大学英语专业四级考试听力真题2016

They measured each roommates' tendency towards negative-thinking roommate became more depressed themselves. And students with more positive-thinking roommates were.more likely to become more positive as well.

Are you confident or insecure in a different situation? Do you react positively or negatively?The answer may depend in part on whom you are around. A study found that negative thinking can be contagious in some cases. For example, the researches studied 103 college roommates.

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