作业标设在何处?
参考答案:
作业标设在施工线路及其邻线距施工地点两端500~1000m处.司机见此标志须提高警惕,长声鸣笛.
The mother walked into the room in order not to wake up her baby.[ ]
A. quickly
B. quietly
C. heavily
D. fast
我国的森林种类:(),用材林,(),薪炭林和特种用途林等五大林种。