第21题: [单项选择]肛瘘的主要症状一般没有:() A. 便血 B. 反复流脓 C. 疼痛 D. 瘙痒 E. 肛周湿疹 参考答案:A
第22题:[多选题] 调集增援力量应遵循( ) A. 火场指挥员在出动途中或到达火场后,根据火灾情况,认为灭火力量不足时。 B. 火场上出现爆炸或建筑物倒塌等情况,灭火力量不足时。 C. 消防通信指挥中心根据报警了解到的情况,确认有必要调集增援力量时。 D. 火场基本被控制,但有复燃的可能。 参考答案:ABC
What can we learn about the couple A. They worked in a restaurant. B. They had a restaurant in the shopping center. C. They owned a successful restaurant. 参考答案:C 答案解析:[听力原文] 10-12 W: Who were those two men you were talking to M: They own a shopping center.