填空题

The concept of personal choice in relation to health behaviors is an important one. An (S1)_________ 90 percent of all illnesses may be (S2)_________if individuals would make sound personal health choices based upon current (S3)_________knowledge. We all enjoy our (S4)_________ of choice and do not like to see it restricted when it is within the legal and moral (S5)_________ of society. The structure of American society allows us to make almost all our own personal decisions that may (S6)_________our health. If we so desire, we can smoke, drink (S7)_________, refuse to wear seat belts, eat whatever foods we want. (S8) ___________________________Personal choices relative to health often cause a difficul ty. As one example, (S9)___________________________. 　　A multitude of factors, both inherited and environmental, influence the development of health-related behaviors. However, (S10)___________________________. S6