2018考研英语完形填空真题文章节选自Scientific American，原文标题Curiosity Is Not Intrinsically Good(好奇心太强从本质上来说并不是件好事)。这篇文章主要讲述了人类解决未知问题的强烈渴望使其执意寻求问题的答案，即使显而易见答案会给人带来痛苦。

　　【原文】

　　Why do people read negative Internet comments and do other things that will obviously be painful? Because humans have an inherent need to ___1___ uncertainty, according to a recent study in Psychological Science. The new research reveals that the need to know is so strong that people will ___2___ to satisfy their curiosity even when it is clear the answer will___3___. In a series of four experiments, behavioral scientists at the University of Chicago Booth School of Business and the Wisconsin School of Business tested students' willingness to ___4___ themselves to unpleasant stimuli in an effort to satisfy curiosity. For one ___5___, each participant was shown a pile of pens that the researcher claimed were from a previous experiment. The twist? Half of the pens would ___6___ an electric shock when clicked. Twenty-seven students were told which pens were rigged; another twenty-seven were told only that some were electrified. ___7___ left alone in the room, the students who did not know which ones would shock them clicked more pens and incurred more jolts than the students who knew what would ___8___. Subsequent experiments replicated this effect with other stimuli, ___9___ the sound of fingernails on a chalkboard and photographs of disgusting insects. The drive to ___10___ is deeply ingrained in humans, much the same as the basic drives for ___11___ or shelter, says Christopher Hsee of the University of Chicago, a co-author of the paper. Curiosity is often considered a good instinct—it can ___12___ new scientific advances, for instance—but sometimes such ___13___ can backfire. The insight that curiosity can drive you to do ___14___ things is a profound one. Unhealthy curiosity is possible to ___15___, however. In a final experiment, participants who were encouraged to ___16___ how they would feel after viewing an unpleasant picture were less likely to ___17___ to see such an image. These results suggest that imagining the ___18___ of following through on one's curiosity ahead of time can help determine ___19___ it is worth the endeavor.“Thinking about long-term ___20___ is key to mitigating the possible negative effects of curiosity,” Hsee says. In other words, don't read online comments.

　　【答案】

　　1. D resolve

　　2. B seek

　　3. C hurt

　　4. B expose

　　5. A trial

　　6. B deliver

　　7. C when

　　8. D happen

　　9. A such as

　　10. C discover

　　11. B food

　　12. C lead to

　　13. A inquiry

　　14. D self-destructive

　　15. D resist

　　16. D predict

　　17.A choose

　　18. B outcome

　　19. D whether

　　20. C consequences