[填空题]While it seems pretty obvious that gratitude is a positive emotion, psychologists for decades rarely delved (探究) into the science of giving thanks. But in the last several years many (36) have shown that it is one of humanity’s most (37) emotions. It makes you happier and can change your attitude about life, like an emotional reset button.
Beyond (38) that being grateful helps you, psychologists also are trying to (39) out the brain chemistry behind gratitude and the best ways of showing it. University of Miami psychology professor Michael McCullough, who has studied people who are asked to be regularly thankful, points out that giving thanks is a potent (强有力的) emotion that feeds on itself, almost the (40) of being victorious: He said psychologists used to underestimate the (41) of simple gratitude: "It does make people happier... It’s that incredible feeling."
One of the reasons why gratitude works so well

[填空题]While it seems pretty obvious that gratitude is a positive emotion, psychologists for decades rarely delved (探究) into the science of giving thanks. But in the last several years many (36) have shown that it is one of humanity’s most (37) emotions. It makes you happier and can change your attitude about life, like an emotional reset button.
Beyond (38) that being grateful helps you, psychologists also are trying to (39) out the brain chemistry behind gratitude and the best ways of showing it. University of Miami psychology professor Michael McCullough, who has studied people who are asked to be regularly thankful, points out that giving thanks is a potent (强有力的) emotion that feeds on itself, almost the (40) of being victorious: He said psychologists used to underestimate the (41) of simple gratitude: "It does make people happier... It’s that incredible feeling."
One of the reasons why gratitude works so well

[单项选择]

Conventional wisdom about conflict seems pretty much cut and dried. Too little conflict breeds apathy (冷漠) and stagnation (呆滞). Too much conflict leads to divisiveness (分裂) and hostility. Moderate levels of conflict, however, can spark creativity and motivate people in a healthy and competitive way.
Recent research by Professor Charles R. Schwenk, however, suggests that the optimal level of conflict may be more complex to determine than these simple generalizations. He studied perceptions of conflict among a sample of executives. Some of the executives worked for profit seeking organizations and others for not-for-profit organizations.
Somewhat surprisingly, Schwenk found that opinions about conflict varied systematically as a function of the type of organization. Specially, managers in not-for-profit organizations strongly believed that conflict was beneficial to their organizations and that it promoted higher quality decision-making than might be achieved in the
A. wrong
B. oversimplified
C. misleading
D. unclear