第10题: [单项选择]{{I}} Questions 11~13 are based on the following talk. You now have 15 seconds to read questions 11~13.{{/I}}How long did Emily Dickinson live in the house where she was born A. Almost all her life. B. Less than half her life. C. Until 1830. D. Before 1873. 参考答案:A 答案解析:[听力原文]11-13
Emily Dickinson is one of the greatest American poets. She was born in a typical New
第11题: [单项选择]在数据库加锁技术中,一个事务如果对某一数据项加了排他(exclusive)锁,它将保持此锁直到该事务结束。这是保证事务( )特性。 A. 原子性(atomicity) B. 一致性或可串行性(consistency or serializability) C. 永久性(durability) D. 隔离性(isolaty) 参考答案:D 答案解析:解析:事务如果对数据项加排他锁,就要保持到该事务结束为止,它保证事务隔离性的重要措施。
第20题: [单项选择]胆脂瘤是慢性化脓性中耳炎的并发症之一,其X线典型表现为() A. 硬化型乳突 B. 乳突内圆形、边界清楚、边缘硬化之透亮区 C. 乳突内不规则形、边界模糊不清之透亮区 D. 不规则状虫蚀样骨质破坏 E. 片状不规则骨质硬化 参考答案:B 答案解析:继发性胆脂瘤是慢性化脓性中耳炎的并发症,典型者CT可见鼓室盾板、上鼓室侧壁及骨前棘破坏乳突窦人口及乳突窦扩大,边缘硬化。
第26题: [单项选择]To improve their national economy, the governments of many developing nations give priority in their strategic tourism planning to the development of ( ). A. international tourism B. domestic tourism C. home tourism D. inside tourism 参考答案:A 答案解析: