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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 make sound personal health choices (2)_____ upon current medical knowledge. We all enjoy our freedom of choice and do nor like to see it (3)_____ when it is within the legal and moral boundaries of society. The structure of American society allows us to make almost all our personal decisions that may (4)_____ our health. If we (5)_____ desire, we can smoke, drink excessively, refuse to wear seat belts, eat (6)_____ foods we want, and lives (7)_____ sedentary life-style without any exercise. The freedom to make such personal decisions is the fundamental (8)_____ of our society, (9)_____ the wisdom of these decisions can be questioned. Personal choices relative to (10)_____ often cause a difficulty. As one example, a teenager may know the facts relative to smoking cigarettes and health but may be (11)_____ by friends into believing it is a socially (12)_____ thing to do. A (13)_____ of actors, both inherited and environmental, influence the development of health-related behaviors, and it is (14)_____ the scope of this text to discuss all these factors as they may affect any (15)_____ individual. However, the decision to adopt a particular health-related behavior is (16)_____ one of personal choices. There are healthy choices and there are unhealthy choices. Experts suggest that to knowingly give (17)_____ over to a behavior that has a statistical probability of (18)_____ life is similar to attempting suicide. (19)_____, personal health choices should (20)_____ those behaviors that are associated with a statistical probability of increased vitality and longevity.
选项 A、constructed
B、based
C、found
D、depending
答案B
解析 该空白处的动词与choices属于被动关系，而且必须与on搭配，因此constructed(建造)，其结构是to be constructed from，不符合要求 found(建立)与depending (依靠)都不含被动意义，因此排除。因此只能选择based，符合语义和语法的要求。
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考研英语一

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