On top of-|||-hat,environmental factors can bring down mood and dry up our thirst for living. 37 .Many studies-|||-have found a connection between psycho and physical well being.根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。-|||-We all want to know what happiness means and try to find ways to help make our life better.-|||-Happiness-you know it when you see it,but it's hard to define.You might call it sense of weII-being ,-|||-optimism or meaningfulnes in life,although those could also be treated separately.36 KnOW that-|||- Want i t,and that is just somehow good.-|||-We also know that we don't always have control over our happiness.Research suggests that genetics-|||-may play a big role in our level of happiness,so some of us may start out at a disadvantage. On top of-|||-hat,environmental factors can bring down mood and dry up our thirst for living. 37 .Many studies-|||-have found a connection between psycho and physical well being.