在无线电传通信中，业务缩写ABS表示（）
A.休假日不办公
B.用户不在/办公时间已过
C.随后发送
D.连接中断
参考答案：B
— Where did you get the information on the cost of living in Australia as an exchange student?
— It was from the educational department _________ my uncle works. [ ]
A. that
B. which
C. where
D. as
不属于商业人寿保险类型的为______。
A．死亡保险B．生存保险C．生死合险D．健康保险
