题目内容：

Laugh and the world laughs with you. Even better, you might live longer, an American researcher reports.

“Adults who have ___1.___ sense of humor live longer than those who don’t find life funny, and the survival edge is ___2.__ (particular) large for people ___3.___ cancer,” says Richard Smith of the Columbia University of Science and Technology.

He ___4.___ (present) his study of about 54,000 Americans, ___5.___ he had followed for seven years, at the American Psychosomatic Society meeting last Monday.

At the start, patients filled out questionnaires on how easily they found humor in real-life situations __6.___ how important a ___7.___ (humor) idea was.

The study showed next the greater role humor played in their lives, the greater their chances were in ___8.___（survive）the seven years. Adults scoring in the top one-quarter for humor appreciation were 35% more likely to be alive ___9.__ those in the bottom quarter. In a smaller group of 2,015 people who had a cancer diagnosis(诊断) at the start, the study found ___10.__ important that a great sense of humor cut the chances of dying by about 70%.