室内抹灰使用的工具性脚手架搭设应稳固。脚手板跨度不得大于(),材料堆放不得过于集中,同一跨度内作业不得超过两人。
A.1m
B.2m
C.3m
D.4m
参考答案:B
介、副词填空。
1. Look ______ the map, please.
2. Please look ______ your things well.
3. Don't worry ______ me.
4. Please give the ruler ______ me.
5. Put this football sock ______. Don't leave it here.
岳麓书院文庙建于哪个朝代()
A、宋
B、元
C、明
D、清