英语四级阅读参考答案：

　　36. 答案D。见原文前两句，“The concept of personal choice in relation to health　behavior is an important one.An estimated 90 percent of all illnesses may be preventable if...”正确选择健康行为的观念非常重要。据估计，90%的疾病是可以避免的， 假如……。因此 D)为正确选项。

　　37. 答案A。见原文第一段“ ...and live a completely sede ntary life-style without　any exercise.”采取一种整天坐着而无运动的生活方式。A)to live an inactive life.符合该意，为正确答案。

　　38. 答案B。见原文第二段开头，“ A multitude of factors

　　influence the development of health-related behavior, and it is beyond the scope of this text to discuss...”该句说明影响人们选择健康行为方式的因素诸多。因此B为正确选项。

　　39. 答案C。见原文第二段“ ...knowingly give oneself over to a behavior that has a statistical probability of shortening life is similar to attempting suicide.” 明知某一行为有统计的缩短寿命的可能而这么做无异于自杀。 C)项deliberately ending one's life即为自杀，为正确选项。

　　40. 答案C。见原文最后一句“...personal health choices should reflect those behaviors that are associated with statistical probability of increased vitality and longevity.”人们应选择那些根据统计可增强活力增加寿命的行为方式。因此C)statistical evidence统计数据为正确答案。