IP地址中，网络部分和主机部分都为全0的地址表示（）.A.网络地址 B.特定网段的广 发布时间：2017-04-27 10:17 │ 来源：www.tikuol.com 题型：单项选择题 问题： IP地址中，网络部分和主机部分都为全0的地址表示（）.A.网络地址B.特定网段的广播地址C.所有网络D.本网段所有节点的广播地址
题型：单项选择题 我国改革开放二十多年来发生了历史性的巨变．但仍然是一个发展中国家，这体现了A．世界的物质统一性原理B．物质和意识的辩证关系原理C．物质运动和时空不可分割的观点D．运动和静止相统一的观点 查看答案
题型：单项选择题 重大项目经济影响分析的任务主要有（）。A.分析项目对市场宏观经济的协调性B.分析项目经济影响的范围C.分析项目经济影响途径及影响程度D.分析论证项目的投资是否符合经济发展总体布局的要求E.进行相关的战略规划背景分析 查看答案
题型：单项选择题 完形填空 In 1982, Steven Callahan was crossing the Atlantic alone in his sailboat when it struck something andsank. He got into a life boat, but his supplies were 1 . His chances of surviving were small. 2 when three fishermen found him 76 days later, he was alive-much 3 than he was when he started, but alive. His 4 of how he survived is fascinating. His cleverness - how he 5 to catch fish, how he evaporated(蒸发)sea water to 6 fresh water - is very interesting. But the thing that 7 my eye was how he managed to keep himself going when all hope seemed lost,and there seemed no 8 in continuing the struggle. He was starved and 9 worn-out. Giving up wouldhave seemed the only possible choice. When people 10 these kinds of circumstances (境遇), they do something with their minds that givesthem the courage to keep going. Many people in 11 desperate circumstances 12 in or go mad.Something the survivors do with their thoughts helps them find the courage to carry on 13 difficulties. "I tell myself I can 14 it," wrote Callahan in his book. "Compared to what others have been through, I'm fortunate. I tell myself these things over and over, 15 up courage…( )1. A. little ( )2. A. And ( )3. A. thinner ( )4. A. attitude ( )5. A. assisted ( )6. A. make ( )7. A. attacked ( )8. A. need ( )9. A. firmly ( )10. A. deal ( )11. A. similarly ( )12. A. pull ( )13. A. for the lack of ( )14. A. handle ( )15. A. rolling ( )16. A. defeated ( )17. A. far ( )18. A. supplies ( )19. A. how ( )20. A. get round B. rich B. Yet B. stronger B. assumption B. tended B. absorb B. attracted B. taste B. completely B. defend B. differently B. take B. in the face of B. carry B. using B. recommended B. long B. senses B. that B. get over C. few C. Still C. worse C. instruction C. managed C. select C. caught C. message C. hardly C. survive C. gradually C. break C. in exchange for C. follow C. building C. introduced C. ever C. ideas C. which C. get through D. enough D. Thus D. healthier D. account D. intended D. replace D. drew D. point D. generally D. observe D. commonly D. give D. as a result of D. inspect D. making D. struck D. even D. influences D. what D. get off 查看答案
题型：单项选择题 追尾碰撞的特点有（）。A.被追尾车辆碰撞发生前一般不知情B.被追尾车辆会继续向前移动C.两车行驶方向相同D.肇事车追尾时采取制动垂死，因惯性作用车头会下沉E.后车边制动边向前运动 查看答案