精选优质文档-倾情为你奉上题型组合课时练必修2 Unit 2.阅读理解(2017吉林省部分学校高三模拟)Before I studied psychology,I used to think that people would laugh when funny things occurred.While I was right about that,I discovered there are lots of other psychological factors that make people laugh other than the funny part of a joke.When someone laughs at a joke,there will usually be more than one reason that makes him laughand the more reasons there are,the more powerful the joke will be.I was attending a standup com