在主体化机车信号主机板的条件L上：当“2”短接时，表示灵敏度适于接收什么？
参考答案：接收电气化区段移频信息。
用所给词的适当形式填空。
1.It was great____(see) her again.
2.In ADT we also do things like_____(learn) to cook as well as ____(draw)and design.
3.He likes reading instead of ____(watch) TV.
4.Sally ____(be) at school since she was five and she_____(be) there until she's 18.
5.Their school isn't as big as _____(we).
外加剂各种指标中，（）应在包装上标明.
A、产品名称
B、细度
C、型号
D、执行标准
eading instead of ___
_(watch) TV.