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  3. The concept of personal choice in relation to health behaviors is an important one. An estimated 90 percent of all illness may b

The concept of personal choice in relation to health behaviors is an important one. An estimated 90 percent of all illness may b

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问题     The concept of personal choice in relation to health behaviors is an important one. An estimated 90 percent of all illness may be(1)______ if individuals would want to make(2)______ personal health choices, which should be based(3)______current medical knowledge. We all enjoy our freedom of choice and do not like to see it restricted when it is within the legal and moral(4)______ of society. The structure of American society allows us to make almost all our own personal decisions that may(5)______ our health. If we so desire, we can smoke, drink(6)______, refuse to wear seat belts, eat whatever food we want, and live a completely sedentary life-style without any exercise. The freedom of making such personal decisions is a fundamental aspect of our society,(7)______ the wisdom of these personal decisions can be(8)______. Personal choices relative to health often cause a difficulty.(9)______ one example, a teenager may know the facts relative to smoking cigarettes and health but may be(10)______ by friends into believing it is the socially accepted thing to do.
    A(11)______of factors, both inherited and environmental, influence the development of health-related behaviors, and it is(12)______ the scope of this text to discuss all these factors as they may affect any(13)______individual. However, the decision to(14)______ a particular health-related behavior is usually one of personal choice. There are healthy choices and there are unhealthy choices. In discussing the(15)______ of personal choice, Fries and Crapo drew a comparison. They suggest that to give oneself(16)______to a behavior with a statistical probability of shortening life(17)______ is similar to attempting suicide.(18)______, for those individuals who are interested in preserving both the quality and quantity of life, personal health choices should reflect those behaviors that are associated(19)______ a statistical probability of increased vitality and(20)______.
(17)
选项 A、meaningfully
B、knowledgeably
C、knowingly
D、shrewdly
答案C
解析 副词辨析题。[C]knowingly意为“故意地”，符合句意，为正确答案。[A]meaningfully意为“有意图地”，有目的地”；[B]knowledgeably意为“聪明地，有知识地”，[D]shrewdly意为“精明地，狡猾地”，均可以排除。
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