丙型肝炎传播途径与上述哪项有关（） A．空气传播 B．水和食物源传播 C．虫媒传播

阅读理解。

     As we have seen, the focus of medical care in our society has been shifting from curing

disease to preventing disease－especially in changing our many unhealthy behaviors, such

as poor eating habits, smoking, and failure to exercise. The line of thought about this shift

can be pursued further. Imagine a person who is about the right weight, but does not eat

very nutritious foods, who feels OK but exercises only occasionally, who goes to work

every day, but is not an outstanding worker, who drinks a few beers at home most nights

but does not drive while drunk, and who has no chest pains or abnormal blood counts,

but sleeps a lot and often feels tired. This person is not ill. He may not even be at risk for

any particular disease. But we can imagine that this person could be a lot healthier.

     The field of medicine has not traditionally distinguished between someone who is just

"not ill" and someone who is in excellent health and pays attention to the body's special

needs. Both types have simply been called "well". In recent years, however, some health

specialists have begun to apply the terms "well" and "wellness" only to those who are

actively attempting to maintain and improve their health. People who are well are

concerned with nutrition and exercise, and they make a point of monitoring their body's

condition. Most important, perhaps, people who are well take active responsibility for

all matters related to their health. Even people who have a physical disease or handicap

(缺陷) may be "well", in this new sense, if they make an effort to maintain the best

possible health they can in the face of their physical limitations. "Wellness" may perhaps

best be viewed not as a state that people can achieve, but as an ideal that people can

struggle for. People who are well are likely to be better able to resist disease and to fight

disease when it strikes. And by focusing attention on healthy ways of living, the concept

of wellness can have a beneficial influence on the ways in which people face the challenges

of daily life.

1. Today's medical care is placing more stress on .

A. monitoring patients' body functions

B. removing people's bad living habits

C. ensuring people's psychological well-being

D. keeping people in a healthy physical condition

2. Traditionally, a person is considered "well" if he or she .

A. is free from any kind of disease

B. does not have any physical handicaps

C. attempts to maintain the best possible health

D. keeps a proper balance between work and leisure

3. According to the passage, which of the following is WRONG?

A. Wellness is now just an ideal in many people's mind.

B. Someone who drinks a few beers at home most nights is not healthy.

C. The concept of wellness can help people face the challenges of daily life.

D. A man without any physical or mental problem may not be really healthy.

4. According to the author, healthy people are those who .

A. do not have any symptoms of disease

B. have strong muscles as well as slim figures

C. try to keep healthy as possible, regardless of their limitations

D. can recover from illness even without seeking medical care

以社区为基础的病例对照研究的缺点是（）

A.选择偏倚较大

B.研究对象的可比性差

C.研究对象代表性差

D.研究实施困难

E.研究结果不能外推

30岁男患，因手部割伤后无痛觉来诊，查体发现双上肢、胸背部痛温觉减退，深感觉保留，进一步检查首选：（）

A.脊髓X线片

B.脊髓CT

C.脊髓MRI

D.肌电图

E.脊髓造影

慢性再生障碍性贫血患者出现酱油色尿，下列哪项检查最具有诊断意义（）

A.热溶血试验

B.蔗糖溶血试验

C.酸溶血试验

D.荧光斑点试验

E.抗人球蛋白试验

D916-6柴油机为直列（）缸柴油机。

A.4

B.6

C.8