默认路由
参考答案：
用于指导帧的静态路由表条目，它的下一中继段没有在动态路由表中说明清楚。
Although she was superior______skills and leadership, she was dismissed _____her post for betraying the secrets to another company.
A．to; from
B．in; from
C．to; for
D．from; from
根管充填的时机除外（）。
A.牙无自觉症状
B.根管内无渗出
C.棉捻无臭味
D.无叩痛
E.根尖病变明显缩小
