第4题: [单项选择]Why did holidays abroad become a common prize after the war A. Group travel became easier. B. Everyone wanted the opportunity to travel. C. People became more interested in material possessions. D. People wanted to get away from familiar surroundings. 参考答案:B 答案解析:本题询问为什么二战后“出国旅游”成了流行的奖励。这一定与读者的需求紧密相 关。文章最后一段讲到“If you were flanked by neighbors who,unlike you,coul
第28题: [单项选择]索引属于( )。 A. 模式 B. 内模式 C. 外模式 D. 概念模式 参考答案:B 答案解析:内模式(Internal Schema)又称物理模式(Physical Schema),它给出了数据库物理存储结构与物理存取方法,如数据存储的文件结构、索引、集簇及hash等存取方式与存取路径。
第29题: [单项选择]硬肿症的发病原因为 A. 外感风毒,胎热内蕴 B. 寒湿阻滞 C. 感受风冷水湿秽毒之邪 D. 先天不足,元阳不振 E. 肝肾阴虚 参考答案:D