RTU运行灯闪烁.拨码开关处于R档位置时，对于RTU描述正确的是RTU遇到未知故障。（）
参考答案：错
Used to TV shows, where everything is quick and entertaining, many people do not have the _______ to read a book that requires thinking.
A．courage
B．wisdom
C．patience
D．freedom
第一印象
