合理变通的主要方式有（）
A、回避
B、转视
C、换脑
D、斗争
参考答案：A, B, C
---He was almost killed once.
---When was ______?
---______ was in 2012 when he was in the college.
A．that; It
B．this; This
C．this; It
D．that; This
电气化铁路线路捣固作业应注意哪些事项？
