |
| A．Communication. | B．Training. | C．Teaching. | D．Payment |
2 . If you were to throw, say, a banana peel out of your car while driving along the motorway, that would be a completely harmless action, due to the fact that it’s part of a fruit — right? Actually, no. A banana peel can take up to two years to be naturally processed, and with a third of motorists admitting to littering while driving, that’s a whole lot of discarded banana peels. An orange peel and a cigarette butt has a similar biodegrading (生物降解) term to that of a banana peel, but tin cans last up to 100 years; and plastic bottles last forever, as do glass bottles.
Despite the fact that longer-lasting materials will serve to damage the environment and its animals for longer, we can’t merely measure the severity of a certain type of rubbish by its lifetime. For example, despite having a fairly short length of biodegrading time, more than 120 tons of cigarette-related litter is discarded in the UK every day.
It’s not a cheap habit either: to keep our streets clean annually costs UK taxpayers £500 million, and when you include our green spaces, that goes up to £1 billion. So, it’s not surprising that if caught fly-tipping you could face a £20,000 fine or even jail time and, if you disposed of something dangerous, the court could give you five years to serve. Regardless of how severe these punishments might seem, however, among the reported cases only 2,000 were found guilty out of 825,000, so we still have some way to go in making sure people obey the rules.
1. What does the underlined word “discarded” in para1 mean?| A．Harmless. | B．Processed. | C．Thrown. | D．Long-lasting. |
| A．Glass bottles. | B．Tin cans. | C．Cigarette butts. | D．Banana peels. |
| A．The severity of rubbish can be measured by its lifetime. |
| B．Quite a few people were found guilty of illegally littering. |
| C．Every year UK taxpayers spend £500 million keeping streets free of dirt. |
| D．Cigarette-related litter and peels can be ignored for their fairly short lifetime. |
| A．To inform readers of different biodegrading terms. |
| B．To call for people not to litter illegally. |
| C．To encourage people to use fewer plastic bags. |
| D．To stress the importance of good behavior. |
3 . The UK government has promised to cut the country's greenhouse gas emissions (排放) by at least 68% by 2030 compared with 1990 levels, marking a significant increase from its current goal.
The new goal comes nine days ahead of the UK hosting a“climate action summit (峰会)”to encourage other countries to declare tougher climate plans, known as Nationally Deter-mined Contributions (NDCs), under the Paris Agreement. Current NDCs will raise temperatures by 3℃. And stronger plans are needed to meet the Paris deal's goal of limiting global warming to 1. 5℃.
"This is the most significant NDCs announcement so far from any major economy," said Richard Black at the Energy and Climate Intelligence Unit, a UK-based think tank, in a statement.
The new goal is exactly in line with what the government's official climate adviser, the Climate Change Committee, called for in a letter published earlier today. The group said 68% would be "“world-leading" compared with existing plans of governments.
The UK had previously promised a 53% cut in emissions as part of a joint (共同的) effort with the rest of the European Union, but the UK is determined to produce a new NDCs. Separately, the UK had also promised a 57% cut by 2032 domestically.
It is clear that far more action will be needed if the UK is to meet the new goal. The government's own analysis last week showed that recent major methods, such as banning newoil-fueled car sales by 2030，had failed to do enough to put the UK on track even for the old goal of 57% by 2032. The new goal obviously widens that gap further.
1. Why did the UK declare its new goal before “climate action summit”?| A．To show its former plans are based on facts. |
| B．To blame other countries for their low goals. |
| C．To call on other countries to take bigger steps. |
| D．To take the lead in controlling greenhouse gas emissions. |
| A．15%. | B．68%. | C．57%. | D．53%. |
| A．Disapproval. | B．Doubtful. | C．Unconcerned. | D．Subjective. |
| A．A new goal will be put forward on“climate action summit" |
| B．UK came up with a common goal under the Paris Agreement |
| C．UK's recent major policies are far from its predetermined goal |
| D．UK sets an ambitious climate goal of 68% emissions cut by 2030 |
4 . One day, Amanda was diagnosed (诊断) with cancer of an early stage. During this time, she was admitted to a college. She planned to save money to meet the college expense and then seek medical treatment for the cancer.
Her father, Clint and her friends didn’t want her to put off her treatment due to the expense. They took matters into their own hands and started a GoFundMe campaign. A longtime friend of the family was cofounder of a group named Praynksters, known for random acts of kindness. The friend decided to use their own group to help the family. The group came up with the creative idea to spread the word and invite families, friends, and strangers who wanted to help to take part in a donation activity. The event induced the enormous assistance from the local community.
Clint and Amanda were moved as the crowd passed by and the donations poured in. The event brought the family over $13, 000 in donations to go towards her medical treatments. The generous act of kindness gave the family a comforting, and optimistic feeling during a time when all hope seemed lost. Clint said that Amanda struggled with the idea of asking for help. She felt guilty and undeserving compared to others who are also struggling. She is still humbled by it all.
After several months of treatment, life for the family has started getting back to their normal routine. Once Amanda got her strength back, she returned to school and completed her bachelor's degree. The family is now inspired to volunteer in their local neighborhood and contribute to crowdfunding (众筹) efforts. They are grateful for the opportunity to give back and help others as many have helped them.
1. Why did Amanda postpone her treatment of cancer?| A．She didn't care about her disease. |
| B．She had to take care of her family. |
| C．She was in a bad economic situation. |
| D．She couldn’t find an effective treatment. |
| A．Brought about. | B．Made up. |
| C．Gave away. | D．Set about. |
| A．Shameful but caring. |
| B．Kind-hearted and grateful. |
| C．Curious and warm-hearted. |
| D．Hard- working and humorous. |
| A．It's quite easy to cure Amanda’s cancer. |
| B．Praynksters is a nonprofit organization funded by Clint. |
| C．Volunteering is very popular in Amanda's community. |
| D．A GoFundMe campaign is actually a crowdfunding activity. |
5 . Journey Back in Time with Scholars
Classical Provence(13days)Journey through the beautiful countryside of Provence，France，with Prof. Ori Z. Soltes. We will visit some of the best-preserved Roman monuments in the world. Our tour also includes a chance to walk in the footsteps of Van Gogh and Gauguin. Fields of flowers, tile-roofed(瓦屋顶)villages and tasty meals enrich this wonderful experience.
Southern Spain(15days)
Spain has lovely white towns and the scent(芳香)of oranges，but it is also a treasury of ancient remains including the cities left by the Greeks，Romans and Arabs. As we travel south from Madrid with Prof. Ronald Messier to historic Toledo，Roman Merida and into Andalucia, we explore historical monuments and architecture.
China’s Sacred Landscapes(21days)
Discover the China of “past ages,” its walled cities，temples and mountain scenery with Prof. Robert Thorp. Highlights(精彩之处)include China’s most sacred peaks at Mount Tai and Hangzbou’s rolling hills，waterways and peaceful temples. We will wander in traditional small towns and end our tour with an exceptional museum in Shanghai.
Tunisia(17days)
Join Prof. Pedar Foss on our in-depth Tunisian tour. Tour highlights include the Roman city of Dougga，the underground Numidian capital at Bulla Regia, Roman Sbeitla and the remote areas around Tataouine and Matmata，uique for underground cities. Our journey takes us to picturesque Berber villages and lovely beaches.
1. What can visitors see in both Classical Provence and Southern Spain？
| A．Historical monuments. | B．Fields of flowers. |
| C．Van Gogh’s paintings. | D．Greek buildings. |
| A．France. | B．Spain. | C．China. | D．Tunisia. |
| A．White towns. | B．Underground cities. | C．Tile-roofed villages. | D．Rolling hills. |
6 . Race walking shares many fitness benefits with running, research shows, while most likely contributing to fewer injuries. It does, however, have its own problem.
Race walkers are conditioned athletes. The longest track and field event at the Summer Olympics is the 50-kilometer race walk, which is about five miles longer than the marathon. But the sport’s rules require that a race walker’s knees stay straight through most of the leg swing and one foot remain in contact (接触) with the ground at all times. It’s this strange form that makes race walking such an attractive activity, however, says Jaclyn Norberg, an assistant professor of exercise science at Salem State University in Salem, Mass.
Like running, race walking is physically demanding, she says, According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories(卡路里) per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.
However, race walking does not pound the body as much as running does, Dr. Norberg says. According to her research, runners hit the ground with as much as four times their body weight per step, while race walkers, who do not leave the ground, create only about 1.4 times their body weight with each step.
As a result, she says, some of the injuries associated with running, such as runner’s knee, are uncommon among race walkers. But the sport’s strange form does place considerable stress on the ankles and hips, so people with a history of such injuries might want to be cautious in adopting the sport. In fact, anyone wishing to try race walking should probably first consult a coach or experienced racer to learn proper technique, she says. It takes some practice.
1. Why are race walkers conditioned athletes?| A．They must run long distances. |
| B．They are qualified for the marathon. |
| C．They have to follow special rules. |
| D．They are good at swinging their legs. |
| A．It’s more popular at the Olympics. |
| B．It’s less challenging physically. |
| C．It’s more effective in body building. |
| D．It’s less likely to cause knee injuries. |
| A．Getting experts’ opinions. |
| B．Having a medical checkup. |
| C．Hiring an experienced coach. |
| D．Doing regular exercises. |
| A．Skeptical. | B．Objective. |
| C．Tolerant. | D．Conservative. |
7 . Returning to a book you’ve read many times can feel like drinks with an old friend. There’s a welcome familiarity - but also sometimes a slight suspicion that time has changed you both, and thus the relationship. But books don’t change, people do. And that’s what makes the act of rereading so rich and transformative.
The beauty of rereading lies in the idea that our bond with the work is based on our present mental register. It’s true, the older I get, the more I feel time has wings. But with reading, it’s all about the present. It’s about the now and what one contributes to the now, because reading is a give and take between author and reader. Each has to pull their own weight.
There are three books I reread annually .The first, which I take to reading every spring is Emest Hemningway’s A Moveable Feast. Published in 1964, it’s his classic memoir of 1920s Paris. The language is almost intoxicating (令人陶醉的)，an aging writer looking back on an ambitious yet simpler time. Another is Annie Dillard’s Holy the Firm, her poetic 1975 ramble (随笔) about everything and nothing. The third book is Julio Cortazar’s Save Twilight: Selected Poems, because poetry. And because Cortazar.
While I tend to buy a lot of books, these three were given to me as gifs, which might add to the meaning I attach to them. But I imagine that, while money is indeed wonderful and necessary, rereading an author’s work is the highest currency a reader can pay them. The best books are the ones that open further as time passes. But remember, it’s you that has to grow and read and reread in order to better understand your friends.
1. Why does the author like rereading?| A．It evaluates the writer-reader relationship. |
| B．It’s a window to a whole new world. |
| C．It’s a substitute for drinking with a friend. |
| D．It extends the understanding of oneself. |
| A．It’s a brief account of a trip. |
| B．It’s about Hemingway’s life as a young man. |
| C．It’s a record of a historic event. |
| D．It’s about Hemingway’s friends in Paris. |
| A．Debt |
| B．Reward. |
| C．Allowance. |
| D．Face value. |
| A．He loves poetry. |
| B．He’s an editor. |
| C．He’s very ambitious. |
| D．He teaches reading. |
8 . Many of the Earth's creatures die because of humans' choices. These choices have nothing to do with food or shelter or anything else that helps humans survive. What kills millions of animals all over the world is that humans want to make money by doing so.
People use parts of animals for everything from hats to handbags, from jewelry to ashtrays and to make powders that supposedly improve a person's life. Deciding that a species is endangered and protecting it by law are not always enough. People who kill wildlife illegally rarely get caught.
During the late 1980s, saving elephants became a popular cause. Wildlife protection groups made sure everyone saw pictures or films of elephants with their faces cut off for their ivory. These groups also proved that certain populations of elephants were decreasing. As a result, most people stopped buying objects made of ivory. Laws against poaching (偷猎) were made stronger. Many countries made importing ivory illegal. Killing elephants for their Ivory became more risky and less profitable (有利可图的).
However, concern for certain species will become weak after a while. In the late 1970s, people protested (抗议) against the killing of seal babies. Everyone was shocked to see young seals being killed in their icy habitat. The cruel activity stopped. But ten years later, the number of seal babies killed was higher than ever.
Other animal protection movements have come and gone, such as saving the whales and protecting dolphins. The whale population appears to have increased for now. And the laws are finally changed in America to protect the dolphins that swim with tuna fish in parts of the Pacific Ocean.
In the years to come, people's attention will probably turn to some other endangered species. Plenty of them urgently need attention. During this time, will the elephants be forgotten?
1. What leads to the disappearance of millions of wild animals?| A．The growing human population. |
| B．Humans’ hope for making a fortune. |
| C．Humans’ too much need for wild food. |
| D．Not having enough laws on wildlife protection.. |
| A．Wildlife protection groups did make great efforts. |
| B．Importing ivory in all countries is illegal. |
| C．Those who killed elephants all got caught. |
| D．Hunting was completely not allowed. |
| A．To show the effort to protect seal babies. |
| B．To show an increasing number of seal babies. |
| C．To show the decrease of worry about certain species. |
| D．To show people’s protest against the killing of seal babies. |
| A．Humans should choose some rare animals to protect. |
| B．Attention must be paid to saving some endangered wildlife. |
| C．Success has been achieved in quite a few cases of wildlife protection. |
| D．Concern and movements for animal protection should be always kept. |
9 . Pacific Science Center Guide
◆Visit Pacific Science Center’s Store
Don’t forget to stop by Pacific Science Center’s Store while you are here to pick up a wonderful science activity or souvenir to remember your visit. The store is located(位于) upstairs in Building 3 right next to the Laser Dome.
◆Hungry
Our exhibits will feed your mind, but what about your body? Our café offers a complete menu of lunch and snack options, in addition to seasonal specials. The café is located upstairs in Building 1 and is open daily until one hour before Pacific Science Center closes.
◆Rental Information
Lockers are available to store any belongings during your visit. The lockers are located in Building 1 near the Information Desk and in Building 3. Pushchairs and wheelchairs are available to rent at the Information Desk and Denny Way entrance. ID required.
◆Support Pacific Science Center
Since 1962, Pacific Science Center has been inspiring a passion(热情) for discovery and lifelong learning in science, math and technology. Today, Pacific Science Center serves more than 1.3 million people a year and brings inquiry-based science education to classrooms and community events all over Washington State. It’s an amazing accomplishment and one we cannot achieve without generous support from individuals, corporations, and other social organizations. Visit pacificsciencecenter.org to find various ways you can support Pacific Science Center.
1. Where can you buy a souvenir at Pacific Science Center?| A．In Building 1. |
| B．In Building 3. |
| C．At the the Laser Dome. |
| D．At the Denny Way entrance. |
| A．Train Science teachers. |
| B．Distribute science books. |
| C．Inspire scientific research. |
| D．Take science to the classroom. |
| A．To encourage donations. |
| B．To advertise coming events. |
| C．To introduce special exhibits. |
| D．To tell about the Center’s history. |
