1 . ______ finished the sentence ______ all the students exited the classroom.

A．As soon as the teacher… that	B．No sooner have the teacher … than
C．The teacher hardly… before	D．Scarcely had the teacher …when

2 . Directions: Your school is going to host a summer camp for junior middle school students. You are supposed to make a speech to recruit volunteers for this activity. Your speech should include the basic qualifications for applicants and other information which you think is relevant to the task. Write a composition of about 150 words.
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3 . 我惊叹不已的是由于你能记住一切，我不必把诸如电话号码和生日等事情塞进脑子里。(同位语从句) (汉译英)

4 . 睡眠不足并缺少蛋白质摄入的人很容易感染新冠，并很快就出现注意力不集中的症状。(starve) (汉译英)

5 . 陆家嘴新区的现代建筑与浦江另一边的旧建筑很好地结合在一起。(integrate) (汉译英)

6 . 孩子年幼时缺少父母关爱所造成的不良后果很难消除。(undo)(汉译英)

7 . Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

More Americans are opting to work well     1     retirement, a growing trend     2     threatens to upend the old workforce model.

One in three Americans who are at least 40 have or plan to have a job in retirement to prepare for a longer life, according to a survey     3     (conduct) by Harris Poll for TD Ameritrade. Even more surprising is that more than half of “unretirees” — those who plan to work in retirement or went back to work after retiring — said they     4     (employ) in their later years even if they had enough money to settle down, the survey showed.

Financial needs aren’t the only culprit for “the unretirement” trend.     5    , according to the study, include personal fulfillment such as staying mentally fit, preventing boredom or avoiding depression. About 72% of “unretire” respondents said that they would return to work     6     retired to keep mentally fit while 59% said it would be tied to making ends meet.

“The concept of retirement is evolving,” said Christine Russel, senior manager of retirement at TD Ameritrade. “It’s not just about finances. The value of work is also driving folks     7     (continue) working past retirement.”

One reason for the change in retirement patterns: Americans are living longer. The share of the population 65 and older was 16% in 2018, up 3.2% from the prior year, according to the U.S. Census Bureau. That’s also up 30.2% since 2010. Older Americans are also the fastest-growing segment of the U.S. workforce, and boomers are expected to live longer than previous generations. The percentage of retirement-age people in the labour force has doubled over the past three decades. About 20% of people 65 and older were in the workforce in February, up from an all-time low of 10% in January in 1985, according to money manager United Income.

Unfortunately, many people who     8     (choose) to work in retirement are preparing to do so because they are worried about making ends meet in their later years, said Brent Weiss, a co-founder at Baltimore-based financial-planning firm Facet Wealth. He suggested that preretirees     9     speak with a financial adviser to set long-term financial goals.

“    10     (challenging) moments in life are getting married, starting a family and ultimately retiring,” Weiss said. “It’s not just a financial decision, but an emotional one. Many people believe they can’t retire.”

8 . What life will be in 2050?

It’s hard to say definitively what life will be like in 2050. However, we can make some educated guesses based on the trends that are happening now. For instance, it’s likely that technology will play an even greater role in our lives than it does now. We might have flying cars, or robots to do our household chores.

The world population is projected to reach 9.7 billion by 2050, so resources may be strained. People may live in smaller homes or even underground to conserve space and energy. We may also see drastic changes in the way we get our food. With advances in technology, it’s possible that we’ll be able to create artificial meat or grow food in laboratories.

In 2050, many aspects of our life will be very different from what they are now. People’s lives, the environment, transportation, and education all change at a new level.     1     People will have more transportation options as a result of scientific progress. Solar-powered, wind- powered automobiles that are less harmful to the environment will become available and utilized. Anyone will be able to visit other planets using modern technology. As flying cars become more common, cities will need to adapt by building more vertical infrastructure like skyports. These multi-level buildings would be used for takeoffs and landings, and could also include shopping, dining and entertainment options.

    2     And with the help of upcoming technology, we may not need formal schooling anymore. You would be able to learn anything you want from the comfort of your home with online teachers. The schedule will be more optional for you to choose as long as it meets your needs and timeframes.

There will be a lot of new jobs born to serve the development of society. And if you are good at using social media, you can be an online celebrity and make a lot of money. You can also choose to be a full-time housewife and take care of your family if you want.     3    

Rockefeller University mathematical biologist Joel Cohen predicts that by 2050, the world will be majority urban dwellers with a high average age. In contrast, U.S. cities theorist Richard Florida believes that urbanization trends will result in a work-from-home economy and do away with divisions between home and work life. Other experts interviewed by Popular Mechanics envision a future in which solar energy is ubiquitous, 3-D printing has replaced traditional manufacturing and everyone has a personal assistant in the form of an AI.

However, there are also some reasons to be pessimistic about the future. The world will be a more dangerous place in 2050. Global warming will cause rising sea levels and extreme weather conditions that will make life difficult for people around the world.     4    

A．As technology continues to develop, so does the concern for environment.

B．By 2050, everyone will be able to afford higher education.

C．In addition, there will be new diseases that we have not yet seen.

D．In general, life in 2050 is more convenient, more comfortable and more fun.

E．There are some grounds for optimism in this scenario.

F．As a result, we will have a lot of health problems.

9 . On a recent sunny day, 13,000 chickens roam over Larry Brown’s 40 windswept acres in Shiner, Texas. Some rest in the shade of a parked car. Others drink water with the cows. This all seems random, but it’s by design, part of what the $6.1 billion U.S. egg industry bets will be its next big thing: climate-friendly eggs.

These eggs, which are making their debut now on shelves for as much as $8 a dozen, are still labeled organic and animal-friendly, but they’re also from birds that live on farms using regenerative agriculture — special techniques to cultivate rich soils that can trap greenhouse gases. Such eggs could be marketed as helping to fight climate change.

“I’m excited about our progress,” says Brown, who harvests eggs for Denver-based NestFresh Eggs and is adding more cover crops that draw worms and crickets for the chickens to eat. The birds’ waste then fertilizes fields. Such improvements “allow our hens to forage for high-quality natural feed that will be good for the land, the hens, and the eggs that we supply to our customers.”

The egg industry’s push is the first major test of whether animal products from regenerative farms can become the next premium offering. In barely more than a decade, organic eggs went from being dismissed as a niche product in natural foods stores to being sold at Walmart. More recently there were similar doubts about probiotics and plant-based meats, but both have exploded into major supermarket categories. If the sustainable-egg rollout is successful, it could open the floodgates for regenerative beef, broccoli, and beyond.

Regenerative products could be a hard sell, because the concept is tough to define quickly, says Julie Stanton, associate professor of agricultural economics at Pennsylvania State University Brandywine. Such farming also brings minimal, if any, improvement to the food products (though some producers say their eggs have more protein).

The industry is betting that the same consumers paying more for premium attributes such as free-range, non-GMO, and pasture-raised eggs will embrace sustainability. Surveys show that younger generations are more concerned about climate change, and some of the success of plant- based meat can be chalked up to shoppers wanting to signal their desire to protect the environment. Young adults “really care about the planet,” says John Brunnquell, president of Egg Innovations. “They are absolutely altering the food chain beyond what I think even they understand what they’re doing.”

1. The climate friendly eggs are produced ______.

A．at a considerably low cost	B．at the demand of regular shoppers
C．as a replacement for organic eggs	D．on specially designed farms

2. Larry Brown is excited about his progress in ______.

A．reducing the damage of worms	B．accelerating the disposal of waste
C．creating a sustainable system	D．attracting customers to his products

3. It can be learned from the last paragraph that young people ______.

A．are desperate to change their diet	B．are likely to buy climate-friendly eggs
C．are enthusiastic about new food	D．are amazed at environmental problems

4. John Brunnquell would disagree with Julie Stanton over regenerative products’ ______.

A．market prospects	B．nutritional value
C．standard definition	D．moral implications

10 . Directions: Fill in each blank with a proper word chosen from the box. Each word can be used only once. Note that there is ONE WORD MORE than you need.

A. voyaged     B. barely     C. renowned     D. abnormality     E. discipline     F. navigable G. unprecedented     H. eyed     I. Fortunately     J. accessible     K. degradation

For voyager and green promoter Zhai Mo, the 504-day non-stop voyage to the Arctic Ocean has stimulated his concern about the climate and awareness of his responsibilities.

Navigating more than 28,000 nautical miles (51,856 kilometers) in harsh conditions, Zhai, a (n)     1     Chinese explorer, returned to Shanghai on his aluminum sailboat on Nov 17, along with two crew members, becoming the first man to successfully circle, both ways, the Arctic Ocean without stop. “This non-stop Arctic Ocean circle route can be said to be     2    . We     3     both the northeast and northwest routes while previous explorers only chose one route. This is a self-challenge and transcendence in the history of human navigation,” the 54-year-old says.

Zhai undertook this task as an ambassador of the Chinese navigation science and marine public welfare, and also the ForNature Campaign of the United Nations Development Program. He set sail on June 30 last year to raise public awareness of global warming, climate change and land     4    . During the trip, he crossed the East China Sea, the Western Pacific, the Bering Strait, the Chukchi Sea, the East Siberian Sea and the Beaufort Sea. He saw dolphins, whales, walruses, sea lions and seals, as well as shoals of cod and wolf fishes.

“When we passed through the Northwest Pacific Ocean on our way back, we encountered three typhoons within a week, which     5     happened in the past,” Zhai recalls.

Zhai didn’t see any floating ice during his one-week voyage in the Kara Sea while the previous meteorological data showed ice there.

“My own experience tells me that climate     6     is obvious now,” Zhai says.

The voyage, to enter the Arctic Ocean from the Bering Strait before making a round trip returning to Shanghai, was planned to take four months, but the return schedule was delayed for more than a year. “As soon as we entered the Bering Strait, we encountered a polar cyclone. A large number of ice floes and icebergs were blown to the coast. However, the Arctic Ocean can only be     7     near land, so we had been carefully crossing between ice floes and icebergs for a long time and the speed was only 1 to 3 knots,” Zhai says. But for Zhai, the most difficult part of the whole voyage was around 75 degrees north. The Arctic Ocean is known as the “dead channel”, Zhai says, adding that the location where the Titanic went down was on his route and dotted with countless icebergs. After entering the iceberg region, Zhai navigated the sailboat while the two crew members went on watch to report on the menacing ice. Despite the precaution, the boat hit an iceberg near Greenland, causing water seepage below the waterline that had to be dealt with. Meanwhile, compasses and electronic goods on the boat failed because of the magnetic field. “I had never encountered this situation in sailing before,” says Zhai.     8    , he took a fiber optic compass specially used for high latitude navigation, and managed to leave this area with visual aids. In addition to ice floes and icebergs, Zhai and his team also faced severe tests such as heavy fog, strong winds and huge waves. When sailing through the Chukchi Sea, the boat navigated around a large area of ice floes and heavy fog resulting in visibility of no more than 10 meters. They spent nearly 11 hours to get just 50 nautical miles. “We tried to leave as soon as possible during our voyage in the Arctic Ocean,” he says, adding that there was a constant danger of being trapped by the ice.

Zhai was attracted by sailing when holding an art exhibition abroad in 2000. In 2007, he got a second-hand sailboat with simple supplies, such as instant noodles, pancakes and potatoes, and started his voyage trip around the world.

After that 35,000-nautical-mile voyage, Zhai     9     an Arctic Ocean journey. “Navigation is a comprehensive     10    . You should know not only astronomy but also geography. You also need to be a carpenter, fitter, hammerer and painter, and should be able to survive in a harsh, outdoor environment,” Zhai says.

He adds that he hopes more young people would participate in navigation, to promote and publicize the ocean awareness and navigation spirit. He is preparing for the third voyage trip around the world next year or the year after that. “Antarctica is also a very big challenge. I hope to explore more unknowns, and I also want to launch a transoceanic sailing competition.”