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[S2 빠바 7-ex1]

1. The Greek historian Herodotus wrote a story about cinnamon, which he had learned of from the Phoenicians.


[S2 빠바 7-ex2]

1. For over a year, I have been saving all my allowance—three dollars a week.
2. In addition, I have been earning more money doing jobs such as washing my aunt's car and weeding our neighbor's garden.


[S2 빠바 7-1]

1. Instead, the odor the flowers give off attracts flies, which land on the flowers and become trapped by thick hairs.


[S2 빠바 7-4]

1. Accepting it as fact, a mapmaker drew a map of Africa with a large chain of mountains, calling them the "Kong Mountains."
2. Only then were maps corrected, and the mysterious mountain range was erased.


[S2 빠바 7-5]

1. From time to time they try them on, as if to remind themselves of who they were.


[S2 빠바 7-6]

1. With societies so focused on individual freedoms these days, it is important to remind ourselves about the true reason we have social laws.
2. Think what would happen if everyone were allowed to drive as fast as they wanted.


[S2 빠바 8-ex1]

1. The combination of the weight of the person and the slight movement of the tile is used to create an electrical current.
2. When stepped on, the rubber tiles move downward just about five millimeters.
3. That's not much, but it's enough to create kinetic energy, which is stored in a battery.
4. These tiles are currently being used in London, where they can be found in a subway station and on the sidewalk in front of a shopping mall.


[S2 빠바 8-ex2]

1. Not only is it built from materials derived from vegetables, it also runs on chocolate!
2. Despite the car's environmentally-friendly design, it is able to reach speeds of around 145 mph.


[S2 빠바 8-3]

1. It began in Europe in the 1960s with shops selling handicrafts produced by the poor.
2. The first fair trade label was introduced in 1988 in the Netherlands, and was designed to help coffee growers.
3. Thousands of farmers and goods producers have been involved with the movement, which has improved their working conditions and transformed their lives.
4. Thanks to fair trade, they have been empowered to negotiate with their employers on equal terms.


[S2 빠바 8-4]

1. Although leading a simple life is possible, it is not enough for humans.


[S2 빠바 8-5]

1. It began when he saw a mysterious gray blob out of the corner of his eye while working late one night.
2. Trying to determine its cause, he eventually realized that a fan in his room was emitting a frequency of 18.98 Hz.
3. Based on his research, he created a theory that "ghosts" are just optical illusions caused by infrasound.


[S2 빠바 9-ex1]

1. When spending time at a pub or a restaurant, you might be brought a drink or a small plate of food at no charge.
2. If so, you'll likely be informed that it is "on the house."


[S2 빠바 9-ex2]

1. Researchers suggested an interesting theory about the reason why expensive shops are designed to be such calming places.


[S2 빠바 9-1]

1. For example, when I take my dogs out for a walk on a cold and rainy day, they're just as excited as they would be on a sunny day.


[S2 빠바 9-2]

1. What distinguishes recycling is not its importance, but rather the ease with which individuals can participate, and the visibility of actions taken to promote the common good.
2. When a public opinion poll in 1990 asked people what they had done in connection with environmental problems, 80 to 85% answered that they or their households had participated in various aspects of recycling; no other significant steps had been taken by the majority of respondents.


[S2 빠바 9-3]

1. This contrast is used to create a humorous effect throughout the book.


[S2 빠바 9-4]

1. Although getting them usually makes us feel good, it's a feeling that doesn't last for long.
2. In other words, the more we look for happiness outside of ourselves, the harder it becomes to find it.
3. It is considered to be one of the main reasons why we are often unsatisfied with our lives, despite all of the things we have acquired.
4. Whether we want gold, good grades, popularity, or attention, searching for external rewards is guaranteed to lead us away from happiness.


[S2 빠바 9-5]

1. They encounter more words when reading, which enables them to learn more words.
2. This is due to the fact that new words are presented in a familiar context, which makes it easier to learn their meaning.
3. The more frequently they see the words used in the stories, the more likely it is that they will remember the words.


[S2 빠바 9-6]

1. Back then, it was used to emphasize the reliance between soldiers.
2. The saying was also used to refer to the practice of using blood to finalize a contract.
3. When two people mixed their blood together, it was believed that their agreement was permanent and could never be broken.


[S2 비홍2 1-1]

1. As a young person about to enter adulthood, I've been thinking a lot lately about what I want to do with my life and how I might do something meaningful with my time.


[S2 비홍2 1-2]

1. The industrial designer Patricia Moore once asked herself these very questions as a young woman.
2. After traveling around North America like that for three years, she understood the difficulties the elderly face in our modern society and thus set to work designing products and services that would simplify life for our senior citizens.
3. I certainly don't want to get to the end of my life and say, "I wish I had done more to help people."


[S2 비홍2 1-3]

1. When asked about his motivation for writing this "Life List," he said that all the adults he knew seemed to complain that they hadn't accomplished things when they were younger.
2. "I was sure that if I planned for my future, I could have a life of excitement, fun, and knowledge."


[S2 비홍2 1-4]

1. First of all, I want to become a genetic engineer and develop tools and methods that might be used to treat rare diseases.
2. I wish I had set the goal earlier, but I still have plenty of time to accomplish this.


[S2 비홍2 2-1]

1. It is difficult to say which particular plant was the very first to be farmed, but there are a few crops that archaeologists believe sparked the Agricultural Revolution.
2. It is believed to have taken place in the fertile region of Mesopotamia, between the Tigris and Euphrates Rivers.


[S2 비홍2 2-2]

1. China and Southeast Asia seem to have been the center of the cultivation of rice about 7000 BCE.


[S2 비홍2 2-3]

1. Genghis Khan needed a massive, mobile army in order to maintain his empire, and this army needed to be fed enormous amounts of food.


[S2 비홍2 2-4]

1. Different types of the canned foods we enjoy today were originally developed to support the needs of the military.


[S2 비홍2 2-5]

1. With demand for spices growing in the early 15th century Europe, many explorers began long sea voyages in search of spices, which lasted for about 200 years.


[S2 비홍2 2-6]

1. The Romans had a flourishing spice trade with India, but acquiring pepper was difficult and costly, leading to myths about how dangerous it was to harvest.
2. They had to be scared away by burning the trees, which gave the peppercorn its black color.


[S2 비홍2 2-8]

1. With the world becoming a smaller place and more and more varieties of foods being invented, it's no wonder that many people take vacations where the focus is on their stomachs.


[S2 비홍2 3-1]

1. As of 2016, scientists estimate that approximately one trillion species exist today, out of which only 1.6 million are documented.


[S2 비홍2 3-2]

1. Soon, a stalk of spores grows out of the back of the ant's head, from which more spores can access more ants under the tree, a cruel but very effective way of expanding the fungus' territory.


[S2 비홍2 3-3]

1. They are as small as the period at the end of every sentence you write.


[S2 비홍2 3-4]

1. The vacuum of outer space can't stop them either; they were sent to space in 2007 and were found to have survived exposure to vacuum and deadly solar radiation for ten full days.
2. They avoid going completely dry with the help of some protectants in their body mass, which prevent the main components of their cells, including their DNA, from being destroyed.
3. When exposed to water, they rehydrate and reawaken.


[S2 비홍2 3-5]

1. One amazing plant is the floating bladderwort, which inhabits every continent except Antarctica.
2. With their sophisticated trapping mechanism, underwater seed-like bladders suck in prey in the blink of an eye.


[S2 비홍2 3-6]

1. The hairs are very sensitive, and a slight touch by a nearby prey activates them, unlocking the door and expanding the walls, which causes the water surrounding the prey to be sucked into the bladder.


[S2 비홍2 3-7]

1. Yeti crabs live 2,000 meters below the surface of the ocean, deep down on sulfur-rich thermal vents that spew water as hot as 380℃.
2. In such harsh environments, they survive by growing bacteria on their hairy claws, which constitute their main food source.
3. The crabs often wave their hairy claws near the vents, allowing the bacteria on the hair to have better access to oxygen, methane, or sulfide to grow better, which is definitely a cool way of farming in the deep.


[S2 비홍2 3-8]

1. Despite the relatively recent appearance of modern humans on Earth, we are led to believe that we "dominate" the natural world and that we are the "superior" life form.