Listen to a talk about why people are often irrational.Based on what you hear,match the questions with the answers by placing a letter next to the number. 1 ( ) According to the spearker,how can people behave in a rational way? 2 ( ) What are the consequences of people's irrational behavior? 3 ( ) What has MIT Professor Ariely discovered? 4 ( ) What is the example in the talk regarding irrational behavior? 5 ( ) What does the spearker say about this irrational behavior? A People tend to behave irrationally in a predicatable fashion. B People should act according to logic and reason required in a situation. C It causes problems to themselves as well as to others. D If a person knows someone suffers from a disease ,he will feel he fuffers from the same disease. E If a person knows someone suffers from a disease,he will feel he suffers from the same disease.