第12题: [单项选择]Passage 1When did I decide to find out about "Aunt Maggie"
a. Three years ago.
b. When my father died.
c. About 85 years after my correspondence with her.
d. When i was nineteen. 参考答案:C 答案解析:[听力原文]
When did I decide to find out about "Aunt Maggie"
[分析] 细节信息。
题干:我何时决定查出麦琪姑妈的消息 根据原文“
第13题:[单选题]影响网络安全的因素不包括_______。 A. 操作系统有漏洞 B. 网页上常有恶意的链接 C. 通讯协议有漏洞 D. 系统对处理数据的功能还不完善 参考答案:C 所属章节:[信息安全与网络道德]