나무 숲

24강 1 Major long-term threats to deep-sea fishes, as with all life on the planet, derive from trends of global climate change. Although deep-sea fishes are generally coldwater species, warming of the oceans itself may not be a direct threat. Many of the deep-sea fishes originated during the early Cretaceous when the deep sea was warm, and the Mediterranean Sea, which is warm down to a depth of o..

23강 1 While the transportation infrastructure may shape where we travel today, in the early eras of travel, it determined whether people could travel at all. The development and improvement of transportation was one of the most important factors in allowing modern tourism to develop on a large scale and become a regular part of the lives of billions of people around the world. Technological adva..

22강 1 Among the most fascinating natural temperature-regulating behaviors are those of social insects such as bees and ants. These insects are able to maintain a nearly constant temperature in their hives or mounds throughout the year. The constancy of these microclimates depends not just on the location and insulation of the habitat, but on the activity of the insects in the colony. When the su..

21강 1 Some city planning experts called for legislation against texting while walking that would be followed by a deep change of norms. This recommendation is based on the assumption that this change is welcomed, but laws banning texting while walking failed in Toronto, Arkansas, Illinois, Nevada, New Jersey and New York. Meanwhile, high-tech firms are developing technological solutions to the p..

20강 1 In one experiment, children were told they could have one marshmallow treat if they chose to eat it immediately, but two treats if they waited. Most of the children, who ranged in age from 4 to 8, chose to wait, but the strategies they used differed significantly. The 4-year-olds often chose to look at the marshmallows while waiting, a strategy that was not terribly effective. In contrast,..

2019 수능특강 라이트 (개정) 19강 G Jack stopped the cycle of perfectionism that his son Mark was developing. Mark could not stand to lose at games by the time he was eight years old. Jack was contributing to Mark's attitude by always letting him win at chess because he didn't like to see Mark get upset and cry. One day, Jack realized it was more important to allow Mark some experience with losing, so he s..

2019 수능특강 라이트 (개정) 15강 G Urbanization has been taking place since the Neolithic Revolution, when agriculture enabled food surpluses to create a division of labor in settlements. The unlocking of human ingenuity to work on technology, trade, and urban culture has created ever-expanding opportunities in cities. However, while some cities took advantage of these new opportunities, many remained lit..

2019 수능특강 라이트 (개정) 14강 G Studies show that no one is “born” to be an entrepreneur and that everyone has the potential to become one. Whether someone does or doesn’t is a function of environment, life experiences, and personal choices. However, there are personality traits and characteristics commonly associated with entrepreneurs. These traits are developed over time and evolve from an individua..

2019 수능특강 라이트 (개정) 11강 G In the summer of 1972, the actor Anthony Hopkins was signed to play a leading role in a film based on George Feifer’s novel The Girl from Petrovka. That is why he traveled to London to buy a copy of the book. Unfortunately, none of the main London bookstores had a copy. Then, on his way home, waiting for an underground train at Leicester Square tube station, he saw a dis..

2019 수능특강 라이트 (개정) 13강 G In addition to controlling temperatures when handling fresh produce, control of the atmosphere is important. Some moisture is needed in the air to prevent dehydration during storage but too much moisture can encourage growth of molds. Some commercial storage units have controlled atmospheres, with the levels of both carbon dioxide and moisture being regulated carefully. ..

2019 수능특강 라이트 (개정) 12강 G Food unites as well as distinguishes eaters because what and how one eats forms much of one’s emotional tie to a group identity, be it a nation or an ethnicity. The famous twentieth-century Chinese poet and scholar Lin Yutang remarks “Our love for fatherland is largely a matter of recollection of the keen sensual pleasure of our childhood. The loyalty to Uncle Sam is the..

2019 수능특강 라이트 (개정) 10강 G Why does the “pure” acting of the movies not seem unnatural to the audience, who, after all, are accustomed in real life to people whose expression is more or less indistinct? Most people’s perception in these matters is not very sharp. They are not in the habit of observing closely the play of features of their fellow men — either in real life or at the movies. They are..

2019 수능특강 라이트 (개정) 9강 G The Internet allows information to flow more freely than ever before. We can communicate and share ideas in unprecedented ways. These developments are revolutionizing ourself-expression and enhancing our freedom. But there’s a problem. We’re heading toward a world where an extensive trail of information fragments about us will be forever preserved on the Internet, display..

2019 수능특강 라이트 (개정) 7강 G The graph above shows the leading outdoor watersport activities by number of participants in the United Kingdom (UK) from 2014 to 2015. In 2015, the number of participants in outdoor swimming decreased compared to the previous year. In 2015, the most popular outdoor watersport activity was coastal walking. In 2014, the number of participants in any boating activity was mo..

2019 수능특강 라이트 (개정) 6강 G With the general accessibility of photocopiers in student libraries, students tend to copy the relevant material for later use. In such cases the students are not always selective about what they copy. Often useless material is gathered that may seem important at the time but does not seem so in their study room on the night before an exam or essay due date. _____________..