2018 年全国硕士研究生入学统一考试英语（二） 及答案 Section I Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points) 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 ___11___ or shelter, says Christopher Hsee of the University of Chicago, a co-author of the paper. Curiosity is often considered a good instinct—i...
