【单选题】Peat mosses are currently harvested and used ______________.
A.
as soil additives to increase water retention
B.
as soil additives to increase soil acidity
C.
as packing material for live specimens
D.
in the production of Scotch whiskey
E.
all of these are current uses for peat mosses
【简答题】泥炭鞣尸(tanned cadaver in peat bog)(名词解释)
【简答题】建筑设计是在总体规划的前提下,根据任务书的要求,综合考虑基地环境、使用功能、结构施工、材料设备、建筑经济及建筑艺术等问题,着重解决建筑物内部 各种 ()和()的合理安排,
【简答题】被子植物的雄配子体指的是 ,雄配子指的是 。