第9题: [填空题]S8 参考答案:It is only more recently that it has become increasingly understood that the production of goods is a waste of resources unless those goods can be sold at a fair price.
答案解析:Main Points:Until recently people have begun to know that it is a waste of resources to produce good
第18题: [单项选择]The passage suggests that the earliest stoneware A. was decorated with simple, abstract designs B. used three-dimensional decorations C. was valued for its fancy decorations D. had no decoration 参考答案:A
第25题: [单项选择]Officials fear that extremists may ______ to violence. A. certify B. confine C. retort D. resort 参考答案:D 答案解析:[译文]官员们害怕那些极端主义分子会诉诸暴力。
[解析]动词辨义。这四个选项都是动词,certify表示“证明;证实”;confine表示“限制,禁闭”;retort意指“反驳,反击;回报”;res
第26题: [单项选择]某公司网管员对核心数据的访问进行控制时,针对每个用户指明能够访问的资源,对于不在指定资源列表中的对象不允许访问。该访问控制策略属于______。 A. 自主访问控制(DAC) B. 强制访问控制(MAC) C. 基于角色的访问控制(RBAC) D. 访问控制列表方式(ACL) 参考答案:A 答案解析:[解析] 因实现的基本理念不同,访问控制可分为强制访问控制(MAC)和自主访问控制(DAC)两种。 强制访问控制中,系统独立于用户行为强制执行访问控制,用户不能改变他们的安全级别或对象的安全