问题
单项选择题 案例分析题
【背景资料】某单位一栋旧办公楼装修，具备照明系统安装条件，可进场进行照明系统安装。
请根据背景资料完成相应小题选项，选项类型根据各小题注明要求，把所选项在答题卡相应题号中填涂，在题本上答题无效！其中，判断题二选一（A.B选项），单选题四选一（A.B.C.D选项），多选题四选二或三（A.B.C.D选项）；不选、多选、少选、错选均不得分。
刚性导管经柔性导管与电气设备、器具连接，柔性导管的长度在照明工程中不大于（）m。
A、0.5
B、1
C、1.2
D、2.5
答案
参考答案：C
and telephone hot lines, too. A hot line is a telephone line that offers a direct way of getting in touch with advisers .Most hot lines are completely anonymous ,that is to say , callers do not have to say their names or telephone n
umbers. Most hot lines are usually free. Callers do not have to pay for the advice or the phone calls, even if the calls are long distance ones. At some hot lines, the advisers are volunteers. Other hot lines pay their advisers for their work. Usually the advisers are full-time people with years of education and experience, but sometimes, the advisers have only taken a short training before starting to work on the hot lines. All the advisers listen to people and help them solve their problems