Sporting activities are essentially
modified forms of hunting behavior. Viewed biologically, the modem foot-bailer
is in reality a member of a bunting group. His killing weapon has turned into a
harmless football and his prey (猎物) into a goalmouth. If his aim is accurate and
he scores a goal, be enjoys the hunter’s triumph of killing his prey. To understand how this transformation has taken place we must briefly look back at our forefathers. They spent over a million years evolving as cooperative hunters. Their very survival depended on success in the hunting-field. Under this pressure their whole way of life, even their bodies, became greatly changed. They became chasers, runners, jumpers, aimers, throwers and prey-killers. They cooperated as skillful male-group attackers. Then about ten thousand years ago, after this immensely long period of hunt A. successful farmers B. co-operating hunters C. runners and jumpers D. skillful sportsmen [名词解释]养老基金
[判断题]流行性乙型脑炎、狂犬病、钩端螺旋体病均为自然疫源性疾病。
[判断题]276.对于投资额大、技术复杂,按照项目进度分期付款的固定资产投资项目,一般应要求借款人提供有监理、评估、质检等第三方机构参与签署的确认项目进度和质量的书面文件。
A.正确 B.错误 [判断题]峰谷分时电价是指根据电网的负荷变化情况,将每天12小时划分为尖峰、峰、平、谷等时段,对各时段分别制定不同的电价,以鼓励用电客户合理安排用电时间,削峰填谷,提高电力资源的利用效率。
[单选题]BD001 乙烯装置的制冷系统是( )的。
A.开放式 B.半开放式 C.密闭式 D.半密闭式 [单选题]高速铁路接触网抢修人员要本着“()”原则,立即申请要点登乘动车组列车。
A.快速出动、就近上车 B.快速出动、乘坐汽车 C.快速出动、等待上车 D.以上都不对 [单项选择]20世纪的四项重大发明是指激光、计算机、原子能和()。
A. 基因工程 B. 纳米材料 C. 半导体 D. 宇宙飞船 [单选题]( )依法对安全生产工作进行监督。
A.安全生产监督管理部门 B.生产经营单位 C.安全生产中介机构 D.工会 [单项选择]治疗尿毒症高钾血症的最有效的方法是()。
A. 利尿 B. 高糖加胰岛素静脉滴注 C. 静脉推注10%葡萄糖酸钙 D. 静脉滴注碳酸氢钠 E. 透析 [单选题]《关于印发<铁路技术管理规程>第一次修订内容的通知》(上铁师〔2017〕362号)(高速铁路部分)规定,CRH2A动车组最高运行速度为( )。
A.200 B.250 C.300 D.350 我来回答: 提交
|