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2025-01-10 05:00 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 hat has confused parents for decades: why do children refuse to eat greens? Now, two American experts believe they have the answer. After studying dozens of babies as they played with various objects, the researchers noted that they were far more unwilling to grasp plants than other things. They believe this is because evolution (生 物 進(jìn) 化 ) has biologically made children be wary of plants. Due to susceptibility (敏 感性 ) to illness or injury in the early years of life, the body has designed an inner defence mechanism (內(nèi) 部 保 護(hù) 機(jī) 制 ) that limits a child“ s contact with plants, they think. The researchers believe this is why babies in the study were afraid of grabbing plants － and why children turn their noses up when faced with a plate of broad beans. The findings are published in a paper by Dr Annie E Wertz and Dr Karen Wynn, both psychologists at Yale University. They wrote，“ Throughout human evolution ...plants have been essential to human existence. Yet, for all of these benefits, plants have always caused very real dangers.” “ Plants produce toxins (毒 素 ) as defences that can be harmful, or even deadly. Some plants also employ physical defences, such as thorns and poisonous oils that can damage tissues (組 織 ) and cause effects over the whole body.” They added，“ We predicted that babies may have behavioural strategies that reduce their exposure to dangers posed by plants by minimising their physical contact with plants.” To test their theory, the researchers studied how children aged eight to 18 months old reacted when presented with a variety of objects. It took much longer for children to grab plants。 objects that were faked to look like plants also caused a slow response time. For parents attempting to spoon some peas into the mouth of their child, this finding should e as wele relief. 51． What does the underlined word “ wary” in the third paragraph mean? A. Curious B. Afraid C. Tired D. Certain 52. What was plants? role in early human existence? A. They were important, despite dangers. B. They reacted badly to human evolution. C. They contributed to the most deaths and illnesses. D. They developed human physical defenses against dangers. 53． What is the best title for the text? A． Give Children More Fun Things to Do B． The Survival Instinct (本 能 ) is to Blame C． What Kind of Things are Healthy D． Infants of Eight to Eighteen Months Old B People who obsessively take pictures of what they are eating or cooking and post them online may be ill, according to a leading expert. Foodstagramming is a trend which involves taking pictures of your food and posting it on Instagram and Twitter. The craze has bee so popular that some restaurants have stopped customers from taking photos of their meals because the flashes and moving of food disrupts other diners. Dr Valerie Taylor, chief of psychiatry at Women39。s College Hospital at the University of Toronto, argues that religiously documenting each meal might not only be annoying but the sign of a more sinister problem too. 39。I see clients for whom food has bee problematic, and they struggle to go out and not have food be the key element of all social interaction: what they eat, when they ate, when they are going to eat again,39。 Dr Taylor told The Huffington Post. Dr Taylor gave a talk at the Canadian Obesity Summit in Vancouver last week about eating disorders and the role that food plays in modern society and culture last we
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