电台所属各类表单中,()应长期保管.
A.国际.国内电报报底
B.电台日志
C.通导设备登记簿.通导设备维修保养登记簿
D.各种通信帐单.电台日志
参考答案:C
根据各组对话内容,从下面方框里提供的5个选项中选出最佳选项
A:I’m leaving for HongKong for aweekend break.
B:()。
A.Sure. What is it
B.It’s very nice of you to say so.
C.It’s nothing.
D.Have a nice trip!
E.Certainly. Here you are.
何谓环境教育?其目的是什么?