[阅读理解]

【题干】【阅读理解题】Passage 1
uestions 1 to 5 are based on the following passage.
Are the endless decisions of modern life leading to decision fatigue, depleting(耗尽) ourwillpower(意志力) to the point that we end up making increasingly poor，evenself-destructive choices?
In an excerpt adapted from his book,John Tierney makes the case that they do. Thepiece opens with a description of research on parole (假释) decisions made by Israeli judges,which found that the judges were dramatically more likely to free prisoners earlier in the dayor right after lunch, compared with other times.
But Stanford psychology professor Carol Dweck has found an interesting perspective.Her research shows that while decision fatigue does occur,it primarily affects those whobelieve that willpower runs out quickly.
We find that people get fatigued or depleted after a difficult task only when they believethat willpower is a limited resource,but not when they believe it's not so limited,"saysDweck. Because the majority of people tend to view their stores of willpower as being limited,the effect appears universal in studies that don't distinguish between people holding variousbeliefs.
"“If you look over our studies,we get effects that look like overall fatigue.But when youbreak it down into the people who believe willpower is limited and those who don't, you havetwo separate groups,”says Dweck. “In fact,in some cases,the people who believe thatwillpower is not so limited actually perform better after a difficult task."
In the excerpt，Tierney cites research showing that consumption of sugar restoresdepleted willpower.One study involved giving people either thick，tasty milkshakes orflavorless, low-fat drinks after a series of decision-based tasks had reduced their performance.As long as the food contained sugar, it didn't matter whether the stuff was rewardingly tasty.Although the researchers initially thought that indulging in something pleasurable wouldreduce participants'decision fatigue, it turned out that it was the sugar, not the pleasure, thatactually boosted brain performance.
Other studies have shown that,similarly，sugar consumption reduces people'sexpressions of prejudice, presumably by helping them maintain self-restraint.
Dweck has tested how this idea fits with her theory on willpower: "We find that sugarimproves self-control only for the people who believe in limited willpower,"she says. "Wethink that people who believe in limited willpower are always checking to see how fatiguedthey are. If they feel fatigued, they show a deficit. If you give them sugar and they get a surgeof energy, they don't show a deficit.”

【题目】What do Tierney and Dweck agree on?
A. Choice making takes time.
B.Decision fatigue happens.
C. Beliefs affect behavior.
D. Willpower is infinite.

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