培养条件
参考答案:
促进微生物发芽、生长和繁殖所采用的生长培养基和培养方法的组合。
Believe it or not ,our house isn’t ______ their new house bought last month.
A.half as large as
B.as half large as
C.as large as half
D.large as half as
直接费是指与构成工程实体密切相关的费用,它包括()。
A、人工费
B、间接费
C、材料费
D、机械使用费