第2题: [单项选择]用于将MAC地址转换成IP地址的协议一般为_______。 A. ARP B. RARP C. TCP D. IP 参考答案:B 答案解析:[知识点] Internet通信协议——TCP/IP
[评析] ARP:地址解析协议,用于将IP地址映射到MAC地址;
RARP:反向地址解析协议,用于将MAC地址映射成IP地址;
IP:互
第13题: [单项选择]下列选项中属于海关对进出境物品监管的基本原则是( )。 A. 合法进口和购买原则 B. 数量和价值上都不限制原则 C. 充分合理原则 D. 自用合理数量原则 参考答案:D 答案解析:[精解] 进出境物品:包括行李物品、邮递物品和其他物品。对于进出境物品的行李(邮递)物品,应该满足“自用合理数量原则”,此原则是海关对进出境物品监管的基本原则,也是对进出境物品报关的基本要求。
第15题: [单项选择]What did Linda do after graduating from college A. Because it was difficult to find a job. B. Because it offered high salary. C. Because it was near her parents’ house. 参考答案:C 答案解析:[精解] 听力细节题。短文中提到"She was still living with her parents.","It was near her parents’ house.","I’ll wal
第29题: [单项选择]Adverse reviews in the New York press may greatly change the prospects of a new Broad- way production. A. additional B. encouraging C. unfavorable D. subversive 参考答案:C 答案解析:additional附加的,额外的。encouraging奖励的。unfavorable令人不快的,不顺利的。subversive颠覆性的,破坏性的。adverse敌对的,相反的。