9 月英语四级听力篇章 3 原文Section CPassage 3In a recent study carried out by psychologists on the disruptive effects of smart phones, two groups of college students were given word-search puzzles
The first group was told to complete the puzzles with its participants' smart phones in their line of sight
The second group, however, was told that the phones would interfere with the equipment in the experiment and would need be moved away from the testing area
Midway through the second group's solving of the puzzles, the experiment called one of the phones and let it ring for a while before hanging up
Many of the students in that group were unable to focus from then on, becoming anxious and performing more poorly than the first group
Use of electronics has also been known to lead to a decline in huma