蔬菜种子的类型包括()、果实、营养器官、真菌的菌丝组织。
参考答案:植物学上的种子
If you insist on continuing like this, I think you take a risk of________to leave the company. [ ]
A. to force
B. to be forced
C. forcing
D. being forced
完全随机设计资料多个样本均数比较时,若处理无作用,则方差分析的F值在理论上应等于()
A.-1
B.0
C.1
D.∞
E.任意值