自行研发的无形资产项目，研究阶段的支出列入（）支出。
A.固定资产
B.在建工程
C.费用
D.无形资产
参考答案：C
The policeman stopped him when he was driving home and _____ him of speeding.
A．charged
B．accused
C．blamed
D．deprived
双排钢管扣件式脚手架一个步架高度以（）较为适宜。
A.1.5m
B.1.2m
C.1.6m
D.1.8m
