24. The word hassles in the passage probably means _____.
quarrels
worries
disadvantages
agreements
注:不平衡的行为
[003]
To determine the consequences of sleep deficit, researchers have put subjects through a set of psychological and performance tests requiring them, for instance, to add columns of numbers or recall a passage read to them only minutes earlier. Weve found that if youre in sleep deficit, performance suffers, says Dr. David. Short-term memory is weakened, as are abilities to make decisions and to concentrate.
34. The word subjects refers to _____.
the performance tests used in the study of sleep deficit
special branches of knowledge that are being studied
people whose behavior or reactions are being studied
the psychological consequences of sleep deficit
注:做算术题和背文章指人
[004]
The concept of personal choice in relation to health behaviors is an important one. An estimated 90 percent of all illness may be preventable if individuals would make sound personal health choices based upon 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 boundaries of society. The structure of American society allows us to make almost all our own personal decisions that may concern our health. If we so desire, we can smoke, drink excessively, refuse to wear seat belts, eat whatever food we want, and live a completely sedentary life-style without any exercise. The freedom(这是对上面小并列的一个总括,不能只说其中之一就是他。如张、王、李、赵四个人的共同特征) to make such personal decisions is a fundamental aspect of our society, although the wisdom of these decisions can be questioned. Personal choices relative to health often cause a difficulty. As one example, a teenager may know the facts relative to smoking cigarettes and health but may be pressured by friends into believing it is the socially accepted thing to do.
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