专题2.3 Computers【测试与练习】第一部分 阅读理解（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。ADecisionmaking under StressA new review based on a research shows that acute stress affects the way the brain considers the advantages and disadvantages, causing it to focus on pleasure and ignore the possible negative(负面的) consequences of a decision.The research suggests that stress may change the way people make choices in predictable ways.“Stress affects how people learn，” says Professor Mara Mather.“People learn better about positive than negative outcomes under stress.”For example, two recent studies looked at how people learned to connect images(影像)with either rewards or punishments. In one experiment, some of the participants were first stressed by having to give a speech and do difficult math problems in front of an audience; in the other, some were stressed by having to keep their hands in ice water. In both cases, the stressed participants remembered the rewarded material more accurately and the punished material less accurately than those who hadnt gone through the stress.This phenomenon is likely not surprising to anyone who has tried to resist eating cookies or smoking a cigarette while under stressat those moments, only the pleasure associated with such activities comes to mind. But the findings further suggest that stress may bring about a double effect. Not only are rewarding experiences remembered better, but negative consequences are also easily recalled.The research also found that stress appears to affect decisionmaking differently in men and women. While both men and women tend to focus on rewards and less on consequences under stress, their responses to risk turn out to be different.Men who had been stressed by the coldwater task tended to take more risks in the experiment while women responded in the opposite way. In stressful situations in which risktaking can pay off big, men may tend to do better; when caution weighs more, however, women will win.This tendency to slow down and become more cautious when decisions are risky might also help explain why women are less likely to become addicted than men: they may more often avoid making the risky choices that eventually harden into addiction.1We can learn from the passage that people under pressure tend to _.Akeep rewards better in their memoryBrecall consequences more effortlesslyCmake risky decisions more frequentlyDlearn a subject more effectively2According to the research, stress affects people most probably in their _.Aways of making choicesBpreference for pleasureCtolerance of punishmentsDresponses to suggestions3The research has proved that in a stressful situation, _.Awomen find it easier to fall into certain habitsBmen have a greater tendency to slow downCwomen focus more on outcomesDmen are more likely to take risks3. D细节理解题。根据文章第七段“Men who had been stressed by the coldwater task tended to take more risks in the experiment while women responded in the opposite way.”可知D为正确选项。学%BRae and Bruce Hostetler not only work very hard，they also relax just as well.Numerous vacations help the couple to maintain their health and emotional wellbeingand its no surprise to health care professionals.“Rest，relaxation，and stress reduction are very important for peoples wellbeing and health.This can be accomplished through daily activities，such as exercise and meditation，but vacation is an important part of this as well，” said primary care physician Natasha Withers from One Medical Group in New York.Withers lists a decreased risk of heart disease and improved reaction time as some of the benefits from taking some time off.“We also know that the mind is very powerful and can help with healing，so a rested，relaxed mind is able to help the body heal better，” said Withers.Psychologists confirm the value of vacations for the mind.“The impact that taking a vacation has on ones mental health is great，” said Francine Lederer，a clinical psychologist in Los Angeles who specializes in stress and relationship management.“Most people have better life perspective and are more motivated to achieve their goals after a vacation，even if it is a 24hour timeout.” The trips could be good for their health，good for their family and good for their businesses.The online travel agency Expedia conducted a survey about vacation time in 2010，and according to their data the average American earned 18 vacation daysbut only used 14 of them.France topped the list，with the average worker earning 37 vacation days and using all but two of them.Americans responses may not be surprising in a culture where long hours on the job often are valued，but thats not always good for the individual，the family or the employer.Psychologists have also found that people who dont take enough time to relax may find it harder to relax in the future.“Without time and op