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1、21世纪英语报纸初二747期答案
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9．People with an impulsive personality refer to those who tend to do things without considering the possible dangers or problems first．According to a new study by researchers at the University of Georgia，such people may be more likely to have food addiction．The study found that people exhibiting impulsive behavior weren't necessarily overweight，but impulsiveness was related to a direct relationship with food，and therefore，less healthy weight．
Food addiction has been compared to addictive drug use．Studies have linked the dopamine （多巴胺） release that occurs after tasting delicious food to the dopamine release that happens when people consume other addictive substances．
Impulsive behavior involves several personality traits （特点）．Two of these traits，known as negative urgency and lack of perseverance，were particularly associated with food addiction and high BMI （身体质量指数） during the study．
Negative urgency is characterized by the tendency to behave impulsively when experiencing negative emotions．Some people might drink alcohol or take drugs．For others，it could mean eating to feel better．Lack of perseverance is when a person has a hard time finishing hard or boring tasks．People with a lack of perseverance might have difficulty attempting to change addictive eating behavior，which could also cause obesity．
"Impulsiveness might be one reason why some people eat in an addictive way despite motivation to lose weight，"said Dr．Ashley Gearhardt，a clinical psychologist．He was involved in developing the Yale Food Addiction Scale in aid of those people．"We are theorizing that if food addiction is really a thing，then our measure，the Yale Food Addiction Scale，should be related to helping control impulsive action，"said Gearhardt．
Clinical psychologist Dr．James MacKillop，whose lab was conducting the study，believes that therapies used to treat addictive drug behavior could help people who suffer from addictive eating habits．
"Most of the programs for weight loss at this point focus on the most obvious things，which are clearly diet and exercise，"MacKillop said．"It seems that managing strong desires to eat would naturally fit in with the skills a person would need to eat healthily．"
12．According to Paragraph 1，the result of food addiction isA．
A．less healthy weight B．motivation to lose weight
C．negative emotions D．taking alcohol or drugs
13．How does the author introduce the two personality traits in Paragraph 4？D
A．By making comparisons and conclusions． B．By explaining causes and effects．
C．By presenting questions and answers． D．By giving definitions and examples．
14．What can be inferred about the Yale Food Addiction Scale from the text？B
A．It has been successfully carried out among overweight people．
B．It might help some impulsive people with food addiction to lose weight．
C．It will prove whether food addiction is a problem to impulsive people．
D．It is theoretically a proper treatment for addictive food and drug behavior．
15．Which of the following can be the best title for the text？C
A．Dopamine release caused by food addiction
B．Food addiction compared to drug use
C．Impulsive personality linked to food addition
D．Food addiction contributing to obesity． 试题答案
分析 本文是一篇科教类阅读，主要讲的是饮食上瘾与冲动个性之间之间的关联．
解答 12-15ADBC
12题答案：A考查细节推理，根据第一段的but impulsiveness was related to a direct relationship with food，and therefore，less healthy weight．"…但是冲动与食物是直接相关的，因此健康的体重会减少"．可知本题答案为A选项．
13题答案：D考查细节推理，第四段介绍两种个性特点时都是先解释它们的定义然后再给出例子加以补充；故本题答案为D选项．
14题答案：B考查细节推理，根据文章倒数第三段的Impulsiveness might be one reason why some people eat in an addictive way despite motivation to lose weight（冲动有可能是尽管想减肥但是还是以上瘾的方式饮食的原因之一）及…the Yale Food Addiction Scale，should be related to helping control impulsive action．（Yale Food Addiction Scale应该有助于控制冲动行为）．可知本题答案为B选项．
15题答案：C考查细节推理，文章主要讲的是饮食上瘾与冲动个性之间之间的关联，故本题答案为C选项．
点评 本文是一篇科教类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对 性找出相关语句进行仔细分析，结合选项选出正确答案．推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案．
If something such as a product, an activity, or someone’s career______, it suddenly becomes very successful.
A. takes up B. takes in C. takes off D. takes away
