RS232标准是CCITT制定的有关数字信道传送数据的接口标准。
参考答案:错
The English Corner in Zhongshan Park is where people 1.___________
go to practise their speaking English. Every Sunday afternoon 2.___________
they gather around, talk to each other in English. Among 3.___________
they are students, teachers, doctors, and so on. I first went to an 4.___________
English Corner when I was in Junior Grade Two. I went there on 5.___________
every Sunday and chat with some people in English. In the 6.___________
past three years I had never been absent. I’m sure I’ve made 7.___________
some progresses in my listening and speaking. And I have 8.___________
made many friends there. The English Comer is really good 9.___________
place. I hope that more friends will join in us. 10.___________
电话值班员每天要做好的记录是()。
A.个人装备维护保养记录
B.一般技术训练记录
C.演习训练记录
D.交接班记录