组织临战训练的主要工作不包括（）
A.拟制计划，下达指示
B.向上级递交申请
C.组织训练保障
D.检查指导部队训练
参考答案：B
--- Do you often get on line?
--- Yes. I _____ most of my time _____ on it. It’s a good way to search for information.
A．cost; surfing
B．spend; surfing
C．pay; playing
D．take; playing
简述天台宗的主要思想。
