产品研发风险是一种()。
A.战略风险
B.财务风险
C.运营风险
D.市场风险
参考答案:A
以下不属于德育评价的原则的是()
A.教育性原则
B.主观性原则
C.客观性原则
D.科学性原则
—Does Mary have a basketball?
—_____. [ ]
A. Yes, she is
B. She's fine
C. No, she doesn't
D. Yes, she do