나무 숲

21강 1 As pretty as the orchids they pollinate, orchid bees come in a brightly colored array of brilliant and metallic blues, greens, and purples. These bees are not social like honeybees—they are typically solitary in nesting, with no division of labor and little communal activity. The males leave the nest shortly after birth and never return, spending their lives collecting flower fragrances th..

20강 1 There are some renewable energy technologies that are only controversially considered alternative, and they include nuclear power and hydropower. Both nuclear power and hydropower are emission-free, and so alleviate the most common negative consequence of fossil-fuel-based energy production, air pollution. However, they suffer from other environmental problems that make them unattractive t..

19강 1 Nothing addresses our need to fit in with others as profoundly as traditions. Traditions satisfy our deep emotional needs for belonging and create bonds not easily swayed. Developed over time in a country, community, or family, traditions are the foundation of a culture. While a ritual is time alone with the soul, traditions are the bonding glue of a group. When we participate in a traditi..

Day 19 기출 예제 Although the property of brain plasticity is most obvious during development, the brain remains changeable throughout the life span. It is evident that we can learn and remember information long after maturation. Furthermore, although it is not as obvious, the adult brain retains its capacity to be influenced by "general" experience. __________________, being exposed to fine wine or..

2019 수능완성 8강 Let’s Check It Out In 1976, the British evolutionary biologist Richard Dawkins, in his classic The Selfish Gene, proposed the notion of memes. A meme is any bit of information that can spread from one human mind to another. Memes, Dawkins pointed out, share many of the traits of genes. They can reproduce by copying themselves from one mind to another. As you read this writing, memes..

2019 수능완성 6강 Let’s Check It Out Mikhail Kalatozov was born in Tiflis (now Tbilisi), Georgia. After studying economics, Kalatozov started out in films as an actor. However, he soon became a skilled cameraman in the tradition of the pioneers of Soviet cinema. After a series of documentary films, including the remarkable Salt for Svanetia, he tangled with Stalinist censorship: in 1932, his film Nai..

2019 수능완성 4강 Let’s Check It Out If one wishes to be admitted to the presence of a work of art, one must, first of all, face it as a whole. What is it that comes across? What is the mood of the colors, the dynamics of the shapes? Before we identify any one element, the total composition makes a statement that we must not lose. We look for a theme, a key to which everything relates. If there is a ..

2019 수능완성 3강 Let’s Check It Out The realization of education for sustainable development requires the positive engagement of young people with cultural diversity and complexity of social values and ways of life. A goal is to harness young people’s creative capacities for innovative problem solving and actions that will help resolve the social and cultural challenges facing today’s world. Arts ed..

2019 수능완성 2강 Let's check it out Sometimes we meet simply because we’re in the habit of meeting or because we think that we should meet. Having a meeting, after all, implies progress; at least we’d like to think this is the case. That belief is naive at best. Unless there is a genuine need to meet, meetings should not be held. Unnecessary meetings take a toll on individuals and the organization. ..

Day 18 1 Control breeds its own necessity. So, when we treat land with heavy pesticides, the superweeds and superbugs that emerge require new and even stronger doses of pesticides. When someone goes on a diet and attempts to control her urge to eat, at some point the suppressed desire explodes outward as a binge, prompting further attempts to control herself. And when human beings are boxed in, ..

Day 17 1 There are instances of nonhuman primate deception that occur to simply avoid punishment. In one instance, researchers observed a young baboon, in an attempt to prevent a physical punishment from his mother, looking intently to the horizon as if an enemy or predator was on its way -fooling his entire troop, including his mother, into frenzy and successfully escaping his punishment. Savan..

Day 16 1 The Greek city-state had an interesting way of calling citizens together when a vote for some type of action was needed. If, for example, one city-state was marching against another to do battle, a person would walk the streets blowing a horn, announcing that all should gather in the amphitheater just outside of town. When the citizens of the city heard this, they would close up their s..

Day 15 기출 One outcome of motivation is behavior that takes considerable effort. For example, if you are motivated to buy a good car, you will research vehicles online, look at ads, visit dealerships, and so on. Likewise, if you are motivated to lose weight, you will buy low-fat foods, eat smaller portions, and exercise. Motivation not only drives the final behaviors that bring a goal closer but ..

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..