治疗链球菌引起的感染应首选的抗生素是（） A.链霉素 B.青霉素 C.灭滴灵 D.红

如果用（7，3）表示七年级三班，则八年级四班可表示成（    ）。

女，50岁。近口角处颊黏膜白色斑块近1年，不能擦去。组织学见上皮增生，内有中性粒细胞浸润和散布微脓肿，角化层有垂直于上皮的PAS阳性菌丝。结缔组织内慢性炎细胞浸润。最可能的病理诊断是（）

A.白斑

B.红斑

C.口腔结核

D.念珠菌病

E.慢性盘状红斑狼疮

道路包括线形组成和结构组成两大部分，包括（）、（）、桥梁、涵洞、（）、防护工程、排水设施和交通工程等构造物。

深静脉血栓用肝素抗凝治疗时凝血时间(试管法)维持在( )

A．超过正常值的1倍为宜
B．超过正常值的2倍为宜
C．超过正常值的3倍为宜
D．超过正常值的4倍为宜
E．超过正常值的5倍为宜

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.