【单选题】I want to complain__the food and the service in this restaurant.
【单选题】I want to complain ( ) the food and the service in this restaurant.
【判断题】当TTL值达到最大值256时,路由器会丢弃当前的数据报,并产生一个ICMP数据报超时报告。
【单选题】I want to complain to the manager. The coffee is cold, and ______ , the steak is as hard as a rock.
【判断题】当TTL值达到最大值256时,路由器会丢弃当前的数据报,并产生一个ICMP数据报超时报告。
【单选题】一个肝硬变患者,因为食管下段大出血住院,请问这种出血是因为