根据所提供的图像,推断此三维图像的数据是静脉注射后几秒采集的()
A.30s
B.60s
C.90s
D.180s
E.210s
参考答案:D
— Shall we go swimming or play badminton?
— _____. They are both good ideas. [ ]
A. It makes no difference to me
B. That's all right
C. Yes, I like them very much
D. I'd prefer the former
灾难恢复目标的设置不包括______。
A.关键业务功能及恢复的优先顺序 B.RTOC.RPO D.灾备环境