第15题: [单项选择]Passage Two Questions 29 to 31 are based on the passage you have just heard. A. Because they owned bombs. B. Because they lied to the FBI. C. Because they threaten people’s life. D. Because they revolt the FB 参考答案:B 答案解析: [听力原文] 29-31 The FBI has made 3 arrests in a terror probe on US soil for making false
第32题: [单项选择]Questions 32 to 35 are based on the passage you have just heard.A. Because many settlements were abandoned. B. Because there were many gold-hungry sailors. C. Because private gold could not be protected by law. D. Because everybody raced for California. 参考答案:C 答案解析:[解析] Why was gold-mining a risky business
信息明示题。文章提到…it was a risky business.Law
第33题: [单项选择]口底、颌下和颈部的急性蜂窝织炎可并发() A. 菌血症 B. 败血症 C. 化脓性海绵状静脉窦炎 D. 喉头水肿 E. 面部蜂窝织炎 参考答案:D 答案解析:面、颌下和颈部的急性蜂窝织炎,可发生喉头水肿和压迫气管,引起呼吸困难,甚至窒息。