增强扫描,下述结构哪个最迟强化()
A.肝脏
B.肾门以下下腔静脉
C.肾门以上下腔静脉
D.脾脏
E.胰腺
参考答案:B
气体灭火系统防护区的最低环境温度不应低于()0C。
A、5
B、0
C、-5
D、-10
----Did you forget about my birthday?
---- I’ve booked a table at Michel’s restaurant for this evening.
A.What then?
B.I’m afraid so.
C.how could I?
D.For sure.