A major reason for (21) in the animal world is territory. The male animal establishes an area. The size of the area is sufficient to provide food for him, his (22) and their offspring. Migrating birds, for example, (23) up the best territory in the order of "first come, first (24) . "The late arrivals may acquire larger territories, but less food is (25) , or they are too close to the (26) of the enemies of the species. (27) there is really insufficient food or the danger is very great, the animal will not mate. In this way, the members of the species which are less fit will not have (28) .
When there is conflict (29) territory, animals will commonly use force, or (30) of force, to decide who will stay and who will go. It is interesting to note, however, that animals seem to use the (31) amount of force necessary to drive away the (32) There is usually no killing. In the case of
A. indication
B. gesture
C. sign
D. symbol

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[单选题]患儿, 2 岁, 4 日前发热, 伴咳嗽、流涕、流泪, 今晨发现耳后、颈部、发际边缘有红色斑丘疹, 疹间皮肤正常, 眼结膜充血, 口腔粘膜红, 体温 39. 8 ℃, 精神不振, 心、肺正常。本病诊断已明确, 下列处理哪项不正确
A. 高热可适当给予物理降温
B. 静脉注射利巴韦林
C. 静脉注射青霉素
D. 口服止咳糖浆
E. 酌情小剂量服退热剂

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[单选题]A.甲氧苄啶(TMP)
A.环丙沙星
B.呋喃唑酮
C.四环素
D.萘啶酸
E.对铜绿假单胞菌无效的喹诺酮类

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[填空题]应急响应要及时、迅速、（）、处置正确

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[单选题]在没有中心隔离设施或没有中心线的道路上，机动车遇相对方向来车时，（）。
A.狭窄的山路，靠山体的一方先行
B.狭窄的坡路，下坡的一方先行
C.有障碍的路段，无障碍的一方先行

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[多选题]低压配电线路和设备上的停电作业，应先拉开低压侧开关，后拉开低压侧刀闸；作业前检查双电源、多电源和自备电源、分布式电源的客户已采取机械或电气联锁等防止反送电的强制性技术措施。
A.控制电源
B.多电源
C.自备电源
D.分布式电源

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[简答题]工作票有几种？各种的适用范围是什么？

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[单选题] 微正压是指输送空气的压力小于或等于（）。 "
A.0.1
B.0.2
C.0.3
D.0.4"

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[单项选择]

Reading is a way of enjoyment, relaxation, rest or freedom from worry. These can be felt by the readers from the actual reading (36) and from the impact provided.
Reading provides the knowledge we are unable to gain from personal (37) . If we cannot travel around the (38) , we can read books (39) travel and gain information of (40) countries, people (41) their ways of life. We can also read about the (42) customs of different countries. Surely we cannot go (43) to the past, yet, by reading (44) , we can obtain knowledge of the past, something about the lives of great and famous (45) , and (46) the world it- serf.
From reading, we can (47) of new things, new methods of inventions, different methods of (48) things, different techniques of making things, etc. For example, we can learn (49) an electric cooker is invented. In cooking, we can learn how to (50) an app
A. itself
B. themselves
C. himself
D. herself