室外的临时用电配电盘箱及开关，插座要有（）措施。
A、防触电
B、防雨防潮
C、防静电
D、防雷击
参考答案：B
需求描述主要由哪几部分组成______。 ①需求模型②软件需求说明书 ③项目文档④功能说明书
A) ①② B) ①②③ C) ①②④ D) ①②③④
—Why not go out for a walk before breakfast?
—Oh，yes. _________ is my favorite time of day.
A．In the early morning
B．Early morning
C．The early of morning
D．The early morning that
