A major reason for conflict in the animal world is
territory. The male animal{{U}} (21) {{/U}}an area. The size of the area
is sufficient to provide food for him, his{{U}} (22) {{/U}}and their
offspring. Migrating birds, for example, divide up the best territory in the
order of "first come, first{{U}} (23) {{/U}}" The late arrivals may
acquire{{U}} (24) {{/U}}territories, but less food is{{U}} (25)
{{/U}}, or they are too close to the{{U}} (26) {{/U}}of the enemies
of the species. When there is conflict over territory, animals will commonly use force, or a{{U}} (27) {{/U}}of force, to decide which will stay and which will go. It is interesting to note, however, that animals seem to use only the{{U}} (28) {{/U}}amount of force necessary to drive away the intruder. There is usually no killing. In the{{U}} (29) {{/U}}of those A. obtaining B. gaining C. winning D. acquiring [简答题]
知识点: [简答题]问题同上
[简答题]锅炉正常运行中安全附件的定期操作有哪几个?
[判断题]( )绝缘手套作业法带电接空载引线前,工作负责人确认作业点后段无负载,负荷侧变压器、电压互感器确已退出、熔断器确已断开(熔管已取下),待断引流线确已空载。
A.正确 B.错误 [单项选择]风险识别中风险种类包括( )项内容。
A. 7 B. 6 C. 5 D. 4 [判断题]无线网络中,相邻两个汇聚区域的边界位置,如果一个区域的中心站与另一个区域的中心站有重叠覆盖时,这两个中心站及其对应的远端需划分不同的频点。
A.正确 B.错误 [单选题]造成重整汽油的蒸汽压偏高的原因是( )。
A.稳定塔底温度过高 B.稳定塔顶回流量过大 C.稳定塔的操作压力过高 D.汽油稳定塔顶温度偏高 [单项选择]心室肌的有效不应期较长,一直持续到()
A. 收缩期开始 B. 收缩期中间 C. 舒张期早期 D. 舒张中后期 E. 舒张期结束 [多项选择]建筑工程施工质量验收层次中的分项工程包括( )。
A. 钢筋工程 B. 混凝土工程 C. 现浇结构工程 D. 通风与空调工程 E. 地基与基础工程 [判断题]煤矿井下避难硐室是矿工在遇到事故无法撤退时躲避待救的设施。()
A.正确 B.错误 [单项选择]As oil pipe line connections were broken,()quantity of oil was caused to spill onto the wharf and into the dock water.
A. a not knowing B. an unknowing C. an unknown D. a not known [简答题] 请简述铬在不锈钢中的作用?
[多项选择]经济与社会发展规划的作用有( )。
A. 目标导向作用 B. 平衡协调作用 C. 资源优化配置的作用 D. 政策选择的作用 E. 重大事件优先选择的作用 [单选题]国境卫生检疫机关发现检疫传染病或者疑似检疫传染病时,必须用最快的方法报告国务院卫生行政部门,最迟不得超过________。
A.6小时 B.12小时 C.24小时 D.48小时 [单项选择]在下列线性表中,限定仅在表的一端进行插入和删除运算的线性表是
A. 队列 B. 栈 C. 串 D. 数组 [单选题]2号线可开放引导信号的情况不包括( )。
A.A、道岔故障 B.B、LED信号机故障 C.C、PSD故障或PEP故障 D.D、计轴区段故障 我来回答: 提交
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