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2411-35Today, the water crisis is political ─ which is to say, not inevitable or beyond our capacity to fix ─ and, therefore, functionally elective. That is one reason it is nevertheless distressing: an abundant resource made scarce through governmental neglect and indifference, bad infrastructure and contamination, and careless urbanization. There is no need for a water crisis, in other words, but we have one anyway, and aren't doing much to address it. Some cities lose more water to leaks than they deliver to homes: even in the United States, leaks and theft account for an estimated loss of 16 percent of freshwater; in Brazil, the estimate is 40 percent. __________ highlights have-and-have-not inequities, leaving 2.1 billion people without safe drinking water and 4.5 billion without proper sanitation worldwide.
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① The lack of proper water management systems
② The shocking disparity in water infrastructure globally
③ This pattern of politically-driven water scarcity clearly
④ The widespread problem of water loss worldwide
⑤ The distribution of limited water resources internationally
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2411-37Conventional medicine has long believed that depression is caused by an imbalance of neurotransmitters in the brain. However, there is a major problem with this explanation. This is because the imbalance of substances in the brain is a consequence of depression, not its cause. In other words, depression causes a decrease in brain substances such as serotonin and noradrenaline, not a decrease in brain substances causes depression. In this revised cause-and-effect, the key is to reframe depression as a problem of consciousness. Our consciousness is a more fundamental entity that goes beyond the functioning of the brain. The brain is no more than an organ of consciousness. If it is not consciousness itself, then __________ is also a distortion of our state of consciousness. Such a disease of consciousness may manifest itself in the form of depression.
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① the underlying cause of depression itself
② the chemical imbalance in our brains
③ the neurological basis of mental illness
④ the way we process negative emotions
⑤ the treatment approach for depression
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2411-38The common accounts of human nature that float around in society are generally a mixture of assumptions, tales and sometimes plain silliness. However, psychology is different. It is the branch of science that is devoted to understanding people: how and why we act as we do; why we see things as we do; and how we interact with one another. The key word here is 'science.' Psychologists don't depend on opinions and hearsay, or the generally accepted views of society at the time, or even the considered opinions of deep thinkers. Instead, they look for evidence, to make sure that psychological ideas are firmly based, and not just derived from generally held beliefs or assumptions. In addition to this evidence-based approach, __________ generate our rich cultural and social diversity, as well as those shared by all human beings. These are what modern psychology is all about.
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① scientists study behavioral patterns and mechanisms which
② modern psychological theories explore concepts which
③ researchers examine cultural and social factors that
④ psychologists analyze complex human interactions that
⑤ psychology deals with fundamental processes and principles that
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2411-39Life is what physicists might call a 'high-dimensional system,' which is their fancy way of saying that there's a lot going on. In just a single cell, the number of possible interactions between different molecules is enormous. Such a system can only hope to be stable if only a smaller number of collective ways of being may emerge. For example, it is only a limited number of tissues and body shapes that may result from the development of a human embryo. In 1942, the biologist Conrad Waddington called this drastic narrowing of outcomes canalization. The organism may switch between a small number of well-defined possible states, but can't exist in random states in between them, rather as a ball in a rough landscape must roll to the bottom of one valley or another. __________ are often strikingly similar.
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① The various causes of illness share common manifestations
② The ways organisms respond to health challenges
③ The symptoms that patients experience in diseases
④ The pathways through which diseases develop
⑤ The biological mechanisms behind different illnesses
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2411-40Punishing a child may not be effective due to what Alvaro Bilbao, a neuropsychologist, calls 'trick-punishments.' A trick-punishment is a scolding, a moment of anger or a punishment in the most classic sense of the word. Instead of discouraging the child from doing something, it encourages them to do it. For example, Hugh learns that when he hits his little brother, his mother scolds him. For a child who feels lonely, being scolded is much better than feeling invisible, so he will continue to hit his brother. In this case, __________ would be better adopting a different strategy. For instance, she could congratulate Hugh when he has not hit his brother for a certain length of time. The mother clearly cannot allow the child to hit his little brother, but instead of constantly pointing out the negatives, she can choose to reward the positives. In this way, any parent can avoid trick-punishments.
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① the punishment-based parenting technique
② his mother's approach of scolding for attention-seeking behavior
③ the negative reinforcement of unwanted actions
④ the reactive response to sibling violence
⑤ the traditional method of disciplining children