第11题: [单项选择]按覆盖的地理范围进行分类,计算机网络可以分为三类______。 A. 局域网、广域网与X.25网 B. 局域网、广域网与宽带网 C. 局域网、广域网与ATM网 D. 局域网、广域网与城域网 参考答案:D 答案解析:[知识点] 计算机网络的定义与分类 广域网、局域网与城域网的分类、特点与典型系统 [评析] 计算机按照其覆盖的地理范围进行分类,可以很好地反映不同类型网络的技术特征。由于网络覆盖的地理
第18题: [单项选择]{{B}}Question 11 to 18 are based on the conversation you have just heard.{{/B}} A. Ask for a check to cover the difference. B. Buy a new TV set. C. Ask somebody else to repair his TV. D. Mr. John is the best person to ask for repairing TV sets. 参考答案:C 答案解析:[听力原文]
M: I had to have Mr. John come over and adjust my TV again last night.
W:If I were you,I’d