参考答案: [参考例文] Dear Teacher, I am sorry that l can’t so to school this Monday. My family had a picnic last weekend with some friends.Unfortunately during the picnic I caught a cold because it was cold then,and now l still cough continuously .I hope l can so to school this Tuesday.
第11题: [单项选择]特许连锁总部与分店的关系是( )。 A. 管理与被管理的关系 B. 协商与服务的关系 C. 平等的合作关系 D. 合同关系 参考答案:B 答案解析:[解析] 特许(加盟)连锁是连锁店总部和加盟店两者间的持续契约关系.即总部通过合同授权加盟店使用属于总部所有的商号、商标、服务标志及其他经营技术。加盟店要按销售额或毛利的一定比例向总部支付特许费用,并
第24题: [单项选择]When IP multicast is enabled via PIM, which mode uses the flood and prune metho d? Select the best response.() A. PIM sparse - dense B. Bidir - PIM C. PIM - RP D. PIM - DM E. PIM - SM 参考答案:D