根据不同的起源和成因，斑块类型可分为（）
A．环境资源斑块
B．圆形斑块
C．残存斑块
D．引入斑块
E．干扰斑块
参考答案：A, C, D, E
根据句意及汉语提示完成下列单词。
1. What color is your _____ (头发)?
2. My brother is in the football _____ (队), because he likes sports very much.
3. Tom is_____ (从不) late for school.
4. The box is too _____（重). I can't carry it.
允许供应商分批交货在哪设置（）？
A.设置共用参数
B.录入供应商信息
C.设置采购单据性质
D.录入采购单
