桩核唇侧应为金瓷冠留出的:小间隙为() A.0.5mm B.1.0mm C.1.5m

题型:单项选择题

问题:

桩核唇侧应为金瓷冠留出的:小间隙为()

A.0.5mm

B.1.0mm

C.1.5mm

D.2.0mm

E.2.5mm

考点:广西口腔住院医师规范化培训口腔修复学口腔修复学题库
题型:单项选择题

定积分

=______.

题型:单项选择题

以下属抗生素类抗肿瘤药物的是()。

A.白消安

B.阿糖胞苷

C.博来霉素

D.喜树碱

E.抗癌锑

题型:单项选择题

Stress is our response to threatening or (1) events. We may experience different levels of stress depending on the (2) , meaning the events or circumstances that cause us to feel stress. Stressors can be classified into (3) main categories: (4) events, personal stressors, and (5) stressors. Cataclysmic events are major events that cause stress (6) , immediately, for a great many people at once. Personal stressors are major life events that create stress, including (7) life events. Background stressors are (8) hassles, or minor irritations, or (9) background stressors. Repeated exposure to stressors has both psychological and (10) consequences. The long- term consequence is that body tissues such as the heart and blood vessels can begin to (11) . The (12) system functions less effectively, and (13) our ability to fight off illnesses.
The General Adaptation (14) explains the sequence of physiological reactions to stress. There are three phases to G. A. S. The first is the " alarm and (15) " phase: we respond with alarm, and take (16) to remove the stressor. The second phase is the (17) stage: we fight against the stressor or try to cope with the stressor. This can lead to the third phase. (18) . The exhaustion phase may be an (19) way of trying to avoid the stressors. The body may be telling us that we need to do whatever is (20) to remove the stressor.

Stress is our response to threatening or (1) events. We may experience different levels of stress depending on the (2) , meaning the events or circumstances that cause us to feel stress. Stressors can be classified into (3) main categories: (4) events, personal stressors, and (5) stressors. Cataclysmic events are major events that cause stress (6) , immediately, for a great many people at once. Personal stressors are major life events that create stress, including (7) life events. Background stressors are (8) hassles, or minor irritations, or (9) background stressors. Repeated exposure to stressors has both psychological and (10) consequences. The long- term consequence is that body tissues such as the heart and blood vessels can begin to (11) . The (12) system functions less effectively, and (13) our ability to fight off illnesses.
The General Adaptation (14) explains the sequence of physiological reactions to stress. There are three phases to G. A. S. The first is the " alarm and (15) " phase: we respond with alarm, and take (16) to remove the stressor. The second phase is the (17) stage: we fight against the stressor or try to cope with the stressor. This can lead to the third phase. (18) . The exhaustion phase may be an (19) way of trying to avoid the stressors. The body may be telling us that we need to do whatever is (20) to remove the stressor.

题型:单项选择题

设定限制用户使用磁盘空间的命令是______。

题型:单项选择题

当前流行的关系数据库管理系统一般都会提供一系列安全措施。以下不属于数据库安全措施的是

A.用户标识与鉴别

B.存取控制

C.视图和触发器

D.并发控制

更多题库