【单选题】A comprehensive harvest plan is usually prepared ______________.
A.
prior to conducting a timber sale.
B.
prior to beginning harvesting operations.
C.
after conducting a timber sale.
D.
after beginning harvesting operations.
【单选题】Normally the first step in harvesting a timber stand is
【单选题】蒙古族文学史上第一篇历史小说是( )。p31
【单选题】Timber harvesting is the end of ____ of a forest in terms of timber production, and also the start of ____.
A.
timber production, forest management
B.
next generation, growing cycle
C.
growing cycle, next generation
D.
forest management, timber production
【单选题】Timber harvesting is the end of ______ of a forest in terms of timber production, and also the start of ______.
A.
timber production, forest management
B.
next generation, growing cycle
C.
growing cycle, next generation
【单选题】The first step in harvesting a timber is ______.
【判断题】高温物质和环境危害物质属于第9类危险品。
【多选题】大学生应该以有理想、有本领、有担当的时代新人,要有( )。
B.
民族的希望、祖国的未来,肩负着人民的重托、历史的重任。
D.
天下兴亡、匹夫有责的担当精神,讲求奉献,实干进取。
E.
有信念、有梦想、有奋斗、有奉献的人生,才是有意义的人生。