[填空题]Choose wisely when considering a partner, whether to attend church and how you look after your body. These decisions could have a (47) effect on your overall life satisfaction. That’s according to a study that (48) the theory that life happiness is largely predetermined by your genes. The widely accepted "set-point" theory of happiness says that an individual’s long-term happiness tends to be stable because it depends (49) on genetic factors. The idea is based in (50) on studies that show identical twins to have more similar levels of life satisfaction than non-identical twins, and suggests that although your level of happiness may (51) be thrown off by major life events, it will always (52) to a set level within two years.
Bruce Headey at the University of Melbourne in Australia and his team found that certain changes in lifestyle led to significant long-term changes in reported life satisfaction, rather than cau