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A number of scientists are emphasizing the tremendous challenger that will soon be posed when the depletion of fossil fuel supplies coincides with an alarming increase in the global population. They highlight agriculture, which is heavily dependent not only on gasoline to fuel machinery but also on the petrochemicals without which today’s synthetic fertilizers and pesticides could not be manufactured. But for the latter two, crop yields would be only a fraction of what they are. To assume that an abundant source of renewable energy will be a panacea is to ignore these vital non-fuel uses of petrochemicals. Then there is the challenge posed to the current levels of mobility. As a fuel, gasoline has an unrivalled portability compared to electricity, which requires bulky batteries, and hydrogen, which is notoriously difficult to store. Biofuels might seem like an alternative but the energy (currently in the form of fossil fuels) consumed when converting corn into bioethanol, for instance, greatly exceeds the output when the fuels is utilized. In any case, once the crisis in the food supply looms large it will not make sense to divert food crops to other uses. There seems to be a widespread belief that the era of oil dependency is coming to an end. There is a widespread complacency resting on the assumption that the experts will come up with a technological remedy making for a completely pain-free transition. Scientists such as Walter Youngquist argue that tis assumption may be mistaken and that the remaining resources might only support half of the current global population. In his opinion, the absence of a realistic alternative to fossil fuels will mean, amongst other things, that the first priority will be to curb the demand for food  
5. It is stated in the passage that the general population _________________

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Some experts fear that many people are becoming overweight. Adults are encouraged to exercise for a minimum of thirty minutes, five times a week, and the average person is (1) ____ to take 10,000 steps per day to maintain basic fitness, but it is a fact that few office workers manage to take more than 5,000.  Now architects have designed ‘fit’ office buildings which encourage employees to become healthier because they have to walk while they are at work. In these buildings, meeting rooms and car parks are placed a long way from office desks so that workers have to walk to (2) ____ them. In one building the cafe is located in the furthest section so that some workers have to walk as (3) ____ as half a kilometer to and from lunch. There is special emphasis on (4) ____ people to use stairs instead of lifts, and long staircases are broken into flights of no more than nine stairs, so that they don’t look so difficult to climb. There are also large windows which provide attractive views over the city. (9) ____, the lifts are not easy to get access to, and in some buildings, they only stop at one floor in three.  It’s a design policy for a fitter environment which encourages people to walk without making it appear to be hard work - but will it be successful? Only time will tell

Each sentence has a mistake. Find it by chosing A B C or D

It is often said that an early life of hardship and poverty made Abraham Lincoln to be the great leader he was

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Though overwhelmed by the news of the novel coronavirus outbreak, Munyaradzi Gurure, the 21-year-old student at Guangxi University of Finance and Economics from South Africa, has still stepped out to serve as a volunteer in the train station to help battle the epidemic.  “I’m well aware the situation of epidemic prevention and control is very severe,” he said. “Seeing that many people actively joined in the fight, I also wanted to do my part and volunteer at the station.” With the number of novel coronavirus cases continuing to rise both in and outside of China, Gurure’s family back in South Africa was very worried about his health, and hoped he would quit the volunteer job. “I told my parents China has taken a lot of strong quarantine measures and is actually safe,” he said. “I want to do whatever I can to prevent the spread of the infection. The country took really good care of me during the last three years.”  Working about four hours a day, Gurure either carries an 8-kilogram electric sprayer to disinfect the waiting room or checks passengers’ temperature as soon as they walk into the station. He also makes sure people are in good health and wearing masks at all times. Though it’s not easy work, Gurure came across many Chinese who are very surprised to see a foreign face, but then give a thumbs up and say “very good” to him in Chinese. Gurure’s foreign classmates found out about his volunteer job and sent messages saying “good job”, some showing interest in joining him to help curb the spread of the virus. 
There are many ways in which you can help people with disabilities; however, be  aware that there are also ways you can hinder rather than help them. Please read through these tips before you try helping someone with a disability. Here are some general rules for helping all people with disabilities.  Always treat people with disabilities as equals. All people want to have friends, fun, and experience life to the maximum. People with disabilities are no exception. Never be afraid, skeptical, or embarrassed to approach someone with a disability. People with disabilities have just as much fun!  Always ask before you help. People with disabilities have varying levels of independence. Never assume someone with a disability has a low-level. If someone looks like they’re struggling, ask before you help. A person may welcome help, or they may ask that you let her be independent; but even if she looks like she’s struggling, she may just want to become more independent, which requires practice in everyday situations.  Never assume someone does or does not have a disability. Everyone is different. Sometime, people with disabilities may act, feel, or think differently than you. Don’t assume that for this reason someone has a disability, simply treat him/her as an individual because all people should be treated equally.  Do not stare. Sometimes it is an eye-opening experience to see someone with a disability in public. However, people with disabilities have lives just like everyone else. You are certainly allowed to look, but do not stare at a person with a disability. Simply view them the way you view others.  Respect and understand confidentiality. People with disabilities have a right to privacy. They are not obligated to tell you about their disability. If someone does tell you about his/her disability, do not assume that he/she is comfortable with you telling other people about his/her disability. Always ask permission to discuss the disability before you do it. 
2. What should we do if we want to help someone?

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My mom is a pretty talented pianist. She reads music very well and loves to play  Chopin and various other classical artists. One of my earliest memories involves sitting under her piano bench while she played. It gave her a lot of joy and a lot of personal pride, I think. I trust that she naturally wanted those things for me when she enrolled me in piano lessons when I was about seven years old.  I hated them. I was scared of my teacher. I hated practicing. I hated the songs I was being forced to learn. I hated reading music. I was a young kid, and there were other things I wanted to do instead. It just didn’t interest me, and no amount of begging and pleading on my mother’s part could get me to enjoy practicing. One thing in particular that she used to say as she was begging me to practice was, “One day, when you’re older, you will cherish the ability to sit down and play.” Nevertheless, after a couple years of once-a-week torture, she finally allowed me to quit.  Years went by. I switched schools when I was 11 years old, got a new best friend, and got interested in music. This was a critical turning point. My best friend loved the band Bush and lots of other alternative bands of the ‘90s, and listening to them unlocked a whole new sonic world for me. I fell in love, fell completely and totally in love, with rock music.  My friend taught me the form for a power chord on her acoustic guitar. If you know how to play a power chord, you can play or at least convincingly fake pretty much every single rock song in the world. It was like someone had given me my first hit of a powerful opiate.  I spent hours practicing in my room. Hours sounding out my favourite songs. More hours playing along with those songs in front of my mirror, pretending I was Scott Weiland, Dolores O’Riordan, Chris Cornell, or my personal favourite Louise Post (of Veruca Salt). I unlocked a talent within myself that had gone obscenely undiscovered and undeveloped when I was a young child banging my head against a piano keyboard, trying and failing to read a piece of music - I could play the guitar by ear. I just hadn’t had the time to figure that out because my mom was trying so hard to get me to do something that did not come naturally to me and that I had no desire to do.
6. Thanks to hard practice, the writer succeed in ___

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In many places in the world, social or religious restrictions which prevent women from travelling freely

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Prosthetic body parts have been around in many shapes and forms for thousands of years. But up until just a few decades ago, they were often uncomfortable, provided little to no control for the user and didn’t look all that great either. Fast-forward to the present day and thanks to advances in medicine, robotics and neuroscience, a number of bionic body parts have been developed that have the power to be truly life-changing for those who need them the most, from a bionic eye to an artificial kidney to a thought-controlled robotic leg. Many of these bionic body parts are still in the early stages of production and are far from being rolled out to those that need them. That’s because there are all kinds of challenges to consider – not only the materials the body part is made from, but also integrating it into our bodies so it isn’t rejected, as well as developing ways for it to become part of our nervous system, so it behaves like any other limb or organ. Add to that the huge raft of financial, ethical, moral and political implications of enhancing our bodies with the help of technology. But it’s easy to overlook all of these concerns when the tech sounds so exciting, promising and like the robotic hands, arms and whole bodies of our sci-fi dreams. “The public perception of bionics is vastly different from the reality of prosthetics,” Kia Nazarpour, director of expertise in bio and environmental engineering, at Newcastle University, told us. "That’s thanks to science writers and researchers who showcase their work in a sci-fi oriented way to increase publicity."  
4. According to paragraph 2, what is NOT one of the problems encountered by bionic technology?

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In 1988, a year before the Soviet Union collapsed, the 13th National Congress of the  Communist Party of Vietnam adopted a resolution to have “more friends and fewer enemies”. So it was not surprising when Vietnam expressed interest in joining ASEAN as early as 1992, or when it did in fact join in July 1995.   Vietnam’s membership of the grouping integrated its security with the whole of Southeast Asia and created a favourable environment for economic development. This, in turn, raised Vietnam’s global image, leading to increased cooperation with multiple players in the region and greater bargaining clout with super powers like the United States and China. As an ASEAN member, Vietnam has worked hard to secure peace and reconciliation among Southeast Asian nations, which were once deeply divided by war. Vietnam was the first Indochinese country to join ASEAN, and its move helped end confrontation between the Indochinese bloc and ASEAN. Vietnam has also helped ASEAN partner with non-regional players.  Vietnam also led efforts within ASEAN to ensure regional security. Soon after becoming a member, Vietnam signed the Treaty on the Southeast Asian Nuclear-WeaponFree Zone and was one of the founding members of the ASEAN Regional Forum. But the most proactive steps by Hanoi towards regional stability have revolved around disputes in the South China Sea. A direct claimant in the dispute, Vietnam, along with the Philippines, has made constant efforts to put the South China Sea on ASEAN’s agenda, ensuring conflict is dealt with in a constructive way. Vietnam has shown constant support for the Declaration on the Conduct of Parties in the South China Sea, ASEAN’s Six-Point Principles on the East Sea, and the soon-to-be-concluded Code of Conduct of Parties in the East Sea. Vietnam calls for the settlement of disputes by peaceful means on the basis of international law and the 1982 United Nations Convention on the Law of the Sea — including through regulations on respecting exclusive economic zones and the continental shelf of coastal countries. Vietnam has remained committed to ASEAN since it joined in 1995 and Vietnam is beginning to integrate further with the global community, and  cooperation with ASEAN will always be an important pillar in its foreign policy. But Vietnam’s interest in ASEAN is not
limited to security issues. Its leadership also drives efforts toward an ASEAN Economic Community (AEC). 
6. The word “pillar” in paragraph 4 is closest in meaning to _______

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Instead ___________ starting with something serene and relaxing, he played a song with fast tempo and strong beats.

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Saving the planet is very much in vogue. It’s also in Harper’s Bazaar, Elle and Mademoiselle. It’s the message on fashion runways, in marketing strategies, in jewelry and accessory designs, on shopping bags and totes, in advertisements and on price tags. A naked fashion model wearing a hat of birch branches and lichen, as shown in Vogue this month, may not be everyone’s idea of environmental awareness. But the pervasiveness of ecological themes in the images and marketing of fashion is undeniable. It is also somewhat paradoxical. The fashion industry, whose driving philosophy involves encouraging consumers to discard the old and embrace the new, is now trying to push itself to the forefront of efforts to conserve and preserve. The environmental theme in fashion began as wispy touches and graphic exhortations in designer collections, not as some well-thought-out strategy of “green” marketing in which the environmental advantages of a product become part of the sales approach. Tendrils of ivy dangled from the ceiling at a Paris fashion show; a carpet of grass covered a runway in New York; models marched along in T-shirts or carrying signs all bearing slogans like “Clean Up or Die,” “Save the Sphere,” and “Environmental Protection Agents”.  The environmental spin on fashion has now moved into the mass market, where ‘’clothes with conscience’‘ make an extra tug at the buyer’s self-image. Bonjour, a jeans and sportswear company based in New York, has embarked on a program to ’‘change the individual’s outlook toward saving the environment’’ through educational tags. This summer, the first wave of what Bonjour executives said would be 50 million fashion items a year are to arrive in stores carrying tags with environmental tips from how to save water to how to reduce pollutants. Whether these tributes to nature will benefit the environment or even raise environmental awareness, with concomitant changes in individual behavior, is not clear. There is some skepticism. Professor Ewen says the new environmental symbolism should be viewed as part of an overall change in America’s economy, from one built on industrial production of hard goods to one based on “pure representation”. “Going back to fashion, the environment has become a commercial cliche separated from real concerns. What can be attached to this year’s fashion is merely the symbolism of environmental sanity.” 
7. The word “one” in paragraph 5 refers to _____

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Thanks to electricity, candles are no longer a necessity in our lives, but they are still a pleasure. The warm flame of candlelight can quickly alter the mood and atmosphere of a room, often creating a  peaceful scene that electric light just cannot match.
Candles are an important part of many cultural and religious festival and have been burnt in various forms for centuries. The ancient Romans and Egyptians made candles from a type of fiber coated with wax. However, up until the nineteenth century, most candles were made from a substance called tallow, obtained from beef fat. Tallow candles were very smoky and, understandably, had an unpleasant odor.
In the 19th century, candle makers learned to separate stearin, the solid form fat used as a type of glue, from tallow and used it to harden other fats. Candles that contained stearin would burn longer than previous ones and had a better smell. Stearin is still one of the main components of modern candle- making, and the techniques used to create candles today are much the same as they have been for many years. These days, the increase range of wax dyes, perfumes and other additives that are now available make candle making a very exciting and rewarding hobby.
Sales of candles have increased greatly over the last few years, showing that they have become part of our lives again, not through necessity, but because of the magical atmosphere they create. In our increasingly stressful lives, the calming quality of candlelight has a relaxing effect that many enjoy.
For those would like to learn to make candles, finding and buying candle-making kits is easy. Candle- making is definitely enhanced by the exciting possibilities of experimentation with various materials. Be brave and try out different effects – some of the most wonderful creations can happen by accident. With a bit of practice, you will be amazed at the very professional finish that can be achieved.
Despite their delicate beauty, candles can, of course, be highly dangerous. One should never leave lit candles unattended, even for a few moments. Always make sure candles are securely placed within candleholders.
Teach your children to respect a burning candle, and of course keep burning candles away from flammable materials. Keep your home safe by remembering that a candle is magical, but fire can be very destructive. Be careful, and enjoy the beauty of your candles!

What does the passage warn readers not to do?

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Parents usually decide on given names for their children before they are born. In some  families the oldest boy is given the same name as his father. In the US the word junior or senior, or a number, is added after the name and surname to make (1) ____ clear which persons is being referred to. For example, the son of William Jones Sr (Senior) (2) ____ be called William Jones Jr (Junior), and his son would be called William Jones III (“William Jones the third”).  Many popular names come from the Bible, e.g. Jacob, Joshua, Matthew, Mary, Rebecca and Sarah, (3) ____ this does not imply that the people who choose them are (4) ____. Other people give their children the name of somebody they admire, such as a famous sports personality, or a film or pop star. In Britain, the name William and Harry became common again after the sons of Prince Charles were given these names. In the US Chelsea was not a common name for a girl (5) _____President Bill Clinton’s daughter Chelsea came to public attention

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Minister of Industry and Trade Tran Tuan Anh said over the past 50 years of co- operation and development, besides security, political, cultural and social cooperation, ASEAN has been focusing on economic co-operation through the establishment of the ASEAN Economic Community.  ASEAN member states have carried out such activities as one-stop-shop custom procedure, mutual recognition arrangements (MRAs) on electricity, rubber, processed food, pharmaceuticals, etc. Statistics by the Ministry of Industry and Trade reveals when Vietnam joined AFTA in 1996, the country’s two-way trade turnover with other countries in the bloc was only some 5.9 billion USD. In 2018, this number increased by more than 9.5 times and reached about 56.3 billion USD. In the first six months of 2019, Vietnam’s exports to ASEAN reached 13.067 billion USD, up 6.7 percent year-on-year.  Notably, the introduction of the AEC marked a new integration step of ASEAN economies with a goal of building a competitive, dynamic and innovative ASEAN. Tran Thanh Hai, deputy head of the Import-Export Department under the Ministry of Industry and Trade, said that entering the ASEAN market, many Vietnamese products have had positive changes and become more competitive. For example, Vietnam used to acquire shrimp cultivation methods from other countries, such as Thailand in the past. However, it has made it to the list of biggest shrimp exporters in the world. On the other hand, having joined the AEC, enterprises now pay more attention to product quality, including technical standards.  Even when Vietnam enters a new era of integration with global-scale free trade agreements already put on the table for negotiation, the role of ASEAN Economic Community is still significant. AEC lays a firm foundation for Vietnam to continue its journey of global integration, insiders said. 
5. The word “its” in paragraph 4 refers to _______

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Who talks more - men or women? Most people believe that women talk more. However, linguist Deborah Tannen, who has the studied the communication style of men and women, says that this is a stereotype. According to Tannen, women are more verbal - talk more - in private situations, where they use conversation as the “glue’ to hold relationships together. But, she says, men talk more in public situations, where they use conversation to exchange information and gain status. Tannen points out that we can see these difference even in children. Little girls often play with one ‘best friend’ and their play includes a lot of conversation. Little boys often play games in groups, their play usually involves more doing than talking. In school, girls are often better at verbal skills, while boys are often better at mathematics.
A recent study at Emory University helps to shed light on the roots of this difference. Researchers studied conversation between children aged 3-6 and their parents. They found evidence that parents talk very differently to their sons than they do to their daughters. The startling conclusion was that parents use more language with their girls. Specifically, when parents talk with their daughters, they use more descriptive language and more details. There is also far more talk about emotions, especially with daughters than with sons.

Which word is similar in meaning to the word “glue” ?

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According to the report, we can expect some pretty remarkable changes to our homes  and our personal spaces, overlooked things that make up so much of our daily routine. As human populations soar, our cities and homes will have to adapt; interior living spaces will change as a cloud changes, easily reconfigured and rearranged to suit our fickle tastes, or accommodate different purposes.  Imagine walls and floors made of a malleable “skin,” and embedded with tiny sensors and actuators so that the shape and size of living spaces can quickly change, or even be divided into smaller rooms; imagine fully programmable “smart homes” that can be controlled remotely, and provide feedback to their owners - yes, there’ll even be an app for that.  Virtual decorations will alter with changing tastes, moods and whims; and the entire interior surface of the home will be implanted with LED technology - television screens and computer displays will form and unform in any room, as needed. Even our furniture will be adaptable, molding to custom fit our bodies, responding to changes in posture, or disappearing altogether when not needed.  It will be the ultimate evolution of the “Internet of Things.” Misplaced something? Can’t find your keys? No problem. Just use an online search function to find it. Hate the color of that accent wall? Delete it. Need more storage space? Watch new shelves appear, as if by magic. And the amenities are fantastic. Every home will come standard with a 3D printer; they’ll be able to churn out just about anything you could wish, using downloadable patterns, probably including even complex electronic devices. They may even print out your meals, designed and programmed by the world’s master chefs.  Walk-in “medical pods,” meanwhile, will contribute to the decentralization of healthcare - their imaging sensors will diagnose your ills and, for the more easily treatable maladies, dispense drugs, inject antibiotics, and recommend health regimens. It may even be possible to undergo remote, robot-mediated surgery, in the comfort of your own home.  This barely scratches the surface. Imagine homes whose very building material is salted with dormant limestone-producing bacteria, which awaken upon contact with moisture and repair any cracks or structural damage.  There will be “digestion tanks” full of anaerobic bacteria, to dispose of our waste; and our homes will produce, store, and reuse their own energy, using “microbial fuel cell stacks” and more efficient solar panels to generate electricity, and power-banks like the Tesla power wall to store it against future use. Personal homes will be almost fully independent of a dangerously overtaxed energy grid.  One hundred years in the future, our houses will be, in almost all respects, semiliving, artificial organisms - closed systems with a metabolism, sensory apparatus, immune response, and an approximation to a nervous system. We’ll be living in homes that are practically alive.
2. The word "overlooked" in paragraph 1 is closest in meaning to ______

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Most people think that lions only come from Africa. This is understandable because in fact most lions do come from there but this has not always been the case. If we went back ten thousand years, we would find that there were lions roaming vast sections of the globe. However now, unfortunately only a very small section of the lion's former habitat remains.
Asiatic lions are sub-species of African lions. It is almost a hundred thousand years since the Asiatic lions split off and developed as a sub-species. At one time the Asiatic lion was living as far west as Greece and they were found from there, but in a band that spreads east through various countries of the Middle East, all the way to India. In museums now, you can see Greek coins that

have clear images of the Asiatic lion on them. Most of them are dated at around 500 B.C. However, Europe saw its last Asiatic lions roaming free two thousand years ago. Over the next nineteen hundred years the numbers of Asiatic lions in the other areas declined steadily, but it was only in the nineteenth century that they disappeared from everywhere but in India.
The Gir Wildlife Sanctuary in India was established especially to protect the Asiatic lion. There are now around three hundred Asiatic lions in India and almost all of them are in this sanctuary. However, despite living in a sanctuary, which makes them safe from hunters, they still face a number of problems that threaten their survival. One of these is the ever-present danger of disease. This is what killed more than a third of Africa’s Serengeti lions in 1994, and people are fearful that something similar could happen in the Gir Sanctuary and kill off many of the Asiatic lions there.
India's lions are particular vulnerable because they have a limited gene pool. The reason for this is interesting is because all of them are descended from a few dozen lions that were saved by a prince who took a particular interest in them. He was very healthy, and he managed to protect them; otherwise they would probably have died out completely.
When you see the Asiatic lion in India, what you sense is enormous vitality. They are very impressive animals and you would never guess that they have this vulnerability when you look at them.

According to the passage, many people believe that lions come from .

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____ UNESCO criteria for outstanding universal value to humanity, Trang An Scenic Landscape Complex was added to the World Heritage List in 2014.

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Digital learning is replacing traditional educational methods more and more each day. With (1) ____ rapidly classrooms are changing, it is best to forget methods you may remember from when you were in school and start thinking about newer teaching and learning techniques based on digital learning tools and technologies. The inclusion of digital learning in the classrooms can (2) ____ from simply using tablets instead of paper (3) ____ using elaborate software programs and equipment as opposed to the simple pen. This could entail using sites, services, programs, teaching tools, and technologies like study aids built for at-home (4) ____. Even social networks and communications platforms can be used to create and manage digital assignments and agendas. (5) ____ of how much technology is integrated into the classroom, digital learning has come to play a crucial role in education. It empowers students by getting them to be more interested in learning and expanding their horizons

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Herman Melville, an American author best known today for his novel Moby Dick, was actually more popular during his lifetime for some of his other works. He traveled extensively and used the knowledge gained during his travels as the basis for his early novels. In 1837, at the age of eighteen, Melville signed as a cabin boy on a merchant ship that was to sail from his Massachusetts home to Liverpool, England. His experiences on this trip served as a basis for the novel Redburn (1849). In 1841, Melville set out on a whaling ship headed for the South Seas. After jumping ship in Tahiti, he wandered around the islands of Tahiti and Moorea.This South Sea island sojourn was a backdrop to the novel Omoo (1847). After three years awayfrom home, Melville joined up with a U.S. naval frigate that was returning to the eastern United States around Cape Horn. The novel White Jacket (1850) describes this lengthy voyage as a navy seaman. With the publication of these early adventure novels, Melville developed a strong and loyal following among readers eager for his tales of exotic places and situations. However, in 1851, with the publication of Moby Dick, Melville's popularity started to diminish. Moby Dick, on one level the saga of the hunt for the great white whale, was also a heavily symbolic allegory of the heroic struggle of humanity against the universe. The public was not ready for Melville's literary metamorphosis from romantic adventure to philosophical symbolism. It is ironic that the novel that served to diminish Melville's popularity during his lifetime is the one for which he is best known today.
9. The word "metamorphosis" in paragraph 2 is closest in meaning to:

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It _______________last night because the ground is really wet.

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Today, the menu on the ISS includes more than 100 items …….. astronauts can choose their daily meals before they fly into space.