单选题The major forest products include ______. A. full tree、 long log、 short log, chip B. full tree、 round log、 short log, chip C. whole tree、 long log、 short log, sawtimber

单选题If the timber has been purchased on a lump-sum basis, inattention to bucking decisions can create large financial losses to ______. When timber has been purchased on a (per unit of volume) harvested basis, the losses associated with miss cut logs are borne by the ______. A. timber buyer, landowner B. landowner, timber buyer C. forest manager, logger

单选题According to the way the machine operated, the felling machine can be classified into ______. A. three-wheel machine vs. four-wheel machine B. drive to tree machine vs. swing to tree machine C. saw-head machine vs. shear-head machine

单选题椴木树种管孔分布的特征为( )。 A．散孔材 B．半散孔材 C．环孔材 D．半环孔材

单选题深虫眼是指昆虫蛀蚀圆材的深度自( )以上的虫眼。 A．1mm B．10mm C．3mm D．3cm

单选题When timber has been purchased on a (per unit of volume) harvested basis, the losses associated with miss cut logs are borne by the ______. If the timber has been purchased on a lump-sum basis, inattention to bucking decisions can create large financial losses to A. landowner, timber buyer B. timber buyer, landowner C. forest manager, logger

单选题The major forest products include ______. A. full tree. long log. short log, chip B. full tree. round log. short log, chip C. whole tree. long log. short log, sawtimber