考研英语二真题答案解析定稿版审批稿.docx

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考研英语二真题答案解析
2018年研究生入学统一考试英语二真题及解析
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 wiill 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 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 electrified;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 shocks than the students who knew what would 8 .Subsequent experiments reproduced this effect with other stimuli, 9 the sound of fingernails on a chalkboard and photographs of disgusting insects.
The drive to 10 is deeply rooted in humans,much the same as the basic drives for 11 or shelter,says Christopher Hsee of the University of Chicago. Curiosity is often considered a good instinct-it can 12 new scientific advances, for instance-but sometimes such 13 can insight that curiosity can drive you to do 14 things is a profound 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