[简答题] Studies have found that no single factor causes violence. Researchers have (47)______ many determinants, including both individual (48)______ and attributes of campus and community environments. These factors can be organized according to a "social ecological framework," a commonly used public health model. This model recognizes that health-and safety-related behaviors are shaped through (49)______ levels of influence — individual, group, institutional, and community as well as public policy and societal factors. The nature and strength of these factors will vary across settings and by type of violence. In a campus community, the following are examples of possible influences at each level: Individual factors, such as student, faculty, and staff attitudes and beliefs about violence; skills for (50)______ conflict. Interpersonal or group processes, such as group norms regarding appropriate behavior; responses of bystanders to violence. Institutional factors, such

[简答题] Studies have found that no single factor causes violence. Researchers have (47)______ many determinants, including both individual (48)______ and attributes of campus and community environments. These factors can be organized according to a "social ecological framework," a commonly used public health model. This model recognizes that health-and safety-related behaviors are shaped through (49)______ levels of influence — individual, group, institutional, and community as well as public policy and societal factors. The nature and strength of these factors will vary across settings and by type of violence. In a campus community, the following are examples of possible influences at each level: Individual factors, such as student, faculty, and staff attitudes and beliefs about violence; skills for (50)______ conflict. Interpersonal or group processes, such as group norms regarding appropriate behavior; responses of bystanders to violence. Institutional factors, such

[填空题]Which single factor is tended to have been considered by the author as the most important in the development of man

[单项选择]Dave: What causes people to have stress Tim: As I said, all humans have stress. The problem is too much stress for a long period of time. When this happens, a person is in trouble. Various situations give rise to stress, such as losing your job, experiencing a divorce or death of a family member, a serious illness, or getting hurt in a bad accident and so on. Dave: ______ Tim: First, make sure your diet is healthy by eating lots of fruit and vegetables. Next, exercise regularly. You should also talk to a good friend or relative--someone you trust and who will listen to you. Sometimes just talking about problems helps.
A. Tell us what we can do in our spare time.
B. Is it true that men generally have more stress than women
C. Tell us what we can do when we have too much stress.
D. Do you think today’s world is more stressful than the world of 50 years ago

[单项选择]

Diseases have diverse causes, which can be classified into two broad groups: infectious and noninfectious. Infectious diseases can spread from one person to another and are caused by microscopic (极小的) organisms that invade the body. Noninfectious diseases are not communicated from person to person and do not have, or are not known to involve, infectious agents. Some diseases, such as the common cold, are acute, coming on suddenly and lasting for no more than a few weeks. Other diseases, such as arthritis (关节炎), are chronic (长期的), persisting for months or years, or recurring (复发) frequently.
Every disease has certain characteristic effects on the body. Some of these effects, called symptoms and signs, include fever, inflammation, pain, fatigue, dizziness, nausea, and rashes, and are readily apparent to the patient. These symptoms offer important clues that help physicians and other health care professionals make a diagnosis. Many times, however, the symptoms point to sever
A. are long
B. last long
C. are stable
D. are terrible