第6题: [单项选择]电子邮件通常使用的协议有( )。 A. SNMP和POP3 B. SMTP和RMON C. RMON和SNMP D. SMTP和POP3 参考答案:D 答案解析:[解析] 电子邮件在发送和接收的过程中的基本协议主要有2类，一类是邮件传送协议，最主要的协议是SMTP协议即简单邮件传输协议，它用于主机和主机之间的电子邮件交换；另一类是邮件读取协议，主要有POP3协
第7题: [单项选择]What do we learn about prisoners in Britain A. They are encouraged to do maintenance for the training centre. B. Most of them get paid for their work. C. They have to cook their own meals. D. They can choose to do community work. 参考答案:B
第11题: [单项选择]Why does Paula think Sam can help her A. He has some knowledge of the law. B. He had the same problem. C. He knows the owner. D. He can bring a lawsuit against the owner. 参考答案:A
